ObjectInputStream.java revision b1396870f92135aa140bd2b86221768dea5bc11d
1adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project/* 2adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Licensed to the Apache Software Foundation (ASF) under one or more 3adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * contributor license agreements. See the NOTICE file distributed with 4adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * this work for additional information regarding copyright ownership. 5adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * The ASF licenses this file to You under the Apache License, Version 2.0 6adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * (the "License"); you may not use this file except in compliance with 7adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the License. You may obtain a copy of the License at 8adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * 9adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 10adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * 11adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Unless required by applicable law or agreed to in writing, software 12adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * distributed under the License is distributed on an "AS IS" BASIS, 13adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * See the License for the specific language governing permissions and 15adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * limitations under the License. 16adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 17adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 18adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectpackage java.io; 19adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 20f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson// BEGIN android-note 21f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson// Harmony uses ObjectAccessors to access fields through JNI. Android has not 22f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson// yet migrated that API. As a consequence, there's a lot of changes here... 23f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson// END android-note 24f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 2503c0a8e681c776fdba0389ab8593282139afc6d6Elliott Hughesimport dalvik.system.VMStack; 26adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectimport java.io.EmulatedFields.ObjectSlot; 27adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectimport java.lang.reflect.Array; 28adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectimport java.lang.reflect.Constructor; 29adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectimport java.lang.reflect.InvocationTargetException; 30adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectimport java.lang.reflect.Method; 31adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectimport java.lang.reflect.Modifier; 32adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectimport java.lang.reflect.Proxy; 33adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectimport java.security.AccessController; 34adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectimport java.security.PrivilegedAction; 35adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectimport java.util.ArrayList; 36f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilsonimport java.util.HashMap; 37adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectimport java.util.Iterator; 38f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilsonimport org.apache.harmony.kernel.vm.VM; 39adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectimport org.apache.harmony.luni.util.PriviAction; 40adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 41adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project/** 42adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * A specialized {@link InputStream} that is able to read (deserialize) Java 43adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * objects as well as primitive data types (int, byte, char etc.). The data has 44adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * typically been saved using an ObjectOutputStream. 45f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 46adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see ObjectOutputStream 47adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see ObjectInput 48adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see Serializable 49adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see Externalizable 50adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 51adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectpublic class ObjectInputStream extends InputStream implements ObjectInput, 52adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectStreamConstants { 53adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 54f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // BEGIN android-note 55f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // this is non-static to avoid sync contention. Would static be faster? 56f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // END android-note 57f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson private InputStream emptyStream = new ByteArrayInputStream( 58adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project new byte[0]); 59adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 60adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // To put into objectsRead when reading unsharedObject 61adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private static final Object UNSHARED_OBJ = new Object(); // $NON-LOCK-1$ 62adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 63adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // If the receiver has already read & not consumed a TC code 64adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private boolean hasPushbackTC; 65adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 66adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Push back TC code if the variable above is true 67adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private byte pushbackTC; 68adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 69adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // How many nested levels to readObject. When we reach 0 we have to validate 70adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // the graph then reset it 71adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private int nestedLevels; 72adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 73adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // All objects are assigned an ID (integer handle) 74adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private int currentHandle; 75adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 76adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Where we read from 77adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private DataInputStream input; 78adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 79adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Where we read primitive types from 80adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private DataInputStream primitiveTypes; 81adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 82adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Where we keep primitive type data 83adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private InputStream primitiveData = emptyStream; 84adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 85adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Resolve object is a mechanism for replacement 86adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private boolean enableResolve; 87adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 88adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Table mapping Integer (handle) -> Object 89f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson private HashMap<Integer, Object> objectsRead; 90adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 91adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Used by defaultReadObject 92adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private Object currentObject; 93adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 94adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Used by defaultReadObject 95adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private ObjectStreamClass currentClass; 96adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 97adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // All validations to be executed when the complete graph is read. See inner 98adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // type below. 99adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private InputValidationDesc[] validations; 100adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 101adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Allows the receiver to decide if it needs to call readObjectOverride 102adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private boolean subclassOverridingImplementation; 103adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 104adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Original caller's class loader, used to perform class lookups 105adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private ClassLoader callerClassLoader; 106adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 107adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // false when reading missing fields 108adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private boolean mustResolve = true; 109adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 110adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Handle for the current class descriptor 111adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private Integer descriptorHandle; 112adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 113f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson private static final HashMap<String, Class<?>> PRIMITIVE_CLASSES = 114f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson new HashMap<String, Class<?>>(); 115adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 116adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project static { 11703c0a8e681c776fdba0389ab8593282139afc6d6Elliott Hughes PRIMITIVE_CLASSES.put("byte", byte.class); 11803c0a8e681c776fdba0389ab8593282139afc6d6Elliott Hughes PRIMITIVE_CLASSES.put("short", short.class); 11903c0a8e681c776fdba0389ab8593282139afc6d6Elliott Hughes PRIMITIVE_CLASSES.put("int", int.class); 12003c0a8e681c776fdba0389ab8593282139afc6d6Elliott Hughes PRIMITIVE_CLASSES.put("long", long.class); 12103c0a8e681c776fdba0389ab8593282139afc6d6Elliott Hughes PRIMITIVE_CLASSES.put("boolean", boolean.class); 12203c0a8e681c776fdba0389ab8593282139afc6d6Elliott Hughes PRIMITIVE_CLASSES.put("char", char.class); 12303c0a8e681c776fdba0389ab8593282139afc6d6Elliott Hughes PRIMITIVE_CLASSES.put("float", float.class); 12403c0a8e681c776fdba0389ab8593282139afc6d6Elliott Hughes PRIMITIVE_CLASSES.put("double", double.class); 125adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 126adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 127f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // BEGIN android-removed 128f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // private ObjectAccessor accessor = AccessorFactory.getObjectAccessor(); 129f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // END android-removed 130f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 131adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Internal type used to keep track of validators & corresponding priority 132adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project static class InputValidationDesc { 133adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectInputValidation validator; 134adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 135adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project int priority; 136adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 137adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 138adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 139adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * GetField is an inner class that provides access to the persistent fields 140adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * read from the source stream. 141adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 142adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public abstract static class GetField { 143adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 144adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Gets the ObjectStreamClass that describes a field. 145f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 146adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the descriptor class for a serialized field. 147adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 148adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public abstract ObjectStreamClass getObjectStreamClass(); 149adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 150adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 151adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Indicates if the field identified by {@code name} is defaulted. This 152adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * means that it has no value in this stream. 153f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 154adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param name 155adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the name of the field to check. 156adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return {@code true} if the field is defaulted, {@code false} 157adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * otherwise. 158adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IllegalArgumentException 159adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if {@code name} does not identify a serializable field. 160adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 161adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source input 162adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * stream. 163adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 164adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public abstract boolean defaulted(String name) throws IOException, 165adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project IllegalArgumentException; 166adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 167adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 168adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Gets the value of the boolean field identified by {@code name} from 169adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the persistent field. 170f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 171adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param name 172adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the name of the field to get. 173adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param defaultValue 174adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the default value that is used if the field does not have 175adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * a value when read from the source stream. 176adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the value of the field identified by {@code name}. 177adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 178adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source input 179adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * stream. 180adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IllegalArgumentException 181adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the type of the field identified by {@code name} is 182adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * not {@code boolean}. 183adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 184adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public abstract boolean get(String name, boolean defaultValue) 185adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws IOException, IllegalArgumentException; 186adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 187adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 188adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Gets the value of the character field identified by {@code name} from 189adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the persistent field. 190f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 191adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param name 192adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the name of the field to get. 193adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param defaultValue 194adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the default value that is used if the field does not have 195adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * a value when read from the source stream. 196adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the value of the field identified by {@code name}. 197adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 198adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source input 199adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * stream. 200adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IllegalArgumentException 201adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the type of the field identified by {@code name} is 202adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * not {@code char}. 203adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 204adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public abstract char get(String name, char defaultValue) 205adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws IOException, IllegalArgumentException; 206adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 207adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 208adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Gets the value of the byte field identified by {@code name} from the 209adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * persistent field. 210f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 211adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param name 212adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the name of the field to get. 213adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param defaultValue 214adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the default value that is used if the field does not have 215adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * a value when read from the source stream. 216adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the value of the field identified by {@code name}. 217adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 218adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source input 219adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * stream. 220adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IllegalArgumentException 221adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the type of the field identified by {@code name} is 222adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * not {@code byte}. 223adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 224adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public abstract byte get(String name, byte defaultValue) 225adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws IOException, IllegalArgumentException; 226adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 227adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 228adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Gets the value of the short field identified by {@code name} from the 229adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * persistent field. 230f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 231adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param name 232adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the name of the field to get. 233adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param defaultValue 234adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the default value that is used if the field does not have 235adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * a value when read from the source stream. 236adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the value of the field identified by {@code name}. 237adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 238adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source input 239adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * stream. 240adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IllegalArgumentException 241adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the type of the field identified by {@code name} is 242adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * not {@code short}. 243adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 244adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public abstract short get(String name, short defaultValue) 245adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws IOException, IllegalArgumentException; 246adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 247adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 248adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Gets the value of the integer field identified by {@code name} from 249adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the persistent field. 250f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 251adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param name 252adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the name of the field to get. 253adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param defaultValue 254adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the default value that is used if the field does not have 255adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * a value when read from the source stream. 256adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the value of the field identified by {@code name}. 257adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 258adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source input 259adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * stream. 260adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IllegalArgumentException 261adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the type of the field identified by {@code name} is 262adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * not {@code int}. 263adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 264adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public abstract int get(String name, int defaultValue) 265adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws IOException, IllegalArgumentException; 266adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 267f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson /** 268adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Gets the value of the long field identified by {@code name} from the 269adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * persistent field. 270f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 271adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param name 272adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the name of the field to get. 273adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param defaultValue 274adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the default value that is used if the field does not have 275adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * a value when read from the source stream. 276adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the value of the field identified by {@code name}. 277adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 278adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source input 279adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * stream. 280adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IllegalArgumentException 281adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the type of the field identified by {@code name} is 282adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * not {@code long}. 283adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 284adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public abstract long get(String name, long defaultValue) 285adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws IOException, IllegalArgumentException; 286adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 287adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 288adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Gets the value of the float field identified by {@code name} from the 289adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * persistent field. 290f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 291adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param name 292adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the name of the field to get. 293adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param defaultValue 294adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the default value that is used if the field does not have 295adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * a value when read from the source stream. 296adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the value of the field identified by {@code name}. 297adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 298adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source input 299adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * stream. 300adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IllegalArgumentException 301adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the type of the field identified by {@code float} is 302adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * not {@code char}. 303adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 304adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public abstract float get(String name, float defaultValue) 305adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws IOException, IllegalArgumentException; 306adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 307adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 308adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Gets the value of the double field identified by {@code name} from 309adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the persistent field. 310f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 311adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param name 312adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the name of the field to get. 313adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param defaultValue 314adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the default value that is used if the field does not have 315adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * a value when read from the source stream. 316adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the value of the field identified by {@code name}. 317adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 318adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source input 319adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * stream. 320adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IllegalArgumentException 321adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the type of the field identified by {@code name} is 322adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * not {@code double}. 323adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 324adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public abstract double get(String name, double defaultValue) 325adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws IOException, IllegalArgumentException; 326adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 327adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 328adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Gets the value of the object field identified by {@code name} from 329adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the persistent field. 330f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 331adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param name 332adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the name of the field to get. 333adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param defaultValue 334adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the default value that is used if the field does not have 335adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * a value when read from the source stream. 336adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the value of the field identified by {@code name}. 337adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 338adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source input 339adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * stream. 340adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IllegalArgumentException 341adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the type of the field identified by {@code name} is 342adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * not {@code Object}. 343adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 344adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public abstract Object get(String name, Object defaultValue) 345adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws IOException, IllegalArgumentException; 346adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 347adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 348adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 349adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Constructs a new ObjectInputStream. This default constructor can be used 350adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * by subclasses that do not want to use the public constructor if it 351adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * allocates unneeded data. 352f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 353adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 354adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs when creating this stream. 355adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws SecurityException 356adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if a security manager is installed and it denies subclassing 357adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * this class. 358adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see SecurityManager#checkPermission(java.security.Permission) 359adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 360adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project protected ObjectInputStream() throws IOException, SecurityException { 361adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project super(); 362adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project SecurityManager currentManager = System.getSecurityManager(); 363adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (currentManager != null) { 364adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project currentManager.checkPermission(SUBCLASS_IMPLEMENTATION_PERMISSION); 365adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 366adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // WARNING - we should throw IOException if not called from a subclass 367adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // according to the JavaDoc. Add the test. 368adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project this.subclassOverridingImplementation = true; 369adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 370adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 371adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 372adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Constructs a new ObjectInputStream that reads from the InputStream 373adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code input}. 374f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 375adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param input 376adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the non-null source InputStream to filter reads on. 377adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 378adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading the stream header. 379adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws StreamCorruptedException 380adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the source stream does not contain serialized objects that 381adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * can be read. 382adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws SecurityException 383adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if a security manager is installed and it denies subclassing 384adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * this class. 385adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 386adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public ObjectInputStream(InputStream input) 387adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws StreamCorruptedException, IOException { 388adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project final Class<?> implementationClass = getClass(); 389adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project final Class<?> thisClass = ObjectInputStream.class; 390adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project SecurityManager sm = System.getSecurityManager(); 391adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (sm != null && implementationClass != thisClass) { 392adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project boolean mustCheck = (AccessController 393adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project .doPrivileged(new PrivilegedAction<Boolean>() { 394adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public Boolean run() { 395adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project try { 396adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Method method = implementationClass 397adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project .getMethod( 39803c0a8e681c776fdba0389ab8593282139afc6d6Elliott Hughes "readFields", 399adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectStreamClass.EMPTY_CONSTRUCTOR_PARAM_TYPES); 400adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (method.getDeclaringClass() != thisClass) { 401adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return Boolean.TRUE; 402adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 403adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } catch (NoSuchMethodException e) { 404adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 405adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project try { 406adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Method method = implementationClass 407adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project .getMethod( 40803c0a8e681c776fdba0389ab8593282139afc6d6Elliott Hughes "readUnshared", 409adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectStreamClass.EMPTY_CONSTRUCTOR_PARAM_TYPES); 410adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (method.getDeclaringClass() != thisClass) { 411adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return Boolean.TRUE; 412adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 413adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } catch (NoSuchMethodException e) { 414adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 415adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return Boolean.FALSE; 416adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 417adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project })).booleanValue(); 418adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (mustCheck) { 419adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project sm 420adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project .checkPermission(ObjectStreamConstants.SUBCLASS_IMPLEMENTATION_PERMISSION); 421adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 422adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 423adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project this.input = (input instanceof DataInputStream) ? (DataInputStream) input 424adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project : new DataInputStream(input); 425adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project primitiveTypes = new DataInputStream(this); 426adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project enableResolve = false; 427adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project this.subclassOverridingImplementation = false; 428adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project resetState(); 429adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project nestedLevels = 0; 430adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // So read...() methods can be used by 431adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // subclasses during readStreamHeader() 432adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project primitiveData = this.input; 433adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Has to be done here according to the specification 434adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project readStreamHeader(); 435adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project primitiveData = emptyStream; 436adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 437adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 438adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project @Override 439adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public int available() throws IOException { 440adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // returns 0 if next data is an object, or N if reading primitive types 441adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project checkReadPrimitiveTypes(); 442adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return primitiveData.available(); 443adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 444adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 445adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 446adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Checks to if it is ok to read primitive types from this stream at 447adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * this point. One is not supposed to read primitive types when about to 448adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * read an object, for example, so an exception has to be thrown. 449f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 450adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 451adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If any IO problem occurred when trying to read primitive type 452adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * or if it is illegal to read primitive types 453adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 454adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private void checkReadPrimitiveTypes() throws IOException { 455adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // If we still have primitive data, it is ok to read primitive data 456adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (primitiveData == input || primitiveData.available() > 0) { 457adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return; 458adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 459adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 460adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // If we got here either we had no Stream previously created or 461adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // we no longer have data in that one, so get more bytes 462adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project do { 463adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project int next = 0; 464adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (hasPushbackTC) { 465adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project hasPushbackTC = false; 466adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 467adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project next = input.read(); 468adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project pushbackTC = (byte) next; 469adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 470adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project switch (pushbackTC) { 471adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_BLOCKDATA: 472adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project primitiveData = new ByteArrayInputStream(readBlockData()); 473adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return; 474adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_BLOCKDATALONG: 475adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project primitiveData = new ByteArrayInputStream( 476adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project readBlockDataLong()); 477adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return; 478adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_RESET: 479adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project resetState(); 480adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project break; 481adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project default: 482adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (next != -1) { 483adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project pushbackTC(); 484adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 485adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return; 486adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 487adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Only TC_RESET falls through 488adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } while (true); 489adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 490adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 491adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 492adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Closes this stream. This implementation closes the source stream. 493f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 494adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 495adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while closing this stream. 496adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 497adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project @Override 498adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public void close() throws IOException { 499adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project input.close(); 500adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 501adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 502adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 503adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Default method to read objects from this stream. Serializable fields 504adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * defined in the object's class and superclasses are read from the source 505adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * stream. 506f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 507adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 508adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the object's class cannot be found. 509adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 510adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an I/O error occurs while reading the object data. 511adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws NotActiveException 512adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if this method is not called from {@code readObject()}. 513adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see ObjectOutputStream#defaultWriteObject 514adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 515adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public void defaultReadObject() throws IOException, ClassNotFoundException, 516adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project NotActiveException { 517adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // We can't be called from just anywhere. There are rules. 518adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (currentObject != null || !mustResolve) { 519adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project readFieldValues(currentObject, currentClass); 520adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 521adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw new NotActiveException(); 522adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 523adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 524adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 525adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 526adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Enables object replacement for this stream. By default this is not 527adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * enabled. Only trusted subclasses (loaded with system class loader) are 528adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * allowed to change this status. 529f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 530adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param enable 531adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code true} to enable object replacement; {@code false} to 532adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * disable it. 533adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the previous setting. 534adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws SecurityException 535adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if a security manager is installed and it denies enabling 536adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * object replacement for this stream. 537adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see #resolveObject 538adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see ObjectOutputStream#enableReplaceObject 539adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 540adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project protected boolean enableResolveObject(boolean enable) 541adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws SecurityException { 542adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (enable) { 543adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // The Stream has to be trusted for this feature to be enabled. 544adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // trusted means the stream's classloader has to be null 545adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project SecurityManager currentManager = System.getSecurityManager(); 546adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (currentManager != null) { 547adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project currentManager.checkPermission(SUBSTITUTION_PERMISSION); 548adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 549adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 550adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project boolean originalValue = enableResolve; 551adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project enableResolve = enable; 552adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return originalValue; 553adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 554adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 555adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 556adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Checks if two classes belong to the same package. 557f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 558adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param c1 559adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * one of the classes to test. 560adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param c2 561adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the other class to test. 562adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return {@code true} if the two classes belong to the same package, 563adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code false} otherwise. 564adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 565adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private boolean inSamePackage(Class<?> c1, Class<?> c2) { 566adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project String nameC1 = c1.getName(); 567adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project String nameC2 = c2.getName(); 568adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project int indexDotC1 = nameC1.lastIndexOf('.'); 569adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project int indexDotC2 = nameC2.lastIndexOf('.'); 570adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (indexDotC1 != indexDotC2) { 571adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return false; // cannot be in the same package if indices are not 572adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 573adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // the same 574adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (indexDotC1 < 0) { 575adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return true; // both of them are in default package 576adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 577adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return nameC1.substring(0, indexDotC1).equals( 578adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project nameC2.substring(0, indexDotC2)); 579adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 580adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 581f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // BEGIN android-added 582adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 583adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Create and return a new instance of class {@code instantiationClass} 584adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * but running the constructor defined in class 585adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code constructorClass} (same as {@code instantiationClass} 586adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * or a superclass). 587f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 588adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Has to be native to avoid visibility rules and to be able to have 589adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code instantiationClass} not the same as 590adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code constructorClass} (no such API in java.lang.reflect). 591f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 592adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param instantiationClass 593adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * The new object will be an instance of this class 594adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param constructorClass 595adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * The empty constructor to run will be in this class 596adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the object created from {@code instantiationClass} 597adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 598adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private static native Object newInstance(Class<?> instantiationClass, 599adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?> constructorClass); 600f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // END android-added 601adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 602adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 603adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Return the next {@code int} handle to be used to indicate cyclic 604adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * references being loaded from the stream. 605f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 606adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the next handle to represent the next cyclic reference 607adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 608f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson private Integer nextHandle() { 609f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson return Integer.valueOf(this.currentHandle++); 610adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 611adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 612adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 613adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Return the next token code (TC) from the receiver, which indicates what 614adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * kind of object follows 615f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 616adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the next TC from the receiver 617f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 618adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 619adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO error occurs 620f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 621adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see ObjectStreamConstants 622adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 623adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private byte nextTC() throws IOException { 624adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (hasPushbackTC) { 625adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project hasPushbackTC = false; // We are consuming it 626adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 627adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Just in case a later call decides to really push it back, 628adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // we don't require the caller to pass it as parameter 629adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project pushbackTC = input.readByte(); 630adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 631adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return pushbackTC; 632adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 633adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 634adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 635adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Pushes back the last TC code read 636adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 637adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private void pushbackTC() { 638adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project hasPushbackTC = true; 639adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 640adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 641adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 642adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads a single byte from the source stream and returns it as an integer 643adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * in the range from 0 to 255. Returns -1 if the end of the source stream 644adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * has been reached. Blocks if no input is available. 645f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 646adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the byte read or -1 if the end of the source stream has been 647adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * reached. 648adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 649adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from this stream. 650adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 651adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project @Override 652adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public int read() throws IOException { 653adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project checkReadPrimitiveTypes(); 654adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return primitiveData.read(); 655adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 656adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 657adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 658adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads at most {@code length} bytes from the source stream and stores them 659adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * in byte array {@code buffer} starting at offset {@code count}. Blocks 660adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * until {@code count} bytes have been read, the end of the source stream is 661adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * detected or an exception is thrown. 662f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 663adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param buffer 664adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the array in which to store the bytes read. 665adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param offset 666adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the initial position in {@code buffer} to store the bytes 667adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * read from the source stream. 668adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param length 669adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the maximum number of bytes to store in {@code buffer}. 670adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the number of bytes read or -1 if the end of the source input 671adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * stream has been reached. 672adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IndexOutOfBoundsException 673adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if {@code offset < 0} or {@code length < 0}, or if 674adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code offset + length} is greater than the length of 675adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code buffer}. 676adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 677adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from this stream. 678adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws NullPointerException 679adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if {@code buffer} is {@code null}. 680adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 681adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project @Override 682adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public int read(byte[] buffer, int offset, int length) throws IOException { 6835839b909d9528b7726e678a4b696ed37df15d897Jesse Wilson // Force buffer null check first! 