1 /* 2 * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /* @test 25 * @bug 4413817 8004928 26 * @summary Verify that ObjectInputStream.resolveProxyClass can properly 27 * resolve a dynamic proxy class which implements a non-public 28 * interface not defined in the latest user defined class loader. 29 */ 30 31 import java.io.*; 32 import java.lang.reflect.InvocationHandler; 33 import java.lang.reflect.Method; 34 import java.lang.reflect.Modifier; 35 import java.lang.reflect.Proxy; 36 37 public class NonPublicInterface { 38 39 static class Handler implements InvocationHandler, Serializable { 40 public Object invoke(Object obj, Method meth, Object[] args) { 41 return null; 42 } 43 } 44 45 public static final String nonPublicIntrfaceName = "java.util.zip.ZipConstants"; 46 47 public static void main(String[] args) throws Exception { 48 Class<?> nonPublic = Class.forName(nonPublicIntrfaceName); 49 if (Modifier.isPublic(nonPublic.getModifiers())) { 50 throw new Error("Interface " + nonPublicIntrfaceName + 51 " is public and need to be changed!"); 52 } 53 54 ByteArrayOutputStream bout = new ByteArrayOutputStream(); 55 ObjectOutputStream oout = new ObjectOutputStream(bout); 56 oout.writeObject(Proxy.newProxyInstance(nonPublic.getClassLoader(), 57 new Class<?>[]{ nonPublic }, new Handler())); 58 oout.close(); 59 ObjectInputStream oin = new ObjectInputStream( 60 new ByteArrayInputStream(bout.toByteArray())); 61 oin.readObject(); 62 } 63 }