Mega Code Archive
Serializable Enumeration
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/*
* 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.
*/
import java.util.ArrayList;
import java.util.Collection;
import java.util.Enumeration;
import java.util.NoSuchElementException;
/**
* ???
*
* @author ???
* @version $Revision: 2800 $
*/
@SuppressWarnings("unchecked")
public class SerializableEnumeration
extends ArrayList
implements Enumeration
{
/** The serialVersionUID */
private static final long serialVersionUID = 8678951571196067510L;
private int index;
public SerializableEnumeration () {
index = 0;
}
public SerializableEnumeration (Collection c) {
super(c);
index = 0;
}
public SerializableEnumeration (int initialCapacity) {
super(initialCapacity);
index = 0;
}
public boolean hasMoreElements() {
return (index < size());
}
public Object nextElement() throws NoSuchElementException
{
try {
Object nextObj = get(index);
index++;
return nextObj;
}
catch (IndexOutOfBoundsException e) {
throw new NoSuchElementException();
}
}
private void writeObject(java.io.ObjectOutputStream out)
throws java.io.IOException
{
// the only thing to write is the index field
out.defaultWriteObject();
}
private void readObject(java.io.ObjectInputStream in)
throws java.io.IOException, ClassNotFoundException
{
in.defaultReadObject();
}
}
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