6845839b909d9528b7726e678a4b696ed37df15d897Jesse Wilson if (offset > buffer.length || offset < 0) { 685b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw new ArrayIndexOutOfBoundsException("Offset out of bounds: " + offset); 686adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 6875839b909d9528b7726e678a4b696ed37df15d897Jesse Wilson if (length < 0 || length > buffer.length - offset) { 688b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw new ArrayIndexOutOfBoundsException("Length out of bounds: " + length); 689adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 690adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (length == 0) { 691adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return 0; 692adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 693adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project checkReadPrimitiveTypes(); 694adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return primitiveData.read(buffer, offset, length); 695adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 696adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 697adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 698adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads and returns an array of raw bytes with primitive data. The array 699adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * will have up to 255 bytes. The primitive data will be in the format 700adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * described by {@code DataOutputStream}. 701f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 702adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return The primitive data read, as raw bytes 703f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 704adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 705adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO exception happened when reading the primitive data. 706adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 707adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private byte[] readBlockData() throws IOException { 708adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project byte[] result = new byte[input.readByte() & 0xff]; 709adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project input.readFully(result); 710adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return result; 711adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 712adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 713adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 714adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads and returns an array of raw bytes with primitive data. The array 715adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * will have more than 255 bytes. The primitive data will be in the format 716adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * described by {@code DataOutputStream}. 717f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 718adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return The primitive data read, as raw bytes 719f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 720adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 721adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO exception happened when reading the primitive data. 722adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 723adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private byte[] readBlockDataLong() throws IOException { 724adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project byte[] result = new byte[input.readInt()]; 725adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project input.readFully(result); 726adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return result; 727adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 728adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 729adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 730adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads a boolean from the source stream. 731f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 732adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the boolean value read from the source stream. 733adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws EOFException 734adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the end of the input is reached before the read 735adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * request can be satisfied. 736adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 737adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 738adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 739adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public boolean readBoolean() throws IOException { 740adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return primitiveTypes.readBoolean(); 741adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 742adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 743adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 744adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads a byte (8 bit) from the source stream. 745f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 746adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the byte value read from the source stream. 747adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws EOFException 748adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the end of the input is reached before the read 749adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * request can be satisfied. 750adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 751adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 752adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 753adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public byte readByte() throws IOException { 754adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return primitiveTypes.readByte(); 755adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 756adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 757adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 758adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads a character (16 bit) from the source stream. 759f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 760adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the char value read from the source stream. 761adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws EOFException 762adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the end of the input is reached before the read 763adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * request can be satisfied. 764adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 765adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 766adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 767adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public char readChar() throws IOException { 768adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return primitiveTypes.readChar(); 769adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 770adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 771adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 772adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads and discards block data and objects until TC_ENDBLOCKDATA is found. 773f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 774adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 775adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO exception happened when reading the optional class 776adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * annotation. 777adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 778adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If the class corresponding to the class descriptor could not 779adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * be found. 780adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 781adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private void discardData() throws ClassNotFoundException, IOException { 782adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project primitiveData = emptyStream; 783adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project boolean resolve = mustResolve; 784adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project mustResolve = false; 785adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project do { 786adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project byte tc = nextTC(); 787adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (tc == TC_ENDBLOCKDATA) { 788adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project mustResolve = resolve; 789adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return; // End of annotation 790adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 791adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project readContent(tc); 792adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } while (true); 793adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 794adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 795adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 796adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads a class descriptor (an {@code ObjectStreamClass}) from the 797adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * stream. 798f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 799adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the class descriptor read from the stream 800f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 801adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 802adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO exception happened when reading the class 803adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * descriptor. 804adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 805adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If the class corresponding to the class descriptor could not 806adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * be found. 807adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 808b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes private ObjectStreamClass readClassDesc() throws ClassNotFoundException, IOException { 809adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project byte tc = nextTC(); 810adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project switch (tc) { 811adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_CLASSDESC: 812adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readNewClassDesc(false); 813adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_PROXYCLASSDESC: 814adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?> proxyClass = readNewProxyClassDesc(); 815adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectStreamClass streamClass = ObjectStreamClass 816adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project .lookup(proxyClass); 817adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project streamClass.setLoadFields(new ObjectStreamField[0]); 818f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson registerObjectRead(streamClass, nextHandle(), false); 819adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project checkedSetSuperClassDesc(streamClass, readClassDesc()); 820adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return streamClass; 821adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_REFERENCE: 822adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return (ObjectStreamClass) readCyclicReference(); 823adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_NULL: 824adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return null; 825adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project default: 826b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw corruptStream(tc); 827adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 828adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 829adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 830b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes private StreamCorruptedException corruptStream(byte tc) throws StreamCorruptedException { 831b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw new StreamCorruptedException("Wrong format: " + Integer.toHexString(tc & 0xff)); 832b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes } 833b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes 834adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 835adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads the content of the receiver based on the previously read token 836adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code tc}. 837f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 838adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param tc 839adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * The token code for the next item in the stream 840adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the object read from the stream 841f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 842adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 843adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO exception happened when reading the class 844adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * descriptor. 845adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 846adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If the class corresponding to the object being read could not 847adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * be found. 848adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 849adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private Object readContent(byte tc) throws ClassNotFoundException, 850adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project IOException { 851adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project switch (tc) { 852adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_BLOCKDATA: 853adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readBlockData(); 854adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_BLOCKDATALONG: 855adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readBlockDataLong(); 856adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_CLASS: 857adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readNewClass(false); 858adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_CLASSDESC: 859adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readNewClassDesc(false); 860adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_ARRAY: 861adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readNewArray(false); 862adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_OBJECT: 863adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readNewObject(false); 864adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_STRING: 865adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readNewString(false); 866adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_LONGSTRING: 867adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readNewLongString(false); 868adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_REFERENCE: 869adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readCyclicReference(); 870adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_NULL: 871adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return null; 872adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_EXCEPTION: 873adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Exception exc = readException(); 874b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw new WriteAbortedException("Read an exception", exc); 875adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_RESET: 876adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project resetState(); 877adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return null; 878adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project default: 879b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw corruptStream(tc); 880adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 881adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 882adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 883adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 884adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads the content of the receiver based on the previously read token 885adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code tc}. Primitive data content is considered an error. 886f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 887adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param unshared 888adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * read the object unshared 889adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the object read from the stream 890f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 891adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 892adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO exception happened when reading the class 893adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * descriptor. 894adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 895adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If the class corresponding to the object being read could not 896adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * be found. 897adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 898adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private Object readNonPrimitiveContent(boolean unshared) 899adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws ClassNotFoundException, IOException { 900adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project checkReadPrimitiveTypes(); 901adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (primitiveData.available() > 0) { 902adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project OptionalDataException e = new OptionalDataException(); 903adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project e.length = primitiveData.available(); 904adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw e; 905adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 906adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 907adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project do { 908adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project byte tc = nextTC(); 909adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project switch (tc) { 910adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_CLASS: 911adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readNewClass(unshared); 912adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_CLASSDESC: 913adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readNewClassDesc(unshared); 914adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_ARRAY: 915adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readNewArray(unshared); 916adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_OBJECT: 917adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readNewObject(unshared); 918adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_STRING: 919adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readNewString(unshared); 920adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_LONGSTRING: 921adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readNewLongString(unshared); 922adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_ENUM: 923adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readEnum(unshared); 924adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_REFERENCE: 925adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (unshared) { 926adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project readNewHandle(); 927b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw new InvalidObjectException("Unshared read of back reference"); 928adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 929adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readCyclicReference(); 930adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_NULL: 931adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return null; 932adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_EXCEPTION: 933adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Exception exc = readException(); 934b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw new WriteAbortedException("Read an exception", exc); 935adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_RESET: 936adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project resetState(); 937adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project break; 938adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_ENDBLOCKDATA: // Can occur reading class annotation 939adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project pushbackTC(); 940adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project OptionalDataException e = new OptionalDataException(); 941adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project e.eof = true; 942adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw e; 943adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project default: 944b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw corruptStream(tc); 945adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 946adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Only TC_RESET falls through 947adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } while (true); 948adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 949adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 950adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 951adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads the next item from the stream assuming it is a cyclic reference to 952adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * an object previously read. Return the actual object previously read. 953f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 954adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the object previously read from the stream 955f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 956adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 957adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO exception happened when reading the class 958adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * descriptor. 959adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws InvalidObjectException 960adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If the cyclic reference is not valid. 961adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 962adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private Object readCyclicReference() throws InvalidObjectException, 963adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project IOException { 964adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return registeredObjectRead(readNewHandle()); 965adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 966adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 967adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 968adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads a double (64 bit) from the source stream. 969f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 970adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the double value read from the source stream. 971adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws EOFException 972adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the end of the input is reached before the read 973adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * request can be satisfied. 974adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 975adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 976adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 977adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public double readDouble() throws IOException { 978adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return primitiveTypes.readDouble(); 979adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 980adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 981adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 982adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Read the next item assuming it is an exception. The exception is not a 983adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * regular instance in the object graph, but the exception instance that 984adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * happened (if any) when dumping the original object graph. The set of seen 985adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * objects will be reset just before and just after loading this exception 986adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * object. 987adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <p> 988adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * When exceptions are found normally in the object graph, they are loaded 989adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * as a regular object, and not by this method. In that case, the set of 990adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * "known objects" is not reset. 991f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 992adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the exception read 993f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 994adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 995adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO exception happened when reading the exception 996adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * object. 997adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 998adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If a class could not be found when reading the object graph 999adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * for the exception 1000adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws OptionalDataException 1001adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If optional data could not be found when reading the 1002adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * exception graph 1003adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws WriteAbortedException 1004adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If another exception was caused when dumping this exception 1005adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1006adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private Exception readException() throws WriteAbortedException, 1007adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project OptionalDataException, ClassNotFoundException, IOException { 1008adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1009adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project resetSeenObjects(); 1010adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1011adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Now we read the Throwable object that was saved 1012adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // WARNING - the grammar says it is a Throwable, but the 1013adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // WriteAbortedException constructor takes an Exception. So, we read an 1014adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Exception from the stream 1015adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Exception exc = (Exception) readObject(); 1016adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1017adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // We reset the receiver's state (the grammar has "reset" in normal 1018adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // font) 1019adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project resetSeenObjects(); 1020adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return exc; 1021adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1022adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1023adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1024adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads a collection of field descriptors (name, type name, etc) for the 1025adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * class descriptor {@code cDesc} (an {@code ObjectStreamClass}) 1026f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1027adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param cDesc 1028adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * The class descriptor (an {@code ObjectStreamClass}) 1029adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * for which to write field information 1030f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1031adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 1032adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO exception happened when reading the field 1033adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * descriptors. 