151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski/* 251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Copyright (c) 1996, 2011, Oracle and/or its affiliates. All rights reserved. 351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * This code is free software; you can redistribute it and/or modify it 651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * under the terms of the GNU General Public License version 2 only, as 751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * published by the Free Software Foundation. Oracle designates this 851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * particular file as subject to the "Classpath" exception as provided 951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * by Oracle in the LICENSE file that accompanied this code. 1051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 1151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * This code is distributed in the hope that it will be useful, but WITHOUT 1251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 1351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 1451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * version 2 for more details (a copy is included in the LICENSE file that 1551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * accompanied this code). 1651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 1751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * You should have received a copy of the GNU General Public License version 1851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 2 along with this work; if not, write to the Free Software Foundation, 1951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 2051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 2151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 2251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * or visit www.oracle.com if you need additional information or have any 2351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * questions. 2451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 2551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 2651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskipackage java.io; 2751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 2851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport java.lang.ref.Reference; 2951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport java.lang.ref.ReferenceQueue; 3051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport java.lang.ref.SoftReference; 3151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport java.lang.ref.WeakReference; 3251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport java.lang.reflect.Constructor; 3351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport java.lang.reflect.Field; 3451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport java.lang.reflect.InvocationTargetException; 3551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport java.lang.reflect.Member; 3651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport java.lang.reflect.Method; 3751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport java.lang.reflect.Modifier; 3851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport java.lang.reflect.Proxy; 3951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport java.security.AccessController; 4051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport java.security.MessageDigest; 4151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport java.security.NoSuchAlgorithmException; 4251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport java.security.PrivilegedAction; 4351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport java.util.ArrayList; 4451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport java.util.Arrays; 4551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport java.util.Collections; 4651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport java.util.Comparator; 4751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport java.util.HashSet; 4851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport java.util.Set; 4951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport java.util.concurrent.ConcurrentHashMap; 5051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport java.util.concurrent.ConcurrentMap; 5151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport sun.misc.Unsafe; 5251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport sun.reflect.CallerSensitive; 5351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport sun.reflect.Reflection; 5451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskiimport sun.reflect.misc.ReflectUtil; 55d1ce77d790fb9655f09a25afde0b91faf187a74cPrzemyslaw Szczepaniakimport dalvik.system.VMRuntime; 568d05e88f57c1ea5543d4012687c70cd64efcada0Piotr Jastrzebskiimport dalvik.system.VMStack; 5751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski/** 5851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Serialization's descriptor for classes. It contains the name and 5951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * serialVersionUID of the class. The ObjectStreamClass for a specific class 6051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * loaded in this Java VM can be found/created using the lookup method. 6151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 6251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * <p>The algorithm to compute the SerialVersionUID is described in 63d2449bb576ad1e3a3877364e5e1ae28625f69e35Yi Kong * <a href="{@docRoot}openjdk-redirect.html?v=8&path=/platform/serialization/spec/class.html#4100">Object 6451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Serialization Specification, Section 4.6, Stream Unique Identifiers</a>. 6551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 6651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @author Mike Warres 6751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @author Roger Riggs 6851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @see ObjectStreamField 69d2449bb576ad1e3a3877364e5e1ae28625f69e35Yi Kong * @see <a href="{@docRoot}openjdk-redirect.html?v=8&path=/platform/serialization/spec/class.html">Object Serialization Specification, Section 4, Class Descriptors</a> 7051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since JDK1.1 7151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 7251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebskipublic class ObjectStreamClass implements Serializable { 7351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 7451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** serialPersistentFields value indicating no serializable fields */ 7551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public static final ObjectStreamField[] NO_FIELDS = 7651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski new ObjectStreamField[0]; 7751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 7851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private static final long serialVersionUID = -6120832682080437368L; 7951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private static final ObjectStreamField[] serialPersistentFields = 8051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski NO_FIELDS; 8151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 8251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** reflection factory for obtaining serialization constructors */ 8351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 8451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private static class Caches { 8551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** cache mapping local classes -> descriptors */ 8651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski static final ConcurrentMap<WeakClassKey,Reference<?>> localDescs = 8751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski new ConcurrentHashMap<>(); 8851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 8951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** cache mapping field group/local desc pairs -> field reflectors */ 9051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski static final ConcurrentMap<FieldReflectorKey,Reference<?>> reflectors = 9151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski new ConcurrentHashMap<>(); 9251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 9351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** queue for WeakReferences to local classes */ 9451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private static final ReferenceQueue<Class<?>> localDescsQueue = 9551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski new ReferenceQueue<>(); 9651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** queue for WeakReferences to field reflectors keys */ 9751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private static final ReferenceQueue<Class<?>> reflectorsQueue = 9851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski new ReferenceQueue<>(); 9951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 10051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 10151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** class associated with this descriptor (if any) */ 10251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private Class<?> cl; 10351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** name of class represented by this descriptor */ 10451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private String name; 10551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** serialVersionUID of represented class (null if not computed yet) */ 10651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private volatile Long suid; 10751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 10851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** true if represents dynamic proxy class */ 10951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private boolean isProxy; 11051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** true if represents enum type */ 11151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private boolean isEnum; 11251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** true if represented class implements Serializable */ 11351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private boolean serializable; 11451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** true if represented class implements Externalizable */ 11551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private boolean externalizable; 11651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** true if desc has data written by class-defined writeObject method */ 11751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private boolean hasWriteObjectData; 11851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 11951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * true if desc has externalizable data written in block data format; this 12051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * must be true by default to accommodate ObjectInputStream subclasses which 12151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * override readClassDescriptor() to return class descriptors obtained from 12251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * ObjectStreamClass.lookup() (see 4461737) 12351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 12451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private boolean hasBlockExternalData = true; 12551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 12651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 12751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Contains information about InvalidClassException instances to be thrown 12851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * when attempting operations on an invalid class. Note that instances of 12951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * this class are immutable and are potentially shared among 13051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * ObjectStreamClass instances. 13151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 13251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private static class ExceptionInfo { 13351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private final String className; 13451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private final String message; 13551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 13651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ExceptionInfo(String cn, String msg) { 13751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski className = cn; 13851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski message = msg; 13951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 14051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 14151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 14251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns (does not throw) an InvalidClassException instance created 14351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * from the information in this object, suitable for being thrown by 14451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * the caller. 14551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 14651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski InvalidClassException newInvalidClassException() { 14751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return new InvalidClassException(className, message); 14851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 14951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 15051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 15151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** exception (if any) thrown while attempting to resolve class */ 15251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private ClassNotFoundException resolveEx; 15351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** exception (if any) to throw if non-enum deserialization attempted */ 15451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private ExceptionInfo deserializeEx; 15551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** exception (if any) to throw if non-enum serialization attempted */ 15651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private ExceptionInfo serializeEx; 15751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** exception (if any) to throw if default serialization attempted */ 15851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private ExceptionInfo defaultSerializeEx; 15951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 16051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** serializable fields */ 16151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private ObjectStreamField[] fields; 16251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** aggregate marshalled size of primitive fields */ 16351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private int primDataSize; 16451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** number of non-primitive fields */ 16551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private int numObjFields; 16651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** reflector for setting/getting serializable field values */ 16751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private FieldReflector fieldRefl; 16851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** data layout of serialized objects described by this class desc */ 16951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private volatile ClassDataSlot[] dataLayout; 17051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 17151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** serialization-appropriate constructor, or null if none */ 17251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private Constructor cons; 17351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** class-defined writeObject method, or null if none */ 17451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private Method writeObjectMethod; 17551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** class-defined readObject method, or null if none */ 17651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private Method readObjectMethod; 17751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** class-defined readObjectNoData method, or null if none */ 17851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private Method readObjectNoDataMethod; 17951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** class-defined writeReplace method, or null if none */ 18051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private Method writeReplaceMethod; 18151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** class-defined readResolve method, or null if none */ 18251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private Method readResolveMethod; 18351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 18451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** local class descriptor for represented class (may point to self) */ 18551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private ObjectStreamClass localDesc; 18651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** superclass descriptor appearing in stream */ 18751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private ObjectStreamClass superDesc; 18851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 18951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 19051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Find the descriptor for a class that can be serialized. Creates an 19151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * ObjectStreamClass instance if one does not exist yet for class. Null is 19251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * returned if the specified class does not implement java.io.Serializable 19351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * or java.io.Externalizable. 19451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 19551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @param cl class for which to get the descriptor 19651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return the class descriptor for the specified class 19751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 19851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public static ObjectStreamClass lookup(Class<?> cl) { 19951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return lookup(cl, false); 20051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 20151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 20251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 20351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns the descriptor for any class, regardless of whether it 20451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * implements {@link Serializable}. 20551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 20651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @param cl class for which to get the descriptor 20751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return the class descriptor for the specified class 20851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since 1.6 20951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 21051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public static ObjectStreamClass lookupAny(Class<?> cl) { 21151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return lookup(cl, true); 21251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 21351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 21451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 21551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns the name of the class described by this descriptor. 21651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * This method returns the name of the class in the format that 21751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * is used by the {@link Class#getName} method. 21851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 21951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return a string representing the name of the class 22051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 22151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public String getName() { 22251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return name; 22351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 22451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 22551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 22651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Return the serialVersionUID for this class. The serialVersionUID 22751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * defines a set of classes all with the same name that have evolved from a 22851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * common root class and agree to be serialized and deserialized using a 22951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * common format. NonSerializable classes have a serialVersionUID of 0L. 23051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 23151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return the SUID of the class described by this descriptor 23251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 23351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public long getSerialVersionUID() { 23451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // REMIND: synchronize instead of relying on volatile? 23551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (suid == null) { 23651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski suid = AccessController.doPrivileged( 23751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski new PrivilegedAction<Long>() { 23851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public Long run() { 23951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return computeDefaultSUID(cl); 24051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 24151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 24251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ); 24351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 24451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return suid.longValue(); 24551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 24651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 24751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 24851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Return the class in the local VM that this version is mapped to. Null 24951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * is returned if there is no corresponding local class. 25051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 25151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return the <code>Class</code> instance that this descriptor represents 25251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 25351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski @CallerSensitive 25451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public Class<?> forClass() { 25551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (cl == null) { 25651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return null; 25751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 25851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (System.getSecurityManager() != null) { 2598d05e88f57c1ea5543d4012687c70cd64efcada0Piotr Jastrzebski if (ReflectUtil.needsPackageAccessCheck(VMStack.getCallingClassLoader(), 2608d05e88f57c1ea5543d4012687c70cd64efcada0Piotr Jastrzebski cl.getClassLoader())) { 26151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ReflectUtil.checkPackageAccess(cl); 26251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 26351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 26451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return cl; 26551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 26651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 26751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 26851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Return an array of the fields of this serializable class. 26951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 27051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return an array containing an element for each persistent field of 27151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * this class. Returns an array of length zero if there are no 27251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * fields. 27351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @since 1.2 27451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 27551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public ObjectStreamField[] getFields() { 27651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return getFields(true); 27751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 27851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 27951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 28051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Get the field of this class by name. 28151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 28251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @param name the name of the data field to look for 28351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @return The ObjectStreamField object of the named field or null if 28451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * there is no such named field. 