EmptyEnumeration.java

/*
 *  Copyright 2013 Eric F. Savage, code@efsavage.com
 *
 *   Licensed 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.
 */
package com.ajah.lang;

import java.util.Enumeration;

/**
 * An empty {@link Enumeration}, useful as a placeholder.
 * 
 * @author <a href="http://efsavage.com">Eric F. Savage</a>, <a
 *         href="mailto:code@efsavage.com">code@efsavage.com</a>.
 * @param <T>
 *            The enumerated Type.
 */
public class EmptyEnumeration<T> implements Enumeration<T> {

	/**
	 * @see java.util.Enumeration#hasMoreElements()
	 */
	@Override
	public boolean hasMoreElements() {
		return false;
	}

	/**
	 * @see java.util.Enumeration#nextElement()
	 */
	@Override
	public T nextElement() {
		return null;
	}

}