1034adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 1035adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If a class for one of the field types could not be found 1036f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1037adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see #readObject() 1038adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1039adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private void readFieldDescriptors(ObjectStreamClass cDesc) 1040adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws ClassNotFoundException, IOException { 1041adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project short numFields = input.readShort(); 1042adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectStreamField[] fields = new ObjectStreamField[numFields]; 1043adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1044adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // We set it now, but each element will be inserted in the array further 1045adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // down 1046adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project cDesc.setLoadFields(fields); 1047adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1048adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Check ObjectOutputStream.writeFieldDescriptors 1049adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (short i = 0; i < numFields; i++) { 1050adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project char typecode = (char) input.readByte(); 1051adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project String fieldName = input.readUTF(); 1052adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project boolean isPrimType = ObjectStreamClass.isPrimitiveType(typecode); 1053adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project String classSig; 1054adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (isPrimType) { 1055adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project classSig = String.valueOf(typecode); 1056adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 1057adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // The spec says it is a UTF, but experience shows they dump 1058adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // this String using writeObject (unlike the field name, which 1059adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // is saved with writeUTF). 1060adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // And if resolveObject is enabled, the classSig may be modified 1061adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // so that the original class descriptor cannot be read 1062adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // properly, so it is disabled. 1063adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project boolean old = enableResolve; 1064adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project try { 1065adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project enableResolve = false; 1066adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project classSig = (String) readObject(); 1067adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } finally { 1068adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project enableResolve = old; 1069adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1070adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1071f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 1072f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson classSig = formatClassSig(classSig); 1073adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectStreamField f = new ObjectStreamField(classSig, fieldName); 1074adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project fields[i] = f; 1075adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1076adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1077adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1078f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson /* 1079f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * Format the class signature for ObjectStreamField, for example, 1080f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * "[L[Ljava.lang.String;;" is converted to "[Ljava.lang.String;" 1081f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson */ 1082f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson private static String formatClassSig(String classSig) { 1083f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson int start = 0; 1084f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson int end = classSig.length(); 1085f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 1086f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson if (end <= 0) { 1087f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson return classSig; 1088f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson } 1089f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 109003c0a8e681c776fdba0389ab8593282139afc6d6Elliott Hughes while (classSig.startsWith("[L", start) 1091f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson && classSig.charAt(end - 1) == ';') { 1092f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson start += 2; 1093f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson end--; 1094f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson } 1095f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 1096f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson if (start > 0) { 1097f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson start -= 2; 1098f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson end++; 1099f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson return classSig.substring(start, end); 1100f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson } 1101f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson return classSig; 1102f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson } 1103f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 1104adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1105adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads the persistent fields of the object that is currently being read 1106adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * from the source stream. The values read are stored in a GetField object 1107adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * that provides access to the persistent fields. This GetField object is 1108adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * then returned. 1109f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1110adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the GetField object from which persistent fields can be accessed 1111adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * by name. 1112adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 1113adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the class of an object being deserialized can not be 1114adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * found. 1115adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 1116adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from this stream. 1117adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws NotActiveException 1118adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if this stream is currently not reading an object. 1119adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1120adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public GetField readFields() throws IOException, ClassNotFoundException, 1121adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project NotActiveException { 1122adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // We can't be called from just anywhere. There are rules. 1123adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (currentObject == null) { 1124adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw new NotActiveException(); 1125adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1126adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project EmulatedFieldsForLoading result = new EmulatedFieldsForLoading( 1127adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project currentClass); 1128adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project readFieldValues(result); 1129adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return result; 1130adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1131adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1132adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1133adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads a collection of field values for the emulated fields 1134adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code emulatedFields} 1135f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1136adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param emulatedFields 1137adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * an {@code EmulatedFieldsForLoading}, concrete subclass 1138adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * of {@code GetField} 1139f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1140adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 1141adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO exception happened when reading the field values. 1142adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws InvalidClassException 1143adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an incompatible type is being assigned to an emulated 1144adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * field. 1145adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws OptionalDataException 1146adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If optional data could not be found when reading the 1147adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * exception graph 1148f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1149adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see #readFields 1150adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see #readObject() 1151adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1152adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private void readFieldValues(EmulatedFieldsForLoading emulatedFields) 1153adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws OptionalDataException, InvalidClassException, IOException { 1154adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project EmulatedFields.ObjectSlot[] slots = emulatedFields.emulatedFields() 1155adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project .slots(); 1156adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (ObjectSlot element : slots) { 1157adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project element.defaulted = false; 1158adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?> type = element.field.getType(); 1159adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (type == Integer.TYPE) { 1160adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project element.fieldValue = Integer.valueOf(input.readInt()); 1161adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else if (type == Byte.TYPE) { 1162adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project element.fieldValue = Byte.valueOf(input.readByte()); 1163adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else if (type == Character.TYPE) { 1164adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project element.fieldValue = Character.valueOf(input.readChar()); 1165adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else if (type == Short.TYPE) { 1166adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project element.fieldValue = Short.valueOf(input.readShort()); 1167adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else if (type == Boolean.TYPE) { 1168adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project element.fieldValue = Boolean.valueOf(input.readBoolean()); 1169adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else if (type == Long.TYPE) { 1170adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project element.fieldValue = Long.valueOf(input.readLong()); 1171adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else if (type == Float.TYPE) { 1172adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project element.fieldValue = Float.valueOf(input.readFloat()); 1173adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else if (type == Double.TYPE) { 1174adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project element.fieldValue = Double.valueOf(input.readDouble()); 1175adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 1176adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Either array or Object 1177adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project try { 1178adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project element.fieldValue = readObject(); 1179adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } catch (ClassNotFoundException cnf) { 1180adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // WARNING- Not sure this is the right thing to do. Write 1181adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // test case. 1182adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw new InvalidClassException(cnf.toString()); 1183adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1184adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1185adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1186adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1187adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1188adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1189adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads a collection of field values for the class descriptor 1190adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code classDesc} (an {@code ObjectStreamClass}). The 1191adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * values will be used to set instance fields in object {@code obj}. 1192adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * This is the default mechanism, when emulated fields (an 1193adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code GetField}) are not used. Actual values to load are stored 1194adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * directly into the object {@code obj}. 1195f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1196adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param obj 1197adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Instance in which the fields will be set. 1198adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param classDesc 1199adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * A class descriptor (an {@code ObjectStreamClass}) 1200adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * defining which fields should be loaded. 1201f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1202adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 1203adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO exception happened when reading the field values. 1204adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws InvalidClassException 1205adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an incompatible type is being assigned to an emulated 1206adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * field. 1207adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws OptionalDataException 1208adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If optional data could not be found when reading the 1209adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * exception graph 1210adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 1211adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If a class of an object being de-serialized can not be found 1212f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1213adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see #readFields 1214adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see #readObject() 1215adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1216adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private void readFieldValues(Object obj, ObjectStreamClass classDesc) 1217adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws OptionalDataException, ClassNotFoundException, IOException { 1218adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Now we must read all fields and assign them to the receiver 1219adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectStreamField[] fields = classDesc.getLoadFields(); 1220adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project fields = (null == fields ? new ObjectStreamField[] {} : fields); 1221adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?> declaringClass = classDesc.forClass(); 1222adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (declaringClass == null && mustResolve) { 1223adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw new ClassNotFoundException(classDesc.getName()); 1224adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1225adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1226adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (ObjectStreamField fieldDesc : fields) { 1227f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 1228f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // BEGIN android-removed 1229f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // // get associated Field 1230f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // long fieldID = fieldDesc.getFieldID(accessor, declaringClass); 1231f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // END android-removed 1232f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 1233adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Code duplication starts, just because Java is typed 1234adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (fieldDesc.isPrimitive()) { 1235adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project try { 1236f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // BEGIN android-changed 1237adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project switch (fieldDesc.getTypeCode()) { 1238adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case 'B': 1239adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project setField(obj, declaringClass, fieldDesc.getName(), 1240adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project input.readByte()); 1241adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project break; 1242adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case 'C': 1243adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project setField(obj, declaringClass, fieldDesc.getName(), 1244adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project input.readChar()); 1245adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project break; 1246adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case 'D': 1247adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project setField(obj, declaringClass, fieldDesc.getName(), 1248adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project input.readDouble()); 1249adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project break; 1250adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case 'F': 1251adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project setField(obj, declaringClass, fieldDesc.getName(), 1252adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project input.readFloat()); 1253adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project break; 1254adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case 'I': 1255adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project setField(obj, declaringClass, fieldDesc.getName(), 1256adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project input.readInt()); 1257adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project break; 1258adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case 'J': 1259adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project setField(obj, declaringClass, fieldDesc.getName(), 1260adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project input.readLong()); 1261adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project break; 1262adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case 'S': 1263adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project setField(obj, declaringClass, fieldDesc.getName(), 1264adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project input.readShort()); 1265adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project break; 1266adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case 'Z': 1267adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project setField(obj, declaringClass, fieldDesc.getName(), 1268adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project input.readBoolean()); 1269adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project break; 1270adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project default: 1271b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw new StreamCorruptedException("Invalid typecode: " + 1272b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes fieldDesc.getTypeCode()); 1273adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1274f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // END android-changed 1275adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } catch (NoSuchFieldError err) { 1276adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1277adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 1278adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Object type (array included). 1279adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project String fieldName = fieldDesc.getName(); 1280adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project boolean setBack = false; 1281f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // BEGIN android-added 1282adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectStreamField field = classDesc.getField(fieldName); 1283f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // END android-added 1284f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson if (mustResolve && fieldDesc == null) { 1285adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project setBack = true; 1286adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project mustResolve = false; 1287adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1288adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Object toSet; 1289f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson if (fieldDesc != null && fieldDesc.isUnshared()) { 1290adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project toSet = readUnshared(); 1291adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 1292adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project toSet = readObject(); 1293adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1294adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (setBack) { 1295adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project mustResolve = true; 1296adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1297f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson if (fieldDesc != null) { 1298adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (toSet != null) { 12995905afbf06aa390d6e580d75f3e1419f9cf67472Jesse Wilson // BEGIN android-changed 13005905afbf06aa390d6e580d75f3e1419f9cf67472Jesse Wilson // Get the field type from the local field rather than 13015905afbf06aa390d6e580d75f3e1419f9cf67472Jesse Wilson // from the stream's supplied data. That's the field 13025905afbf06aa390d6e580d75f3e1419f9cf67472Jesse Wilson // we'll be setting, so that's the one that needs to be 13035905afbf06aa390d6e580d75f3e1419f9cf67472Jesse Wilson // validated. 13045905afbf06aa390d6e580d75f3e1419f9cf67472Jesse Wilson Class<?> fieldType = field.getTypeInternal(); 13055905afbf06aa390d6e580d75f3e1419f9cf67472Jesse Wilson // END android-added 1306adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?> valueType = toSet.getClass(); 1307adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (!fieldType.isAssignableFrom(valueType)) { 1308b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw new ClassCastException(classDesc.getName() + "." + fieldName + 1309b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes " - " + fieldType + " not compatible with " + valueType); 1310adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1311adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project try { 1312f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // BEGIN android-changed 1313adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project objSetField(obj, declaringClass, fieldName, field 1314adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project .getTypeString(), toSet); 1315f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // END android-changed 1316adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } catch (NoSuchFieldError e) { 1317adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Ignored 1318adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1319adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1320adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1321adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1322adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1323adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1324adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1325adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1326adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads a float (32 bit) from the source stream. 1327f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1328adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the float value read from the source stream. 1329adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws EOFException 1330adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the end of the input is reached before the read 1331adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * request can be satisfied. 1332adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 1333adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 1334adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1335adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public float readFloat() throws IOException { 1336adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return primitiveTypes.readFloat(); 1337adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1338adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1339adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1340adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads bytes from the source stream into the byte array {@code buffer}. 1341adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * This method will block until {@code buffer.length} bytes have been read. 1342f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1343adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param buffer 1344adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the array in which to store the bytes read. 1345adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws EOFException 1346adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the end of the input is reached before the read 1347adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * request can be satisfied. 1348adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 1349adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 1350adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1351adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public void readFully(byte[] buffer) throws IOException { 1352adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project primitiveTypes.readFully(buffer); 1353adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1354adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1355adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1356adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads bytes from the source stream into the byte array {@code buffer}. 1357adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * This method will block until {@code length} number of bytes have been 1358adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * read. 1359f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1360adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param buffer 1361adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the byte array in which to store the bytes read. 1362adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param offset 1363adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the initial position in {@code buffer} to store the bytes 1364adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * read from the source stream. 1365adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param length 1366adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the maximum number of bytes to store in {@code buffer}. 1367adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws EOFException 1368adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the end of the input is reached before the read 1369adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * request can be satisfied. 1370adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 1371adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 1372adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1373adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public void readFully(byte[] buffer, int offset, int length) 1374adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws IOException { 1375adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project primitiveTypes.readFully(buffer, offset, length); 1376adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1377adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1378adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1379adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Walks the hierarchy of classes described by class descriptor 1380adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code classDesc} and reads the field values corresponding to 1381adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * fields declared by the corresponding class descriptor. The instance to 1382adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * store field values into is {@code object}. If the class 1383adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * (corresponding to class descriptor {@code classDesc}) defines 1384adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * private instance method {@code readObject} it will be used to load 1385adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * field values. 