28551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 28651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public ObjectStreamField getField(String name) { 28751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return getField(name, null); 28851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 28951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 29051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 29151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Return a string describing this ObjectStreamClass. 29251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 29351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public String toString() { 29451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return name + ": static final long serialVersionUID = " + 29551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski getSerialVersionUID() + "L;"; 29651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 29751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 29851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 29951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Looks up and returns class descriptor for given class, or null if class 30051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * is non-serializable and "all" is set to false. 30151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 30251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @param cl class to look up 30351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * @param all if true, return descriptors for all classes; if false, only 30451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * return descriptors for serializable classes 30551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 30651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski static ObjectStreamClass lookup(Class<?> cl, boolean all) { 30751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (!(all || Serializable.class.isAssignableFrom(cl))) { 30851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return null; 30951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 31051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski processQueue(Caches.localDescsQueue, Caches.localDescs); 31151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski WeakClassKey key = new WeakClassKey(cl, Caches.localDescsQueue); 31251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Reference<?> ref = Caches.localDescs.get(key); 31351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Object entry = null; 31451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (ref != null) { 31551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski entry = ref.get(); 31651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 31751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski EntryFuture future = null; 31851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (entry == null) { 31951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski EntryFuture newEntry = new EntryFuture(); 32051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Reference<?> newRef = new SoftReference<>(newEntry); 32151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski do { 32251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (ref != null) { 32351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Caches.localDescs.remove(key, ref); 32451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 32551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ref = Caches.localDescs.putIfAbsent(key, newRef); 32651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (ref != null) { 32751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski entry = ref.get(); 32851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 32951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } while (ref != null && entry == null); 33051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (entry == null) { 33151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski future = newEntry; 33251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 33351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 33451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 33551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (entry instanceof ObjectStreamClass) { // check common case first 33651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return (ObjectStreamClass) entry; 33751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 33851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (entry instanceof EntryFuture) { 33951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski future = (EntryFuture) entry; 34051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (future.getOwner() == Thread.currentThread()) { 34151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /* 34251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Handle nested call situation described by 4803747: waiting 34351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * for future value to be set by a lookup() call further up the 34451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * stack will result in deadlock, so calculate and set the 34551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * future value here instead. 34651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 34751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski entry = null; 34851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else { 34951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski entry = future.get(); 35051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 35151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 35251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (entry == null) { 35351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski try { 35451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski entry = new ObjectStreamClass(cl); 35551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } catch (Throwable th) { 35651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski entry = th; 35751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 35851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (future.set(entry)) { 35951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Caches.localDescs.put(key, new SoftReference<Object>(entry)); 36051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else { 36151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // nested lookup call already set future 36251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski entry = future.get(); 36351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 36451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 36551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 36651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (entry instanceof ObjectStreamClass) { 36751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return (ObjectStreamClass) entry; 36851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else if (entry instanceof RuntimeException) { 36951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw (RuntimeException) entry; 37051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else if (entry instanceof Error) { 37151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw (Error) entry; 37251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else { 37351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new InternalError("unexpected entry: " + entry); 37451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 37551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 37651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 37751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 37851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Placeholder used in class descriptor and field reflector lookup tables 37951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * for an entry in the process of being initialized. (Internal) callers 38051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * which receive an EntryFuture belonging to another thread as the result 38151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * of a lookup should call the get() method of the EntryFuture; this will 38251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * return the actual entry once it is ready for use and has been set(). To 38351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * conserve objects, EntryFutures synchronize on themselves. 38451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 38551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private static class EntryFuture { 38651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 38751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private static final Object unset = new Object(); 38851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private final Thread owner = Thread.currentThread(); 38951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private Object entry = unset; 39051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 39151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 39251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Attempts to set the value contained by this EntryFuture. If the 39351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * EntryFuture's value has not been set already, then the value is 39451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * saved, any callers blocked in the get() method are notified, and 39551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * true is returned. If the value has already been set, then no saving 39651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * or notification occurs, and false is returned. 39751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 39851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski synchronized boolean set(Object entry) { 39951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (this.entry != unset) { 40051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return false; 40151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 40251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski this.entry = entry; 40351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski notifyAll(); 40451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return true; 40551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 40651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 40751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 40851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns the value contained by this EntryFuture, blocking if 40951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * necessary until a value is set. 41051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 41151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski synchronized Object get() { 41251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski boolean interrupted = false; 41351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski while (entry == unset) { 41451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski try { 41551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski wait(); 41651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } catch (InterruptedException ex) { 41751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski interrupted = true; 41851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 41951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 42051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (interrupted) { 42151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski AccessController.doPrivileged( 42251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski new PrivilegedAction<Void>() { 42351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public Void run() { 42451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Thread.currentThread().interrupt(); 42551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return null; 42651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 42751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 42851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ); 42951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 43051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return entry; 43151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 43251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 43351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 43451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns the thread that created this EntryFuture. 43551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 43651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Thread getOwner() { 43751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return owner; 43851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 43951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 44051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 44151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 44251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Creates local class descriptor representing given class. 44351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 44451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private ObjectStreamClass(final Class<?> cl) { 44551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski this.cl = cl; 44651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski name = cl.getName(); 44751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski isProxy = Proxy.isProxyClass(cl); 44851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski isEnum = Enum.class.isAssignableFrom(cl); 44951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski serializable = Serializable.class.isAssignableFrom(cl); 45051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski externalizable = Externalizable.class.isAssignableFrom(cl); 45151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 45251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Class<?> superCl = cl.getSuperclass(); 45351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski superDesc = (superCl != null) ? lookup(superCl, false) : null; 45451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski localDesc = this; 45551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 45651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (serializable) { 45751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski AccessController.doPrivileged(new PrivilegedAction<Void>() { 45851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public Void run() { 45951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (isEnum) { 46051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski suid = Long.valueOf(0); 46151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski fields = NO_FIELDS; 46251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return null; 46351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 46451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (cl.isArray()) { 46551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski fields = NO_FIELDS; 46651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return null; 46751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 46851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 46951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski suid = getDeclaredSUID(cl); 47051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski try { 47151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski fields = getSerialFields(cl); 47251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski computeFieldOffsets(); 47351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } catch (InvalidClassException e) { 47451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski serializeEx = deserializeEx = 47551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski new ExceptionInfo(e.classname, e.getMessage()); 47651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski fields = NO_FIELDS; 47751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 47851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 47951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (externalizable) { 48051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski cons = getExternalizableConstructor(cl); 48151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else { 48251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski cons = getSerializableConstructor(cl); 48351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski writeObjectMethod = getPrivateMethod(cl, "writeObject", 48451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski new Class<?>[] { ObjectOutputStream.class }, 48551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Void.TYPE); 48651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski readObjectMethod = getPrivateMethod(cl, "readObject", 48751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski new Class<?>[] { ObjectInputStream.class }, 48851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Void.TYPE); 48951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski readObjectNoDataMethod = getPrivateMethod( 49051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski cl, "readObjectNoData", null, Void.TYPE); 49151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski hasWriteObjectData = (writeObjectMethod != null); 49251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 49351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski writeReplaceMethod = getInheritableMethod( 49451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski cl, "writeReplace", null, Object.class); 49551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski readResolveMethod = getInheritableMethod( 49651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski cl, "readResolve", null, Object.class); 49751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return null; 49851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 49951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski }); 50051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else { 50151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski suid = Long.valueOf(0); 50251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski fields = NO_FIELDS; 50351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 50451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 50551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski try { 50651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski fieldRefl = getReflector(fields, this); 50751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } catch (InvalidClassException ex) { 50851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // field mismatches impossible when matching local fields vs. self 50951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new InternalError(); 51051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 51151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 51251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (deserializeEx == null) { 51351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (isEnum) { 51451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski deserializeEx = new ExceptionInfo(name, "enum type"); 51551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else if (cons == null) { 51651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski deserializeEx = new ExceptionInfo(name, "no valid constructor"); 51751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 51851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 51951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski for (int i = 0; i < fields.length; i++) { 52051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (fields[i].getField() == null) { 52151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski defaultSerializeEx = new ExceptionInfo( 52251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski name, "unmatched serializable field(s) declared"); 52351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 52451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 52551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 52651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 52751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 52851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Creates blank class descriptor which should be initialized via a 52951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * subsequent call to initProxy(), initNonProxy() or readNonProxy(). 53051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 53151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ObjectStreamClass() { 53251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 53351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 53451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 53551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Initializes class descriptor representing a proxy class. 53651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 53751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski void initProxy(Class<?> cl, 53851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ClassNotFoundException resolveEx, 53951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ObjectStreamClass superDesc) 54051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throws InvalidClassException 54151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski { 54251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski this.cl = cl; 54351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski this.resolveEx = resolveEx; 54451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski this.superDesc = superDesc; 54551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski isProxy = true; 54651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski serializable = true; 54751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski suid = Long.valueOf(0); 54851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski fields = NO_FIELDS; 54951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 55051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (cl != null) { 55151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski localDesc = lookup(cl, true); 55251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (!localDesc.isProxy) { 55351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new InvalidClassException( 55451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski "cannot bind proxy descriptor to a non-proxy class"); 55551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 55651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski name = localDesc.name; 55751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski externalizable = localDesc.externalizable; 55851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski cons = localDesc.cons; 55951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski writeReplaceMethod = localDesc.writeReplaceMethod; 56051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski readResolveMethod = localDesc.readResolveMethod; 56151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski deserializeEx = localDesc.deserializeEx; 56251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 56351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski fieldRefl = getReflector(fields, localDesc); 56451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 56551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 56651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 56751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Initializes class descriptor representing a non-proxy class. 56851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 56951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski void initNonProxy(ObjectStreamClass model, 57051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Class<?> cl, 57151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ClassNotFoundException resolveEx, 57251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ObjectStreamClass superDesc) 57351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throws InvalidClassException 57451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski { 57551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski this.cl = cl; 57651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski this.resolveEx = resolveEx; 57751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski this.superDesc = superDesc; 57851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski name = model.name; 57951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski suid = Long.valueOf(model.getSerialVersionUID()); 58051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski isProxy = false; 58151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski isEnum = model.isEnum; 58251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski serializable = model.serializable; 58351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski externalizable = model.externalizable; 58451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski hasBlockExternalData = model.hasBlockExternalData; 58551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski hasWriteObjectData = model.hasWriteObjectData; 58651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski fields = model.fields; 58751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski primDataSize = model.primDataSize; 58851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski numObjFields = model.numObjFields; 58951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 59051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (cl != null) { 59151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski localDesc = lookup(cl, true); 59251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (localDesc.isProxy) { 59351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new InvalidClassException( 59451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski "cannot bind non-proxy descriptor to a proxy class"); 59551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 59651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (isEnum != localDesc.isEnum) { 59751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new InvalidClassException(isEnum ? 