org.apache.commons.jexl.util.EnumerationIterator Maven / Gradle / Ivy
/*
* 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.
*/
package org.apache.commons.jexl.util;
import java.util.Iterator;
import java.util.Enumeration;
/**
* An Iterator wrapper for an Enumeration.
*
* @since 1.0
* @author Geir Magnusson Jr.
* @version $Id: EnumerationIterator.java 480412 2006-11-29 05:11:23Z bayard $
*/
public class EnumerationIterator implements Iterator {
/**
* The enumeration to iterate over.
*/
private final Enumeration enumeration;
/**
* Creates a new iteratorwrapper instance for the specified
* Enumeration.
*
* @param enumer The Enumeration to wrap.
*/
public EnumerationIterator(Enumeration enumer) {
enumeration = enumer;
}
/**
* 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
}
}