1386f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1387adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param object 1388adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Instance into which stored field values loaded. 1389adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param classDesc 1390adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * A class descriptor (an {@code ObjectStreamClass}) 1391adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * defining which fields should be loaded. 1392f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1393adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 1394adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO exception happened when reading the field values in 1395adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the hierarchy. 1396adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 1397adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If a class for one of the field types could not be found 1398adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws NotActiveException 1399adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If {@code defaultReadObject} is called from the wrong 1400adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * context. 1401f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1402adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see #defaultReadObject 1403adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see #readObject() 1404adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1405adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private void readHierarchy(Object object, ObjectStreamClass classDesc) 1406adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws IOException, ClassNotFoundException, NotActiveException { 1407adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // We can't be called from just anywhere. There are rules. 1408adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (object == null && mustResolve) { 1409adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw new NotActiveException(); 1410adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1411adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1412adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ArrayList<ObjectStreamClass> streamClassList = new ArrayList<ObjectStreamClass>( 1413adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 32); 1414adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectStreamClass nextStreamClass = classDesc; 1415adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project while (nextStreamClass != null) { 1416adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project streamClassList.add(0, nextStreamClass); 1417adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project nextStreamClass = nextStreamClass.getSuperclass(); 1418adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1419adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (object == null) { 1420adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Iterator<ObjectStreamClass> streamIt = streamClassList.iterator(); 1421adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project while (streamIt.hasNext()) { 1422adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectStreamClass streamClass = streamIt.next(); 1423adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project readObjectForClass(null, streamClass); 1424adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1425adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 1426adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ArrayList<Class<?>> classList = new ArrayList<Class<?>>(32); 1427adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?> nextClass = object.getClass(); 1428adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project while (nextClass != null) { 1429adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?> testClass = nextClass.getSuperclass(); 1430adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (testClass != null) { 1431adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project classList.add(0, nextClass); 1432adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1433adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project nextClass = testClass; 1434adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1435adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project int lastIndex = 0; 1436adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (int i = 0; i < classList.size(); i++) { 1437adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?> superclass = classList.get(i); 1438adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project int index = findStreamSuperclass(superclass, streamClassList, 1439adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project lastIndex); 1440adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (index == -1) { 1441f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson readObjectNoData(object, superclass, ObjectStreamClass.lookupStreamClass(superclass)); 1442adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 1443adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (int j = lastIndex; j <= index; j++) { 1444adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project readObjectForClass(object, streamClassList.get(j)); 1445adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1446adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project lastIndex = index + 1; 1447adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1448adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1449adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1450adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1451adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1452adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private int findStreamSuperclass(Class<?> cl, 1453adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ArrayList<ObjectStreamClass> classList, int lastIndex) { 1454adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectStreamClass objCl; 1455adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project String forName; 1456adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1457adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (int i = lastIndex; i < classList.size(); i++) { 1458adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project objCl = classList.get(i); 1459adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project forName = objCl.forClass().getName(); 1460adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1461adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (objCl.getName().equals(forName)) { 1462adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (cl.getName().equals(objCl.getName())) { 1463adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return i; 1464adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1465adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 1466adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // there was a class replacement 1467adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (cl.getName().equals(forName)) { 1468adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return i; 1469adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1470adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1471adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1472adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return -1; 1473adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1474adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1475f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson private void readObjectNoData(Object object, Class<?> cl, ObjectStreamClass classDesc) 1476adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws ObjectStreamException { 1477f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson if (!classDesc.isSerializable()) { 1478adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return; 1479adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1480f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson if (classDesc.hasMethodReadObjectNoData()){ 1481f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson final Method readMethod = classDesc.getMethodReadObjectNoData(); 1482adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project try { 1483adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project readMethod.invoke(object, new Object[0]); 1484adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } catch (InvocationTargetException e) { 1485adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Throwable ex = e.getTargetException(); 1486adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (ex instanceof RuntimeException) { 1487adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw (RuntimeException) ex; 1488adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else if (ex instanceof Error) { 1489adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw (Error) ex; 1490adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1491adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw (ObjectStreamException) ex; 1492adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } catch (IllegalAccessException e) { 1493adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw new RuntimeException(e.toString()); 1494adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1495adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1496f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 1497adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1498adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1499adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private void readObjectForClass(Object object, ObjectStreamClass classDesc) 1500adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws IOException, ClassNotFoundException, NotActiveException { 1501adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Have to do this before calling defaultReadObject or anything that 1502adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // calls defaultReadObject 1503adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project currentObject = object; 1504adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project currentClass = classDesc; 1505adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1506adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project boolean hadWriteMethod = (classDesc.getFlags() & SC_WRITE_METHOD) > 0; 1507adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?> targetClass = classDesc.forClass(); 1508f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 1509adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project final Method readMethod; 1510adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (targetClass == null || !mustResolve) { 1511adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project readMethod = null; 1512adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 1513f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson readMethod = classDesc.getMethodReadObject(); 1514adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1515adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project try { 1516adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (readMethod != null) { 1517adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // We have to be able to fetch its value, even if it is private 1518adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project AccessController.doPrivileged(new PriviAction<Object>( 1519adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project readMethod)); 1520adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project try { 1521adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project readMethod.invoke(object, new Object[] { this }); 1522adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } catch (InvocationTargetException e) { 1523adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Throwable ex = e.getTargetException(); 1524adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (ex instanceof ClassNotFoundException) { 1525adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw (ClassNotFoundException) ex; 1526adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else if (ex instanceof RuntimeException) { 1527adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw (RuntimeException) ex; 1528adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else if (ex instanceof Error) { 1529adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw (Error) ex; 1530adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1531adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw (IOException) ex; 1532adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } catch (IllegalAccessException e) { 1533adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw new RuntimeException(e.toString()); 1534adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1535adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 1536adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project defaultReadObject(); 1537adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1538adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (hadWriteMethod) { 1539adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project discardData(); 1540adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1541adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } finally { 1542adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Cleanup, needs to run always so that we can later detect invalid 1543adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // calls to defaultReadObject 1544adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project currentObject = null; // We did not set this, so we do not need to 1545adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // clean it 1546adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project currentClass = null; 1547adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1548adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1549adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1550adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1551adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads an integer (32 bit) from the source stream. 1552f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1553adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the integer value read from the source stream. 1554adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws EOFException 1555adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the end of the input is reached before the read 1556adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * request can be satisfied. 1557adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 1558adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 1559adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1560adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public int readInt() throws IOException { 1561adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return primitiveTypes.readInt(); 1562adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1563adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1564adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1565f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * Reads the next line from the source stream. Lines are terminated by 1566adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code '\r'}, {@code '\n'}, {@code "\r\n"} or an {@code EOF}. 1567f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1568adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the string read from the source stream. 1569adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 1570adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 1571adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @deprecated Use {@link BufferedReader} 1572adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1573adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project @Deprecated 1574adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public String readLine() throws IOException { 1575adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return primitiveTypes.readLine(); 1576adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1577adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1578adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1579adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads a long (64 bit) from the source stream. 1580f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1581adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the long value read from the source stream. 1582adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws EOFException 1583adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the end of the input is reached before the read 1584adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * request can be satisfied. 1585adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 1586adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 1587adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1588adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public long readLong() throws IOException { 1589adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return primitiveTypes.readLong(); 1590adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1591adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1592adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1593adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Read a new array from the receiver. It is assumed the array has not been 1594adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * read yet (not a cyclic reference). Return the array read. 1595f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1596adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param unshared 1597adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * read the object unshared 1598adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the array read 1599f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1600adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 1601adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO exception happened when reading the array. 1602adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 1603adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If a class for one of the objects could not be found 1604adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws OptionalDataException 1605adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If optional data could not be found when reading the array. 1606adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1607adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private Object readNewArray(boolean unshared) throws OptionalDataException, 1608adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ClassNotFoundException, IOException { 1609adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectStreamClass classDesc = readClassDesc(); 1610adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1611adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (classDesc == null) { 1612b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes missingClassDescriptor(); 1613adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1614adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1615f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson Integer newHandle = nextHandle(); 1616adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1617adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Array size 1618adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project int size = input.readInt(); 1619adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?> arrayClass = classDesc.forClass(); 1620adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?> componentType = arrayClass.getComponentType(); 1621adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Object result = Array.newInstance(componentType, size); 1622adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1623adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project registerObjectRead(result, newHandle, unshared); 1624adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1625adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Now we have code duplication just because Java is typed. We have to 1626adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // read N elements and assign to array positions, but we must typecast 1627adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // the array first, and also call different methods depending on the 1628adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // elements. 1629adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (componentType.isPrimitive()) { 1630adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (componentType == Integer.TYPE) { 1631adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project int[] intArray = (int[]) result; 1632adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (int i = 0; i < size; i++) { 1633adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project intArray[i] = input.readInt(); 1634adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1635adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else if (componentType == Byte.TYPE) { 1636adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project byte[] byteArray = (byte[]) result; 1637adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project input.readFully(byteArray, 0, size); 1638adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else if (componentType == Character.TYPE) { 1639adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project char[] charArray = (char[]) result; 1640adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (int i = 0; i < size; i++) { 1641adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project charArray[i] = input.readChar(); 1642adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1643adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else if (componentType == Short.TYPE) { 1644adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project short[] shortArray = (short[]) result; 1645adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (int i = 0; i < size; i++) { 1646adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project shortArray[i] = input.readShort(); 1647adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1648adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else if (componentType == Boolean.TYPE) { 1649adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project boolean[] booleanArray = (boolean[]) result; 1650adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (int i = 0; i < size; i++) { 1651adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project booleanArray[i] = input.readBoolean(); 1652adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1653adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else if (componentType == Long.TYPE) { 1654adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project long[] longArray = (long[]) result; 1655adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (int i = 0; i < size; i++) { 1656adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project longArray[i] = input.readLong(); 1657adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1658adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else if (componentType == Float.TYPE) { 1659adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project float[] floatArray = (float[]) result; 1660adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (int i = 0; i < size; i++) { 1661adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project floatArray[i] = input.readFloat(); 1662adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1663adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else if (componentType == Double.TYPE) { 1664adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project double[] doubleArray = (double[]) result; 1665adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (int i = 0; i < size; i++) { 1666adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project doubleArray[i] = input.readDouble(); 1667adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1668adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 1669b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw new ClassNotFoundException("Wrong base type in " + classDesc.getName()); 1670adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1671adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 1672adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Array of Objects 1673adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Object[] objectArray = (Object[]) result; 1674adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (int i = 0; i < size; i++) { 1675f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // TODO: This place is the opportunity for enhancement 1676f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // We can implement writing elements through fast-path, 1677f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // without setting up the context (see readObject()) for 1678f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // each element with public API 1679adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project objectArray[i] = readObject(); 1680adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1681adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1682adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (enableResolve) { 1683adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project result = resolveObject(result); 1684adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project registerObjectRead(result, newHandle, false); 1685adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1686adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return result; 1687adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1688adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1689adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1690adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads a new class from the receiver. It is assumed the class has not been 1691adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * read yet (not a cyclic reference). Return the class read. 1692f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1693adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param unshared 1694adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * read the object unshared 1695adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return The {@code java.lang.Class} read from the stream. 1696f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1697adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 1698adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO exception happened when reading the class. 1699adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 1700adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If a class for one of the objects could not be found 1701adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1702b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes private Class<?> readNewClass(boolean unshared) throws ClassNotFoundException, IOException { 1703adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectStreamClass classDesc = readClassDesc(); 1704b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes if (classDesc == null) { 1705b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes missingClassDescriptor(); 1706b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes } 1707b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes Class<?