| /* |
| * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* @test |
| * @summary Ensure that serialization invokes writeReplace/readResolve methods |
| * on dynamic proxies, just as with normal objects. |
| */ |
| |
| import java.io.*; |
| import java.lang.reflect.*; |
| |
| public class Test implements InvocationHandler, Serializable { |
| |
| static ClassLoader loader = Test.class.getClassLoader(); |
| |
| public Object invoke(Object proxy, Method method, Object[] args) |
| throws Throwable |
| { |
| String methName = method.getName(); |
| if (methName.equals("writeReplace")) { |
| return Proxy.newProxyInstance( |
| loader, new Class[] { ReadResolve.class }, this); |
| } else if (methName.equals("readResolve")) { |
| return Proxy.newProxyInstance( |
| loader, new Class[] { Resolved.class }, this); |
| } else if (method.getDeclaringClass() == Object.class) { |
| return method.invoke(this, args); |
| } else { |
| throw new Error(); |
| } |
| } |
| |
| public static void main(String[] args) throws Exception { |
| ByteArrayOutputStream bout = new ByteArrayOutputStream(); |
| ObjectOutputStream oout = new ObjectOutputStream(bout); |
| oout.writeObject(Proxy.newProxyInstance( |
| loader, new Class[] { WriteReplace.class }, new Test())); |
| oout.close(); |
| ObjectInputStream oin = new ObjectInputStream( |
| new ByteArrayInputStream(bout.toByteArray())); |
| if (!(oin.readObject() instanceof Resolved)) { |
| throw new Error(); |
| } |
| } |
| } |