59851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski "cannot bind enum descriptor to a non-enum class" : 59951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski "cannot bind non-enum descriptor to an enum class"); 60051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 60151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 60251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (serializable == localDesc.serializable && 60351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski !cl.isArray() && 60451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski suid.longValue() != localDesc.getSerialVersionUID()) 60551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski { 60651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new InvalidClassException(localDesc.name, 60751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski "local class incompatible: " + 60851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski "stream classdesc serialVersionUID = " + suid + 60951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ", local class serialVersionUID = " + 61051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski localDesc.getSerialVersionUID()); 61151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 61251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 61351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (!classNamesEqual(name, localDesc.name)) { 61451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new InvalidClassException(localDesc.name, 61551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski "local class name incompatible with stream class " + 61651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski "name \"" + name + "\""); 61751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 61851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 61951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (!isEnum) { 62051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if ((serializable == localDesc.serializable) && 62151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski (externalizable != localDesc.externalizable)) 62251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski { 62351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new InvalidClassException(localDesc.name, 62451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski "Serializable incompatible with Externalizable"); 62551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 62651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 62751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if ((serializable != localDesc.serializable) || 62851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski (externalizable != localDesc.externalizable) || 62951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski !(serializable || externalizable)) 63051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski { 63151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski deserializeEx = new ExceptionInfo( 63251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski localDesc.name, "class invalid for deserialization"); 63351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 63451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 63551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 63651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski cons = localDesc.cons; 63751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski writeObjectMethod = localDesc.writeObjectMethod; 63851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski readObjectMethod = localDesc.readObjectMethod; 63951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski readObjectNoDataMethod = localDesc.readObjectNoDataMethod; 64051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski writeReplaceMethod = localDesc.writeReplaceMethod; 64151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski readResolveMethod = localDesc.readResolveMethod; 64251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (deserializeEx == null) { 64351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski deserializeEx = localDesc.deserializeEx; 64451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 64551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 64651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski fieldRefl = getReflector(fields, localDesc); 64751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // reassign to matched fields so as to reflect local unshared settings 64851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski fields = fieldRefl.getFields(); 64951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 65051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 65151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 65251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Reads non-proxy class descriptor information from given input stream. 65351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * The resulting class descriptor is not fully functional; it can only be 65451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * used as input to the ObjectInputStream.resolveClass() and 65551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * ObjectStreamClass.initNonProxy() methods. 65651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 65751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski void readNonProxy(ObjectInputStream in) 65851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throws IOException, ClassNotFoundException 65951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski { 66051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski name = in.readUTF(); 66151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski suid = Long.valueOf(in.readLong()); 66251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski isProxy = false; 66351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 66451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski byte flags = in.readByte(); 66551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski hasWriteObjectData = 66651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ((flags & ObjectStreamConstants.SC_WRITE_METHOD) != 0); 66751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski hasBlockExternalData = 66851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ((flags & ObjectStreamConstants.SC_BLOCK_DATA) != 0); 66951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski externalizable = 67051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ((flags & ObjectStreamConstants.SC_EXTERNALIZABLE) != 0); 67151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski boolean sflag = 67251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ((flags & ObjectStreamConstants.SC_SERIALIZABLE) != 0); 67351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (externalizable && sflag) { 67451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new InvalidClassException( 67551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski name, "serializable and externalizable flags conflict"); 67651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 67751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski serializable = externalizable || sflag; 67851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski isEnum = ((flags & ObjectStreamConstants.SC_ENUM) != 0); 67951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (isEnum && suid.longValue() != 0L) { 68051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new InvalidClassException(name, 68151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski "enum descriptor has non-zero serialVersionUID: " + suid); 68251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 68351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 68451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski int numFields = in.readShort(); 68551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (isEnum && numFields != 0) { 68651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new InvalidClassException(name, 68751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski "enum descriptor has non-zero field count: " + numFields); 68851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 68951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski fields = (numFields > 0) ? 69051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski new ObjectStreamField[numFields] : NO_FIELDS; 69151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski for (int i = 0; i < numFields; i++) { 69251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski char tcode = (char) in.readByte(); 69351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski String fname = in.readUTF(); 69451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski String signature = ((tcode == 'L') || (tcode == '[')) ? 69551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski in.readTypeString() : new String(new char[] { tcode }); 69651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski try { 69751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski fields[i] = new ObjectStreamField(fname, signature, false); 69851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } catch (RuntimeException e) { 69951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw (IOException) new InvalidClassException(name, 70051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski "invalid descriptor for field " + fname).initCause(e); 70151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 70251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 70351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski computeFieldOffsets(); 70451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 70551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 70651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 70751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Writes non-proxy class descriptor information to given output stream. 70851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 70951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski void writeNonProxy(ObjectOutputStream out) throws IOException { 71051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski out.writeUTF(name); 71151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski out.writeLong(getSerialVersionUID()); 71251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 71351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski byte flags = 0; 71451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (externalizable) { 71551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski flags |= ObjectStreamConstants.SC_EXTERNALIZABLE; 71651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski int protocol = out.getProtocolVersion(); 71751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (protocol != ObjectStreamConstants.PROTOCOL_VERSION_1) { 71851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski flags |= ObjectStreamConstants.SC_BLOCK_DATA; 71951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 72051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else if (serializable) { 72151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski flags |= ObjectStreamConstants.SC_SERIALIZABLE; 72251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 72351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (hasWriteObjectData) { 72451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski flags |= ObjectStreamConstants.SC_WRITE_METHOD; 72551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 72651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (isEnum) { 72751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski flags |= ObjectStreamConstants.SC_ENUM; 72851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 72951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski out.writeByte(flags); 73051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 73151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski out.writeShort(fields.length); 73251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski for (int i = 0; i < fields.length; i++) { 73351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ObjectStreamField f = fields[i]; 73451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski out.writeByte(f.getTypeCode()); 73551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski out.writeUTF(f.getName()); 73651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (!f.isPrimitive()) { 73751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski out.writeTypeString(f.getTypeString()); 73851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 73951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 74051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 74151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 74251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 74351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns ClassNotFoundException (if any) thrown while attempting to 74451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * resolve local class corresponding to this class descriptor. 74551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 74651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ClassNotFoundException getResolveException() { 74751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return resolveEx; 74851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 74951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 75051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 75151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Throws an InvalidClassException if object instances referencing this 75251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * class descriptor should not be allowed to deserialize. This method does 75351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * not apply to deserialization of enum constants. 75451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 75551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski void checkDeserialize() throws InvalidClassException { 75651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (deserializeEx != null) { 75751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw deserializeEx.newInvalidClassException(); 75851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 75951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 76051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 76151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 76251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Throws an InvalidClassException if objects whose class is represented by 76351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * this descriptor should not be allowed to serialize. This method does 76451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * not apply to serialization of enum constants. 76551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 76651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski void checkSerialize() throws InvalidClassException { 76751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (serializeEx != null) { 76851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw serializeEx.newInvalidClassException(); 76951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 77051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 77151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 77251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 77351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Throws an InvalidClassException if objects whose class is represented by 77451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * this descriptor should not be permitted to use default serialization 77551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * (e.g., if the class declares serializable fields that do not correspond 77651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * to actual fields, and hence must use the GetField API). This method 77751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * does not apply to deserialization of enum constants. 77851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 77951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski void checkDefaultSerialize() throws InvalidClassException { 78051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (defaultSerializeEx != null) { 78151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw defaultSerializeEx.newInvalidClassException(); 78251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 78351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 78451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 78551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 78651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns superclass descriptor. Note that on the receiving side, the 78751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * superclass descriptor may be bound to a class that is not a superclass 78851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * of the subclass descriptor's bound class. 78951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 79051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ObjectStreamClass getSuperDesc() { 79151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return superDesc; 79251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 79351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 79451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 79551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns the "local" class descriptor for the class associated with this 79651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * class descriptor (i.e., the result of 79751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * ObjectStreamClass.lookup(this.forClass())) or null if there is no class 79851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * associated with this descriptor. 79951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 80051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ObjectStreamClass getLocalDesc() { 80151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return localDesc; 80251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 80351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 80451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 80551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns arrays of ObjectStreamFields representing the serializable 80651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * fields of the represented class. If copy is true, a clone of this class 80751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * descriptor's field array is returned, otherwise the array itself is 80851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * returned. 80951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 81051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ObjectStreamField[] getFields(boolean copy) { 81151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return copy ? fields.clone() : fields; 81251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 81351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 81451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 81551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Looks up a serializable field of the represented class by name and type. 81651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * A specified type of null matches all types, Object.class matches all 81751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * non-primitive types, and any other non-null type matches assignable 81851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * types only. Returns matching field, or null if no match found. 81951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 82051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ObjectStreamField getField(String name, Class<?> type) { 82151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski for (int i = 0; i < fields.length; i++) { 82251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ObjectStreamField f = fields[i]; 82351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (f.getName().equals(name)) { 82451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (type == null || 82551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski (type == Object.class && !f.isPrimitive())) 82651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski { 82751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return f; 82851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 82951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Class<?> ftype = f.getType(); 83051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (ftype != null && type.isAssignableFrom(ftype)) { 83151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return f; 83251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 83351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 83451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 83551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return null; 83651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 83751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 83851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 83951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns true if class descriptor represents a dynamic proxy class, false 84051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * otherwise. 84151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 84251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski boolean isProxy() { 84351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return isProxy; 84451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 84551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 84651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 84751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns true if class descriptor represents an enum type, false 84851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * otherwise. 84951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 85051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski boolean isEnum() { 85151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return isEnum; 85251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 85351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 85451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 85551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns true if represented class implements Externalizable, false 85651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * otherwise. 85751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 85851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski boolean isExternalizable() { 85951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return externalizable; 86051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 86151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 86251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 86351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns true if represented class implements Serializable, false 86451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * otherwise. 86551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 86651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski boolean isSerializable() { 86751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return serializable; 86851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 86951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 87051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 87151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns true if class descriptor represents externalizable class that 87251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * has written its data in 1.2 (block data) format, false otherwise. 87351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 87451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski boolean hasBlockExternalData() { 87551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return hasBlockExternalData; 87651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 87751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 87851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 87951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns true if class descriptor represents serializable (but not 88051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * externalizable) class which has written its data via a custom 88151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * writeObject() method, false otherwise. 88251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 88351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski boolean hasWriteObjectData() { 88451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return hasWriteObjectData; 88551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 88651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 88751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 88851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns true if represented class is serializable/externalizable and can 88951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * be instantiated by the serialization runtime--i.e., if it is 89051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * externalizable and defines a public no-arg constructor, or if it is 89151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * non-externalizable and its first non-serializable superclass defines an 89251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * accessible no-arg constructor. Otherwise, returns false. 