com.sun.grizzly.util.collections.EmptyEnumeration Maven / Gradle / Ivy

Go to download


/*
 * The contents of this file are subject to the terms
 * of the Common Development and Distribution License
 * (the "License").  You may not use this file except
 * in compliance with the License.
 *
 * You can obtain a copy of the license at
 * glassfish/bootstrap/legal/CDDLv1.0.txt or
 * https://glassfish.dev.java.net/public/CDDLv1.0.html.
 * See the License for the specific language governing
 * permissions and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL
 * HEADER in each file and include the License file at
 * glassfish/bootstrap/legal/CDDLv1.0.txt.  If applicable,
 * add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your
 * own identifying information: Portions Copyright [yyyy]
 * [name of copyright owner]
 *
 * Copyright 2005 Sun Microsystems, Inc. All rights reserved.
 *
 * Portions Copyright Apache Software Foundation.
 */ 
package com.sun.grizzly.util.collections;

import java.util.Enumeration;
import java.util.NoSuchElementException;

public class EmptyEnumeration implements Enumeration {

    static EmptyEnumeration staticInstance=new EmptyEnumeration();

    public EmptyEnumeration() {
    }

    public static Enumeration getEmptyEnumeration() {
	return staticInstance;
    }
    
    public Object nextElement( ) {
	throw new NoSuchElementException( "EmptyEnumeration");
    }

    public boolean hasMoreElements() {
	return false;
    }
    
}