SerializableEnumeration.java Source code

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Here is the source code for SerializableEnumeration.java

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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();
    }
}