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 package org.apache.directory.shared.ldap.util; 020 021 022 import javax.naming.NamingEnumeration; 023 import javax.naming.NamingException; 024 import javax.naming.directory.Attribute; 025 import javax.naming.directory.Attributes; 026 027 import org.apache.directory.shared.i18n.I18n; 028 029 030 /** 031 * Document me! 032 * 033 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 034 * @version $Rev$, $Date$ 035 */ 036 public class ImmutableAttributesWrapper implements Attributes 037 { 038 private final Attributes wrapped; 039 040 041 public ImmutableAttributesWrapper( Attributes wrapped ) 042 { 043 this.wrapped = wrapped; 044 } 045 046 047 public boolean isCaseIgnored() 048 { 049 return wrapped.isCaseIgnored(); 050 } 051 052 053 public int size() 054 { 055 return wrapped.size(); 056 } 057 058 059 public Attribute get( String attrID ) 060 { 061 return new ImmutableAttributeWrapper( wrapped.get( attrID ) ); 062 } 063 064 065 public NamingEnumeration<? extends Attribute> getAll() 066 { 067 return new ImmutableEnumeration( wrapped.getAll() ); 068 } 069 070 071 public NamingEnumeration<String> getIDs() 072 { 073 return wrapped.getIDs(); 074 } 075 076 077 public Attribute put( String attrID, Object val ) 078 { 079 throw new UnsupportedOperationException( I18n.err( I18n.ERR_04389 ) ); 080 } 081 082 083 public Attribute put( Attribute attr ) 084 { 085 throw new UnsupportedOperationException( I18n.err( I18n.ERR_04389 ) ); 086 } 087 088 089 public Attribute remove( String attrID ) 090 { 091 throw new UnsupportedOperationException( I18n.err( I18n.ERR_04390 ) ); 092 } 093 094 095 public Object clone() 096 { 097 throw new IllegalStateException( I18n.err( I18n.ERR_04391 ) ); 098 } 099 100 101 class ImmutableEnumeration implements NamingEnumeration 102 { 103 private NamingEnumeration wrappedEnum; 104 105 106 public ImmutableEnumeration( NamingEnumeration<? extends Attribute> all ) 107 { 108 wrappedEnum = all; 109 } 110 111 112 public Attribute next() throws NamingException 113 { 114 return new ImmutableAttributeWrapper( ( Attribute ) wrappedEnum.next() ); 115 } 116 117 118 public boolean hasMore() throws NamingException 119 { 120 return wrappedEnum.hasMore(); 121 } 122 123 124 public void close() throws NamingException 125 { 126 wrappedEnum.close(); 127 } 128 129 130 public boolean hasMoreElements() 131 { 132 return wrappedEnum.hasMoreElements(); 133 } 134 135 136 public Attribute nextElement() 137 { 138 return new ImmutableAttributeWrapper( ( Attribute ) wrappedEnum.nextElement() ); 139 } 140 } 141 }