/* * 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 * @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.*; public class NonPublicInterface { static class Handler implements InvocationHandler, Serializable { public Object invoke(Object obj, Method meth, Object[] args) { return null; } } public static void main(String[] args) throws Exception { Class nonPublic = null; String[] nonPublicInterfaces = new String[] { "java.awt.Conditional", "java.util.zip.ZipConstants", "javax.swing.GraphicsWrapper", "javax.swing.JPopupMenu$Popup", "javax.swing.JTable$Resizable2", "javax.swing.JTable$Resizable3", "javax.swing.ToolTipManager$Popup", "sun.audio.Format", "sun.audio.HaePlayable", "sun.tools.agent.StepConstants", }; for (int i = 0; i < nonPublicInterfaces.length; i++) { try { nonPublic = Class.forName(nonPublicInterfaces[i]); break; } catch (ClassNotFoundException ex) { } } if (nonPublic == null) { throw new Error("couldn't find system non-public interface"); } 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(); } }