89351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 89451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski boolean isInstantiable() { 89551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return (cons != null); 89651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 89751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 89851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 89951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns true if represented class is serializable (but not 90051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * externalizable) and defines a conformant writeObject method. Otherwise, 90151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * returns false. 90251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 90351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski boolean hasWriteObjectMethod() { 90451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return (writeObjectMethod != null); 90551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 90651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 90751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 90851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns true if represented class is serializable (but not 90951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * externalizable) and defines a conformant readObject method. Otherwise, 91051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * returns false. 91151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 91251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski boolean hasReadObjectMethod() { 91351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return (readObjectMethod != null); 91451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 91551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 91651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 91751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns true if represented class is serializable (but not 91851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * externalizable) and defines a conformant readObjectNoData method. 91951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Otherwise, returns false. 92051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 92151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski boolean hasReadObjectNoDataMethod() { 92251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return (readObjectNoDataMethod != null); 92351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 92451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 92551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 92651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns true if represented class is serializable or externalizable and 92751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * defines a conformant writeReplace method. Otherwise, returns false. 92851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 92951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski boolean hasWriteReplaceMethod() { 93051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return (writeReplaceMethod != null); 93151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 93251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 93351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 93451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns true if represented class is serializable or externalizable and 93551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * defines a conformant readResolve method. Otherwise, returns false. 93651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 93751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski boolean hasReadResolveMethod() { 93851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return (readResolveMethod != null); 93951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 94051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 94151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 94251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Creates a new instance of the represented class. If the class is 94351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * externalizable, invokes its public no-arg constructor; otherwise, if the 94451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * class is serializable, invokes the no-arg constructor of the first 94551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * non-serializable superclass. Throws UnsupportedOperationException if 94651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * this class descriptor is not associated with a class, if the associated 94751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * class is non-serializable or if the appropriate no-arg constructor is 94851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * inaccessible/unavailable. 94951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 95051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Object newInstance() 95151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throws InstantiationException, InvocationTargetException, 95251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski UnsupportedOperationException 95351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski { 95451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (cons != null) { 95551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski try { 95651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return cons.newInstance(); 95751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } catch (IllegalAccessException ex) { 95851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // should not occur, as access checks have been suppressed 95951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new InternalError(); 96051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 96151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else { 96251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new UnsupportedOperationException(); 96351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 96451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 96551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 96651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 96751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Invokes the writeObject method of the represented serializable class. 96851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Throws UnsupportedOperationException if this class descriptor is not 96951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * associated with a class, or if the class is externalizable, 97051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * non-serializable or does not define writeObject. 97151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 97251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski void invokeWriteObject(Object obj, ObjectOutputStream out) 97351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throws IOException, UnsupportedOperationException 97451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski { 97551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (writeObjectMethod != null) { 97651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski try { 97751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski writeObjectMethod.invoke(obj, new Object[]{ out }); 97851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } catch (InvocationTargetException ex) { 97951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Throwable th = ex.getTargetException(); 98051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (th instanceof IOException) { 98151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw (IOException) th; 98251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else { 98351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throwMiscException(th); 98451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 98551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } catch (IllegalAccessException ex) { 98651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // should not occur, as access checks have been suppressed 98751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new InternalError(); 98851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 98951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else { 99051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new UnsupportedOperationException(); 99151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 99251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 99351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 99451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 99551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Invokes the readObject method of the represented serializable class. 99651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Throws UnsupportedOperationException if this class descriptor is not 99751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * associated with a class, or if the class is externalizable, 99851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * non-serializable or does not define readObject. 99951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 100051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski void invokeReadObject(Object obj, ObjectInputStream in) 100151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throws ClassNotFoundException, IOException, 100251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski UnsupportedOperationException 100351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski { 100451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (readObjectMethod != null) { 100551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski try { 100651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski readObjectMethod.invoke(obj, new Object[]{ in }); 100751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } catch (InvocationTargetException ex) { 100851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Throwable th = ex.getTargetException(); 100951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (th instanceof ClassNotFoundException) { 101051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw (ClassNotFoundException) th; 101151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else if (th instanceof IOException) { 101251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw (IOException) th; 101351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else { 101451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throwMiscException(th); 101551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 101651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } catch (IllegalAccessException ex) { 101751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // should not occur, as access checks have been suppressed 101851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new InternalError(); 101951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 102051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else { 102151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new UnsupportedOperationException(); 102251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 102351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 102451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 102551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 102651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Invokes the readObjectNoData method of the represented serializable 102751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * class. Throws UnsupportedOperationException if this class descriptor is 102851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * not associated with a class, or if the class is externalizable, 102951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * non-serializable or does not define readObjectNoData. 103051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 103151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski void invokeReadObjectNoData(Object obj) 103251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throws IOException, UnsupportedOperationException 103351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski { 103451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (readObjectNoDataMethod != null) { 103551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski try { 103651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski readObjectNoDataMethod.invoke(obj, (Object[]) null); 103751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } catch (InvocationTargetException ex) { 103851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Throwable th = ex.getTargetException(); 103951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (th instanceof ObjectStreamException) { 104051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw (ObjectStreamException) th; 104151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else { 104251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throwMiscException(th); 104351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 104451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } catch (IllegalAccessException ex) { 104551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // should not occur, as access checks have been suppressed 104651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new InternalError(); 104751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 104851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else { 104951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new UnsupportedOperationException(); 105051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 105151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 105251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 105351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 105451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Invokes the writeReplace method of the represented serializable class and 105551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * returns the result. Throws UnsupportedOperationException if this class 105651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * descriptor is not associated with a class, or if the class is 105751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * non-serializable or does not define writeReplace. 105851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 105951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Object invokeWriteReplace(Object obj) 106051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throws IOException, UnsupportedOperationException 106151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski { 106251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (writeReplaceMethod != null) { 106351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski try { 106451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return writeReplaceMethod.invoke(obj, (Object[]) null); 106551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } catch (InvocationTargetException ex) { 106651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Throwable th = ex.getTargetException(); 106751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (th instanceof ObjectStreamException) { 106851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw (ObjectStreamException) th; 106951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else { 107051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throwMiscException(th); 107151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new InternalError(); // never reached 107251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 107351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } catch (IllegalAccessException ex) { 107451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // should not occur, as access checks have been suppressed 107551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new InternalError(); 107651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 107751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else { 107851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new UnsupportedOperationException(); 107951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 108051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 108151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 108251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 108351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Invokes the readResolve method of the represented serializable class and 108451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * returns the result. Throws UnsupportedOperationException if this class 108551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * descriptor is not associated with a class, or if the class is 108651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * non-serializable or does not define readResolve. 108751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 108851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Object invokeReadResolve(Object obj) 108951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throws IOException, UnsupportedOperationException 109051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski { 109151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (readResolveMethod != null) { 109251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski try { 109351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return readResolveMethod.invoke(obj, (Object[]) null); 109451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } catch (InvocationTargetException ex) { 109551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Throwable th = ex.getTargetException(); 109651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (th instanceof ObjectStreamException) { 109751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw (ObjectStreamException) th; 109851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else { 109951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throwMiscException(th); 110051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new InternalError(); // never reached 110151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 110251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } catch (IllegalAccessException ex) { 110351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // should not occur, as access checks have been suppressed 110451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new InternalError(); 110551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 110651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else { 110751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new UnsupportedOperationException(); 110851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 110951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 111051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 111151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 111251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Class representing the portion of an object's serialized form allotted 111351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * to data described by a given class descriptor. If "hasData" is false, 111451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * the object's serialized form does not contain data associated with the 111551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * class descriptor. 111651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 111751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski static class ClassDataSlot { 111851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 111951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** class descriptor "occupying" this slot */ 112051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski final ObjectStreamClass desc; 112151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** true if serialized form includes data for this slot's descriptor */ 112251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski final boolean hasData; 112351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 112451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ClassDataSlot(ObjectStreamClass desc, boolean hasData) { 112551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski this.desc = desc; 112651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski this.hasData = hasData; 112751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 112851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 112951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 113051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 113151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns array of ClassDataSlot instances representing the data layout 113251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * (including superclass data) for serialized objects described by this 113351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * class descriptor. ClassDataSlots are ordered by inheritance with those 113451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * containing "higher" superclasses appearing first. The final 113551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * ClassDataSlot contains a reference to this descriptor. 113651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 113751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ClassDataSlot[] getClassDataLayout() throws InvalidClassException { 113851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // REMIND: synchronize instead of relying on volatile? 113951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (dataLayout == null) { 114051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski dataLayout = getClassDataLayout0(); 114151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 114251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return dataLayout; 114351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 114451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 114551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private ClassDataSlot[] getClassDataLayout0() 114651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throws InvalidClassException 114751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski { 114851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ArrayList<ClassDataSlot> slots = new ArrayList<>(); 114951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Class<?> start = cl, end = cl; 115051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 115151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // locate closest non-serializable superclass 115251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski while (end != null && Serializable.class.isAssignableFrom(end)) { 115351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski end = end.getSuperclass(); 115451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 115551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 115651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski HashSet<String> oscNames = new HashSet<>(3); 115751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 115851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski for (ObjectStreamClass d = this; d != null; d = d.superDesc) { 115951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (oscNames.contains(d.name)) { 116051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new InvalidClassException("Circular reference."); 116151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else { 116251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski oscNames.add(d.name); 116351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 116451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 116551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // search up inheritance hierarchy for class with matching name 116651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski String searchName = (d.cl != null) ? d.cl.getName() : d.name; 116751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Class<?> match = null; 116851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski for (Class<?> c = start; c != end; c = c.getSuperclass()) { 116951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (searchName.equals(c.getName())) { 117051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski match = c; 117151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski break; 117251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 117351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 117451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 117551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // add "no data" slot for each unmatched class below match 117651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (match != null) { 117751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski for (Class<?