001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 * 019 */ 020 021 package org.apache.directory.shared.ldap.message; 022 023 024 import java.util.Iterator; 025 import javax.naming.NamingEnumeration; 026 027 028 /** 029 * A NamingEnumeration over an Iterator. 030 * 031 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 032 * @version $Revision: 510365 $ 033 */ 034 public class IteratorNamingEnumeration<T> implements NamingEnumeration<T> 035 { 036 /** the iterator to wrap as in the enumeration */ 037 private Iterator<T> iterator; 038 039 040 /** 041 * Creates a NamingEnumeration over an Iterator. 042 * 043 * @param iterator 044 * the Iterator the NamingEnumeration is based on. 045 */ 046 public IteratorNamingEnumeration( Iterator<T> iterator) 047 { 048 this.iterator = iterator; 049 } 050 051 052 // -------------------------------------------------------------------- 053 // Enumeration Interface Method Implementations 054 // -------------------------------------------------------------------- 055 056 /** 057 * @see java.util.Enumeration#hasMoreElements() 058 */ 059 public boolean hasMoreElements() 060 { 061 return iterator.hasNext(); 062 } 063 064 065 /** 066 * @see java.util.Enumeration#nextElement() 067 */ 068 public T nextElement() 069 { 070 return iterator.next(); 071 } 072 073 074 // -------------------------------------------------------------------- 075 // NamingEnumeration Interface Method Implementations 076 // -------------------------------------------------------------------- 077 078 /** 079 * @see javax.naming.NamingEnumeration#close() 080 */ 081 public void close() 082 { 083 // Does nothing! 084 } 085 086 087 /** 088 * @see javax.naming.NamingEnumeration#hasMore() 089 */ 090 public boolean hasMore() 091 { 092 return iterator.hasNext(); 093 } 094 095 096 /** 097 * @see javax.naming.NamingEnumeration#next() 098 */ 099 public T next() 100 { 101 return iterator.next(); 102 } 103 }