1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102
|
/*
* Copyright (c) 2009, 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 6329581
* @summary Tests encoding of a class with custom ClassLoader
* @author Sergey Malenkov
*/
import java.beans.ExceptionListener;
import java.beans.XMLDecoder;
import java.beans.XMLEncoder;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.net.URL;
import java.net.URLClassLoader;
public class Test6329581 extends URLClassLoader implements ExceptionListener {
public static final class Bean {
}
public static void main(String[] args) throws Exception {
new Test6329581().decode(new Test6329581().encode(Bean.class.getName()));
}
private Test6329581() {
super(new URL[] {
Test6329581.class.getProtectionDomain().getCodeSource().getLocation()
});
}
@Override
protected Class loadClass(String name, boolean resolve) throws ClassNotFoundException {
Class c = findLoadedClass(name);
if (c == null) {
if (Bean.class.getName().equals(name)) {
c = findClass(name);
}
else try {
c = getParent().loadClass(name);
}
catch (ClassNotFoundException exception) {
c = findClass(name);
}
}
if (resolve) {
resolveClass(c);
}
return c;
}
public void exceptionThrown(Exception exception) {
throw new Error("unexpected exception", exception);
}
private void validate(Object object) {
if (!object.getClass().getClassLoader().equals(this)) {
throw new Error("Bean is loaded with unexpected class loader");
}
}
private byte[] encode(String name) throws Exception {
Object object = loadClass(name).newInstance();
validate(object);
ByteArrayOutputStream out = new ByteArrayOutputStream();
XMLEncoder encoder = new XMLEncoder(out);
encoder.setExceptionListener(this);
encoder.writeObject(object);
encoder.close();
return out.toByteArray();
}
private Object decode(byte[] array) {
ByteArrayInputStream in = new ByteArrayInputStream(array);
XMLDecoder decoder = new XMLDecoder(in, null, this, this);
Object object = decoder.readObject();
validate(object);
decoder.close();
return object;
}
}
|