> c = start; c != match; c = c.getSuperclass()) { 117851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski slots.add(new ClassDataSlot( 117951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ObjectStreamClass.lookup(c, true), false)); 118051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 118151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski start = match.getSuperclass(); 118251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 118351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 118451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // record descriptor/class pairing 118551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski slots.add(new ClassDataSlot(d.getVariantFor(match), true)); 118651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 118751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 118851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // add "no data" slot for any leftover unmatched classes 118951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski for (Class<?> c = start; c != end; c = c.getSuperclass()) { 119051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski slots.add(new ClassDataSlot( 119151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ObjectStreamClass.lookup(c, true), false)); 119251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 119351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 119451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // order slots from superclass -> subclass 119551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Collections.reverse(slots); 119651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return slots.toArray(new ClassDataSlot[slots.size()]); 119751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 119851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 119951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 120051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns aggregate size (in bytes) of marshalled primitive field values 120151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * for represented class. 120251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 120351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski int getPrimDataSize() { 120451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return primDataSize; 120551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 120651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 120751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 120851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns number of non-primitive serializable fields of represented 120951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * class. 121051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 121151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski int getNumObjFields() { 121251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return numObjFields; 121351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 121451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 121551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 121651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Fetches the serializable primitive field values of object obj and 121751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * marshals them into byte array buf starting at offset 0. It is the 121851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * responsibility of the caller to ensure that obj is of the proper type if 121951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * non-null. 122051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 122151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski void getPrimFieldValues(Object obj, byte[] buf) { 122251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski fieldRefl.getPrimFieldValues(obj, buf); 122351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 122451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 122551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 122651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Sets the serializable primitive fields of object obj using values 122751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * unmarshalled from byte array buf starting at offset 0. It is the 122851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * responsibility of the caller to ensure that obj is of the proper type if 122951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * non-null. 123051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 123151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski void setPrimFieldValues(Object obj, byte[] buf) { 123251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski fieldRefl.setPrimFieldValues(obj, buf); 123351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 123451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 123551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 123651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Fetches the serializable object field values of object obj and stores 123751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * them in array vals starting at offset 0. It is the responsibility of 123851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * the caller to ensure that obj is of the proper type if non-null. 123951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 124051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski void getObjFieldValues(Object obj, Object[] vals) { 124151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski fieldRefl.getObjFieldValues(obj, vals); 124251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 124351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 124451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 124551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Sets the serializable object fields of object obj using values from 124651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * array vals starting at offset 0. It is the responsibility of the caller 124751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * to ensure that obj is of the proper type if non-null. 124851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 124951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski void setObjFieldValues(Object obj, Object[] vals) { 125051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski fieldRefl.setObjFieldValues(obj, vals); 125151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 125251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 125351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 125451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Calculates and sets serializable field offsets, as well as primitive 125551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * data size and object field count totals. Throws InvalidClassException 125651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * if fields are illegally ordered. 125751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 125851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private void computeFieldOffsets() throws InvalidClassException { 125951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski primDataSize = 0; 126051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski numObjFields = 0; 126151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski int firstObjIndex = -1; 126251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 126351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski for (int i = 0; i < fields.length; i++) { 126451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ObjectStreamField f = fields[i]; 126551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski switch (f.getTypeCode()) { 126651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski case 'Z': 126751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski case 'B': 126851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski f.setOffset(primDataSize++); 126951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski break; 127051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 127151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski case 'C': 127251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski case 'S': 127351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski f.setOffset(primDataSize); 127451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski primDataSize += 2; 127551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski break; 127651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 127751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski case 'I': 127851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski case 'F': 127951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski f.setOffset(primDataSize); 128051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski primDataSize += 4; 128151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski break; 128251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 128351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski case 'J': 128451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski case 'D': 128551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski f.setOffset(primDataSize); 128651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski primDataSize += 8; 128751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski break; 128851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 128951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski case '[': 129051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski case 'L': 129151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski f.setOffset(numObjFields++); 129251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (firstObjIndex == -1) { 129351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski firstObjIndex = i; 129451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 129551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski break; 129651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 129751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski default: 129851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new InternalError(); 129951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 130051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 130151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (firstObjIndex != -1 && 130251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski firstObjIndex + numObjFields != fields.length) 130351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski { 130451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new InvalidClassException(name, "illegal field order"); 130551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 130651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 130751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 130851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 130951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * If given class is the same as the class associated with this class 131051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * descriptor, returns reference to this class descriptor. Otherwise, 131151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * returns variant of this class descriptor bound to given class. 131251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 131351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private ObjectStreamClass getVariantFor(Class<?> cl) 131451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throws InvalidClassException 131551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski { 131651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (this.cl == cl) { 131751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return this; 131851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 131951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ObjectStreamClass desc = new ObjectStreamClass(); 132051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (isProxy) { 132151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski desc.initProxy(cl, null, superDesc); 132251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else { 132351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski desc.initNonProxy(this, cl, null, superDesc); 132451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 132551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return desc; 132651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 132751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 132851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 132951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns public no-arg constructor of given class, or null if none found. 133051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Access checks are disabled on the returned constructor (if any), since 133151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * the defining class may still be non-public. 133251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 133351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private static Constructor getExternalizableConstructor(Class<?> cl) { 133451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski try { 133551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Constructor cons = cl.getDeclaredConstructor((Class<?>[]) null); 133651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski cons.setAccessible(true); 133751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return ((cons.getModifiers() & Modifier.PUBLIC) != 0) ? 133851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski cons : null; 133951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } catch (NoSuchMethodException ex) { 134051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return null; 134151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 134251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 134351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 134451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 134551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns subclass-accessible no-arg constructor of first non-serializable 134651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * superclass, or null if none found. Access checks are disabled on the 134751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * returned constructor (if any). 134851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 134951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private static Constructor getSerializableConstructor(Class<?> cl) { 135051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Class<?> initCl = cl; 135151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski while (Serializable.class.isAssignableFrom(initCl)) { 135251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if ((initCl = initCl.getSuperclass()) == null) { 135351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return null; 135451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 135551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 135651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski try { 135751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Constructor cons = initCl.getDeclaredConstructor((Class<?>[]) null); 135851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski int mods = cons.getModifiers(); 135951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if ((mods & Modifier.PRIVATE) != 0 || 136051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ((mods & (Modifier.PUBLIC | Modifier.PROTECTED)) == 0 && 136151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski !packageEquals(cl, initCl))) 136251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski { 136351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return null; 136451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 13658d05e88f57c1ea5543d4012687c70cd64efcada0Piotr Jastrzebski if (cons.getDeclaringClass() != cl) { 13668d05e88f57c1ea5543d4012687c70cd64efcada0Piotr Jastrzebski cons = cons.serializationCopy(cons.getDeclaringClass(), cl); 13678d05e88f57c1ea5543d4012687c70cd64efcada0Piotr Jastrzebski } 136851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski cons.setAccessible(true); 136951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return cons; 137051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } catch (NoSuchMethodException ex) { 137151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return null; 137251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 137351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 137451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 137551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 137651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns non-static, non-abstract method with given signature provided it 137751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * is defined by or accessible (via inheritance) by the given class, or 137851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * null if no match found. Access checks are disabled on the returned 137951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * method (if any). 138051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 138151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private static Method getInheritableMethod(Class<?> cl, String name, 138251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Class<?>[] argTypes, 138351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Class<?> returnType) 138451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski { 138551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Method meth = null; 138651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Class<?> defCl = cl; 138751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski while (defCl != null) { 138851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski try { 138951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski meth = defCl.getDeclaredMethod(name, argTypes); 139051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski break; 139151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } catch (NoSuchMethodException ex) { 139251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski defCl = defCl.getSuperclass(); 139351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 139451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 139551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 139651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if ((meth == null) || (meth.getReturnType() != returnType)) { 139751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return null; 139851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 139951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski meth.setAccessible(true); 140051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski int mods = meth.getModifiers(); 140151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if ((mods & (Modifier.STATIC | Modifier.ABSTRACT)) != 0) { 140251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return null; 140351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else if ((mods & (Modifier.PUBLIC | Modifier.PROTECTED)) != 0) { 140451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return meth; 140551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else if ((mods & Modifier.PRIVATE) != 0) { 140651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return (cl == defCl) ? meth : null; 140751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else { 140851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return packageEquals(cl, defCl) ? meth : null; 140951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 141051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 141151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 141251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 141351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns non-static private method with given signature defined by given 141451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * class, or null if none found. Access checks are disabled on the 141551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * returned method (if any). 141651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 141751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private static Method getPrivateMethod(Class<?> cl, String name, 141851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Class<?>[] argTypes, 141951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Class<?> returnType) 142051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski { 142151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski try { 142251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Method meth = cl.getDeclaredMethod(name, argTypes); 142351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski meth.setAccessible(true); 142451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski int mods = meth.getModifiers(); 142551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return ((meth.getReturnType() == returnType) && 142651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ((mods & Modifier.STATIC) == 0) && 142751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ((mods & Modifier.PRIVATE) != 0)) ? meth : null; 142851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } catch (NoSuchMethodException ex) { 142951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return null; 143051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 143151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 143251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 143351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 143451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns true if classes are defined in the same runtime package, false 143551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * otherwise. 143651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 143751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private static boolean packageEquals(Class<?> cl1, Class<?> cl2) { 143851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return (cl1.getClassLoader() == cl2.getClassLoader() && 143951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski getPackageName(cl1).equals(getPackageName(cl2))); 144051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 144151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 144251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 144351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns package name of given class. 144451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 144551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private static String getPackageName(Class<?> cl) { 144651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski String s = cl.getName(); 144751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski int i = s.lastIndexOf('['); 144851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (i >= 0) { 144951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski s = s.substring(i + 2); 145051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 145151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski i = s.lastIndexOf('.'); 145251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return (i >= 0) ? s.substring(0, i) : ""; 145351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 145451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 145551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 145651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Compares class names for equality, ignoring package names. Returns true 145751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * if class names equal, false otherwise. 145851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 145951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private static boolean classNamesEqual(String name1, String name2) { 146051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski name1 = name1.substring(name1.lastIndexOf('.') + 1); 146151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski name2 = name2.substring(name2.lastIndexOf('.') + 1); 146251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return name1.equals(name2); 146351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 146451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 146551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 146651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns JVM type signature for given class. 146751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 146851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private static String getClassSignature(Class<?