> localClass = classDesc.forClass(); 1708b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes if (localClass != null) { 1709b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes registerObjectRead(localClass, nextHandle(), unshared); 1710adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1711b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes return localClass; 1712adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1713adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1714adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /* 1715adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * read class type for Enum, note there's difference between enum and normal 1716adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * classes 1717adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1718adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private ObjectStreamClass readEnumDesc() throws IOException, 1719adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ClassNotFoundException { 1720adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project byte tc = nextTC(); 1721adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project switch (tc) { 1722adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_CLASSDESC: 1723adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readEnumDescInternal(); 1724adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_REFERENCE: 1725adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return (ObjectStreamClass) readCyclicReference(); 1726adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_NULL: 1727adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return null; 1728adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project default: 1729b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw corruptStream(tc); 1730adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1731adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1732adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1733adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private ObjectStreamClass readEnumDescInternal() throws IOException, 1734adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ClassNotFoundException { 1735adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectStreamClass classDesc; 1736adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project primitiveData = input; 1737adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Integer oldHandle = descriptorHandle; 1738f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson descriptorHandle = nextHandle(); 1739adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project classDesc = readClassDescriptor(); 1740f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson registerObjectRead(classDesc, descriptorHandle, false); 1741adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project descriptorHandle = oldHandle; 1742adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project primitiveData = emptyStream; 1743adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project classDesc.setClass(resolveClass(classDesc)); 1744adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Consume unread class annotation data and TC_ENDBLOCKDATA 1745adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project discardData(); 1746adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectStreamClass superClass = readClassDesc(); 1747adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project checkedSetSuperClassDesc(classDesc, superClass); 1748adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Check SUIDs, note all SUID for Enum is 0L 1749b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes if (0L != classDesc.getSerialVersionUID() || 0L != superClass.getSerialVersionUID()) { 1750b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw new InvalidClassException(superClass.getName(), 1751b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes "Incompatible class (SUID): " + superClass + " but expected " + superClass); 1752adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1753adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project byte tc = nextTC(); 1754adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // discard TC_ENDBLOCKDATA after classDesc if any 1755adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (tc == TC_ENDBLOCKDATA) { 1756adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // read next parent class. For enum, it may be null 1757adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project superClass.setSuperclass(readClassDesc()); 1758adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 1759adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // not TC_ENDBLOCKDATA, push back for next read 1760adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project pushbackTC(); 1761adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1762adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return classDesc; 1763adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1764adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1765adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project @SuppressWarnings("unchecked")// For the Enum.valueOf call 1766adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private Object readEnum(boolean unshared) throws OptionalDataException, 1767adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ClassNotFoundException, IOException { 1768adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // read classdesc for Enum first 1769adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectStreamClass classDesc = readEnumDesc(); 1770f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson Integer newHandle = nextHandle(); 1771adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // read name after class desc 1772adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project String name; 1773adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project byte tc = nextTC(); 1774adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project switch (tc) { 1775adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_REFERENCE: 1776adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (unshared) { 1777adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project readNewHandle(); 1778b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw new InvalidObjectException("Unshared read of back reference"); 1779adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1780adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project name = (String) readCyclicReference(); 1781adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project break; 1782adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_STRING: 1783adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project name = (String) readNewString(unshared); 1784adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project break; 1785adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project default: 1786b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw corruptStream(tc); 1787adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1788adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1789adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Enum<?> result = Enum.valueOf((Class) classDesc.forClass(), name); 1790adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project registerObjectRead(result, newHandle, unshared); 1791adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1792adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return result; 1793adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1794adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1795adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1796adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads a new class descriptor from the receiver. It is assumed the class 1797adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * descriptor has not been read yet (not a cyclic reference). Return the 1798adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * class descriptor read. 1799f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1800adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param unshared 1801adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * read the object unshared 1802adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return The {@code ObjectStreamClass} read from the stream. 1803f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1804adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 1805adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO exception happened when reading the class 1806adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * descriptor. 1807adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 1808adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If a class for one of the objects could not be found 1809adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1810adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private ObjectStreamClass readNewClassDesc(boolean unshared) 1811adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws ClassNotFoundException, IOException { 1812adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // So read...() methods can be used by 1813adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // subclasses during readClassDescriptor() 1814adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project primitiveData = input; 1815adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Integer oldHandle = descriptorHandle; 1816f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson descriptorHandle = nextHandle(); 1817adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectStreamClass newClassDesc = readClassDescriptor(); 1818f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson registerObjectRead(newClassDesc, descriptorHandle, unshared); 1819adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project descriptorHandle = oldHandle; 1820adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project primitiveData = emptyStream; 1821adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1822adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // We need to map classDesc to class. 1823adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project try { 1824adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project newClassDesc.setClass(resolveClass(newClassDesc)); 1825f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // Check SUIDs & base name of the class 1826f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson verifyAndInit(newClassDesc); 1827adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } catch (ClassNotFoundException e) { 1828adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (mustResolve) { 1829adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw e; 1830adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Just continue, the class may not be required 1831adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1832adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1833adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1834adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Resolve the field signatures using the class loader of the 1835adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // resolved class 1836adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectStreamField[] fields = newClassDesc.getLoadFields(); 1837adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project fields = (null == fields ? new ObjectStreamField[] {} : fields); 1838adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ClassLoader loader = newClassDesc.forClass() == null ? callerClassLoader 1839adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project : newClassDesc.forClass().getClassLoader(); 1840adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (ObjectStreamField element : fields) { 1841adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project element.resolve(loader); 1842adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1843adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1844adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Consume unread class annotation data and TC_ENDBLOCKDATA 1845adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project discardData(); 1846adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project checkedSetSuperClassDesc(newClassDesc, readClassDesc()); 1847adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return newClassDesc; 1848adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1849adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1850adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1851adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads a new proxy class descriptor from the receiver. It is assumed the 1852adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * proxy class descriptor has not been read yet (not a cyclic reference). 1853adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Return the proxy class descriptor read. 1854f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1855adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return The {@code Class} read from the stream. 1856f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1857adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 1858adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO exception happened when reading the class 1859adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * descriptor. 1860adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 1861adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If a class for one of the objects could not be found 1862adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1863adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private Class<?> readNewProxyClassDesc() throws ClassNotFoundException, 1864adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project IOException { 1865adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project int count = input.readInt(); 1866adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project String[] interfaceNames = new String[count]; 1867adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (int i = 0; i < count; i++) { 1868adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project interfaceNames[i] = input.readUTF(); 1869adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1870adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?> proxy = resolveProxyClass(interfaceNames); 1871adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Consume unread class annotation data and TC_ENDBLOCKDATA 1872adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project discardData(); 1873adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return proxy; 1874adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1875adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1876adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1877adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads a class descriptor from the source stream. 1878f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1879adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the class descriptor read from the source stream. 1880adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 1881adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if a class for one of the objects cannot be found. 1882adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 1883adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 1884adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 188503c0a8e681c776fdba0389ab8593282139afc6d6Elliott Hughes protected ObjectStreamClass readClassDescriptor() throws IOException, ClassNotFoundException { 1886adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectStreamClass newClassDesc = new ObjectStreamClass(); 1887adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project String name = input.readUTF(); 1888f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson if (name.length() == 0) { 188903c0a8e681c776fdba0389ab8593282139afc6d6Elliott Hughes throw new IOException("The stream is corrupted"); 1890adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1891adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project newClassDesc.setName(name); 1892adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project newClassDesc.setSerialVersionUID(input.readLong()); 1893adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project newClassDesc.setFlags(input.readByte()); 1894adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1895f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson /* 1896f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * We must register the class descriptor before reading field 1897f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * descriptors. If called outside of readObject, the descriptorHandle 1898f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * might be null. 1899f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson */ 1900f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson descriptorHandle = (null == descriptorHandle ? nextHandle() : descriptorHandle); 1901adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project registerObjectRead(newClassDesc, descriptorHandle, false); 1902adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1903adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project readFieldDescriptors(newClassDesc); 1904adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return newClassDesc; 1905adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1906adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1907adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1908adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Creates the proxy class that implements the interfaces specified in 1909adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code interfaceNames}. 1910f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1911adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param interfaceNames 1912adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the interfaces used to create the proxy class. 1913adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the proxy class. 1914adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 1915adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the proxy class or any of the specified interfaces cannot 1916adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * be created. 1917adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 1918adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 1919adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see ObjectOutputStream#annotateProxyClass(Class) 1920adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1921adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project protected Class<?> resolveProxyClass(String[] interfaceNames) 1922adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws IOException, ClassNotFoundException { 1923f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // TODO: This method is opportunity for performance enhancement 1924f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // We can cache the classloader and recently used interfaces. 1925f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // BEGIN android-changed 1926adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // ClassLoader loader = VM.getNonBootstrapClassLoader(); 1927adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ClassLoader loader = ClassLoader.getSystemClassLoader(); 1928f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // END android-changed 1929adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?>[] interfaces = new Class<?>[interfaceNames.length]; 1930adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (int i = 0; i < interfaceNames.length; i++) { 1931adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project interfaces[i] = Class.forName(interfaceNames[i], false, loader); 1932adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1933adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project try { 1934adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return Proxy.getProxyClass(loader, interfaces); 1935adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } catch (IllegalArgumentException e) { 1936adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw new ClassNotFoundException(e.toString(), e); 1937adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1938adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1939adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1940adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1941adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Write a new handle describing a cyclic reference from the stream. 1942f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1943adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the handle read 1944f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1945adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 1946adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO exception happened when reading the handle 1947adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1948f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson private int readNewHandle() throws IOException { 1949f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson return input.readInt(); 1950adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1951adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1952f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson private Class<?> resolveConstructorClass(Class<?> objectClass, boolean wasSerializable, boolean wasExternalizable) 1953f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson throws OptionalDataException, ClassNotFoundException, IOException { 1954adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1955adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // The class of the instance may not be the same as the class of the 1956adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // constructor to run 1957adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // This is the constructor to run if Externalizable 1958adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?> constructorClass = objectClass; 1959adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1960adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // WARNING - What if the object is serializable and externalizable ? 1961adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Is that possible ? 1962adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (wasSerializable) { 1963adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Now we must run the constructor of the class just above the 1964adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // one that implements Serializable so that slots that were not 1965adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // dumped can be initialized properly 1966adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project while (constructorClass != null 1967adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project && ObjectStreamClass.isSerializable(constructorClass)) { 1968adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project constructorClass = constructorClass.getSuperclass(); 1969adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1970adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1971adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1972adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Fetch the empty constructor, or null if none. 1973adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Constructor<?> constructor = null; 1974adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (constructorClass != null) { 1975adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project try { 1976adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project constructor = constructorClass 1977adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project .getDeclaredConstructor(ObjectStreamClass.EMPTY_CONSTRUCTOR_PARAM_TYPES); 1978adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } catch (NoSuchMethodException nsmEx) { 1979adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Ignored 1980adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1981adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1982adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1983adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Has to have an empty constructor 1984adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (constructor == null) { 1985b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw new InvalidClassException(constructorClass.getName(), 1986b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes "IllegalAccessException"); 1987adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1988adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1989adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project int constructorModifiers = constructor.getModifiers(); 1990adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1991adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Now we must check if the empty constructor is visible to the 1992adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // instantiation class 1993adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (Modifier.isPrivate(constructorModifiers) 1994b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes || (wasExternalizable && !Modifier.isPublic(constructorModifiers))) { 1995b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw new InvalidClassException(constructorClass.getName(), 1996b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes "IllegalAccessException"); 1997adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1998adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1999adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // We know we are testing from a subclass, so the only other case 2000adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // where the visibility is not allowed is when the constructor has 2001adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // default visibility and the instantiation class is in a different 2002adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // package than the constructor class 2003adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (!Modifier.isPublic(constructorModifiers) 2004adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project && !Modifier.isProtected(constructorModifiers)) { 2005adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Not public, not private and not protected...means default 2006adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // visibility. Check if same package 2007adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (!inSamePackage(constructorClass, objectClass)) { 2008adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw new InvalidClassException(constructorClass.getName(), 2009b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes "IllegalAccessException"); 2010adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2011adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2012adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2013f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson return constructorClass; 2014f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson } 2015f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 2016f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson /** 2017f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * Read a new object from the stream. It is assumed the object has not been 2018f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * loaded yet (not a cyclic reference). Return the object read. 2019f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2020f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * If the object implements <code>Externalizable</code> its 2021f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * <code>readExternal</code> is called. Otherwise, all fields described by 2022f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * the class hierarchy are loaded. Each class can define how its declared 2023f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * instance fields are loaded by defining a private method 2024f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * <code>readObject</code> 2025f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2026f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * @param unshared 2027f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * read the object unshared 2028f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * @return the object read 2029f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2030f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * @throws IOException 2031f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * If an IO exception happened when reading the object. 2032f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * @throws OptionalDataException 2033f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * If optional data could not be found when reading the object 2034f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * graph 2035f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * @throws ClassNotFoundException 2036f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * If a class for one of the objects could not be found 2037f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson */ 2038f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson private Object readNewObject(boolean unshared) 2039f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson throws OptionalDataException, ClassNotFoundException, IOException { 2040f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson ObjectStreamClass classDesc = readClassDesc(); 2041f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 2042f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson if (classDesc == null) { 2043b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw missingClassDescriptor(); 2044f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson } 2045f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 2046f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson Integer newHandle = nextHandle(); 2047f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 2048f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // Note that these values come from the Stream, and in fact it could be 2049f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // that the classes have been changed so that the info below now 2050f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // conflicts with the newer class 2051f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson boolean wasExternalizable = (classDesc.getFlags() & SC_EXTERNALIZABLE) > 0; 2052f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson boolean wasSerializable = (classDesc.getFlags() & SC_SERIALIZABLE) > 0; 2053f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 2054f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 2055f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // Maybe we should cache the values above in classDesc ? It may be the 2056f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // case that when reading classDesc we may need to read more stuff 2057f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // depending on the values above 2058f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson Class<?