src/main/java/org/apache/commons/ognl/IteratorEnumeration.java

package org.apache.commons.ognl;

/*
 * 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.Enumeration;
import java.util.Iterator;

/**
 * Maps an Iterator to an Enumeration
 */
public class IteratorEnumeration<T>
    implements Enumeration<T>
{

    public static <E> Enumeration<E> newEnumeration( Iterator<E> iterator )
    {
        return new IteratorEnumeration<E>( iterator );
    }

    private final Iterator<T> it;

    private IteratorEnumeration( Iterator<T> it )
    {
        this.it = it;
    }

    /**
     * {@inheritDoc}
     */
    public boolean hasMoreElements()
    {
        return it.hasNext();
    }

    /**
     * {@inheritDoc}
     */
    public T nextElement()
    {
        return it.next();
    }
}