> cl) { 146951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski StringBuilder sbuf = new StringBuilder(); 147051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski while (cl.isArray()) { 147151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski sbuf.append('['); 147251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski cl = cl.getComponentType(); 147351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 147451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (cl.isPrimitive()) { 147551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (cl == Integer.TYPE) { 147651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski sbuf.append('I'); 147751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else if (cl == Byte.TYPE) { 147851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski sbuf.append('B'); 147951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else if (cl == Long.TYPE) { 148051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski sbuf.append('J'); 148151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else if (cl == Float.TYPE) { 148251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski sbuf.append('F'); 148351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else if (cl == Double.TYPE) { 148451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski sbuf.append('D'); 148551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else if (cl == Short.TYPE) { 148651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski sbuf.append('S'); 148751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else if (cl == Character.TYPE) { 148851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski sbuf.append('C'); 148951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else if (cl == Boolean.TYPE) { 149051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski sbuf.append('Z'); 149151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else if (cl == Void.TYPE) { 149251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski sbuf.append('V'); 149351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else { 149451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new InternalError(); 149551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 149651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else { 149751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski sbuf.append('L' + cl.getName().replace('.', '/') + ';'); 149851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 149951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return sbuf.toString(); 150051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 150151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 150251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 150351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns JVM type signature for given list of parameters and return type. 150451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 150551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private static String getMethodSignature(Class<?>[] paramTypes, 150651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Class<?> retType) 150751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski { 150851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski StringBuilder sbuf = new StringBuilder(); 150951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski sbuf.append('('); 151051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski for (int i = 0; i < paramTypes.length; i++) { 151151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski sbuf.append(getClassSignature(paramTypes[i])); 151251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 151351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski sbuf.append(')'); 151451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski sbuf.append(getClassSignature(retType)); 151551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return sbuf.toString(); 151651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 151751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 151851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 151951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Convenience method for throwing an exception that is either a 152051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * RuntimeException, Error, or of some unexpected type (in which case it is 152151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * wrapped inside an IOException). 152251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 152351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private static void throwMiscException(Throwable th) throws IOException { 152451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (th instanceof RuntimeException) { 152551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw (RuntimeException) th; 152651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else if (th instanceof Error) { 152751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw (Error) th; 152851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else { 152951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski IOException ex = new IOException("unexpected exception type"); 153051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ex.initCause(th); 153151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw ex; 153251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 153351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 153451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 153551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 153651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns ObjectStreamField array describing the serializable fields of 153751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * the given class. Serializable fields backed by an actual field of the 153851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * class are represented by ObjectStreamFields with corresponding non-null 153951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Field objects. Throws InvalidClassException if the (explicitly 154051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * declared) serializable fields are invalid. 154151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 154251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private static ObjectStreamField[] getSerialFields(Class<?> cl) 154351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throws InvalidClassException 154451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski { 154551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ObjectStreamField[] fields; 154651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (Serializable.class.isAssignableFrom(cl) && 154751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski !Externalizable.class.isAssignableFrom(cl) && 154851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski !Proxy.isProxyClass(cl) && 154951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski !cl.isInterface()) 155051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski { 155151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if ((fields = getDeclaredSerialFields(cl)) == null) { 155251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski fields = getDefaultSerialFields(cl); 155351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 155451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Arrays.sort(fields); 155551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else { 155651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski fields = NO_FIELDS; 155751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 155851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return fields; 155951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 156051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 156151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 156251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns serializable fields of given class as defined explicitly by a 156351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * "serialPersistentFields" field, or null if no appropriate 156451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * "serialPersistentFields" field is defined. Serializable fields backed 156551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * by an actual field of the class are represented by ObjectStreamFields 156651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * with corresponding non-null Field objects. For compatibility with past 156751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * releases, a "serialPersistentFields" field with a null value is 156851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * considered equivalent to not declaring "serialPersistentFields". Throws 156951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * InvalidClassException if the declared serializable fields are 157051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * invalid--e.g., if multiple fields share the same name. 157151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 157251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private static ObjectStreamField[] getDeclaredSerialFields(Class<?> cl) 157351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throws InvalidClassException 157451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski { 157551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ObjectStreamField[] serialPersistentFields = null; 157651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski try { 157751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Field f = cl.getDeclaredField("serialPersistentFields"); 157851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski int mask = Modifier.PRIVATE | Modifier.STATIC | Modifier.FINAL; 157951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if ((f.getModifiers() & mask) == mask) { 158051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski f.setAccessible(true); 158151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski serialPersistentFields = (ObjectStreamField[]) f.get(null); 158251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 158351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } catch (Exception ex) { 158451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 158551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (serialPersistentFields == null) { 158651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return null; 158751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else if (serialPersistentFields.length == 0) { 158851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return NO_FIELDS; 158951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 159051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 159151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ObjectStreamField[] boundFields = 159251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski new ObjectStreamField[serialPersistentFields.length]; 159351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Set<String> fieldNames = new HashSet<>(serialPersistentFields.length); 159451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 159551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski for (int i = 0; i < serialPersistentFields.length; i++) { 159651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ObjectStreamField spf = serialPersistentFields[i]; 159751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 159851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski String fname = spf.getName(); 159951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (fieldNames.contains(fname)) { 160051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new InvalidClassException( 160151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski "multiple serializable fields named " + fname); 160251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 160351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski fieldNames.add(fname); 160451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 160551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski try { 160651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Field f = cl.getDeclaredField(fname); 160751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if ((f.getType() == spf.getType()) && 160851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ((f.getModifiers() & Modifier.STATIC) == 0)) 160951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski { 161051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski boundFields[i] = 161151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski new ObjectStreamField(f, spf.isUnshared(), true); 161251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 161351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } catch (NoSuchFieldException ex) { 161451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 161551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (boundFields[i] == null) { 161651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski boundFields[i] = new ObjectStreamField( 161751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski fname, spf.getType(), spf.isUnshared()); 161851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 161951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 162051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return boundFields; 162151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 162251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 162351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 162451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns array of ObjectStreamFields corresponding to all non-static 162551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * non-transient fields declared by given class. Each ObjectStreamField 162651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * contains a Field object for the field it represents. If no default 162751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * serializable fields exist, NO_FIELDS is returned. 162851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 162951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private static ObjectStreamField[] getDefaultSerialFields(Class<?> cl) { 163051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Field[] clFields = cl.getDeclaredFields(); 163151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ArrayList<ObjectStreamField> list = new ArrayList<>(); 163251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski int mask = Modifier.STATIC | Modifier.TRANSIENT; 163351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 163451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski for (int i = 0; i < clFields.length; i++) { 163551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if ((clFields[i].getModifiers() & mask) == 0) { 163651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski list.add(new ObjectStreamField(clFields[i], false, true)); 163751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 163851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 163951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski int size = list.size(); 164051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return (size == 0) ? NO_FIELDS : 164151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski list.toArray(new ObjectStreamField[size]); 164251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 164351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 164451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 164551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns explicit serial version UID value declared by given class, or 164651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * null if none. 164751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 164851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private static Long getDeclaredSUID(Class<?> cl) { 164951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski try { 165051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Field f = cl.getDeclaredField("serialVersionUID"); 165151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski int mask = Modifier.STATIC | Modifier.FINAL; 165251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if ((f.getModifiers() & mask) == mask) { 165351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski f.setAccessible(true); 165451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return Long.valueOf(f.getLong(null)); 165551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 165651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } catch (Exception ex) { 165751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 165851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return null; 165951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 166051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 166151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 166251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Computes the default serial version UID value for the given class. 166351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 166451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private static long computeDefaultSUID(Class<?> cl) { 166551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (!Serializable.class.isAssignableFrom(cl) || Proxy.isProxyClass(cl)) 166651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski { 166751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return 0L; 166851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 166951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 167051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski try { 167151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ByteArrayOutputStream bout = new ByteArrayOutputStream(); 167251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski DataOutputStream dout = new DataOutputStream(bout); 167351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 167451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski dout.writeUTF(cl.getName()); 167551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 167651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski int classMods = cl.getModifiers() & 167751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski (Modifier.PUBLIC | Modifier.FINAL | 167851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Modifier.INTERFACE | Modifier.ABSTRACT); 167951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 168051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /* 168151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * compensate for javac bug in which ABSTRACT bit was set for an 168251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * interface only if the interface declared methods 168351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 168451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Method[] methods = cl.getDeclaredMethods(); 168551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if ((classMods & Modifier.INTERFACE) != 0) { 168651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski classMods = (methods.length > 0) ? 168751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski (classMods | Modifier.ABSTRACT) : 168851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski (classMods & ~Modifier.ABSTRACT); 168951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 169051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski dout.writeInt(classMods); 169151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 169251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (!cl.isArray()) { 169351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /* 169451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * compensate for change in 1.2FCS in which 169551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Class.getInterfaces() was modified to return Cloneable and 169651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Serializable for array classes. 169751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 169851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Class<?>[] interfaces = cl.getInterfaces(); 169951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski String[] ifaceNames = new String[interfaces.length]; 170051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski for (int i = 0; i < interfaces.length; i++) { 170151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ifaceNames[i] = interfaces[i].getName(); 170251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 170351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Arrays.sort(ifaceNames); 170451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski for (int i = 0; i < ifaceNames.length; i++) { 170551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski dout.writeUTF(ifaceNames[i]); 170651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 170751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 170851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 170951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Field[] fields = cl.getDeclaredFields(); 171051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski MemberSignature[] fieldSigs = new MemberSignature[fields.length]; 171151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski for (int i = 0; i < fields.length; i++) { 171251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski fieldSigs[i] = new MemberSignature(fields[i]); 171351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 171451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Arrays.sort(fieldSigs, new Comparator<MemberSignature>() { 171551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public int compare(MemberSignature ms1, MemberSignature ms2) { 171651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return ms1.name.compareTo(ms2.name); 171751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 171851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski }); 171951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski for (int i = 0; i < fieldSigs.length; i++) { 172051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski MemberSignature sig = fieldSigs[i]; 172151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski int mods = sig.member.getModifiers() & 172251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski (Modifier.PUBLIC | Modifier.PRIVATE | Modifier.PROTECTED | 172351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Modifier.STATIC | Modifier.FINAL | Modifier.VOLATILE | 172451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Modifier.TRANSIENT); 172551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (((mods & Modifier.PRIVATE) == 0) || 172651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ((mods & (Modifier.STATIC | Modifier.TRANSIENT)) == 0)) 172751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski { 172851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski dout.writeUTF(sig.name); 172951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski dout.writeInt(mods); 173051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski dout.writeUTF(sig.signature); 173151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 173251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 173351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 1734d1ce77d790fb9655f09a25afde0b91faf187a74cPrzemyslaw Szczepaniak boolean checkSuperclass = !