ObjectInputStream.java revision b854a55df2475a4e9acc96c271cd88da7559f019
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; 29b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughesimport java.lang.reflect.Field; 30adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectimport java.lang.reflect.InvocationTargetException; 31adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectimport java.lang.reflect.Method; 32adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectimport java.lang.reflect.Modifier; 33adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectimport java.lang.reflect.Proxy; 34adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectimport java.security.AccessController; 35adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectimport java.security.PrivilegedAction; 36adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectimport java.util.ArrayList; 37f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilsonimport java.util.HashMap; 38adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectimport java.util.Iterator; 39693eacca9fa67ad79d1b35dbaad61c5ac1ac457cElliott Hughesimport libcore.base.EmptyArray; 40adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectimport org.apache.harmony.luni.util.PriviAction; 41adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 42adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project/** 43adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * A specialized {@link InputStream} that is able to read (deserialize) Java 44adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * objects as well as primitive data types (int, byte, char etc.). The data has 45adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * typically been saved using an ObjectOutputStream. 46f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 47adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see ObjectOutputStream 48adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see ObjectInput 49adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see Serializable 50adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see Externalizable 51adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 52adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Projectpublic class ObjectInputStream extends InputStream implements ObjectInput, 53adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectStreamConstants { 54adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 55f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // BEGIN android-note 56f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // this is non-static to avoid sync contention. Would static be faster? 57f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // END android-note 58693eacca9fa67ad79d1b35dbaad61c5ac1ac457cElliott Hughes private InputStream emptyStream = new ByteArrayInputStream(EmptyArray.BYTE); 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) 742543351c360bdfe0046e819dedb069f3724d703aJesse Wilson private int nextHandle; 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) { 3922543351c360bdfe0046e819dedb069f3724d703aJesse Wilson 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 { 396693eacca9fa67ad79d1b35dbaad61c5ac1ac457cElliott Hughes Method method = implementationClass.getMethod("readFields", 397693eacca9fa67ad79d1b35dbaad61c5ac1ac457cElliott Hughes EmptyArray.CLASS); 398adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (method.getDeclaringClass() != thisClass) { 399adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return Boolean.TRUE; 400adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 4012543351c360bdfe0046e819dedb069f3724d703aJesse Wilson } catch (NoSuchMethodException ignored) { 402adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 403adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project try { 404693eacca9fa67ad79d1b35dbaad61c5ac1ac457cElliott Hughes Method method = implementationClass.getMethod("readUnshared", 405693eacca9fa67ad79d1b35dbaad61c5ac1ac457cElliott Hughes EmptyArray.CLASS); 406adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (method.getDeclaringClass() != thisClass) { 407adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return Boolean.TRUE; 408adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 4092543351c360bdfe0046e819dedb069f3724d703aJesse Wilson } catch (NoSuchMethodException ignored) { 410adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 411adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return Boolean.FALSE; 412adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 4132543351c360bdfe0046e819dedb069f3724d703aJesse Wilson }); 414adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (mustCheck) { 415adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project sm 416adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project .checkPermission(ObjectStreamConstants.SUBCLASS_IMPLEMENTATION_PERMISSION); 417adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 418adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 419adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project this.input = (input instanceof DataInputStream) ? (DataInputStream) input 420adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project : new DataInputStream(input); 421adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project primitiveTypes = new DataInputStream(this); 422adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project enableResolve = false; 423adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project this.subclassOverridingImplementation = false; 424adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project resetState(); 425adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project nestedLevels = 0; 426adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // So read...() methods can be used by 427adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // subclasses during readStreamHeader() 428adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project primitiveData = this.input; 429adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Has to be done here according to the specification 430adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project readStreamHeader(); 431adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project primitiveData = emptyStream; 432adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 433adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 434adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project @Override 435adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public int available() throws IOException { 436adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // returns 0 if next data is an object, or N if reading primitive types 437adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project checkReadPrimitiveTypes(); 438adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return primitiveData.available(); 439adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 440adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 441adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 442adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Checks to if it is ok to read primitive types from this stream at 443adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * this point. One is not supposed to read primitive types when about to 444adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * read an object, for example, so an exception has to be thrown. 445f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 446adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 447adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If any IO problem occurred when trying to read primitive type 448adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * or if it is illegal to read primitive types 449adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 450adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private void checkReadPrimitiveTypes() throws IOException { 451adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // If we still have primitive data, it is ok to read primitive data 452adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (primitiveData == input || primitiveData.available() > 0) { 453adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return; 454adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 455adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 456adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // If we got here either we had no Stream previously created or 457adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // we no longer have data in that one, so get more bytes 458adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project do { 459adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project int next = 0; 460adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (hasPushbackTC) { 461adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project hasPushbackTC = false; 462adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 463adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project next = input.read(); 464adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project pushbackTC = (byte) next; 465adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 466adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project switch (pushbackTC) { 467adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_BLOCKDATA: 468adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project primitiveData = new ByteArrayInputStream(readBlockData()); 469adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return; 470adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_BLOCKDATALONG: 471b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes primitiveData = new ByteArrayInputStream(readBlockDataLong()); 472adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return; 473adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_RESET: 474adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project resetState(); 475adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project break; 476adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project default: 477adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (next != -1) { 478adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project pushbackTC(); 479adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 480adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return; 481adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 482adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Only TC_RESET falls through 483adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } while (true); 484adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 485adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 486adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 487adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Closes this stream. This implementation closes the source stream. 488f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 489adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 490adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while closing this stream. 491adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 492adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project @Override 493adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public void close() throws IOException { 494adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project input.close(); 495adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 496adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 497adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 498adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Default method to read objects from this stream. Serializable fields 499adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * defined in the object's class and superclasses are read from the source 500adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * stream. 501f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 502adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 503adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the object's class cannot be found. 504adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 505adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an I/O error occurs while reading the object data. 506adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws NotActiveException 507adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if this method is not called from {@code readObject()}. 508adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see ObjectOutputStream#defaultWriteObject 509adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 510adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public void defaultReadObject() throws IOException, ClassNotFoundException, 511adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project NotActiveException { 512adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // We can't be called from just anywhere. There are rules. 513adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (currentObject != null || !mustResolve) { 514adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project readFieldValues(currentObject, currentClass); 515adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 516adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw new NotActiveException(); 517adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 518adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 519adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 520adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 521adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Enables object replacement for this stream. By default this is not 522adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * enabled. Only trusted subclasses (loaded with system class loader) are 523adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * allowed to change this status. 524f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 525adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param enable 526adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code true} to enable object replacement; {@code false} to 527adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * disable it. 528adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the previous setting. 529adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws SecurityException 530adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if a security manager is installed and it denies enabling 531adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * object replacement for this stream. 532adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see #resolveObject 533adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see ObjectOutputStream#enableReplaceObject 534adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 535adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project protected boolean enableResolveObject(boolean enable) 536adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws SecurityException { 537adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (enable) { 538adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // The Stream has to be trusted for this feature to be enabled. 5392543351c360bdfe0046e819dedb069f3724d703aJesse Wilson // trusted means the stream's class loader has to be null 540adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project SecurityManager currentManager = System.getSecurityManager(); 541adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (currentManager != null) { 542adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project currentManager.checkPermission(SUBSTITUTION_PERMISSION); 543adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 544adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 545adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project boolean originalValue = enableResolve; 546adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project enableResolve = enable; 547adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return originalValue; 548adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 549adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 550adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 551adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Checks if two classes belong to the same package. 552f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 553adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param c1 554adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * one of the classes to test. 555adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param c2 556adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the other class to test. 557adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return {@code true} if the two classes belong to the same package, 558adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code false} otherwise. 559adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 560adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private boolean inSamePackage(Class<?> c1, Class<?> c2) { 561adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project String nameC1 = c1.getName(); 562adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project String nameC2 = c2.getName(); 563adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project int indexDotC1 = nameC1.lastIndexOf('.'); 564adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project int indexDotC2 = nameC2.lastIndexOf('.'); 565adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (indexDotC1 != indexDotC2) { 566adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return false; // cannot be in the same package if indices are not 567adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 568adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // the same 569adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (indexDotC1 < 0) { 570adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return true; // both of them are in default package 571adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 572adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return nameC1.substring(0, indexDotC1).equals( 573adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project nameC2.substring(0, indexDotC2)); 574adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 575adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 576f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // BEGIN android-added 577adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 578adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Create and return a new instance of class {@code instantiationClass} 579adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * but running the constructor defined in class 580adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code constructorClass} (same as {@code instantiationClass} 581adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * or a superclass). 582f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 583adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Has to be native to avoid visibility rules and to be able to have 584adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code instantiationClass} not the same as 585adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code constructorClass} (no such API in java.lang.reflect). 586f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 587adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param instantiationClass 588adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * The new object will be an instance of this class 589adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param constructorClass 590adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * The empty constructor to run will be in this class 591adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the object created from {@code instantiationClass} 592adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 593adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private static native Object newInstance(Class<?> instantiationClass, 594adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?> constructorClass); 595f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // END android-added 596adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 597adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 598adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Return the next {@code int} handle to be used to indicate cyclic 599adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * references being loaded from the stream. 600f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 601adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the next handle to represent the next cyclic reference 602adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 603f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson private Integer nextHandle() { 6042543351c360bdfe0046e819dedb069f3724d703aJesse Wilson return nextHandle++; 605adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 606adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 607adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 608adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Return the next token code (TC) from the receiver, which indicates what 609adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * kind of object follows 610f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 611adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the next TC from the receiver 612f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 613adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 614adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO error occurs 615f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 616adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see ObjectStreamConstants 617adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 618adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private byte nextTC() throws IOException { 619adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (hasPushbackTC) { 620adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project hasPushbackTC = false; // We are consuming it 621adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 622adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Just in case a later call decides to really push it back, 623adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // we don't require the caller to pass it as parameter 624adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project pushbackTC = input.readByte(); 625adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 626adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return pushbackTC; 627adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 628adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 629adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 630adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Pushes back the last TC code read 631adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 632adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private void pushbackTC() { 633adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project hasPushbackTC = true; 634adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 635adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 636adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 637adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads a single byte from the source stream and returns it as an integer 638adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * in the range from 0 to 255. Returns -1 if the end of the source stream 639adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * has been reached. Blocks if no input is available. 640f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 641adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the byte read or -1 if the end of the source stream has been 642adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * reached. 643adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 644adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from this stream. 645adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 646adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project @Override 647adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public int read() throws IOException { 648adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project checkReadPrimitiveTypes(); 649adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return primitiveData.read(); 650adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 651adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 652adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 653adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads at most {@code length} bytes from the source stream and stores them 654adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * in byte array {@code buffer} starting at offset {@code count}. Blocks 655adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * until {@code count} bytes have been read, the end of the source stream is 656adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * detected or an exception is thrown. 657f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 658adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param buffer 659adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the array in which to store the bytes read. 660adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param offset 661adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the initial position in {@code buffer} to store the bytes 662adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * read from the source stream. 663adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param length 664adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the maximum number of bytes to store in {@code buffer}. 665adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the number of bytes read or -1 if the end of the source input 666adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * stream has been reached. 667adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IndexOutOfBoundsException 668adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if {@code offset < 0} or {@code length < 0}, or if 669adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code offset + length} is greater than the length of 670adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code buffer}. 671adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 672adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from this stream. 673adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws NullPointerException 674adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if {@code buffer} is {@code null}. 675adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 676adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project @Override 677adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public int read(byte[] buffer, int offset, int length) throws IOException { 6785839b909d9528b7726e678a4b696ed37df15d897Jesse Wilson // Force buffer null check first! 6795839b909d9528b7726e678a4b696ed37df15d897Jesse Wilson if (offset > buffer.length || offset < 0) { 680b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw new ArrayIndexOutOfBoundsException("Offset out of bounds: " + offset); 681adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 6825839b909d9528b7726e678a4b696ed37df15d897Jesse Wilson if (length < 0 || length > buffer.length - offset) { 683b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw new ArrayIndexOutOfBoundsException("Length out of bounds: " + length); 684adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 685adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (length == 0) { 686adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return 0; 687adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 688adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project checkReadPrimitiveTypes(); 689adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return primitiveData.read(buffer, offset, length); 690adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 691adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 692adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 693adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads and returns an array of raw bytes with primitive data. The array 694adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * will have up to 255 bytes. The primitive data will be in the format 695adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * described by {@code DataOutputStream}. 696f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 697adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return The primitive data read, as raw bytes 698f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 699adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 700adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO exception happened when reading the primitive data. 701adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 702adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private byte[] readBlockData() throws IOException { 703adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project byte[] result = new byte[input.readByte() & 0xff]; 704adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project input.readFully(result); 705adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return result; 706adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 707adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 708adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 709adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads and returns an array of raw bytes with primitive data. The array 710adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * will have more than 255 bytes. The primitive data will be in the format 711adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * described by {@code DataOutputStream}. 712f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 713adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return The primitive data read, as raw bytes 714f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 715adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 716adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO exception happened when reading the primitive data. 717adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 718adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private byte[] readBlockDataLong() throws IOException { 719adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project byte[] result = new byte[input.readInt()]; 720adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project input.readFully(result); 721adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return result; 722adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 723adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 724adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 725adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads a boolean from the source stream. 726f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 727adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the boolean value read from the source stream. 728adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws EOFException 729adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the end of the input is reached before the read 730adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * request can be satisfied. 731adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 732adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 733adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 734adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public boolean readBoolean() throws IOException { 735adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return primitiveTypes.readBoolean(); 736adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 737adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 738adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 739adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads a byte (8 bit) from the source stream. 740f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 741adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the byte value read from the source stream. 742adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws EOFException 743adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the end of the input is reached before the read 744adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * request can be satisfied. 745adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 746adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 747adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 748adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public byte readByte() throws IOException { 749adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return primitiveTypes.readByte(); 750adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 751adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 752adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 753adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads a character (16 bit) from the source stream. 754f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 755adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the char value read from the source stream. 756adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws EOFException 757adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the end of the input is reached before the read 758adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * request can be satisfied. 759adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 760adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 761adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 762adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public char readChar() throws IOException { 763adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return primitiveTypes.readChar(); 764adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 765adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 766adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 767adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads and discards block data and objects until TC_ENDBLOCKDATA is found. 768f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 769adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 770adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO exception happened when reading the optional class 771adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * annotation. 772adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 773adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If the class corresponding to the class descriptor could not 774adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * be found. 775adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 776adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private void discardData() throws ClassNotFoundException, IOException { 777adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project primitiveData = emptyStream; 778adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project boolean resolve = mustResolve; 779adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project mustResolve = false; 780adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project do { 781adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project byte tc = nextTC(); 782adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (tc == TC_ENDBLOCKDATA) { 783adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project mustResolve = resolve; 784adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return; // End of annotation 785adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 786adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project readContent(tc); 787adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } while (true); 788adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 789adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 790adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 791adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads a class descriptor (an {@code ObjectStreamClass}) from the 792adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * stream. 793f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 794adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the class descriptor read from the stream 795f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 796adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 797adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO exception happened when reading the class 798adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * descriptor. 799adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 800adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If the class corresponding to the class descriptor could not 801adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * be found. 802adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 803b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes private ObjectStreamClass readClassDesc() throws ClassNotFoundException, IOException { 804adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project byte tc = nextTC(); 805adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project switch (tc) { 806adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_CLASSDESC: 807adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readNewClassDesc(false); 808adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_PROXYCLASSDESC: 809adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?> proxyClass = readNewProxyClassDesc(); 810693eacca9fa67ad79d1b35dbaad61c5ac1ac457cElliott Hughes ObjectStreamClass streamClass = ObjectStreamClass.lookup(proxyClass); 811693eacca9fa67ad79d1b35dbaad61c5ac1ac457cElliott Hughes streamClass.setLoadFields(ObjectStreamClass.NO_FIELDS); 812f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson registerObjectRead(streamClass, nextHandle(), false); 813adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project checkedSetSuperClassDesc(streamClass, readClassDesc()); 814adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return streamClass; 815adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_REFERENCE: 816adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return (ObjectStreamClass) readCyclicReference(); 817adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_NULL: 818adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return null; 819adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project default: 820b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw corruptStream(tc); 821adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 822adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 823adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 824b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes private StreamCorruptedException corruptStream(byte tc) throws StreamCorruptedException { 825b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw new StreamCorruptedException("Wrong format: " + Integer.toHexString(tc & 0xff)); 826b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes } 827b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes 828adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 829adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads the content of the receiver based on the previously read token 830adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code tc}. 831f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 832adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param tc 833adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * The token code for the next item in the stream 834adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the object read from the stream 835f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 836adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 837adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO exception happened when reading the class 838adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * descriptor. 839adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 840adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If the class corresponding to the object being read could not 841adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * be found. 842adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 843adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private Object readContent(byte tc) throws ClassNotFoundException, 844adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project IOException { 845adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project switch (tc) { 846adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_BLOCKDATA: 847adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readBlockData(); 848adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_BLOCKDATALONG: 849adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readBlockDataLong(); 850adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_CLASS: 851adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readNewClass(false); 852adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_CLASSDESC: 853adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readNewClassDesc(false); 854adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_ARRAY: 855adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readNewArray(false); 856adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_OBJECT: 857adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readNewObject(false); 858adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_STRING: 859adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readNewString(false); 860adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_LONGSTRING: 861adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readNewLongString(false); 862adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_REFERENCE: 863adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readCyclicReference(); 864adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_NULL: 865adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return null; 866adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_EXCEPTION: 867adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Exception exc = readException(); 868b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw new WriteAbortedException("Read an exception", exc); 869adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_RESET: 870adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project resetState(); 871adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return null; 872adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project default: 873b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw corruptStream(tc); 874adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 875adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 876adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 877adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 878adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads the content of the receiver based on the previously read token 879adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code tc}. Primitive data content is considered an error. 880f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 881adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param unshared 882adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * read the object unshared 883adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the object read from the stream 884f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 885adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 886adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO exception happened when reading the class 887adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * descriptor. 888adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 889adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If the class corresponding to the object being read could not 890adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * be found. 891adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 892adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private Object readNonPrimitiveContent(boolean unshared) 893adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws ClassNotFoundException, IOException { 894adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project checkReadPrimitiveTypes(); 895adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (primitiveData.available() > 0) { 896adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project OptionalDataException e = new OptionalDataException(); 897adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project e.length = primitiveData.available(); 898adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw e; 899adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 900adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 901adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project do { 902adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project byte tc = nextTC(); 903adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project switch (tc) { 904adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_CLASS: 905adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readNewClass(unshared); 906adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_CLASSDESC: 907adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readNewClassDesc(unshared); 908adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_ARRAY: 909adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readNewArray(unshared); 910adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_OBJECT: 911adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readNewObject(unshared); 912adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_STRING: 913adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readNewString(unshared); 914adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_LONGSTRING: 915adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readNewLongString(unshared); 916adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_ENUM: 917adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readEnum(unshared); 918adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_REFERENCE: 919adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (unshared) { 920adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project readNewHandle(); 921b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw new InvalidObjectException("Unshared read of back reference"); 922adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 923adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readCyclicReference(); 924adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_NULL: 925adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return null; 926adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_EXCEPTION: 927adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Exception exc = readException(); 928b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw new WriteAbortedException("Read an exception", exc); 929adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_RESET: 930adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project resetState(); 931adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project break; 932adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_ENDBLOCKDATA: // Can occur reading class annotation 933adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project pushbackTC(); 934adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project OptionalDataException e = new OptionalDataException(); 935adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project e.eof = true; 936adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw e; 937adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project default: 938b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw corruptStream(tc); 939adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 940adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Only TC_RESET falls through 941adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } while (true); 942adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 943adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 944adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 945adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads the next item from the stream assuming it is a cyclic reference to 946adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * an object previously read. Return the actual object previously read. 947f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 948adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the object previously read from the stream 949f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 950adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 951adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO exception happened when reading the class 952adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * descriptor. 953adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws InvalidObjectException 954adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If the cyclic reference is not valid. 955adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 956adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private Object readCyclicReference() throws InvalidObjectException, 957adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project IOException { 958adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return registeredObjectRead(readNewHandle()); 959adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 960adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 961adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 962adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads a double (64 bit) from the source stream. 963f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 964adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the double value read from the source stream. 965adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws EOFException 966adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the end of the input is reached before the read 967adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * request can be satisfied. 968adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 969adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 970adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 971adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public double readDouble() throws IOException { 972adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return primitiveTypes.readDouble(); 973adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 974adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 975adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 976adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Read the next item assuming it is an exception. The exception is not a 977adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * regular instance in the object graph, but the exception instance that 978adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * happened (if any) when dumping the original object graph. The set of seen 979adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * objects will be reset just before and just after loading this exception 980adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * object. 981adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * <p> 982adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * When exceptions are found normally in the object graph, they are loaded 983adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * as a regular object, and not by this method. In that case, the set of 984adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * "known objects" is not reset. 985f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 986adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the exception read 987f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 988adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 989adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO exception happened when reading the exception 990adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * object. 991adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 992adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If a class could not be found when reading the object graph 993adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * for the exception 994adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws OptionalDataException 995adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If optional data could not be found when reading the 996adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * exception graph 997adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws WriteAbortedException 998adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If another exception was caused when dumping this exception 999adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1000adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private Exception readException() throws WriteAbortedException, 1001adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project OptionalDataException, ClassNotFoundException, IOException { 1002adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1003adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project resetSeenObjects(); 1004adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1005adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Now we read the Throwable object that was saved 1006adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // WARNING - the grammar says it is a Throwable, but the 1007adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // WriteAbortedException constructor takes an Exception. So, we read an 1008adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Exception from the stream 1009adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Exception exc = (Exception) readObject(); 1010adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1011adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // We reset the receiver's state (the grammar has "reset" in normal 1012adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // font) 1013adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project resetSeenObjects(); 1014adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return exc; 1015adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1016adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1017adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1018adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads a collection of field descriptors (name, type name, etc) for the 1019adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * class descriptor {@code cDesc} (an {@code ObjectStreamClass}) 1020f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1021adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param cDesc 1022adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * The class descriptor (an {@code ObjectStreamClass}) 1023adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * for which to write field information 1024f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1025adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 1026adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO exception happened when reading the field 1027adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * descriptors. 1028adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 1029adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If a class for one of the field types could not be found 1030f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1031adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see #readObject() 1032adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1033adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private void readFieldDescriptors(ObjectStreamClass cDesc) 1034adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws ClassNotFoundException, IOException { 1035adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project short numFields = input.readShort(); 1036adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectStreamField[] fields = new ObjectStreamField[numFields]; 1037adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1038adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // We set it now, but each element will be inserted in the array further 1039adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // down 1040adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project cDesc.setLoadFields(fields); 1041adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1042adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Check ObjectOutputStream.writeFieldDescriptors 1043adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (short i = 0; i < numFields; i++) { 1044adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project char typecode = (char) input.readByte(); 1045adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project String fieldName = input.readUTF(); 1046adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project boolean isPrimType = ObjectStreamClass.isPrimitiveType(typecode); 1047adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project String classSig; 1048adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (isPrimType) { 1049adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project classSig = String.valueOf(typecode); 1050adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 1051adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // The spec says it is a UTF, but experience shows they dump 1052adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // this String using writeObject (unlike the field name, which 1053adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // is saved with writeUTF). 1054adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // And if resolveObject is enabled, the classSig may be modified 1055adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // so that the original class descriptor cannot be read 1056adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // properly, so it is disabled. 1057adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project boolean old = enableResolve; 1058adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project try { 1059adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project enableResolve = false; 1060adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project classSig = (String) readObject(); 1061adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } finally { 1062adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project enableResolve = old; 1063adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1064adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1065f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 1066f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson classSig = formatClassSig(classSig); 1067adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectStreamField f = new ObjectStreamField(classSig, fieldName); 1068adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project fields[i] = f; 1069adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1070adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1071adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1072f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson /* 1073f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * Format the class signature for ObjectStreamField, for example, 1074f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * "[L[Ljava.lang.String;;" is converted to "[Ljava.lang.String;" 1075f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson */ 1076f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson private static String formatClassSig(String classSig) { 1077f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson int start = 0; 1078f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson int end = classSig.length(); 1079f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 1080f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson if (end <= 0) { 1081f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson return classSig; 1082f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson } 1083f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 108403c0a8e681c776fdba0389ab8593282139afc6d6Elliott Hughes while (classSig.startsWith("[L", start) 1085f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson && classSig.charAt(end - 1) == ';') { 1086f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson start += 2; 1087f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson end--; 1088f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson } 1089f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 1090f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson if (start > 0) { 1091f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson start -= 2; 1092f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson end++; 1093f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson return classSig.substring(start, end); 1094f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson } 1095f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson return classSig; 1096f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson } 1097f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 1098adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1099adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads the persistent fields of the object that is currently being read 1100adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * from the source stream. The values read are stored in a GetField object 1101adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * that provides access to the persistent fields. This GetField object is 1102adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * then returned. 1103f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1104adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the GetField object from which persistent fields can be accessed 1105adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * by name. 1106adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 1107adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the class of an object being deserialized can not be 1108adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * found. 1109adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 1110adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from this stream. 1111adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws NotActiveException 1112adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if this stream is currently not reading an object. 1113adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1114b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes public GetField readFields() throws IOException, ClassNotFoundException, NotActiveException { 1115adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // We can't be called from just anywhere. There are rules. 1116adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (currentObject == null) { 1117adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw new NotActiveException(); 1118adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1119adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project EmulatedFieldsForLoading result = new EmulatedFieldsForLoading( 1120adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project currentClass); 1121adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project readFieldValues(result); 1122adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return result; 1123adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1124adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1125adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1126adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads a collection of field values for the emulated fields 1127adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code emulatedFields} 1128f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1129adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param emulatedFields 1130adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * an {@code EmulatedFieldsForLoading}, concrete subclass 1131adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * of {@code GetField} 1132f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1133adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 1134adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO exception happened when reading the field values. 1135adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws InvalidClassException 1136adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an incompatible type is being assigned to an emulated 1137adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * field. 1138adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws OptionalDataException 1139adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If optional data could not be found when reading the 1140adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * exception graph 1141f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1142adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see #readFields 1143adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see #readObject() 1144adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1145adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private void readFieldValues(EmulatedFieldsForLoading emulatedFields) 1146adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws OptionalDataException, InvalidClassException, IOException { 1147b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes EmulatedFields.ObjectSlot[] slots = emulatedFields.emulatedFields().slots(); 1148adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (ObjectSlot element : slots) { 1149adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project element.defaulted = false; 1150adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?> type = element.field.getType(); 1151adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (type == Integer.TYPE) { 11522543351c360bdfe0046e819dedb069f3724d703aJesse Wilson element.fieldValue = input.readInt(); 1153adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else if (type == Byte.TYPE) { 11542543351c360bdfe0046e819dedb069f3724d703aJesse Wilson element.fieldValue = input.readByte(); 1155adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else if (type == Character.TYPE) { 11562543351c360bdfe0046e819dedb069f3724d703aJesse Wilson element.fieldValue = input.readChar(); 1157adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else if (type == Short.TYPE) { 11582543351c360bdfe0046e819dedb069f3724d703aJesse Wilson element.fieldValue = input.readShort(); 1159adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else if (type == Boolean.TYPE) { 11602543351c360bdfe0046e819dedb069f3724d703aJesse Wilson element.fieldValue = input.readBoolean(); 1161adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else if (type == Long.TYPE) { 11622543351c360bdfe0046e819dedb069f3724d703aJesse Wilson element.fieldValue = input.readLong(); 1163adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else if (type == Float.TYPE) { 11642543351c360bdfe0046e819dedb069f3724d703aJesse Wilson element.fieldValue = input.readFloat(); 1165adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else if (type == Double.TYPE) { 11662543351c360bdfe0046e819dedb069f3724d703aJesse Wilson element.fieldValue = input.readDouble(); 1167adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 1168adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Either array or Object 1169adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project try { 1170adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project element.fieldValue = readObject(); 1171adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } catch (ClassNotFoundException cnf) { 1172adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // WARNING- Not sure this is the right thing to do. Write 1173adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // test case. 1174adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw new InvalidClassException(cnf.toString()); 1175adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1176adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1177adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1178adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1179adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1180adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1181adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads a collection of field values for the class descriptor 1182adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code classDesc} (an {@code ObjectStreamClass}). The 1183adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * values will be used to set instance fields in object {@code obj}. 1184adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * This is the default mechanism, when emulated fields (an 1185adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code GetField}) are not used. Actual values to load are stored 1186adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * directly into the object {@code obj}. 1187f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1188adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param obj 1189adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Instance in which the fields will be set. 1190adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param classDesc 1191adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * A class descriptor (an {@code ObjectStreamClass}) 1192adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * defining which fields should be loaded. 1193f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1194adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 1195adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO exception happened when reading the field values. 1196adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws InvalidClassException 1197adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an incompatible type is being assigned to an emulated 1198adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * field. 1199adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws OptionalDataException 1200adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If optional data could not be found when reading the 1201adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * exception graph 1202adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 1203adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If a class of an object being de-serialized can not be found 1204f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1205adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see #readFields 1206adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see #readObject() 1207adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1208b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes private void readFieldValues(Object obj, ObjectStreamClass classDesc) throws OptionalDataException, ClassNotFoundException, IOException { 1209adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Now we must read all fields and assign them to the receiver 1210adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectStreamField[] fields = classDesc.getLoadFields(); 12117d0d108593ac30e19b8f2a5a157f697f3f46c041Elliott Hughes fields = (null == fields ? ObjectStreamClass.NO_FIELDS : fields); 1212adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?