001 package org.apache.commons.ognl; 002 003 /* 004 * Licensed to the Apache Software Foundation (ASF) under one 005 * or more contributor license agreements. See the NOTICE file 006 * distributed with this work for additional information 007 * regarding copyright ownership. The ASF licenses this file 008 * to you under the Apache License, Version 2.0 (the 009 * "License"); you may not use this file except in compliance 010 * with the License. You may obtain a copy of the License at 011 * 012 * http://www.apache.org/licenses/LICENSE-2.0 013 * 014 * Unless required by applicable law or agreed to in writing, 015 * software distributed under the License is distributed on an 016 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 017 * KIND, either express or implied. See the License for the 018 * specific language governing permissions and limitations 019 * under the License. 020 */ 021 022 import java.util.Enumeration; 023 import java.util.Iterator; 024 025 /** 026 * Maps an Iterator to an Enumeration 027 * 028 * @author Luke Blanshard (blanshlu@netscape.net) 029 * @author Drew Davidson (drew@ognl.org) 030 */ 031 public class IteratorEnumeration<T> 032 implements Enumeration<T> 033 { 034 035 public static <E> Enumeration<E> newEnumeration( Iterator<E> iterator ) 036 { 037 return new IteratorEnumeration<E>( iterator ); 038 } 039 040 private Iterator<T> it; 041 042 private IteratorEnumeration( Iterator<T> it ) 043 { 044 this.it = it; 045 } 046 047 /** 048 * {@inheritDoc} 049 */ 050 public boolean hasMoreElements() 051 { 052 return it.hasNext(); 053 } 054 055 /** 056 * {@inheritDoc} 057 */ 058 public T nextElement() 059 { 060 return it.next(); 061 } 062 }