(VMRuntime.getRuntime().getTargetSdkVersion() 1735d1ce77d790fb9655f09a25afde0b91faf187a74cPrzemyslaw Szczepaniak <= MAX_SDK_TARGET_FOR_CLINIT_UIDGEN_WORKAROUND); 1736d1ce77d790fb9655f09a25afde0b91faf187a74cPrzemyslaw Szczepaniak if (hasStaticInitializer(cl, checkSuperclass)) { 173751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski dout.writeUTF("<clinit>"); 173851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski dout.writeInt(Modifier.STATIC); 173951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski dout.writeUTF("()V"); 174051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 174151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 174251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Constructor[] cons = cl.getDeclaredConstructors(); 174351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski MemberSignature[] consSigs = new MemberSignature[cons.length]; 174451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski for (int i = 0; i < cons.length; i++) { 174551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski consSigs[i] = new MemberSignature(cons[i]); 174651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 174751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Arrays.sort(consSigs, new Comparator<MemberSignature>() { 174851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public int compare(MemberSignature ms1, MemberSignature ms2) { 174951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return ms1.signature.compareTo(ms2.signature); 175051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 175151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski }); 175251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski for (int i = 0; i < consSigs.length; i++) { 175351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski MemberSignature sig = consSigs[i]; 175451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski int mods = sig.member.getModifiers() & 175551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski (Modifier.PUBLIC | Modifier.PRIVATE | Modifier.PROTECTED | 175651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Modifier.STATIC | Modifier.FINAL | 175751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Modifier.SYNCHRONIZED | Modifier.NATIVE | 175851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Modifier.ABSTRACT | Modifier.STRICT); 175951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if ((mods & Modifier.PRIVATE) == 0) { 176051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski dout.writeUTF("<init>"); 176151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski dout.writeInt(mods); 176251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski dout.writeUTF(sig.signature.replace('/', '.')); 176351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 176451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 176551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 176651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski MemberSignature[] methSigs = new MemberSignature[methods.length]; 176751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski for (int i = 0; i < methods.length; i++) { 176851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski methSigs[i] = new MemberSignature(methods[i]); 176951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 177051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Arrays.sort(methSigs, new Comparator<MemberSignature>() { 177151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public int compare(MemberSignature ms1, MemberSignature ms2) { 177251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski int comp = ms1.name.compareTo(ms2.name); 177351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (comp == 0) { 177451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski comp = ms1.signature.compareTo(ms2.signature); 177551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 177651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return comp; 177751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 177851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski }); 177951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski for (int i = 0; i < methSigs.length; i++) { 178051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski MemberSignature sig = methSigs[i]; 178151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski int mods = sig.member.getModifiers() & 178251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski (Modifier.PUBLIC | Modifier.PRIVATE | Modifier.PROTECTED | 178351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Modifier.STATIC | Modifier.FINAL | 178451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Modifier.SYNCHRONIZED | Modifier.NATIVE | 178551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Modifier.ABSTRACT | Modifier.STRICT); 178651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if ((mods & Modifier.PRIVATE) == 0) { 178751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski dout.writeUTF(sig.name); 178851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski dout.writeInt(mods); 178951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski dout.writeUTF(sig.signature.replace('/', '.')); 179051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 179151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 179251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 179351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski dout.flush(); 179451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 179551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski MessageDigest md = MessageDigest.getInstance("SHA"); 179651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski byte[] hashBytes = md.digest(bout.toByteArray()); 179751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski long hash = 0; 179851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski for (int i = Math.min(hashBytes.length, 8) - 1; i >= 0; i--) { 179951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski hash = (hash << 8) | (hashBytes[i] & 0xFF); 180051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 180151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return hash; 180251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } catch (IOException ex) { 180351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new InternalError(); 180451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } catch (NoSuchAlgorithmException ex) { 180551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new SecurityException(ex.getMessage()); 180651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 180751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 180851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 1809d1ce77d790fb9655f09a25afde0b91faf187a74cPrzemyslaw Szczepaniak /** Max SDK target version for which we use buggy hasStaticIntializier implementation. */ 1810d1ce77d790fb9655f09a25afde0b91faf187a74cPrzemyslaw Szczepaniak static final int MAX_SDK_TARGET_FOR_CLINIT_UIDGEN_WORKAROUND = 23; 1811d1ce77d790fb9655f09a25afde0b91faf187a74cPrzemyslaw Szczepaniak 181251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 181351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns true if the given class defines a static initializer method, 181451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * false otherwise. 1815d1ce77d790fb9655f09a25afde0b91faf187a74cPrzemyslaw Szczepaniak * if checkSuperclass is false, we use a buggy version (for compatibility reason) that 1816d1ce77d790fb9655f09a25afde0b91faf187a74cPrzemyslaw Szczepaniak * will return true even if only the superclass has a static initializer method. 181751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 1818d1ce77d790fb9655f09a25afde0b91faf187a74cPrzemyslaw Szczepaniak private native static boolean hasStaticInitializer(Class<?> cl, boolean checkSuperclass); 1819d1ce77d790fb9655f09a25afde0b91faf187a74cPrzemyslaw Szczepaniak 182051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 182151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 182251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Class for computing and caching field/constructor/method signatures 182351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * during serialVersionUID calculation. 182451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 182551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private static class MemberSignature { 182651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 182751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public final Member member; 182851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public final String name; 182951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public final String signature; 183051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 183151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public MemberSignature(Field field) { 183251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski member = field; 183351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski name = field.getName(); 183451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski signature = getClassSignature(field.getType()); 183551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 183651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 183751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public MemberSignature(Constructor cons) { 183851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski member = cons; 183951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski name = cons.getName(); 184051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski signature = getMethodSignature( 184151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski cons.getParameterTypes(), Void.TYPE); 184251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 184351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 184451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public MemberSignature(Method meth) { 184551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski member = meth; 184651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski name = meth.getName(); 184751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski signature = getMethodSignature( 184851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski meth.getParameterTypes(), meth.getReturnType()); 184951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 185051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 185151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 185251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 185351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Class for setting and retrieving serializable field values in batch. 185451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 185551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // REMIND: dynamically generate these? 185651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private static class FieldReflector { 185751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 185851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** handle for performing unsafe operations */ 185951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private static final Unsafe unsafe = Unsafe.getUnsafe(); 186051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 186151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** fields to operate on */ 186251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private final ObjectStreamField[] fields; 186351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** number of primitive fields */ 186451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private final int numPrimFields; 186551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** unsafe field keys for reading fields - may contain dupes */ 186651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private final long[] readKeys; 186751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** unsafe fields keys for writing fields - no dupes */ 186851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private final long[] writeKeys; 186951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** field data offsets */ 187051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private final int[] offsets; 187151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** field type codes */ 187251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private final char[] typeCodes; 187351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** field types */ 187451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private final Class<?>[] types; 187551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 187651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 187751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Constructs FieldReflector capable of setting/getting values from the 187851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * subset of fields whose ObjectStreamFields contain non-null 187951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * reflective Field objects. ObjectStreamFields with null Fields are 188051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * treated as filler, for which get operations return default values 188151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * and set operations discard given values. 188251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 188351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski FieldReflector(ObjectStreamField[] fields) { 188451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski this.fields = fields; 188551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski int nfields = fields.length; 188651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski readKeys = new long[nfields]; 188751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski writeKeys = new long[nfields]; 188851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski offsets = new int[nfields]; 188951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski typeCodes = new char[nfields]; 189051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ArrayList<Class<?>> typeList = new ArrayList<>(); 189151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Set<Long> usedKeys = new HashSet<>(); 189251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 189351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 189451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski for (int i = 0; i < nfields; i++) { 189551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ObjectStreamField f = fields[i]; 189651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Field rf = f.getField(); 189751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski long key = (rf != null) ? 189851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski unsafe.objectFieldOffset(rf) : Unsafe.INVALID_FIELD_OFFSET; 189951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski readKeys[i] = key; 190051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski writeKeys[i] = usedKeys.add(key) ? 190151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski key : Unsafe.INVALID_FIELD_OFFSET; 190251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski offsets[i] = f.getOffset(); 190351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski typeCodes[i] = f.getTypeCode(); 190451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (!f.isPrimitive()) { 190551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski typeList.add((rf != null) ? rf.getType() : null); 190651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 190751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 190851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 190951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski types = typeList.toArray(new Class<?>[typeList.size()]); 191051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski numPrimFields = nfields - types.length; 191151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 191251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 191351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 191451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns list of ObjectStreamFields representing fields operated on 191551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * by this reflector. The shared/unshared values and Field objects 191651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * contained by ObjectStreamFields in the list reflect their bindings 191751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * to locally defined serializable fields. 191851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 191951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ObjectStreamField[] getFields() { 192051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return fields; 192151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 192251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 192351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 192451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Fetches the serializable primitive field values of object obj and 192551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * marshals them into byte array buf starting at offset 0. The caller 192651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * is responsible for ensuring that obj is of the proper type. 192751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 192851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski void getPrimFieldValues(Object obj, byte[] buf) { 192951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (obj == null) { 193051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new NullPointerException(); 193151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 193251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /* assuming checkDefaultSerialize() has been called on the class 193351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * descriptor this FieldReflector was obtained from, no field keys 193451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * in array should be equal to Unsafe.INVALID_FIELD_OFFSET. 193551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 193651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski for (int i = 0; i < numPrimFields; i++) { 193751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski long key = readKeys[i]; 193851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski int off = offsets[i]; 193951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski switch (typeCodes[i]) { 194051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski case 'Z': 194151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Bits.putBoolean(buf, off, unsafe.getBoolean(obj, key)); 194251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski break; 194351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 194451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski case 'B': 194551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski buf[off] = unsafe.getByte(obj, key); 194651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski break; 194751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 194851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski case 'C': 194951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Bits.putChar(buf, off, unsafe.getChar(obj, key)); 195051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski break; 195151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 195251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski case 'S': 195351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Bits.putShort(buf, off, unsafe.getShort(obj, key)); 195451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski break; 195551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 195651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski case 'I': 195751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Bits.putInt(buf, off, unsafe.getInt(obj, key)); 195851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski break; 195951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 196051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski case 'F': 196151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Bits.putFloat(buf, off, unsafe.getFloat(obj, key)); 196251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski break; 196351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 196451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski case 'J': 196551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Bits.putLong(buf, off, unsafe.getLong(obj, key)); 196651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski break; 196751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 196851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski case 'D': 196951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Bits.putDouble(buf, off, unsafe.getDouble(obj, key)); 197051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski break; 197151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 197251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski default: 197351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new InternalError(); 197451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 197551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 197651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 197751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 197851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 197951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Sets the serializable primitive fields of object obj using values 198051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * unmarshalled from byte array buf starting at offset 0. The caller 198151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * is responsible for ensuring that obj is of the proper type. 198251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 198351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski void setPrimFieldValues(Object obj, byte[] buf) { 198451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (obj == null) { 198551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new NullPointerException(); 198651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 198751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski for (int i = 0; i < numPrimFields; i++) { 198851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski long key = writeKeys[i]; 198951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (key == Unsafe.INVALID_FIELD_OFFSET) { 199051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski continue; // discard value 199151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 199251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski int off = offsets[i]; 199351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski switch (typeCodes[i]) { 199451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski case 'Z': 199551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski unsafe.putBoolean(obj, key, Bits.getBoolean(buf, off)); 199651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski break; 199751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 199851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski case 'B': 199951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski unsafe.putByte(obj, key, buf[off]); 200051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski break; 200151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 200251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski case 'C': 200351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski unsafe.putChar(obj, key, Bits.getChar(buf, off)); 200451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski break; 200551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 200651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski case 'S': 200751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski unsafe.putShort(obj, key, Bits.getShort(buf, off)); 200851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski break; 200951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 201051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski case 'I': 201151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski unsafe.putInt(obj, key, Bits.getInt(buf, off)); 201251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski break; 201351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 201451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski case 'F': 201551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski unsafe.putFloat(obj, key, Bits.getFloat(buf, off)); 201651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski break; 201751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 201851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski case 'J': 201951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski unsafe.putLong(obj, key, Bits.getLong(buf, off)); 202051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski break; 202151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 202251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski case 'D': 202351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski unsafe.putDouble(obj, key, Bits.getDouble(buf, off)); 202451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski break; 202551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 202651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski default: 202751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new InternalError(); 202851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 202951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 203051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 203151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 203251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 203351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Fetches the serializable object field values of object obj and 203451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * stores them in array vals starting at offset 0. The caller is 203551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * responsible for ensuring that obj is of the proper type. 203651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 203751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski void getObjFieldValues(Object obj, Object[] vals) { 203851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (obj == null) { 203951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new NullPointerException(); 204051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 204151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /* assuming checkDefaultSerialize() has been called on the class 204251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * descriptor this FieldReflector was obtained from, no field keys 204351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * in array should be equal to Unsafe.INVALID_FIELD_OFFSET. 204451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 204551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski for (int i = numPrimFields; i < fields.length; i++) { 204651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski switch (typeCodes[i]) { 204751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski case 'L': 204851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski case '[': 204951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski vals[offsets[i]] = unsafe.getObject(obj, readKeys[i]); 205051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski break; 205151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 205251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski default: 205351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new InternalError(); 205451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 205551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 205651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 205751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 205851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 205951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Sets the serializable object fields of object obj using values from 206051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * array vals starting at offset 0. The caller is responsible for 206151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * ensuring that obj is of the proper type; however, attempts to set a 206251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * field with a value of the wrong type will trigger an appropriate 206351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * ClassCastException. 