1/* 2 * Copyright (c) 2009, 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/* 25 * @test 26 * @bug 6329581 27 * @summary Tests encoding of a class with custom ClassLoader 28 * @author Sergey Malenkov 29 */ 30 31import java.beans.ExceptionListener; 32import java.beans.XMLDecoder; 33import java.beans.XMLEncoder; 34import java.io.ByteArrayInputStream; 35import java.io.ByteArrayOutputStream; 36import java.net.URL; 37import java.net.URLClassLoader; 38 39public class Test6329581 extends URLClassLoader implements ExceptionListener { 40 public static final class Bean { 41 } 42 43 public static void main(String[] args) throws Exception { 44 new Test6329581().decode(new Test6329581().encode(Bean.class.getName())); 45 } 46 47 private Test6329581() { 48 super(new URL[] { 49 Test6329581.class.getProtectionDomain().getCodeSource().getLocation() 50 }); 51 } 52 53 @Override 54 protected Class loadClass(String name, boolean resolve) throws ClassNotFoundException { 55 Class c = findLoadedClass(name); 56 if (c == null) { 57 if (Bean.class.getName().equals(name)) { 58 c = findClass(name); 59 } 60 else try { 61 c = getParent().loadClass(name); 62 } 63 catch (ClassNotFoundException exception) { 64 c = findClass(name); 65 } 66 } 67 if (resolve) { 68 resolveClass(c); 69 } 70 return c; 71 } 72 73 public void exceptionThrown(Exception exception) { 74 throw new Error("unexpected exception", exception); 75 } 76 77 private void validate(Object object) { 78 if (!object.getClass().getClassLoader().equals(this)) { 79 throw new Error("Bean is loaded with unexpected class loader"); 80 } 81 } 82 83 private byte[] encode(String name) throws Exception { 84 Object object = loadClass(name).newInstance(); 85 validate(object); 86 ByteArrayOutputStream out = new ByteArrayOutputStream(); 87 XMLEncoder encoder = new XMLEncoder(out); 88 encoder.setExceptionListener(this); 89 encoder.writeObject(object); 90 encoder.close(); 91 return out.toByteArray(); 92 } 93 94 private Object decode(byte[] array) { 95 ByteArrayInputStream in = new ByteArrayInputStream(array); 96 XMLDecoder decoder = new XMLDecoder(in, null, this, this); 97 Object object = decoder.readObject(); 98 validate(object); 99 decoder.close(); 100 return object; 101 } 102} 103