Java Object Deep Copy deepCopy(final Object oldObj)

Description

deep Copy

License

Open Source License

Declaration

static public Object deepCopy(final Object oldObj) 

Method Source Code

//package com.java2s;
/*//from  ww  w. j  ava 2s  .co  m
 * Copyright (C) 2011 Openismus GmbH
 *
 * This file is part of GWT-Glom.
 *
 * GWT-Glom is free software: you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or (at your
 * option) any later version.
 *
 * GWT-Glom 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 Lesser General Public License
 * for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with GWT-Glom.  If not, see <http://www.gnu.org/licenses/>.
 */

import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;

import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;

public class Main {
    static public Object deepCopy(final Object oldObj) {
        ObjectOutputStream oos = null;
        ObjectInputStream ois = null;

        try {
            final ByteArrayOutputStream bos = new ByteArrayOutputStream();
            oos = new ObjectOutputStream(bos);
            // serialize and pass the object
            oos.writeObject(oldObj);
            oos.flush();
            final ByteArrayInputStream bin = new ByteArrayInputStream(bos.toByteArray());
            ois = new ObjectInputStream(bin);

            // return the new object
            return ois.readObject();
        } catch (final Exception e) {
            System.out.println("Exception in deepCopy:" + e);
            return null;
        } finally {
            try {
                oos.close();
                ois.close();
            } catch (final IOException e) {
                System.out.println("Exception in deepCopy during finally: " + e);
                return null;
            }
        }
    }
}

Related

1. deepCopy(File fromDir, File toDir)
2. deepCopy(final Class c, final Serializable s)
3. deepCopy(List src)
4. deepCopy(List src)
5. deepCopy(Object o)
6. deepCopy(Object obj1, Object obj2)