Mega Code Archive
Deep clone Object
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/*
* Copyright (C) 2001-2003 Colin Bell
* colbell@users.sourceforge.net
*
* This library 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 library 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 library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
import java.io.*;
import java.text.NumberFormat;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* General purpose utilities functions.
*
* @author <A HREF="mailto:colbell@users.sourceforge.net">Colin Bell</A>
*/
public class Utilities
{
/**
* Creates a clone of any serializable object. Collections and arrays
* may be cloned if the entries are serializable.
*
* Caution super class members are not cloned if a super class is not serializable.
*/
public static Object cloneObject(Object toClone, final ClassLoader classLoader)
{
if(null == toClone)
{
return null;
}
else
{
try
{
ByteArrayOutputStream bOut = new ByteArrayOutputStream();
ObjectOutputStream oOut = new ObjectOutputStream(bOut);
oOut.writeObject(toClone);
oOut.close();
ByteArrayInputStream bIn = new ByteArrayInputStream(bOut.toByteArray());
bOut.close();
ObjectInputStream oIn = new ObjectInputStream(bIn)
{
protected Class<?> resolveClass(ObjectStreamClass desc) throws IOException, ClassNotFoundException
{
return Class.forName(desc.getName(), false, classLoader);
}
};
bIn.close();
Object copy = oIn.readObject();
oIn.close();
return copy;
}
catch (Exception e)
{
throw new RuntimeException(e);
}
}
}
}
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