> declaringClass = classDesc.forClass(); 1213adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (declaringClass == null && mustResolve) { 1214adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw new ClassNotFoundException(classDesc.getName()); 1215adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1216adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1217adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (ObjectStreamField fieldDesc : fields) { 1218b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes Field field = classDesc.getReflectionField(fieldDesc); 1219b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes // We may not have been able to find the field, but we still need to read the value 1220b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes // and do the other checking, so there's no null check on 'field' here. 1221b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes try { 1222b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes switch (fieldDesc.getTypeCode()) { 1223b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes case 'B': 1224b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes byte b = input.readByte(); 1225b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes if (field != null) { 1226b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes field.setByte(obj, b); 1227adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1228b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes break; 1229b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes case 'C': 1230b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes char c = input.readChar(); 1231b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes if (field != null) { 1232b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes field.setChar(obj, c); 1233b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes } 1234b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes break; 1235b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes case 'D': 1236b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes double d = input.readDouble(); 1237b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes if (field != null) { 1238b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes field.setDouble(obj, d); 1239b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes } 1240b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes break; 1241b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes case 'F': 1242b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes float f = input.readFloat(); 1243b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes if (field != null) { 1244b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes field.setFloat(obj, f); 1245b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes } 1246b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes break; 1247b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes case 'I': 1248b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes int i = input.readInt(); 1249b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes if (field != null) { 1250b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes field.setInt(obj, i); 1251b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes } 1252b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes break; 1253b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes case 'J': 1254b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes long j = input.readLong(); 1255b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes if (field != null) { 1256b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes field.setLong(obj, j); 1257b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes } 1258b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes break; 1259b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes case 'S': 1260b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes short s = input.readShort(); 1261b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes if (field != null) { 1262b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes field.setShort(obj, s); 1263b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes } 1264b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes break; 1265b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes case 'Z': 1266b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes boolean z = input.readBoolean(); 1267b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes if (field != null) { 1268b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes field.setBoolean(obj, z); 1269b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes } 1270b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes break; 1271b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes case 'L': 1272b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes case '[': 1273b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes String fieldName = fieldDesc.getName(); 1274b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes boolean setBack = false; 1275b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes ObjectStreamField localFieldDesc = classDesc.getField(fieldName); 1276b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes if (mustResolve && fieldDesc == null) { 1277b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes setBack = true; 1278b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes mustResolve = false; 1279b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes } 1280b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes boolean unshared = fieldDesc != null && fieldDesc.isUnshared(); 1281b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes Object toSet = unshared ? readUnshared() : readObject(); 1282b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes if (setBack) { 1283b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes mustResolve = true; 1284b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes } 1285b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes if (fieldDesc != null) { 1286b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes if (toSet != null) { 1287f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // BEGIN android-changed 1288b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes // Get the field type from the local field rather than 1289b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes // from the stream's supplied data. That's the field 1290b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes // we'll be setting, so that's the one that needs to be 1291b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes // validated. 1292b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes Class<?> fieldType = localFieldDesc.getTypeInternal(); 1293b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes // END android-added 1294b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes Class<?> valueType = toSet.getClass(); 1295b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes if (!fieldType.isAssignableFrom(valueType)) { 1296b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes throw new ClassCastException(classDesc.getName() + "." + fieldName + " - " + fieldType + " not compatible with " + valueType); 1297b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes } 1298b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes if (field != null) { 1299b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes field.set(obj, toSet); 1300b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes } 1301adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1302adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1303b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes break; 1304b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes default: 1305b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes throw new StreamCorruptedException("Invalid typecode: " + fieldDesc.getTypeCode()); 1306adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1307b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes } catch (IllegalAccessException iae) { 1308b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes // ObjectStreamField should have called setAccessible(true). 1309b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes throw new AssertionError(iae); 1310b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes } catch (NoSuchFieldError ignored) { 1311adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1312adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1313adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1314adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1315adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1316adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads a float (32 bit) from the source stream. 1317f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1318adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the float value read from the source stream. 1319adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws EOFException 1320adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the end of the input is reached before the read 1321adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * request can be satisfied. 1322adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 1323adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 1324adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1325adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public float readFloat() throws IOException { 1326adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return primitiveTypes.readFloat(); 1327adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1328adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1329adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 13300eb70e31581a977afa5df3292d1c96e42e548821Elliott Hughes * Reads bytes from the source stream into the byte array {@code dst}. 13310eb70e31581a977afa5df3292d1c96e42e548821Elliott Hughes * This method will block until {@code dst.length} bytes have been read. 1332f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 13330eb70e31581a977afa5df3292d1c96e42e548821Elliott Hughes * @param dst 1334adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the array in which to store the bytes read. 1335adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws EOFException 1336adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the end of the input is reached before the read 1337adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * request can be satisfied. 1338adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 1339adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 1340adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 13410eb70e31581a977afa5df3292d1c96e42e548821Elliott Hughes public void readFully(byte[] dst) throws IOException { 13420eb70e31581a977afa5df3292d1c96e42e548821Elliott Hughes primitiveTypes.readFully(dst); 1343adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1344adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1345adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 13460eb70e31581a977afa5df3292d1c96e42e548821Elliott Hughes * Reads {@code byteCount} bytes from the source stream into the byte array {@code dst}. 1347f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 13480eb70e31581a977afa5df3292d1c96e42e548821Elliott Hughes * @param dst 1349adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the byte array in which to store the bytes read. 1350adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param offset 13510eb70e31581a977afa5df3292d1c96e42e548821Elliott Hughes * the initial position in {@code dst} to store the bytes 1352adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * read from the source stream. 13530eb70e31581a977afa5df3292d1c96e42e548821Elliott Hughes * @param byteCount 13540eb70e31581a977afa5df3292d1c96e42e548821Elliott Hughes * the number of bytes to read. 1355adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws EOFException 1356adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the end of the input is reached before the read 1357adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * request can be satisfied. 1358adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 1359adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 1360adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 13610eb70e31581a977afa5df3292d1c96e42e548821Elliott Hughes public void readFully(byte[] dst, int offset, int byteCount) throws IOException { 13620eb70e31581a977afa5df3292d1c96e42e548821Elliott Hughes primitiveTypes.readFully(dst, offset, byteCount); 1363adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1364adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1365adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1366adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Walks the hierarchy of classes described by class descriptor 1367adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code classDesc} and reads the field values corresponding to 1368adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * fields declared by the corresponding class descriptor. The instance to 1369adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * store field values into is {@code object}. If the class 1370adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * (corresponding to class descriptor {@code classDesc}) defines 1371adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * private instance method {@code readObject} it will be used to load 1372adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * field values. 1373f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1374adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param object 1375adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Instance into which stored field values loaded. 1376adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param classDesc 1377adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * A class descriptor (an {@code ObjectStreamClass}) 1378adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * defining which fields should be loaded. 1379f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1380adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 1381adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO exception happened when reading the field values in 1382adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the hierarchy. 1383adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 1384adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If a class for one of the field types could not be found 1385adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws NotActiveException 1386adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If {@code defaultReadObject} is called from the wrong 1387adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * context. 1388f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1389adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see #defaultReadObject 1390adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see #readObject() 1391adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1392adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private void readHierarchy(Object object, ObjectStreamClass classDesc) 1393adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws IOException, ClassNotFoundException, NotActiveException { 1394adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // We can't be called from just anywhere. There are rules. 1395adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (object == null && mustResolve) { 1396adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw new NotActiveException(); 1397adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1398adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1399b854a55df2475a4e9acc96c271cd88da7559f019Elliott Hughes ArrayList<ObjectStreamClass> streamClassList = new ArrayList<ObjectStreamClass>(32); 1400adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectStreamClass nextStreamClass = classDesc; 1401adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project while (nextStreamClass != null) { 1402adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project streamClassList.add(0, nextStreamClass); 1403adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project nextStreamClass = nextStreamClass.getSuperclass(); 1404adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1405adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (object == null) { 14062543351c360bdfe0046e819dedb069f3724d703aJesse Wilson for (ObjectStreamClass objectStreamClass : streamClassList) { 14072543351c360bdfe0046e819dedb069f3724d703aJesse Wilson readObjectForClass(null, objectStreamClass); 1408adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1409adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 1410adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ArrayList<Class<?>> classList = new ArrayList<Class<?>>(32); 1411adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?> nextClass = object.getClass(); 1412adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project while (nextClass != null) { 1413adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?> testClass = nextClass.getSuperclass(); 1414adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (testClass != null) { 1415adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project classList.add(0, nextClass); 1416adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1417adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project nextClass = testClass; 1418adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1419adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project int lastIndex = 0; 14202543351c360bdfe0046e819dedb069f3724d703aJesse Wilson for (Class<?> superclass : classList) { 14212543351c360bdfe0046e819dedb069f3724d703aJesse Wilson int index = findStreamSuperclass(superclass, streamClassList, lastIndex); 1422adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (index == -1) { 14232543351c360bdfe0046e819dedb069f3724d703aJesse Wilson readObjectNoData(object, superclass, 14242543351c360bdfe0046e819dedb069f3724d703aJesse Wilson ObjectStreamClass.lookupStreamClass(superclass)); 1425adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 1426adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (int j = lastIndex; j <= index; j++) { 1427adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project readObjectForClass(object, streamClassList.get(j)); 1428adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1429adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project lastIndex = index + 1; 1430adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1431adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1432adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1433adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1434adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1435adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private int findStreamSuperclass(Class<?> cl, 1436adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ArrayList<ObjectStreamClass> classList, int lastIndex) { 1437adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectStreamClass objCl; 1438adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project String forName; 1439adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1440adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (int i = lastIndex; i < classList.size(); i++) { 1441adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project objCl = classList.get(i); 1442adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project forName = objCl.forClass().getName(); 1443adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1444adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (objCl.getName().equals(forName)) { 1445adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (cl.getName().equals(objCl.getName())) { 1446adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return i; 1447adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1448adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 1449adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // there was a class replacement 1450adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (cl.getName().equals(forName)) { 1451adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return i; 1452adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1453adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1454adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1455adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return -1; 1456adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1457adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1458f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson private void readObjectNoData(Object object, Class<?> cl, ObjectStreamClass classDesc) 1459adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws ObjectStreamException { 1460f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson if (!classDesc.isSerializable()) { 1461adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return; 1462adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1463f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson if (classDesc.hasMethodReadObjectNoData()){ 1464f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson final Method readMethod = classDesc.getMethodReadObjectNoData(); 1465adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project try { 14662543351c360bdfe0046e819dedb069f3724d703aJesse Wilson readMethod.invoke(object); 1467adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } catch (InvocationTargetException e) { 1468adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Throwable ex = e.getTargetException(); 1469adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (ex instanceof RuntimeException) { 1470adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw (RuntimeException) ex; 1471adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else if (ex instanceof Error) { 1472adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw (Error) ex; 1473adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1474adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw (ObjectStreamException) ex; 1475adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } catch (IllegalAccessException e) { 1476adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw new RuntimeException(e.toString()); 1477adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1478adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1479f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 1480adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1481adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1482adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private void readObjectForClass(Object object, ObjectStreamClass classDesc) 1483adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws IOException, ClassNotFoundException, NotActiveException { 1484adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Have to do this before calling defaultReadObject or anything that 1485adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // calls defaultReadObject 1486adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project currentObject = object; 1487adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project currentClass = classDesc; 1488adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1489adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project boolean hadWriteMethod = (classDesc.getFlags() & SC_WRITE_METHOD) > 0; 1490adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?> targetClass = classDesc.forClass(); 1491f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 1492adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project final Method readMethod; 1493adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (targetClass == null || !mustResolve) { 1494adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project readMethod = null; 1495adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 1496f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson readMethod = classDesc.getMethodReadObject(); 1497adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1498adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project try { 1499adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (readMethod != null) { 1500adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // We have to be able to fetch its value, even if it is private 1501adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project AccessController.doPrivileged(new PriviAction<Object>( 1502adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project readMethod)); 1503adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project try { 15042543351c360bdfe0046e819dedb069f3724d703aJesse Wilson readMethod.invoke(object, this); 1505adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } catch (InvocationTargetException e) { 1506adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Throwable ex = e.getTargetException(); 1507adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (ex instanceof ClassNotFoundException) { 1508adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw (ClassNotFoundException) ex; 1509adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else if (ex instanceof RuntimeException) { 1510adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw (RuntimeException) ex; 1511adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else if (ex instanceof Error) { 1512adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw (Error) ex; 1513adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1514adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw (IOException) ex; 1515adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } catch (IllegalAccessException e) { 1516adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw new RuntimeException(e.toString()); 1517adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1518adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 1519adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project defaultReadObject(); 1520adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1521adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (hadWriteMethod) { 1522adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project discardData(); 1523adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1524adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } finally { 1525adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Cleanup, needs to run always so that we can later detect invalid 1526adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // calls to defaultReadObject 1527adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project currentObject = null; // We did not set this, so we do not need to 1528adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // clean it 1529adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project currentClass = null; 1530adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1531adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1532adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1533adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1534adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads an integer (32 bit) from the source stream. 