CollectionEnum.java

package org.objectweb.jonas_ejb.lib;

import java.io.Serializable;
import java.lang.Object;
import java.util.Enumeration;
import java.util.NoSuchElementException;
import java.util.Vector;

public class CollectionEnum implements Serializable, Enumeration {

    private Vector mCollection = null;
    private int mIndex = 0;

    public CollectionEnum() {
        mCollection = new Vector();
        mIndex = 0;
    }

    public synchronized void addElement(Object obj) {
        mCollection.addElement(obj);
    }

    public CollectionEnum(Vector v) {
        mCollection = new Vector();
        for (int i=0; i<v.size(); i++) {
            mCollection.addElement(v.elementAt(i));
        }
        mIndex = 0;
    }

    public boolean hasMoreElements() {
        return(mIndex<mCollection.size());
    }

    public Object nextElement() throws NoSuchElementException {
        if (mIndex>=mCollection.size()) {
            throw new NoSuchElementException("CollectionEnum ("+mIndex+">="+mCollection.size()+")");
        }
        mIndex++;
        return(mCollection.elementAt(mIndex-1));
    }

}

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