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    package org.apache.directory.shared.ldap.schema.normalizers;
021    
022    
023    import java.io.Serializable;
024    
025    import org.apache.directory.shared.ldap.entry.Value;
026    import org.apache.directory.shared.ldap.schema.Normalizer;
027    
028    
029    /**
030     * No op (pass through or do nothing) normalizer returning what its given.
031     * 
032     * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
033     * @version $Rev: 798550 $
034     */
035    public class NoOpNormalizer implements Normalizer, Serializable
036    {
037        // The serial UID
038        static final long serialVersionUID = -7817763636668562489L;
039        
040        /** A static instance of this normalizer */
041        public static final NoOpNormalizer INSTANCE = new NoOpNormalizer();
042    
043        /**
044         * Returns the value argument as-is without alterations all the time.
045         * 
046         * @param value any value
047         * @return the value argument returned as-is
048         * @see org.apache.directory.shared.ldap.schema.Normalizer#normalize(java.lang.Object)
049         */
050        public Value<?> normalize( Value<?> value )
051        {
052            return value;
053        }
054        
055        
056        /**
057         * Returns the value argument as-is without alterations all the time.
058         * 
059         * @param value any value
060         * @return the value argument returned as-is
061         * @see org.apache.directory.shared.ldap.schema.Normalizer#normalize(java.lang.Object)
062         */
063        public String normalize( String value )
064        {
065            return value;
066        }
067    }