1535f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1536adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the integer value read from the source stream. 1537adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws EOFException 1538adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the end of the input is reached before the read 1539adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * request can be satisfied. 1540adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 1541adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 1542adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1543adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public int readInt() throws IOException { 1544adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return primitiveTypes.readInt(); 1545adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1546adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1547adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1548f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * Reads the next line from the source stream. Lines are terminated by 1549adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code '\r'}, {@code '\n'}, {@code "\r\n"} or an {@code EOF}. 1550f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1551adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the string read from the source stream. 1552adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 1553adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 1554adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @deprecated Use {@link BufferedReader} 1555adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1556adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project @Deprecated 1557adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public String readLine() throws IOException { 1558adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return primitiveTypes.readLine(); 1559adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1560adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1561adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1562adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads a long (64 bit) from the source stream. 1563f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1564adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the long value read from the source stream. 1565adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws EOFException 1566adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the end of the input is reached before the read 1567adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * request can be satisfied. 1568adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 1569adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 1570adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1571adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public long readLong() throws IOException { 1572adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return primitiveTypes.readLong(); 1573adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1574adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1575adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1576adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Read a new array from the receiver. It is assumed the array has not been 1577adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * read yet (not a cyclic reference). Return the array read. 1578f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1579adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param unshared 1580adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * read the object unshared 1581adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the array read 1582f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1583adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 1584adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO exception happened when reading the array. 1585adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 1586adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If a class for one of the objects could not be found 1587adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws OptionalDataException 1588adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If optional data could not be found when reading the array. 1589adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1590adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private Object readNewArray(boolean unshared) throws OptionalDataException, 1591adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ClassNotFoundException, IOException { 1592adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectStreamClass classDesc = readClassDesc(); 1593adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1594adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (classDesc == null) { 15952543351c360bdfe0046e819dedb069f3724d703aJesse Wilson throw missingClassDescriptor(); 1596adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1597adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1598f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson Integer newHandle = nextHandle(); 1599adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1600adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Array size 1601adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project int size = input.readInt(); 1602adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?> arrayClass = classDesc.forClass(); 1603adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?> componentType = arrayClass.getComponentType(); 1604adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Object result = Array.newInstance(componentType, size); 1605adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1606adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project registerObjectRead(result, newHandle, unshared); 1607adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1608adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Now we have code duplication just because Java is typed. We have to 1609adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // read N elements and assign to array positions, but we must typecast 1610adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // the array first, and also call different methods depending on the 1611adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // elements. 1612adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (componentType.isPrimitive()) { 1613adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (componentType == Integer.TYPE) { 1614adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project int[] intArray = (int[]) result; 1615adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (int i = 0; i < size; i++) { 1616adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project intArray[i] = input.readInt(); 1617adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1618adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else if (componentType == Byte.TYPE) { 1619adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project byte[] byteArray = (byte[]) result; 1620adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project input.readFully(byteArray, 0, size); 1621adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else if (componentType == Character.TYPE) { 1622adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project char[] charArray = (char[]) result; 1623adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (int i = 0; i < size; i++) { 1624adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project charArray[i] = input.readChar(); 1625adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1626adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else if (componentType == Short.TYPE) { 1627adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project short[] shortArray = (short[]) result; 1628adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (int i = 0; i < size; i++) { 1629adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project shortArray[i] = input.readShort(); 1630adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1631adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else if (componentType == Boolean.TYPE) { 1632adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project boolean[] booleanArray = (boolean[]) result; 1633adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (int i = 0; i < size; i++) { 1634adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project booleanArray[i] = input.readBoolean(); 1635adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1636adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else if (componentType == Long.TYPE) { 1637adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project long[] longArray = (long[]) result; 1638adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (int i = 0; i < size; i++) { 1639adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project longArray[i] = input.readLong(); 1640adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1641adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else if (componentType == Float.TYPE) { 1642adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project float[] floatArray = (float[]) result; 1643adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (int i = 0; i < size; i++) { 1644adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project floatArray[i] = input.readFloat(); 1645adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1646adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else if (componentType == Double.TYPE) { 1647adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project double[] doubleArray = (double[]) result; 1648adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (int i = 0; i < size; i++) { 1649adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project doubleArray[i] = input.readDouble(); 1650adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1651adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 1652b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw new ClassNotFoundException("Wrong base type in " + classDesc.getName()); 1653adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1654adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 1655adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Array of Objects 1656adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Object[] objectArray = (Object[]) result; 1657adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (int i = 0; i < size; i++) { 1658f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // TODO: This place is the opportunity for enhancement 1659f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // We can implement writing elements through fast-path, 1660f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // without setting up the context (see readObject()) for 1661f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // each element with public API 1662adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project objectArray[i] = readObject(); 1663adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1664adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1665adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (enableResolve) { 1666adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project result = resolveObject(result); 1667adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project registerObjectRead(result, newHandle, false); 1668adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1669adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return result; 1670adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1671adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1672adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1673adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads a new class from the receiver. It is assumed the class has not been 1674adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * read yet (not a cyclic reference). Return the class read. 1675f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1676adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param unshared 1677adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * read the object unshared 1678adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return The {@code java.lang.Class} read from the stream. 1679f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1680adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 1681adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO exception happened when reading the class. 1682adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 1683adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If a class for one of the objects could not be found 1684adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1685b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes private Class<?> readNewClass(boolean unshared) throws ClassNotFoundException, IOException { 1686adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectStreamClass classDesc = readClassDesc(); 1687b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes if (classDesc == null) { 16882543351c360bdfe0046e819dedb069f3724d703aJesse Wilson throw missingClassDescriptor(); 1689b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes } 1690b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes Class<?> localClass = classDesc.forClass(); 1691b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes if (localClass != null) { 1692b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes registerObjectRead(localClass, nextHandle(), unshared); 1693adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1694b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes return localClass; 1695adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1696adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1697adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /* 1698adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * read class type for Enum, note there's difference between enum and normal 1699adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * classes 1700adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1701adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private ObjectStreamClass readEnumDesc() throws IOException, 1702adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ClassNotFoundException { 1703adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project byte tc = nextTC(); 1704adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project switch (tc) { 1705adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_CLASSDESC: 1706adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readEnumDescInternal(); 1707adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_REFERENCE: 1708adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return (ObjectStreamClass) readCyclicReference(); 1709adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_NULL: 1710adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return null; 1711adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project default: 1712b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw corruptStream(tc); 1713adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1714adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1715adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1716adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private ObjectStreamClass readEnumDescInternal() throws IOException, 1717adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ClassNotFoundException { 1718adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectStreamClass classDesc; 1719adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project primitiveData = input; 1720adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Integer oldHandle = descriptorHandle; 1721f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson descriptorHandle = nextHandle(); 1722adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project classDesc = readClassDescriptor(); 1723f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson registerObjectRead(classDesc, descriptorHandle, false); 1724adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project descriptorHandle = oldHandle; 1725adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project primitiveData = emptyStream; 1726adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project classDesc.setClass(resolveClass(classDesc)); 1727adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Consume unread class annotation data and TC_ENDBLOCKDATA 1728adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project discardData(); 1729adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectStreamClass superClass = readClassDesc(); 1730adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project checkedSetSuperClassDesc(classDesc, superClass); 1731adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Check SUIDs, note all SUID for Enum is 0L 1732b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes if (0L != classDesc.getSerialVersionUID() || 0L != superClass.getSerialVersionUID()) { 1733b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw new InvalidClassException(superClass.getName(), 1734b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes "Incompatible class (SUID): " + superClass + " but expected " + superClass); 1735adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1736adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project byte tc = nextTC(); 1737adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // discard TC_ENDBLOCKDATA after classDesc if any 1738adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (tc == TC_ENDBLOCKDATA) { 1739adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // read next parent class. For enum, it may be null 1740adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project superClass.setSuperclass(readClassDesc()); 1741adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 1742adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // not TC_ENDBLOCKDATA, push back for next read 1743adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project pushbackTC(); 1744adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1745adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return classDesc; 1746adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1747adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1748adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project @SuppressWarnings("unchecked")// For the Enum.valueOf call 1749adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private Object readEnum(boolean unshared) throws OptionalDataException, 1750adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ClassNotFoundException, IOException { 1751adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // read classdesc for Enum first 1752adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectStreamClass classDesc = readEnumDesc(); 1753f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson Integer newHandle = nextHandle(); 1754adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // read name after class desc 1755adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project String name; 1756adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project byte tc = nextTC(); 1757adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project switch (tc) { 1758adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_REFERENCE: 1759adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (unshared) { 1760adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project readNewHandle(); 1761b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw new InvalidObjectException("Unshared read of back reference"); 1762adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1763adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project name = (String) readCyclicReference(); 1764adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project break; 1765adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project case TC_STRING: 1766adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project name = (String) readNewString(unshared); 1767adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project break; 1768adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project default: 1769b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw corruptStream(tc); 1770adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1771adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1772adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Enum<?> result = Enum.valueOf((Class) classDesc.forClass(), name); 1773adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project registerObjectRead(result, newHandle, unshared); 1774adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1775adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return result; 1776adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1777adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1778adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1779adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads a new class descriptor from the receiver. It is assumed the class 1780adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * descriptor has not been read yet (not a cyclic reference). Return the 1781adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * class descriptor read. 1782f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1783adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param unshared 1784adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * read the object unshared 1785adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return The {@code ObjectStreamClass} read from the stream. 1786f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1787adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 1788adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO exception happened when reading the class 1789adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * descriptor. 1790adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 1791adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If a class for one of the objects could not be found 1792adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1793adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private ObjectStreamClass readNewClassDesc(boolean unshared) 1794adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws ClassNotFoundException, IOException { 1795adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // So read...() methods can be used by 1796adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // subclasses during readClassDescriptor() 1797adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project primitiveData = input; 1798adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Integer oldHandle = descriptorHandle; 1799f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson descriptorHandle = nextHandle(); 1800adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectStreamClass newClassDesc = readClassDescriptor(); 1801f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson registerObjectRead(newClassDesc, descriptorHandle, unshared); 1802adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project descriptorHandle = oldHandle; 1803adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project primitiveData = emptyStream; 1804adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1805adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // We need to map classDesc to class. 