Mega Code Archive
Copy an serializable object deeply
<![CDATA[
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.io.Serializable;
/*
* JBoss, Home of Professional Open Source
* Copyright 2005, JBoss Inc., and individual contributors as indicated
* by the @authors tag. See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This 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 2.1 of
* the License, or (at your option) any later version.
*
* This software 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 this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
public class Main {
// ///////////////////////////////////////////////////////////////////////
// Cloning Methods //
// ///////////////////////////////////////////////////////////////////////
/**
* Copy an serializable object deeply.
*
* @param obj
* Object to copy.
* @return Copied object.
*
* @throws IOException
* @throws ClassNotFoundException
*/
public static Object copy(final Serializable obj) throws IOException, ClassNotFoundException {
ObjectOutputStream out = null;
ObjectInputStream in = null;
Object copy = null;
try {
// write the object
ByteArrayOutputStream baos = new ByteArrayOutputStream();
out = new ObjectOutputStream(baos);
out.writeObject(obj);
out.flush();
// read in the copy
byte data[] = baos.toByteArray();
ByteArrayInputStream bais = new ByteArrayInputStream(data);
in = new ObjectInputStream(bais);
copy = in.readObject();
} finally {
out.close();
in.close();
}
return copy;
}
}
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