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package bboss.org.apache.velocity.util;

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.    
 */

import java.util.Iterator;
import java.util.Enumeration;

/**
 * An Iterator wrapper for an Enumeration.
 *
 * @author Geir Magnusson Jr.
 * @version $Id: EnumerationIterator.java 463298 2006-10-12 16:10:32Z henning $
 */
public class EnumerationIterator implements Iterator
{
    /**
     * The enumeration to iterate.
     */
    private Enumeration enumeration = null;

    /**
     * Creates a new iteratorwrapper instance for the specified
     * Enumeration.
     *
     * @param enumeration  The Enumeration to wrap.
     */
    public EnumerationIterator(Enumeration enumeration)
    {
        this.enumeration = enumeration;
    }

    /**
     * Move to next element in the array.
     *
     * @return The next object in the array.
     */
    public Object next()
    {
        return enumeration.nextElement();
    }

    /**
     * Check to see if there is another element in the array.
     *
     * @return Whether there is another element.
     */
    public boolean hasNext()
    {
        return enumeration.hasMoreElements();
    }

    /**
     *  Unimplemented.  No analogy in Enumeration
     */
    public void remove()
    {
        // not implemented
    }

}