1806adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project try { 1807adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project newClassDesc.setClass(resolveClass(newClassDesc)); 1808f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // Check SUIDs & base name of the class 1809f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson verifyAndInit(newClassDesc); 1810adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } catch (ClassNotFoundException e) { 1811adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (mustResolve) { 1812adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw e; 1813adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Just continue, the class may not be required 1814adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1815adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1816adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1817adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Resolve the field signatures using the class loader of the 1818adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // resolved class 1819adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectStreamField[] fields = newClassDesc.getLoadFields(); 18207d0d108593ac30e19b8f2a5a157f697f3f46c041Elliott Hughes fields = (null == fields ? ObjectStreamClass.NO_FIELDS : fields); 1821adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ClassLoader loader = newClassDesc.forClass() == null ? callerClassLoader 1822adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project : newClassDesc.forClass().getClassLoader(); 1823adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (ObjectStreamField element : fields) { 1824adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project element.resolve(loader); 1825adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1826adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1827adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Consume unread class annotation data and TC_ENDBLOCKDATA 1828adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project discardData(); 1829adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project checkedSetSuperClassDesc(newClassDesc, readClassDesc()); 1830adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return newClassDesc; 1831adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1832adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1833adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1834adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads a new proxy class descriptor from the receiver. It is assumed the 1835adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * proxy class descriptor has not been read yet (not a cyclic reference). 1836adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Return the proxy class descriptor read. 1837f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1838adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return The {@code Class} read from the stream. 1839f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1840adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 1841adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO exception happened when reading the class 1842adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * descriptor. 1843adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 1844adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If a class for one of the objects could not be found 1845adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1846adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private Class<?> readNewProxyClassDesc() throws ClassNotFoundException, 1847adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project IOException { 1848adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project int count = input.readInt(); 1849adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project String[] interfaceNames = new String[count]; 1850adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (int i = 0; i < count; i++) { 1851adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project interfaceNames[i] = input.readUTF(); 1852adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1853adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?> proxy = resolveProxyClass(interfaceNames); 1854adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Consume unread class annotation data and TC_ENDBLOCKDATA 1855adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project discardData(); 1856adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return proxy; 1857adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1858adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1859adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1860adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads a class descriptor from the source stream. 1861f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1862adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the class descriptor read from the source stream. 1863adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 1864adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if a class for one of the objects cannot be found. 1865adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 1866adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 1867adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 186803c0a8e681c776fdba0389ab8593282139afc6d6Elliott Hughes protected ObjectStreamClass readClassDescriptor() throws IOException, ClassNotFoundException { 1869adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectStreamClass newClassDesc = new ObjectStreamClass(); 1870adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project String name = input.readUTF(); 1871f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson if (name.length() == 0) { 187203c0a8e681c776fdba0389ab8593282139afc6d6Elliott Hughes throw new IOException("The stream is corrupted"); 1873adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1874adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project newClassDesc.setName(name); 1875adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project newClassDesc.setSerialVersionUID(input.readLong()); 1876adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project newClassDesc.setFlags(input.readByte()); 1877adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1878f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson /* 1879f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * We must register the class descriptor before reading field 1880f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * descriptors. If called outside of readObject, the descriptorHandle 1881f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * might be null. 1882f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson */ 1883f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson descriptorHandle = (null == descriptorHandle ? nextHandle() : descriptorHandle); 1884adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project registerObjectRead(newClassDesc, descriptorHandle, false); 1885adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1886adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project readFieldDescriptors(newClassDesc); 1887adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return newClassDesc; 1888adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1889adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1890adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1891adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Creates the proxy class that implements the interfaces specified in 1892adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * {@code interfaceNames}. 1893f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1894adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param interfaceNames 1895adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the interfaces used to create the proxy class. 1896adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the proxy class. 1897adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 1898adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the proxy class or any of the specified interfaces cannot 1899adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * be created. 1900adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 1901adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 1902adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see ObjectOutputStream#annotateProxyClass(Class) 1903adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1904adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project protected Class<?> resolveProxyClass(String[] interfaceNames) 1905adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws IOException, ClassNotFoundException { 1906f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // TODO: This method is opportunity for performance enhancement 1907f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // We can cache the classloader and recently used interfaces. 1908f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // BEGIN android-changed 1909adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // ClassLoader loader = VM.getNonBootstrapClassLoader(); 1910adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ClassLoader loader = ClassLoader.getSystemClassLoader(); 1911f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // END android-changed 1912adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?>[] interfaces = new Class<?>[interfaceNames.length]; 1913adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (int i = 0; i < interfaceNames.length; i++) { 1914adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project interfaces[i] = Class.forName(interfaceNames[i], false, loader); 1915adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1916adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project try { 1917adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return Proxy.getProxyClass(loader, interfaces); 1918adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } catch (IllegalArgumentException e) { 1919adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw new ClassNotFoundException(e.toString(), e); 1920adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1921adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1922adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1923adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 1924adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Write a new handle describing a cyclic reference from the stream. 1925f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1926adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the handle read 1927f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 1928adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 1929adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO exception happened when reading the handle 1930adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 1931f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson private int readNewHandle() throws IOException { 1932f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson return input.readInt(); 1933adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1934adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1935f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson private Class<?> resolveConstructorClass(Class<?> objectClass, boolean wasSerializable, boolean wasExternalizable) 1936f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson throws OptionalDataException, ClassNotFoundException, IOException { 1937adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1938adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // The class of the instance may not be the same as the class of the 1939adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // constructor to run 1940adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // This is the constructor to run if Externalizable 1941adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?> constructorClass = objectClass; 1942adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1943adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // WARNING - What if the object is serializable and externalizable ? 1944adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Is that possible ? 1945adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (wasSerializable) { 1946adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Now we must run the constructor of the class just above the 1947adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // one that implements Serializable so that slots that were not 1948adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // dumped can be initialized properly 1949adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project while (constructorClass != null 1950adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project && ObjectStreamClass.isSerializable(constructorClass)) { 1951adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project constructorClass = constructorClass.getSuperclass(); 1952adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1953adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1954adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1955adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Fetch the empty constructor, or null if none. 1956adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Constructor<?> constructor = null; 1957adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (constructorClass != null) { 1958adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project try { 1959693eacca9fa67ad79d1b35dbaad61c5ac1ac457cElliott Hughes constructor = constructorClass.getDeclaredConstructor(EmptyArray.CLASS); 1960adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } catch (NoSuchMethodException nsmEx) { 1961adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Ignored 1962adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1963adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1964adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1965adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Has to have an empty constructor 1966adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (constructor == null) { 19672543351c360bdfe0046e819dedb069f3724d703aJesse Wilson String className = constructorClass != null ? constructorClass.getName() : null; 19682543351c360bdfe0046e819dedb069f3724d703aJesse Wilson throw new InvalidClassException(className, "IllegalAccessException"); 1969adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1970adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1971adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project int constructorModifiers = constructor.getModifiers(); 1972adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1973adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Now we must check if the empty constructor is visible to the 1974adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // instantiation class 1975adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (Modifier.isPrivate(constructorModifiers) 1976b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes || (wasExternalizable && !Modifier.isPublic(constructorModifiers))) { 1977b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw new InvalidClassException(constructorClass.getName(), 1978b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes "IllegalAccessException"); 1979adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1980adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1981adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // We know we are testing from a subclass, so the only other case 1982adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // where the visibility is not allowed is when the constructor has 1983adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // default visibility and the instantiation class is in a different 1984adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // package than the constructor class 1985adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (!Modifier.isPublic(constructorModifiers) 1986adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project && !Modifier.isProtected(constructorModifiers)) { 1987adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Not public, not private and not protected...means default 1988adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // visibility. Check if same package 1989adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (!inSamePackage(constructorClass, objectClass)) { 1990adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw new InvalidClassException(constructorClass.getName(), 1991b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes "IllegalAccessException"); 1992adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1993adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 1994adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 1995f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson return constructorClass; 1996f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson } 1997f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 1998f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson /** 1999f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * Read a new object from the stream. It is assumed the object has not been 2000f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * loaded yet (not a cyclic reference). Return the object read. 2001f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2002f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * If the object implements <code>Externalizable</code> its 2003f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * <code>readExternal</code> is called. Otherwise, all fields described by 2004f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * the class hierarchy are loaded. Each class can define how its declared 2005f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * instance fields are loaded by defining a private method 2006f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * <code>readObject</code> 2007f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2008f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * @param unshared 2009f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * read the object unshared 2010f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * @return the object read 2011f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2012f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * @throws IOException 2013f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * If an IO exception happened when reading the object. 2014f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * @throws OptionalDataException 2015f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * If optional data could not be found when reading the object 2016f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * graph 2017f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * @throws ClassNotFoundException 2018f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * If a class for one of the objects could not be found 2019f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson */ 2020f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson private Object readNewObject(boolean unshared) 2021f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson throws OptionalDataException, ClassNotFoundException, IOException { 2022f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson ObjectStreamClass classDesc = readClassDesc(); 2023f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 2024f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson if (classDesc == null) { 2025b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw missingClassDescriptor(); 2026f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson } 2027f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 2028f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson Integer newHandle = nextHandle(); 2029f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 2030f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // Note that these values come from the Stream, and in fact it could be 2031f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // that the classes have been changed so that the info below now 2032f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // conflicts with the newer class 2033f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson boolean wasExternalizable = (classDesc.getFlags() & SC_EXTERNALIZABLE) > 0; 2034f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson boolean wasSerializable = (classDesc.getFlags() & SC_SERIALIZABLE) > 0; 2035f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 2036f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 2037f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // Maybe we should cache the values above in classDesc ? It may be the 2038f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // case that when reading classDesc we may need to read more stuff 2039f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // depending on the values above 2040f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson Class<?> objectClass = classDesc.forClass(); 2041f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 2042f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson Object result, registeredResult = null; 2043f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson if (objectClass != null) { 2044f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson Class constructorClass = resolveConstructorClass(objectClass, wasSerializable, wasExternalizable); 2045f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 2046adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Now we know which class to instantiate and which constructor to 2047adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // run. We are allowed to run the constructor. 2048f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // BEGIN android-changed 2049f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // result = accessor.newInstance(objectClass, constructor, null); 2050adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project result = newInstance(objectClass, constructorClass); 2051f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // END android-changed 2052adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project registerObjectRead(result, newHandle, unshared); 2053adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2054adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project registeredResult = result; 2055adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 2056adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project result = null; 2057adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2058adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2059adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project try { 2060adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // This is how we know what to do in defaultReadObject. And it is 2061adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // also used by defaultReadObject to check if it was called from an 2062adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // invalid place. It also allows readExternal to call 2063adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // defaultReadObject and have it work. 2064adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project currentObject = result; 2065adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project currentClass = classDesc; 2066adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2067adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // If Externalizable, just let the object read itself 2068adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (wasExternalizable) { 2069adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project boolean blockData = (classDesc.getFlags() & SC_BLOCK_DATA) > 0; 2070adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (!blockData) { 2071adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project primitiveData = input; 2072adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2073adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (mustResolve) { 2074adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Externalizable extern = (Externalizable) result; 2075adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project extern.readExternal(this); 2076adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2077adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (blockData) { 2078adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Similar to readHierarchy. Anything not read by 2079adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // readExternal has to be consumed here 2080adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project discardData(); 2081adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 2082adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project primitiveData = emptyStream; 2083adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2084adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 2085adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // If we got here, it is Serializable but not Externalizable. 