/*

 * 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.

 *

 */

/*

 * @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;

    }

}