001/* 002 * Licensed to the Apache Software Foundation (ASF) under one or more 003 * contributor license agreements. See the NOTICE file distributed with 004 * this work for additional information regarding copyright ownership. 005 * The ASF licenses this file to You under the Apache License, Version 2.0 006 * (the "License"); you may not use this file except in compliance with 007 * the License. You may obtain a copy of the License at 008 * 009 * http://www.apache.org/licenses/LICENSE-2.0 010 * 011 * Unless required by applicable law or agreed to in writing, software 012 * distributed under the License is distributed on an "AS IS" BASIS, 013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 014 * See the License for the specific language governing permissions and 015 * limitations under the License. 016 */ 017 018package org.apache.commons.jexl3.internal.introspection; 019 020 021import java.util.Iterator; 022import java.util.Enumeration; 023 024/** 025 * An Iterator wrapper for an Enumeration. 026 * @param <T> the type of object this iterator returns 027 * @since 1.0 028 */ 029public class EnumerationIterator<T> implements Iterator<T> { 030 /** 031 * The enumeration to iterate over. 032 */ 033 private final Enumeration<T> enumeration; 034 035 /** 036 * Creates a new iteratorwrapper instance for the specified 037 * Enumeration. 038 * 039 * @param enumer The Enumeration to wrap. 040 */ 041 public EnumerationIterator(final Enumeration<T> enumer) { 042 enumeration = enumer; 043 } 044 045 @Override 046 public T next() { 047 return enumeration.nextElement(); 048 } 049 050 @Override 051 public boolean hasNext() { 052 return enumeration.hasMoreElements(); 053 } 054 055 @Override 056 public void remove() { 057 // not implemented 058 } 059}