2086adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Walk the hierarchy reading each class' slots 2087adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project readHierarchy(result, classDesc); 2088adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2089adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } finally { 2090adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Cleanup, needs to run always so that we can later detect invalid 2091adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // calls to defaultReadObject 2092adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project currentObject = null; 2093adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project currentClass = null; 2094adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2095adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2096adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (objectClass != null) { 2097f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 2098f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson if (classDesc.hasMethodReadResolve()){ 2099f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson Method methodReadResolve = classDesc.getMethodReadResolve(); 2100f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson try { 2101f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson result = methodReadResolve.invoke(result, (Object[]) null); 21022543351c360bdfe0046e819dedb069f3724d703aJesse Wilson } catch (IllegalAccessException ignored) { 2103f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson } catch (InvocationTargetException ite) { 2104f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson Throwable target = ite.getTargetException(); 2105f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson if (target instanceof ObjectStreamException) { 2106f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson throw (ObjectStreamException) target; 2107f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson } else if (target instanceof Error) { 2108f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson throw (Error) target; 2109adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 2110f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson throw (RuntimeException) target; 2111adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2112adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2113f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 2114adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2115adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2116adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // We get here either if class-based replacement was not needed or if it 2117adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // was needed but produced the same object or if it could not be 2118adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // computed. 2119adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2120adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // The object to return is the one we instantiated or a replacement for 2121adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // it 2122adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (result != null && enableResolve) { 2123adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project result = resolveObject(result); 2124adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2125adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (registeredResult != result) { 2126adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project registerObjectRead(result, newHandle, unshared); 2127adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2128adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return result; 2129adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2130adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2131b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes private InvalidClassException missingClassDescriptor() throws InvalidClassException { 2132b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw new InvalidClassException("Read null attempting to read class descriptor for object"); 2133b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes } 2134b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes 2135adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2136adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Read a string encoded in {@link DataInput modified UTF-8} from the 2137adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * receiver. Return the string read. 2138f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2139adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param unshared 2140adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * read the object unshared 2141adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the string just read. 2142adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 2143adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO exception happened when reading the String. 2144adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2145adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private Object readNewString(boolean unshared) throws IOException { 2146adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Object result = input.readUTF(); 2147adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (enableResolve) { 2148adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project result = resolveObject(result); 2149adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2150d21d78fd49a2d798218e8c8aefbddb26a0e71bbbElliott Hughes registerObjectRead(result, nextHandle(), unshared); 2151adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2152adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return result; 2153adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2154adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2155adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2156adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Read a new String in UTF format from the receiver. Return the string 2157adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * read. 2158f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2159adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param unshared 2160adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * read the object unshared 2161adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the string just read. 2162f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2163adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 2164adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If an IO exception happened when reading the String. 2165adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2166adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private Object readNewLongString(boolean unshared) throws IOException { 2167adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project long length = input.readLong(); 2168adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Object result = input.decodeUTF((int) length); 2169adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (enableResolve) { 2170adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project result = resolveObject(result); 2171adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2172f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson registerObjectRead(result, nextHandle(), unshared); 2173adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2174adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return result; 2175adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2176adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2177adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2178adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads the next object from the source stream. 2179f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2180adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the object read from the source stream. 2181adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 2182adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the class of one of the objects in the object graph cannot 2183adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * be found. 2184adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 2185adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 2186adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws OptionalDataException 2187adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if primitive data types were found instead of an object. 2188adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see ObjectOutputStream#writeObject(Object) 2189adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2190adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public final Object readObject() throws OptionalDataException, 2191adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ClassNotFoundException, IOException { 2192adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readObject(false); 2193adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2194adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2195adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2196adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads the next unshared object from the source stream. 2197f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2198adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the new object read. 2199adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 2200adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the class of one of the objects in the object graph cannot 2201adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * be found. 2202adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 2203adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 2204adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see ObjectOutputStream#writeUnshared 2205adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2206adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public Object readUnshared() throws IOException, ClassNotFoundException { 2207adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readObject(true); 2208adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2209adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2210adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private Object readObject(boolean unshared) throws OptionalDataException, 2211adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ClassNotFoundException, IOException { 2212adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project boolean restoreInput = (primitiveData == input); 2213adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (restoreInput) { 2214adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project primitiveData = emptyStream; 2215adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2216adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2217adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // This is the spec'ed behavior in JDK 1.2. Very bizarre way to allow 2218adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // behavior overriding. 2219adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (subclassOverridingImplementation && !unshared) { 2220adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return readObjectOverride(); 2221adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2222adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2223adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // If we still had primitive types to read, should we discard them 2224adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // (reset the primitiveTypes stream) or leave as is, so that attempts to 2225adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // read primitive types won't read 'past data' ??? 2226adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Object result; 2227adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project try { 2228adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // We need this so we can tell when we are returning to the 2229adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // original/outside caller 2230adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (++nestedLevels == 1) { 2231adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Remember the caller's class loader 2232adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // BEGIN android-changed 2233adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project callerClassLoader = getClosestUserClassLoader(); 2234adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // END android-changed 2235adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2236adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2237adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project result = readNonPrimitiveContent(unshared); 2238adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (restoreInput) { 2239adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project primitiveData = input; 2240adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2241adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } finally { 2242adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // We need this so we can tell when we are returning to the 2243adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // original/outside caller 2244adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (--nestedLevels == 0) { 2245adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // We are going to return to the original caller, perform 2246adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // cleanups. 2247adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // No more need to remember the caller's class loader 2248adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project callerClassLoader = null; 2249adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2250adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2251adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2252adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Done reading this object. Is it time to return to the original 2253adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // caller? If so we need to perform validations first. 2254adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (nestedLevels == 0 && validations != null) { 2255adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // We are going to return to the original caller. If validation is 2256adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // enabled we need to run them now and then cleanup the validation 2257adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // collection 2258adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project try { 2259adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (InputValidationDesc element : validations) { 2260adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project element.validator.validateObject(); 2261adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2262adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } finally { 2263adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Validations have to be renewed, since they are only called 2264adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // from readObject 2265adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project validations = null; 2266adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2267adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2268adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return result; 2269adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2270adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2271adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // BEGIN android-added 2272adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private static final ClassLoader bootstrapLoader 2273adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project = Object.class.getClassLoader(); 2274adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private static final ClassLoader systemLoader 2275adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project = ClassLoader.getSystemClassLoader(); 2276adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2277adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2278adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Searches up the call stack to find the closest user-defined class loader. 2279adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * 2280adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return a user-defined class loader or null if one isn't found 2281adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2282adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private static ClassLoader getClosestUserClassLoader() { 2283adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?>[] stackClasses = VMStack.getClasses(-1, false); 2284adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (Class<?> stackClass : stackClasses) { 2285adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ClassLoader loader = stackClass.getClassLoader(); 2286adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (loader != null && loader != bootstrapLoader 2287adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project && loader != systemLoader) { 2288adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return loader; 2289adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2290adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2291adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return null; 2292adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2293adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // END android-added 2294adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2295adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 22962543351c360bdfe0046e819dedb069f3724d703aJesse Wilson * Method to be overridden by subclasses to read the next object from the 2297adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * source stream. 2298f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2299adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the object read from the source stream. 2300adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 2301adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the class of one of the objects in the object graph cannot 2302adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * be found. 2303adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 2304adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 2305adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws OptionalDataException 2306adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if primitive data types were found instead of an object. 2307adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see ObjectOutputStream#writeObjectOverride 2308adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2309adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project protected Object readObjectOverride() throws OptionalDataException, 2310adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ClassNotFoundException, IOException { 2311adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (input == null) { 2312adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return null; 2313adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2314adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Subclasses must override. 2315adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw new IOException(); 2316adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2317adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2318adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2319adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads a short (16 bit) from the source stream. 2320f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2321adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the short value read from the source stream. 2322adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 2323adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 2324adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2325adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public short readShort() throws IOException { 2326adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return primitiveTypes.readShort(); 2327adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2328adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2329adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2330adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads and validates the ObjectInputStream header from the source stream. 2331f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2332adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 2333adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 2334adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws StreamCorruptedException 2335adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the source stream does not contain readable serialized 2336adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * objects. 2337adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2338adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project protected void readStreamHeader() throws IOException, 2339adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project StreamCorruptedException { 2340adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (input.readShort() == STREAM_MAGIC 2341adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project && input.readShort() == STREAM_VERSION) { 2342adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return; 2343adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2344adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw new StreamCorruptedException(); 2345adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2346adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2347adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2348adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads an unsigned byte (8 bit) from the source stream. 2349f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2350adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the unsigned byte value read from the source stream packaged in 2351adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * an integer. 2352adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws EOFException 2353adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the end of the input is reached before the read 2354adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * request can be satisfied. 2355adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 2356adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 2357adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2358adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public int readUnsignedByte() throws IOException { 2359adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return primitiveTypes.readUnsignedByte(); 2360adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2361adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2362adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2363adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads an unsigned short (16 bit) from the source stream. 2364f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2365adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the unsigned short value read from the source stream packaged in 2366adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * an integer. 2367adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws EOFException 2368adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the end of the input is reached before the read 2369adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * request can be satisfied. 2370adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 2371adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 2372adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2373adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public int readUnsignedShort() throws IOException { 2374adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return primitiveTypes.readUnsignedShort(); 2375adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2376adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2377adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2378adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reads a string encoded in {@link DataInput modified UTF-8} from the 2379adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * source stream. 