/*

 * Copyright (c) 2007, 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 5004188

 * @run main TestSerialization 1.5.0_10.ser 1.6.0.ser

 * @summary Tests serialization of PropertyChangeSupport

 * @author Sergey Malenkov

 */

import java.beans.PropertyChangeEvent;

import java.beans.PropertyChangeListener;

import java.beans.PropertyChangeListenerProxy;

import java.beans.PropertyChangeSupport;

import java.io.ByteArrayOutputStream;

import java.io.File;

import java.io.FileInputStream;

import java.io.FileOutputStream;

import java.io.ObjectInputStream;

import java.io.ObjectOutputStream;

import java.io.Serializable;

public final class TestSerialization implements PropertyChangeListener, Serializable {

    private static final String NAME = "property";

    public static void main(String[] args) throws Exception {

        if (args.length == 0) {

            String file = System.getProperty("java.version") + ".ser";

            serialize(file, create());

        }

        else {

            byte[] array = serialize(create());

            for (String file : args) {

                check(deserialize(file));

                check(array, read(file));

            }

        }

    }

    private static PropertyChangeSupport create() {

        PropertyChangeSupport pcs = new PropertyChangeSupport(TestSerialization.class);

        pcs.addPropertyChangeListener(new TestSerialization(0));

        pcs.addPropertyChangeListener(NAME, new TestSerialization(1));

        return pcs;

    }

    private static void check(PropertyChangeSupport pcs) {

        PropertyChangeListener[] namedListeners = pcs.getPropertyChangeListeners(NAME);

        check(namedListeners, 1);

        check(namedListeners[0], 1);

        PropertyChangeListener[] allListeners = pcs.getPropertyChangeListeners();

        check(allListeners, 2);

        check(allListeners[0], 0);

        check(allListeners[1], 1, NAME);

    }

    private static void check(byte[] a1, byte[] a2) {

        int length = a1.length;

        if (length != a2.length)

            throw new Error("Different file sizes: " + length + " != " + a2.length);

        for (int i = 0; i < length; i++)

            if (a1[i] != a2[i])

                throw new Error("Different bytes at " + i + " position");

    }

    private static void check(PropertyChangeListener[] array, int length) {

        if (length != array.length)

            throw new Error("Unexpected amount of listeners: " + array.length);

    }

    private static void check(PropertyChangeListener listener, int index) {

        if (!(listener instanceof TestSerialization))

            throw new Error("Unexpected listener: " + listener);

        TestSerialization object = (TestSerialization)listener;

        if (index != object.index)

            throw new Error("Unexpected index: " + index + " != " + object.index);

    }

    private static void check(PropertyChangeListener listener, int index, String name) {

        if (!(listener instanceof PropertyChangeListenerProxy))

            throw new Error("Unexpected listener: " + listener);

        PropertyChangeListenerProxy object = (PropertyChangeListenerProxy)listener;

        if (!name.equals(object.getPropertyName()))

            throw new Error("Unexpected name: " + name + " != " + object.getPropertyName());

        check((PropertyChangeListener)object.getListener(), index);

    }

    private static byte[] read(String file) throws Exception {

        FileInputStream stream = null;

        try {

            stream = new FileInputStream(new File(System.getProperty("test.src", "."), file));

            ByteArrayOutputStream out = new ByteArrayOutputStream();

            for (int i = stream.read(); i != -1; i = stream.read())

                out.write(i);

            return out.toByteArray();

        }

        finally {

            if (stream != null)

                stream.close();

        }

    }

    private static PropertyChangeSupport deserialize(String file) throws Exception {

        ObjectInputStream stream = null;

        try {

            stream = new ObjectInputStream(new FileInputStream(new File(System.getProperty("test.src", "."), file)));

            return (PropertyChangeSupport)stream.readObject();

        }

        finally {

            if (stream != null)

                stream.close();

        }

    }

    private static void serialize(String file, PropertyChangeSupport pcs) throws Exception {

        ObjectOutputStream stream = null;

        try {

            stream = new ObjectOutputStream(new FileOutputStream(new File(System.getProperty("test.src", "."), file)));

            stream.writeObject(pcs);

        }

        finally {

            if (stream != null)

                stream.close();

        }

    }

    private static byte[] serialize(PropertyChangeSupport pcs) throws Exception {

        ObjectOutputStream stream = null;

        try {

            ByteArrayOutputStream out = new ByteArrayOutputStream();

            stream = new ObjectOutputStream(out);

            stream.writeObject(pcs);

            return out.toByteArray();

        }

        finally {

            if (stream != null)

                stream.close();

        }

    }

    private int index;

    public TestSerialization(int index) {

        this.index = index;

    }

    public int getIndex() {

        return this.index;

    }

    public void propertyChange(PropertyChangeEvent event) {

    }

}