103 lines
3.3 KiB
Java
103 lines
3.3 KiB
Java
/*
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* Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 6329581
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* @summary Tests encoding of a class with custom ClassLoader
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* @author Sergey Malenkov
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*/
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import java.beans.ExceptionListener;
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import java.beans.XMLDecoder;
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import java.beans.XMLEncoder;
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import java.io.ByteArrayInputStream;
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import java.io.ByteArrayOutputStream;
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import java.net.URL;
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import java.net.URLClassLoader;
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public class Test6329581 extends URLClassLoader implements ExceptionListener {
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public static final class Bean {
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}
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public static void main(String[] args) throws Exception {
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new Test6329581().decode(new Test6329581().encode(Bean.class.getName()));
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}
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private Test6329581() {
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super(new URL[] {
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Test6329581.class.getProtectionDomain().getCodeSource().getLocation()
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});
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}
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@Override
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protected Class loadClass(String name, boolean resolve) throws ClassNotFoundException {
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Class c = findLoadedClass(name);
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if (c == null) {
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if (Bean.class.getName().equals(name)) {
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c = findClass(name);
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}
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else try {
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c = getParent().loadClass(name);
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}
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catch (ClassNotFoundException exception) {
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c = findClass(name);
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}
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}
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if (resolve) {
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resolveClass(c);
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}
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return c;
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}
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public void exceptionThrown(Exception exception) {
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throw new Error("unexpected exception", exception);
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}
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private void validate(Object object) {
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if (!object.getClass().getClassLoader().equals(this)) {
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throw new Error("Bean is loaded with unexpected class loader");
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}
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}
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private byte[] encode(String name) throws Exception {
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Object object = loadClass(name).newInstance();
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validate(object);
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ByteArrayOutputStream out = new ByteArrayOutputStream();
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XMLEncoder encoder = new XMLEncoder(out);
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encoder.setExceptionListener(this);
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encoder.writeObject(object);
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encoder.close();
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return out.toByteArray();
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}
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private Object decode(byte[] array) {
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ByteArrayInputStream in = new ByteArrayInputStream(array);
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XMLDecoder decoder = new XMLDecoder(in, null, this, this);
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Object object = decoder.readObject();
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validate(object);
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decoder.close();
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return object;
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}
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}
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