2380f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2381adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the string encoded in {@link DataInput modified UTF-8} read from 2382adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the source stream. 2383adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws EOFException 2384adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the end of the input is reached before the read 2385adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * request can be satisfied. 2386adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 2387adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while reading from the source stream. 2388adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2389adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public String readUTF() throws IOException { 2390adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return primitiveTypes.readUTF(); 2391adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2392adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2393adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2394adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Return the object previously read tagged with handle {@code handle}. 2395f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2396adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param handle 2397adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * The handle that this object was assigned when it was read. 2398adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the object previously read. 2399f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2400adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws InvalidObjectException 2401adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If there is no previously read object with this handle 2402adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2403b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes private Object registeredObjectRead(Integer handle) throws InvalidObjectException { 2404adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Object res = objectsRead.get(handle); 2405adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (res == UNSHARED_OBJ) { 2406b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw new InvalidObjectException("Cannot read back reference to unshared object"); 2407adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2408adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return res; 2409adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2410adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2411adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2412adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Assume object {@code obj} has been read, and assign a handle to 2413adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * it, {@code handle}. 2414f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2415adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param obj 2416adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Non-null object being loaded. 2417adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param handle 2418adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * An Integer, the handle to this object 2419adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param unshared 2420adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Boolean, indicates that caller is reading in unshared mode 2421f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2422adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see #nextHandle 2423adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2424adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private void registerObjectRead(Object obj, Integer handle, boolean unshared) { 2425adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project objectsRead.put(handle, unshared ? UNSHARED_OBJ : obj); 2426adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2427adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2428adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2429adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Registers a callback for post-deserialization validation of objects. It 2430adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * allows to perform additional consistency checks before the {@code 2431adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * readObject()} method of this class returns its result to the caller. This 2432adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * method can only be called from within the {@code readObject()} method of 2433adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * a class that implements "special" deserialization rules. It can be called 2434adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * multiple times. Validation callbacks are then done in order of decreasing 2435adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * priority, defined by {@code priority}. 2436f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2437adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param object 2438adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * an object that can validate itself by receiving a callback. 2439adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param priority 2440adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the validator's priority. 2441adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws InvalidObjectException 2442adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if {@code object} is {@code null}. 2443adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws NotActiveException 2444adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if this stream is currently not reading objects. In that 2445adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * case, calling this method is not allowed. 2446adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see ObjectInputValidation#validateObject() 2447adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2448adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public synchronized void registerValidation(ObjectInputValidation object, 2449adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project int priority) throws NotActiveException, InvalidObjectException { 2450adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Validation can only be registered when inside readObject calls 2451adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Object instanceBeingRead = this.currentObject; 2452adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2453adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // We can't be called from just anywhere. There are rules. 2454f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson if (instanceBeingRead == null && nestedLevels == 0) { 2455adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw new NotActiveException(); 2456adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2457adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (object == null) { 2458b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw new InvalidObjectException("Callback object cannot be null"); 2459adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2460adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // From now on it is just insertion in a SortedCollection. Since 2461adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // the Java class libraries don't provide that, we have to 2462adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // implement it from scratch here. 2463adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project InputValidationDesc desc = new InputValidationDesc(); 2464adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project desc.validator = object; 2465adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project desc.priority = priority; 2466adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // No need for this, validateObject does not take a parameter 2467adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // desc.toValidate = instanceBeingRead; 2468adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (validations == null) { 2469adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project validations = new InputValidationDesc[1]; 2470adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project validations[0] = desc; 2471adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } else { 2472adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project int i = 0; 2473adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project for (; i < validations.length; i++) { 2474adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project InputValidationDesc validation = validations[i]; 2475adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Sorted, higher priority first. 2476adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (priority >= validation.priority) { 2477adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project break; // Found the index where to insert 2478adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2479adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2480adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project InputValidationDesc[] oldValidations = validations; 2481adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project int currentSize = oldValidations.length; 2482adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project validations = new InputValidationDesc[currentSize + 1]; 2483adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project System.arraycopy(oldValidations, 0, validations, 0, i); 2484adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project System.arraycopy(oldValidations, i, validations, i + 1, currentSize 2485adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project - i); 2486adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project validations[i] = desc; 2487adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2488adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2489adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2490adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2491adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reset the collection of objects already loaded by the receiver. 2492adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2493adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private void resetSeenObjects() { 2494f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson objectsRead = new HashMap<Integer, Object>(); 24952543351c360bdfe0046e819dedb069f3724d703aJesse Wilson nextHandle = baseWireHandle; 2496adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project primitiveData = emptyStream; 2497adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2498adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2499adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2500adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Reset the receiver. The collection of objects already read by the 2501adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * receiver is reset, and internal structures are also reset so that the 2502adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * receiver knows it is in a fresh clean state. 2503adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2504adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private void resetState() { 2505adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project resetSeenObjects(); 2506adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project hasPushbackTC = false; 2507adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project pushbackTC = 0; 2508adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // nestedLevels = 0; 2509adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2510adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2511adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2512adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Loads the Java class corresponding to the class descriptor {@code 2513adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * osClass} that has just been read from the source stream. 2514f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2515adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param osClass 2516adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * an ObjectStreamClass read from the source stream. 2517adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return a Class corresponding to the descriptor {@code osClass}. 2518adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws ClassNotFoundException 2519adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the class for an object cannot be found. 2520adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 2521adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an I/O error occurs while creating the class. 2522adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see ObjectOutputStream#annotateClass(Class) 2523adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2524adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project protected Class<?> resolveClass(ObjectStreamClass osClass) 2525adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws IOException, ClassNotFoundException { 2526f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // fastpath: obtain cached value 2527f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson Class<?> cls = osClass.forClass(); 2528adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (null == cls) { 2529f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // slowpath: resolve the class 2530f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson String className = osClass.getName(); 2531f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 2532f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // if it is primitive class, for example, long.class 2533f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson cls = PRIMITIVE_CLASSES.get(className); 2534f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 2535f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson if (null == cls) { 2536f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // not primitive class 2537f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // Use the first non-null ClassLoader on the stack. If null, use 2538f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson // the system class loader 2539f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson cls = Class.forName(className, true, callerClassLoader); 2540f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson } 2541adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2542adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return cls; 2543adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2544adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2545adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2546adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Allows trusted subclasses to substitute the specified original {@code 2547adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * object} with a new object. Object substitution has to be activated first 2548adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * with calling {@code enableResolveObject(true)}. This implementation just 2549adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * returns {@code object}. 2550f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2551adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param object 2552adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the original object for which a replacement may be defined. 2553adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the replacement object for {@code object}. 2554adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 2555adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if any I/O error occurs while creating the replacement 2556adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * object. 2557adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see #enableResolveObject 2558adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see ObjectOutputStream#enableReplaceObject 2559adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @see ObjectOutputStream#replaceObject 2560adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2561adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project protected Object resolveObject(Object object) throws IOException { 2562adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // By default no object replacement. Subclasses can override 2563adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return object; 2564adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2565adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2566adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2567adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * Skips {@code length} bytes on the source stream. This method should not 2568adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * be used to skip bytes at any arbitrary position, just when reading 2569adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * primitive data types (int, char etc). 2570f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2571adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param length 2572adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * the number of bytes to skip. 2573adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @return the number of bytes actually skipped. 2574adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws IOException 2575adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if an error occurs while skipping bytes on the source stream. 2576adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws NullPointerException 2577adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * if the source stream is {@code null}. 2578adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2579adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project public int skipBytes(int length) throws IOException { 2580adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // To be used with available. Ok to call if reading primitive buffer 2581adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (input == null) { 2582adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw new NullPointerException(); 2583adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2584adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2585adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project int offset = 0; 2586adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project while (offset < length) { 2587adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project checkReadPrimitiveTypes(); 2588adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project long skipped = primitiveData.skip(length - offset); 2589adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (skipped == 0) { 2590adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return offset; 2591adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2592adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project offset += (int) skipped; 2593adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2594adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return length; 2595adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2596adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2597adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project /** 2598f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * Verify if the SUID & the base name for descriptor 2599f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * <code>loadedStreamClass</code>matches 2600f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * the SUID & the base name of the corresponding loaded class and 2601f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * init private fields. 2602f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2603adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @param loadedStreamClass 2604adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * An ObjectStreamClass that was loaded from the stream. 2605f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson * 2606adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * @throws InvalidClassException 2607adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project * If the SUID of the stream class does not match the VM class 2608adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project */ 2609f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson private void verifyAndInit(ObjectStreamClass loadedStreamClass) 2610adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throws InvalidClassException { 2611f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 2612adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project Class<?> localClass = loadedStreamClass.forClass(); 2613adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectStreamClass localStreamClass = ObjectStreamClass 2614adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project .lookupStreamClass(localClass); 2615f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 2616adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (loadedStreamClass.getSerialVersionUID() != localStreamClass 2617adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project .getSerialVersionUID()) { 2618b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw new InvalidClassException(loadedStreamClass.getName(), 2619b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes "Incompatible class (SUID): " + loadedStreamClass + 2620b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes " but expected " + localStreamClass); 2621adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2622adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2623adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project String loadedClassBaseName = getBaseName(loadedStreamClass.getName()); 2624adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project String localClassBaseName = getBaseName(localStreamClass.getName()); 2625adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2626adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (!loadedClassBaseName.equals(localClassBaseName)) { 2627b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes throw new InvalidClassException(loadedStreamClass.getName(), 2628b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes String.format("Incompatible class (base name): %s but expected %s", 2629b1396870f92135aa140bd2b86221768dea5bc11dElliott Hughes loadedClassBaseName, localClassBaseName)); 2630adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2631f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson 2632f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson loadedStreamClass.initPrivateFields(localStreamClass); 2633adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2634adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2635adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private static String getBaseName(String fullName) { 2636f5597e626ecf7949d249dea08c1a2964d890ec11Jesse Wilson int k = fullName.lastIndexOf('.'); 2637adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2638adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (k == -1 || k == (fullName.length() - 1)) { 2639adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return fullName; 2640adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2641adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project return fullName.substring(k + 1); 2642adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2643adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project 2644adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project // Avoid recursive defining. 2645adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project private static void checkedSetSuperClassDesc(ObjectStreamClass desc, 2646adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project ObjectStreamClass superDesc) throws StreamCorruptedException { 2647adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project if (desc.equals(superDesc)) { 2648adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project throw new StreamCorruptedException(); 2649adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2650adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project desc.setSuperclass(superDesc); 2651adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project } 2652adc854b798c1cfe3bfd4c27d68d5cee38ca617daThe Android Open Source Project} 2653