206451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 206551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski void setObjFieldValues(Object obj, Object[] vals) { 206651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (obj == null) { 206751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new NullPointerException(); 206851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 206951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski for (int i = numPrimFields; i < fields.length; i++) { 207051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski long key = writeKeys[i]; 207151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (key == Unsafe.INVALID_FIELD_OFFSET) { 207251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski continue; // discard value 207351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 207451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski switch (typeCodes[i]) { 207551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski case 'L': 207651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski case '[': 207751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Object val = vals[offsets[i]]; 207851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (val != null && 207951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski !types[i - numPrimFields].isInstance(val)) 208051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski { 208151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Field f = fields[i].getField(); 208251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new ClassCastException( 208351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski "cannot assign instance of " + 208451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski val.getClass().getName() + " to field " + 208551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski f.getDeclaringClass().getName() + "." + 208651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski f.getName() + " of type " + 208751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski f.getType().getName() + " in instance of " + 208851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski obj.getClass().getName()); 208951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 209051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski unsafe.putObject(obj, key, val); 209151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski break; 209251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 209351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski default: 209451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new InternalError(); 209551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 209651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 209751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 209851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 209951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 210051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 210151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Matches given set of serializable fields with serializable fields 210251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * described by the given local class descriptor, and returns a 210351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * FieldReflector instance capable of setting/getting values from the 210451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * subset of fields that match (non-matching fields are treated as filler, 210551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * for which get operations return default values and set operations 210651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * discard given values). Throws InvalidClassException if unresolvable 210751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * type conflicts exist between the two sets of fields. 210851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 210951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private static FieldReflector getReflector(ObjectStreamField[] fields, 211051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ObjectStreamClass localDesc) 211151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throws InvalidClassException 211251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski { 211351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski // class irrelevant if no fields 211451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Class<?> cl = (localDesc != null && fields.length > 0) ? 211551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski localDesc.cl : null; 211651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski processQueue(Caches.reflectorsQueue, Caches.reflectors); 211751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski FieldReflectorKey key = new FieldReflectorKey(cl, fields, 211851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Caches.reflectorsQueue); 211951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Reference<?> ref = Caches.reflectors.get(key); 212051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Object entry = null; 212151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (ref != null) { 212251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski entry = ref.get(); 212351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 212451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski EntryFuture future = null; 212551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (entry == null) { 212651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski EntryFuture newEntry = new EntryFuture(); 212751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Reference<?> newRef = new SoftReference<>(newEntry); 212851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski do { 212951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (ref != null) { 213051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Caches.reflectors.remove(key, ref); 213151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 213251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ref = Caches.reflectors.putIfAbsent(key, newRef); 213351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (ref != null) { 213451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski entry = ref.get(); 213551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 213651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } while (ref != null && entry == null); 213751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (entry == null) { 213851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski future = newEntry; 213951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 214051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 214151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 214251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (entry instanceof FieldReflector) { // check common case first 214351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return (FieldReflector) entry; 214451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else if (entry instanceof EntryFuture) { 214551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski entry = ((EntryFuture) entry).get(); 214651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else if (entry == null) { 214751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski try { 214851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski entry = new FieldReflector(matchFields(fields, localDesc)); 214951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } catch (Throwable th) { 215051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski entry = th; 215151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 215251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski future.set(entry); 215351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Caches.reflectors.put(key, new SoftReference<Object>(entry)); 215451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 215551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 215651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (entry instanceof FieldReflector) { 215751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return (FieldReflector) entry; 215851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else if (entry instanceof InvalidClassException) { 215951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw (InvalidClassException) entry; 216051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else if (entry instanceof RuntimeException) { 216151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw (RuntimeException) entry; 216251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else if (entry instanceof Error) { 216351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw (Error) entry; 216451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else { 216551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throw new InternalError("unexpected entry: " + entry); 216651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 216751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 216851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 216951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 217051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * FieldReflector cache lookup key. Keys are considered equal if they 217151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * refer to the same class and equivalent field formats. 217251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 217351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private static class FieldReflectorKey extends WeakReference<Class<?>> { 217451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 217551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private final String sigs; 217651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private final int hash; 217751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private final boolean nullClass; 217851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 217951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski FieldReflectorKey(Class<?> cl, ObjectStreamField[] fields, 218051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ReferenceQueue<Class<?>> queue) 218151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski { 218251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski super(cl, queue); 218351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski nullClass = (cl == null); 218451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski StringBuilder sbuf = new StringBuilder(); 218551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski for (int i = 0; i < fields.length; i++) { 218651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ObjectStreamField f = fields[i]; 218751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski sbuf.append(f.getName()).append(f.getSignature()); 218851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 218951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski sigs = sbuf.toString(); 219051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski hash = System.identityHashCode(cl) + sigs.hashCode(); 219151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 219251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 219351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public int hashCode() { 219451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return hash; 219551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 219651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 219751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public boolean equals(Object obj) { 219851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (obj == this) { 219951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return true; 220051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 220151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 220251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (obj instanceof FieldReflectorKey) { 220351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski FieldReflectorKey other = (FieldReflectorKey) obj; 220451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Class<?> referent; 220551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return (nullClass ? other.nullClass 220651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski : ((referent = get()) != null) && 220751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski (referent == other.get())) && 220851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski sigs.equals(other.sigs); 220951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else { 221051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return false; 221151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 221251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 221351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 221451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 221551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 221651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Matches given set of serializable fields with serializable fields 221751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * obtained from the given local class descriptor (which contain bindings 221851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * to reflective Field objects). Returns list of ObjectStreamFields in 221951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * which each ObjectStreamField whose signature matches that of a local 222051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * field contains a Field object for that field; unmatched 222151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * ObjectStreamFields contain null Field objects. Shared/unshared settings 222251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * of the returned ObjectStreamFields also reflect those of matched local 222351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * ObjectStreamFields. Throws InvalidClassException if unresolvable type 222451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * conflicts exist between the two sets of fields. 222551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 222651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private static ObjectStreamField[] matchFields(ObjectStreamField[] fields, 222751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ObjectStreamClass localDesc) 222851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski throws InvalidClassException 222951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski { 223051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ObjectStreamField[] localFields = (localDesc != null) ? 223151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski localDesc.fields : NO_FIELDS; 223251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 223351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /* 223451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Even if fields == localFields, we cannot simply return localFields 223551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * here. In previous implementations of serialization, 223651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * ObjectStreamField.getType() returned Object.class if the 223751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * ObjectStreamField represented a non-primitive field and belonged to 223851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * a non-local class descriptor. To preserve this (questionable) 223951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * behavior, the ObjectStreamField instances returned by matchFields 224051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * cannot report non-primitive types other than Object.class; hence 224151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * localFields cannot be returned directly. 224251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 224351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 224451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ObjectStreamField[] matches = new ObjectStreamField[fields.length]; 224551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski for (int i = 0; i < fields.length; i++) { 224651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ObjectStreamField f = fields[i], m = null; 224751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski for (int j = 0; j < localFields.length; j++) { 224851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ObjectStreamField lf = localFields[j]; 224975febb0b6fbb822a66c6771798297806c06decbePrzemyslaw Szczepaniak // Android-changed: We can have fields with a same name and a different type. 225075febb0b6fbb822a66c6771798297806c06decbePrzemyslaw Szczepaniak if (f.getName().equals(lf.getName()) && 225175febb0b6fbb822a66c6771798297806c06decbePrzemyslaw Szczepaniak f.getSignature().equals(lf.getSignature())) { 225251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (lf.getField() != null) { 225351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski m = new ObjectStreamField( 225451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski lf.getField(), lf.isUnshared(), false); 225551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else { 225651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski m = new ObjectStreamField( 225751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski lf.getName(), lf.getSignature(), lf.isUnshared()); 225851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 225951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 226051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 226151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (m == null) { 226251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski m = new ObjectStreamField( 226351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski f.getName(), f.getSignature(), false); 226451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 226551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski m.setOffset(f.getOffset()); 226651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski matches[i] = m; 226751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 226851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return matches; 226951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 227051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 2271dde34deda1ddfd5f9860850e7b3730acaca6fb59Narayan Kamath // NOTE: The following couple of methods are left here because frameworks such as objenesis 2272dde34deda1ddfd5f9860850e7b3730acaca6fb59Narayan Kamath // use them. 2273dde34deda1ddfd5f9860850e7b3730acaca6fb59Narayan Kamath // 2274dde34deda1ddfd5f9860850e7b3730acaca6fb59Narayan Kamath // **** THESE METHODS WILL BE REMOVED IN A FUTURE ANDROID RELEASE ****. 2275dde34deda1ddfd5f9860850e7b3730acaca6fb59Narayan Kamath // 2276dde34deda1ddfd5f9860850e7b3730acaca6fb59Narayan Kamath private static long getConstructorId(Class<?> clazz) { 2277dde34deda1ddfd5f9860850e7b3730acaca6fb59Narayan Kamath System.logE("WARNING: ObjectStreamClass.getConstructorId(Class<?>) is private API and" + 2278dde34deda1ddfd5f9860850e7b3730acaca6fb59Narayan Kamath "will be removed in a future Android release."); 2279dde34deda1ddfd5f9860850e7b3730acaca6fb59Narayan Kamath // NOTE: This method is a stub that returns a fixed value. It's meant to be used 2280dde34deda1ddfd5f9860850e7b3730acaca6fb59Narayan Kamath // with newInstance(Class<?>, long) and our current implementation of that method ignores 2281dde34deda1ddfd5f9860850e7b3730acaca6fb59Narayan Kamath // the "constructorId" argument. We return : 2282dde34deda1ddfd5f9860850e7b3730acaca6fb59Narayan Kamath // 2283dde34deda1ddfd5f9860850e7b3730acaca6fb59Narayan Kamath // oh one one eight nine nine nine 2284dde34deda1ddfd5f9860850e7b3730acaca6fb59Narayan Kamath // eight eight one nine nine 2285dde34deda1ddfd5f9860850e7b3730acaca6fb59Narayan Kamath // nine one one nine seven two five 2286dde34deda1ddfd5f9860850e7b3730acaca6fb59Narayan Kamath // three 2287dde34deda1ddfd5f9860850e7b3730acaca6fb59Narayan Kamath // 2288dde34deda1ddfd5f9860850e7b3730acaca6fb59Narayan Kamath // in all cases. 2289dde34deda1ddfd5f9860850e7b3730acaca6fb59Narayan Kamath return 1189998819991197253L; 2290dde34deda1ddfd5f9860850e7b3730acaca6fb59Narayan Kamath } 2291dde34deda1ddfd5f9860850e7b3730acaca6fb59Narayan Kamath private static Object newInstance(Class<?> clazz, long constructorId) { 2292dde34deda1ddfd5f9860850e7b3730acaca6fb59Narayan Kamath System.logE("WARNING: ObjectStreamClass.newInstance(Class<?>, long) is private API and" + 2293dde34deda1ddfd5f9860850e7b3730acaca6fb59Narayan Kamath "will be removed in a future Android release."); 2294dde34deda1ddfd5f9860850e7b3730acaca6fb59Narayan Kamath return sun.misc.Unsafe.getUnsafe().allocateInstance(clazz); 2295dde34deda1ddfd5f9860850e7b3730acaca6fb59Narayan Kamath } 2296dde34deda1ddfd5f9860850e7b3730acaca6fb59Narayan Kamath 229751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 229851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Removes from the specified map any keys that have been enqueued 229951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * on the specified reference queue. 230051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 230151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski static void processQueue(ReferenceQueue<Class<?>> queue, 230251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski ConcurrentMap<? extends 230351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski WeakReference<Class<?>>, ?> map) 230451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski { 230551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Reference<? extends Class<?>> ref; 230651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski while((ref = queue.poll()) != null) { 230751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski map.remove(ref); 230851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 230951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 231051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 231151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 231251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Weak key for Class objects. 231351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * 231451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski **/ 231551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski static class WeakClassKey extends WeakReference<Class<?>> { 231651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 231751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * saved value of the referent's identity hash code, to maintain 231851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * a consistent hash code after the referent has been cleared 231951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 232051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski private final int hash; 232151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 232251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 232351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Create a new WeakClassKey to the given object, registered 232451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * with a queue. 232551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 232651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski WeakClassKey(Class<?> cl, ReferenceQueue<Class<?>> refQueue) { 232751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski super(cl, refQueue); 232851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski hash = System.identityHashCode(cl); 232951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 233051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 233151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 233251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns the identity hash code of the original referent. 233351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 233451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public int hashCode() { 233551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return hash; 233651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 233751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 233851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski /** 233951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * Returns true if the given object is this identical 234051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * WeakClassKey instance, or, if this object's referent has not 234151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * been cleared, if the given object is another WeakClassKey 234251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski * instance with the identical non-null referent as this one. 234351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski */ 234451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski public boolean equals(Object obj) { 234551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (obj == this) { 234651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return true; 234751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 234851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski 234951b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski if (obj instanceof WeakClassKey) { 235051b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski Object referent = get(); 235151b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return (referent != null) && 235251b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski (referent == ((WeakClassKey) obj).get()); 235351b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } else { 235451b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski return false; 235551b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 235651b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 235751b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski } 235851b1b6997fd3f980076b8081f7f1165ccc2a4008Piotr Jastrzebski} 2359