> objectClass = classDesc.forClass(); 2059f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 2060f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson Object result, registeredResult = null; 2061f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson if (objectClass != null) { 2062f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 2063f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // BEGIN android-changed 2064f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // long constructor = classDesc.getConstructor(); 2065f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // if (constructor == ObjectStreamClass.CONSTRUCTOR_IS_NOT_RESOLVED) { 2066f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // constructor = accessor.getMethodID(resolveConstructorClass(objectClass, wasSerializable, wasExternalizable), null, new Class[0]); 2067f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // classDesc.setConstructor(constructor); 2068f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // } 2069f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson Class constructorClass = resolveConstructorClass(objectClass, wasSerializable, wasExternalizable); 2070f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // END android-changed 2071f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 2072adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Now we know which class to instantiate and which constructor to 2073adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // run. We are allowed to run the constructor. 2074f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // BEGIN android-changed 2075f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // result = accessor.newInstance(objectClass, constructor, null); 2076adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project result = newInstance(objectClass, constructorClass); 2077f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // END android-changed 2078adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project registerObjectRead(result, newHandle, unshared); 2079adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2080adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project registeredResult = result; 2081adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 2082adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project result = null; 2083adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2084adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2085adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project try { 2086adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // This is how we know what to do in defaultReadObject. And it is 2087adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // also used by defaultReadObject to check if it was called from an 2088adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // invalid place. It also allows readExternal to call 2089adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // defaultReadObject and have it work. 2090adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project currentObject = result; 2091adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project currentClass = classDesc; 2092adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2093adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // If Externalizable, just let the object read itself 2094adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (wasExternalizable) { 2095adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project boolean blockData = (classDesc.getFlags() & SC_BLOCK_DATA) > 0; 2096adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (!blockData) { 2097adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project primitiveData = input; 2098adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2099adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (mustResolve) { 2100adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Externalizable extern = (Externalizable) result; 2101adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project extern.readExternal(this); 2102adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2103adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (blockData) { 2104adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Similar to readHierarchy. Anything not read by 2105adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // readExternal has to be consumed here 2106adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project discardData(); 2107adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 2108adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project primitiveData = emptyStream; 2109adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2110adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 2111adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // If we got here, it is Serializable but not Externalizable. 2112adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Walk the hierarchy reading each class' slots 2113adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project readHierarchy(result, classDesc); 2114adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2115adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } finally { 2116adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Cleanup, needs to run always so that we can later detect invalid 2117adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // calls to defaultReadObject 2118adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project currentObject = null; 2119adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project currentClass = null; 2120adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2121adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2122adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (objectClass != null) { 2123f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 2124f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson if (classDesc.hasMethodReadResolve()){ 2125f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson Method methodReadResolve = classDesc.getMethodReadResolve(); 2126f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson try { 2127f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson result = methodReadResolve.invoke(result, (Object[]) null); 2128f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson } catch (IllegalAccessException iae) { 2129f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson } catch (InvocationTargetException ite) { 2130f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson Throwable target = ite.getTargetException(); 2131f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson if (target instanceof ObjectStreamException) { 2132f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson throw (ObjectStreamException) target; 2133f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson } else if (target instanceof Error) { 2134f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson throw (Error) target; 2135adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 2136f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson throw (RuntimeException) target; 2137adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2138adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2139f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 2140adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2141adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2142adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // We get here either if class-based replacement was not needed or if it 2143adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // was needed but produced the same object or if it could not be 2144adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // computed. 2145adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2146adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // The object to return is the one we instantiated or a replacement for 2147adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // it 2148adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (result != null && enableResolve) { 2149adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project result = resolveObject(result); 2150adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2151adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (registeredResult != result) { 2152adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project registerObjectRead(result, newHandle, unshared); 2153adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2154adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return result; 2155adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2156adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2157b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes private InvalidClassException missingClassDescriptor() throws InvalidClassException { 2158b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw new InvalidClassException("Read null attempting to read class descriptor for object"); 2159b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes } 2160b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes 2161adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2162adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Read a string encoded in {@link DataInput modified UTF-8} from the 2163adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * receiver. Return the string read. 2164f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2165adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param unshared 2166adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * read the object unshared 2167adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the string just read. 2168adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 2169adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO exception happened when reading the String. 2170adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2171adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private Object readNewString(boolean unshared) throws IOException { 2172adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Object result = input.readUTF(); 2173adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (enableResolve) { 2174adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project result = resolveObject(result); 2175adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2176d21d78fd49a2d798218e8c8aefbddb26a0e71bbbElliott Hughes registerObjectRead(result, nextHandle(), unshared); 2177adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2178adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return result; 2179adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2180adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2181adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2182adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Read a new String in UTF format from the receiver. Return the string 2183adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * read. 2184f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2185adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param unshared 2186adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * read the object unshared 2187adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the string just read. 2188f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2189adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 2190adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO exception happened when reading the String. 2191adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2192adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private Object readNewLongString(boolean unshared) throws IOException { 2193adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project long length = input.readLong(); 2194adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Object result = input.decodeUTF((int) length); 2195adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (enableResolve) { 2196adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project result = resolveObject(result); 2197adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2198f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson registerObjectRead(result, nextHandle(), unshared); 2199adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2200adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return result; 2201adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2202adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2203adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2204adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads the next object from the source stream. 2205f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2206adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the object read from the source stream. 2207adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 2208adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the class of one of the objects in the object graph cannot 2209adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * be found. 2210adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 2211adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 2212adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws OptionalDataException 2213adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if primitive data types were found instead of an object. 2214adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see ObjectOutputStream#writeObject(Object) 2215adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2216adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public final Object readObject() throws OptionalDataException, 2217adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ClassNotFoundException, IOException { 2218adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readObject(false); 2219adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2220adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2221adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2222adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads the next unshared object from the source stream. 2223f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2224adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the new object read. 2225adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 2226adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the class of one of the objects in the object graph cannot 2227adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * be found. 2228adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 2229adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 2230adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see ObjectOutputStream#writeUnshared 2231adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2232adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public Object readUnshared() throws IOException, ClassNotFoundException { 2233adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readObject(true); 2234adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2235adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2236adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private Object readObject(boolean unshared) throws OptionalDataException, 2237adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ClassNotFoundException, IOException { 2238adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project boolean restoreInput = (primitiveData == input); 2239adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (restoreInput) { 2240adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project primitiveData = emptyStream; 2241adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2242adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2243adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // This is the spec'ed behavior in JDK 1.2. Very bizarre way to allow 2244adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // behavior overriding. 2245adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (subclassOverridingImplementation && !unshared) { 2246adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readObjectOverride(); 2247adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2248adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2249adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // If we still had primitive types to read, should we discard them 2250adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // (reset the primitiveTypes stream) or leave as is, so that attempts to 2251adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // read primitive types won't read 'past data' ??? 2252adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Object result; 2253adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project try { 2254adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // We need this so we can tell when we are returning to the 2255adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // original/outside caller 2256adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (++nestedLevels == 1) { 2257adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Remember the caller's class loader 2258adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // BEGIN android-changed 2259adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project callerClassLoader = getClosestUserClassLoader(); 2260adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // END android-changed 2261adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2262adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2263adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project result = readNonPrimitiveContent(unshared); 2264adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (restoreInput) { 2265adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project primitiveData = input; 2266adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2267adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } finally { 2268adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // We need this so we can tell when we are returning to the 2269adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // original/outside caller 2270adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (--nestedLevels == 0) { 2271adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // We are going to return to the original caller, perform 2272adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // cleanups. 2273adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // No more need to remember the caller's class loader 2274adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project callerClassLoader = null; 2275adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2276adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2277adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2278adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Done reading this object. Is it time to return to the original 2279adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // caller? If so we need to perform validations first. 2280adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (nestedLevels == 0 && validations != null) { 2281adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // We are going to return to the original caller. If validation is 2282adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // enabled we need to run them now and then cleanup the validation 2283adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // collection 2284adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project try { 2285adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (InputValidationDesc element : validations) { 2286adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project element.validator.validateObject(); 2287adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2288adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } finally { 2289adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Validations have to be renewed, since they are only called 2290adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // from readObject 2291adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project validations = null; 2292adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2293adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2294adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return result; 2295adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2296adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2297adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // BEGIN android-added 2298adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private static final ClassLoader bootstrapLoader 2299adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project = Object.class.getClassLoader(); 2300adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private static final ClassLoader systemLoader 2301adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project = ClassLoader.getSystemClassLoader(); 2302adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2303adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2304adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Searches up the call stack to find the closest user-defined class loader. 2305adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * 2306adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return a user-defined class loader or null if one isn't found 2307adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2308adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private static ClassLoader getClosestUserClassLoader() { 2309adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?>[] stackClasses = VMStack.getClasses(-1, false); 2310adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (Class<?> stackClass : stackClasses) { 2311adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ClassLoader loader = stackClass.getClassLoader(); 2312adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (loader != null && loader != bootstrapLoader 2313adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project && loader != systemLoader) { 2314adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return loader; 2315adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2316adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2317adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return null; 2318adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2319adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // END android-added 2320adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2321adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2322adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Method to be overriden by subclasses to read the next object from the 2323adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * source stream. 2324f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2325adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the object read from the source stream. 2326adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 2327adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the class of one of the objects in the object graph cannot 2328adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * be found. 2329adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 2330adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 2331adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws OptionalDataException 2332adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if primitive data types were found instead of an object. 2333adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see ObjectOutputStream#writeObjectOverride 2334adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2335adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project protected Object readObjectOverride() throws OptionalDataException, 2336adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ClassNotFoundException, IOException { 2337adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (input == null) { 2338adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return null; 2339adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2340adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Subclasses must override. 2341adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw new IOException(); 2342adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2343adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2344adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2345adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads a short (16 bit) from the source stream. 2346f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2347adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the short value read from the source stream. 2348adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 2349adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 2350adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2351adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public short readShort() throws IOException { 2352adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return primitiveTypes.readShort(); 2353adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2354adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2355adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2356adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads and validates the ObjectInputStream header from the source stream. 2357f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2358adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 2359adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 2360adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws StreamCorruptedException 2361adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the source stream does not contain readable serialized 2362adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * objects. 2363adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2364adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project protected void readStreamHeader() throws IOException, 2365adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project StreamCorruptedException { 2366adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (input.readShort() == STREAM_MAGIC 2367adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project && input.readShort() == STREAM_VERSION) { 2368adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return; 2369adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2370adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw new StreamCorruptedException(); 2371adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2372adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2373adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2374adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads an unsigned byte (8 bit) from the source stream. 2375f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2376adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the unsigned byte value read from the source stream packaged in 2377adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * an integer. 2378adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws EOFException 2379adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the end of the input is reached before the read 2380adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * request can be satisfied. 2381adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 2382adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 2383adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2384adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public int readUnsignedByte() throws IOException { 2385adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return primitiveTypes.readUnsignedByte(); 2386adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2387adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2388adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2389adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads an unsigned short (16 bit) from the source stream. 2390f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2391adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the unsigned short value read from the source stream packaged in 2392adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * an integer. 2393adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws EOFException 2394adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the end of the input is reached before the read 2395adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * request can be satisfied. 2396adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 2397adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 2398adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2399adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public int readUnsignedShort() throws IOException { 2400adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return primitiveTypes.readUnsignedShort(); 2401adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2402adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2403adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2404adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads a string encoded in {@link DataInput modified UTF-8} from the 2405adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * source stream. 