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.DirContext;
026    
027    import org.apache.directory.shared.i18n.I18n;
028    
029    
030    /**
031     * A read only wrapper around an Attributes object.
032     *
033     * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
034     * @version $Rev$, $Date$
035     */
036    public class ImmutableAttributeWrapper implements Attribute
037    {
038        private final Attribute wrapped;
039    
040    
041        public ImmutableAttributeWrapper( Attribute wrapped )
042        {
043            this.wrapped = wrapped;
044        }
045    
046    
047        public NamingEnumeration<?> getAll() throws NamingException
048        {
049            return wrapped.getAll();
050        }
051    
052    
053        public Object get() throws NamingException
054        {
055            return wrapped.get();
056        }
057    
058    
059        public int size()
060        {
061            return wrapped.size();
062        }
063    
064    
065        public String getID()
066        {
067            return wrapped.getID();
068        }
069    
070    
071        public boolean contains( Object attrVal )
072        {
073            return wrapped.contains( attrVal );
074        }
075    
076    
077        public boolean add( Object attrVal )
078        {
079            throw new UnsupportedOperationException( I18n.err( I18n.ERR_04392 ) );
080        }
081    
082    
083        public boolean remove( Object attrval )
084        {
085            throw new UnsupportedOperationException( I18n.err( I18n.ERR_04393 ) );
086        }
087    
088    
089        public void clear()
090        {
091            throw new UnsupportedOperationException( I18n.err( I18n.ERR_04394 ) );
092        }
093    
094    
095        public DirContext getAttributeSyntaxDefinition() throws NamingException
096        {
097            return wrapped.getAttributeSyntaxDefinition();
098        }
099    
100    
101        public DirContext getAttributeDefinition() throws NamingException
102        {
103            return wrapped.getAttributeDefinition();
104        }
105    
106    
107        public Object clone()
108        {
109            throw new IllegalStateException( I18n.err( I18n.ERR_04395 ) );
110        }
111    
112    
113        public boolean isOrdered()
114        {
115            return wrapped.isOrdered();
116        }
117    
118    
119        public Object get( int ix ) throws NamingException
120        {
121            return wrapped.get( ix );
122        }
123    
124    
125        public Object remove( int ix )
126        {
127            throw new UnsupportedOperationException( I18n.err( I18n.ERR_04393 ) );
128        }
129    
130    
131        public void add( int ix, Object attrVal )
132        {
133            throw new UnsupportedOperationException( I18n.err( I18n.ERR_04392 ) );
134        }
135    
136    
137        public Object set( int ix, Object attrVal )
138        {
139            throw new UnsupportedOperationException( I18n.err( I18n.ERR_04396 ) );
140        }
141    }