/* * 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 * @bug 4413817 8004928 * @summary Verify that ObjectInputStream.resolveProxyClass can properly * resolve a dynamic proxy class which implements a non-public * interface not defined in the latest user defined class loader. */ import java.io.*; import java.lang.reflect.InvocationHandler; import java.lang.reflect.Method; import java.lang.reflect.Modifier; import java.lang.reflect.Proxy; public class NonPublicInterface { static class Handler implements InvocationHandler, Serializable { public Object invoke(Object obj, Method meth, Object[] args) { return null; } } public static final String nonPublicIntrfaceName = "java.util.zip.ZipConstants"; public static void main(String[] args) throws Exception { Class<?> nonPublic = Class.forName(nonPublicIntrfaceName); if (Modifier.isPublic(nonPublic.getModifiers())) { throw new Error("Interface " + nonPublicIntrfaceName + " is public and need to be changed!"); } ByteArrayOutputStream bout = new ByteArrayOutputStream(); ObjectOutputStream oout = new ObjectOutputStream(bout); oout.writeObject(Proxy.newProxyInstance(nonPublic.getClassLoader(), new Class<?>[]{ nonPublic }, new Handler())); oout.close(); ObjectInputStream oin = new ObjectInputStream( new ByteArrayInputStream(bout.toByteArray())); oin.readObject(); } }