2406f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2407adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the string encoded in {@link DataInput modified UTF-8} read from 2408adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the source stream. 2409adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws EOFException 2410adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the end of the input is reached before the read 2411adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * request can be satisfied. 2412adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 2413adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 2414adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2415adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public String readUTF() throws IOException { 2416adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return primitiveTypes.readUTF(); 2417adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2418adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2419adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2420adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Return the object previously read tagged with handle {@code handle}. 2421f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2422adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param handle 2423adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * The handle that this object was assigned when it was read. 2424adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the object previously read. 2425f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2426adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws InvalidObjectException 2427adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If there is no previously read object with this handle 2428adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2429b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes private Object registeredObjectRead(Integer handle) throws InvalidObjectException { 2430adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Object res = objectsRead.get(handle); 2431adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (res == UNSHARED_OBJ) { 2432b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw new InvalidObjectException("Cannot read back reference to unshared object"); 2433adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2434adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return res; 2435adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2436adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2437adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2438adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Assume object {@code obj} has been read, and assign a handle to 2439adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * it, {@code handle}. 2440f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2441adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param obj 2442adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Non-null object being loaded. 2443adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param handle 2444adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * An Integer, the handle to this object 2445adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param unshared 2446adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Boolean, indicates that caller is reading in unshared mode 2447f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2448adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see #nextHandle 2449adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2450adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private void registerObjectRead(Object obj, Integer handle, boolean unshared) { 2451adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project objectsRead.put(handle, unshared ? UNSHARED_OBJ : obj); 2452adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2453adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2454adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2455adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Registers a callback for post-deserialization validation of objects. It 2456adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * allows to perform additional consistency checks before the {@code 2457adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * readObject()} method of this class returns its result to the caller. This 2458adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * method can only be called from within the {@code readObject()} method of 2459adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * a class that implements "special" deserialization rules. It can be called 2460adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * multiple times. Validation callbacks are then done in order of decreasing 2461adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * priority, defined by {@code priority}. 2462f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2463adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param object 2464adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * an object that can validate itself by receiving a callback. 2465adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param priority 2466adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the validator's priority. 2467adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws InvalidObjectException 2468adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if {@code object} is {@code null}. 2469adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws NotActiveException 2470adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if this stream is currently not reading objects. In that 2471adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * case, calling this method is not allowed. 2472adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see ObjectInputValidation#validateObject() 2473adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2474adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public synchronized void registerValidation(ObjectInputValidation object, 2475adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project int priority) throws NotActiveException, InvalidObjectException { 2476adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Validation can only be registered when inside readObject calls 2477adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Object instanceBeingRead = this.currentObject; 2478adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2479adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // We can't be called from just anywhere. There are rules. 2480f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson if (instanceBeingRead == null && nestedLevels == 0) { 2481adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw new NotActiveException(); 2482adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2483adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (object == null) { 2484b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw new InvalidObjectException("Callback object cannot be null"); 2485adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2486adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // From now on it is just insertion in a SortedCollection. Since 2487adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // the Java class libraries don't provide that, we have to 2488adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // implement it from scratch here. 2489adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project InputValidationDesc desc = new InputValidationDesc(); 2490adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project desc.validator = object; 2491adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project desc.priority = priority; 2492adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // No need for this, validateObject does not take a parameter 2493adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // desc.toValidate = instanceBeingRead; 2494adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (validations == null) { 2495adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project validations = new InputValidationDesc[1]; 2496adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project validations[0] = desc; 2497adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 2498adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project int i = 0; 2499adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (; i < validations.length; i++) { 2500adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project InputValidationDesc validation = validations[i]; 2501adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Sorted, higher priority first. 2502adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (priority >= validation.priority) { 2503adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project break; // Found the index where to insert 2504adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2505adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2506adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project InputValidationDesc[] oldValidations = validations; 2507adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project int currentSize = oldValidations.length; 2508adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project validations = new InputValidationDesc[currentSize + 1]; 2509adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project System.arraycopy(oldValidations, 0, validations, 0, i); 2510adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project System.arraycopy(oldValidations, i, validations, i + 1, currentSize 2511adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project - i); 2512adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project validations[i] = desc; 2513adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2514adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2515adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2516adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2517adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reset the collection of objects already loaded by the receiver. 2518adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2519adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private void resetSeenObjects() { 2520f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson objectsRead = new HashMap<Integer, Object>(); 2521adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project currentHandle = baseWireHandle; 2522adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project primitiveData = emptyStream; 2523adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2524adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2525adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2526adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reset the receiver. The collection of objects already read by the 2527adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * receiver is reset, and internal structures are also reset so that the 2528adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * receiver knows it is in a fresh clean state. 2529adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2530adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private void resetState() { 2531adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project resetSeenObjects(); 2532adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project hasPushbackTC = false; 2533adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project pushbackTC = 0; 2534adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // nestedLevels = 0; 2535adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2536adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2537adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2538adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Loads the Java class corresponding to the class descriptor {@code 2539adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * osClass} that has just been read from the source stream. 2540f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2541adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param osClass 2542adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * an ObjectStreamClass read from the source stream. 2543adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return a Class corresponding to the descriptor {@code osClass}. 2544adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 2545adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the class for an object cannot be found. 2546adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 2547adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an I/O error occurs while creating the class. 2548adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see ObjectOutputStream#annotateClass(Class) 2549adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2550adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project protected Class<?> resolveClass(ObjectStreamClass osClass) 2551adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws IOException, ClassNotFoundException { 2552f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // fastpath: obtain cached value 2553f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson Class<?> cls = osClass.forClass(); 2554adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (null == cls) { 2555f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // slowpath: resolve the class 2556f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson String className = osClass.getName(); 2557f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 2558f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // if it is primitive class, for example, long.class 2559f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson cls = PRIMITIVE_CLASSES.get(className); 2560f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 2561f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson if (null == cls) { 2562f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // not primitive class 2563f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // Use the first non-null ClassLoader on the stack. If null, use 2564f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // the system class loader 2565f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson cls = Class.forName(className, true, callerClassLoader); 2566f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson } 2567adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2568adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return cls; 2569adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2570adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2571adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2572adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Allows trusted subclasses to substitute the specified original {@code 2573adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * object} with a new object. Object substitution has to be activated first 2574adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * with calling {@code enableResolveObject(true)}. This implementation just 2575adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * returns {@code object}. 2576f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2577adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param object 2578adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the original object for which a replacement may be defined. 2579adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the replacement object for {@code object}. 2580adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 2581adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if any I/O error occurs while creating the replacement 2582adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * object. 2583adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see #enableResolveObject 2584adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see ObjectOutputStream#enableReplaceObject 2585adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see ObjectOutputStream#replaceObject 2586adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2587adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project protected Object resolveObject(Object object) throws IOException { 2588adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // By default no object replacement. Subclasses can override 2589adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return object; 2590adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2591adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2592f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // BEGIN android-added 2593f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 2594f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson /* 2595f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * These methods set the value of a field named fieldName of instance. The 2596f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * field is declared by declaringClass. The field is the same type as the 2597f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * value parameter. 2598f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2599f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * these methods could be implemented non-natively on top of 2600f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * java.lang.reflect at the expense of extra object creation 2601f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * (java.lang.reflect.Field). Otherwise Serialization could not fetch 2602f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * private fields, except by the use of a native method like this one. 2603f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2604f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * @throws NoSuchFieldError If the field does not exist. 2605adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2606adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private static native void setField(Object instance, 2607adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?> declaringClass, String fieldName, byte value) 2608adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws NoSuchFieldError; 2609adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2610f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 2611adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private static native void setField(Object instance, 2612adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?> declaringClass, String fieldName, char value) 2613adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws NoSuchFieldError; 2614adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2615f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 2616adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private static native void setField(Object instance, 2617adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?> declaringClass, String fieldName, double value) 2618adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws NoSuchFieldError; 2619adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2620adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private static native void setField(Object instance, 2621adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?> declaringClass, String fieldName, float value) 2622adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws NoSuchFieldError; 2623adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2624adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private static native void setField(Object instance, 2625adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?> declaringClass, String fieldName, int value) 2626adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws NoSuchFieldError; 2627adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2628adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private static native void setField(Object instance, 2629adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?> declaringClass, String fieldName, long value) 2630adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws NoSuchFieldError; 2631adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2632adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private static native void objSetField(Object instance, 2633adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?> declaringClass, String fieldName, String fieldTypeName, 2634adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Object value) throws NoSuchFieldError; 2635adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2636adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private static native void setField(Object instance, 2637adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?> declaringClass, String fieldName, short value) 2638adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws NoSuchFieldError; 2639adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2640adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private static native void setField(Object instance, 2641adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?> declaringClass, String fieldName, boolean value) 2642adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws NoSuchFieldError; 2643adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2644f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // END android-added 2645f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 2646adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2647adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Skips {@code length} bytes on the source stream. This method should not 2648adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * be used to skip bytes at any arbitrary position, just when reading 2649adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * primitive data types (int, char etc). 2650f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2651adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param length 2652adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the number of bytes to skip. 2653adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the number of bytes actually skipped. 2654adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 2655adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while skipping bytes on the source stream. 2656adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws NullPointerException 2657adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the source stream is {@code null}. 2658adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2659adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public int skipBytes(int length) throws IOException { 2660adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // To be used with available. Ok to call if reading primitive buffer 2661adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (input == null) { 2662adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw new NullPointerException(); 2663adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2664adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2665adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project int offset = 0; 2666adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project while (offset < length) { 2667adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project checkReadPrimitiveTypes(); 2668adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project long skipped = primitiveData.skip(length - offset); 2669adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (skipped == 0) { 2670adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return offset; 2671adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2672adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project offset += (int) skipped; 2673adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2674adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return length; 2675adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2676adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2677adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2678f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * Verify if the SUID & the base name for descriptor 2679f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * <code>loadedStreamClass</code>matches 2680f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * the SUID & the base name of the corresponding loaded class and 2681f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * init private fields. 2682f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2683adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param loadedStreamClass 2684adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * An ObjectStreamClass that was loaded from the stream. 2685f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2686adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws InvalidClassException 2687adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If the SUID of the stream class does not match the VM class 2688adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2689f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson private void verifyAndInit(ObjectStreamClass loadedStreamClass) 2690adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws InvalidClassException { 2691f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 2692adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?> localClass = loadedStreamClass.forClass(); 2693adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectStreamClass localStreamClass = ObjectStreamClass 2694adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project .lookupStreamClass(localClass); 2695f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 2696adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (loadedStreamClass.getSerialVersionUID() != localStreamClass 2697adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project .getSerialVersionUID()) { 2698b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw new InvalidClassException(loadedStreamClass.getName(), 2699b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes "Incompatible class (SUID): " + loadedStreamClass + 2700b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes " but expected " + localStreamClass); 2701adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2702adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2703adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project String loadedClassBaseName = getBaseName(loadedStreamClass.getName()); 2704adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project String localClassBaseName = getBaseName(localStreamClass.getName()); 2705adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2706adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (!loadedClassBaseName.equals(localClassBaseName)) { 2707b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw new InvalidClassException(loadedStreamClass.getName(), 2708b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes String.format("Incompatible class (base name): %s but expected %s", 2709b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes loadedClassBaseName, localClassBaseName)); 2710adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2711f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 2712f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson loadedStreamClass.initPrivateFields(localStreamClass); 2713adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2714adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2715adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private static String getBaseName(String fullName) { 2716f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson int k = fullName.lastIndexOf('.'); 2717adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2718adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (k == -1 || k == (fullName.length() - 1)) { 2719adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return fullName; 2720adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2721adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return fullName.substring(k + 1); 2722adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2723adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2724adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Avoid recursive defining. 2725adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private static void checkedSetSuperClassDesc(ObjectStreamClass desc, 2726adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectStreamClass superDesc) throws StreamCorruptedException { 2727adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (desc.equals(superDesc)) { 2728adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw new StreamCorruptedException(); 2729adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2730adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project desc.setSuperclass(superDesc); 2731adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2732adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 2733