/*
* Copyright (C) The Apache Software Foundation. All rights reserved.
*
* This software is published under the terms of the Apache Software License
* version 1.1, a copy of which has been included with this distribution in
* the LICENSE.txt file.
*/
package org.apache.log4j.helpers;
import java.util.Enumeration;
import java.util.NoSuchElementException;
/**
An always-empty Enumerator.
@author Anders Kristensen
@since version 1.0
*/
public class NullEnumeration implements Enumeration {
private static final NullEnumeration instance = new NullEnumeration();
private
NullEnumeration() {
}
public static NullEnumeration getInstance() {
return instance;
}
public
boolean hasMoreElements() {
return false;
}
public
Object nextElement() {
throw new NoSuchElementException();
}
}
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