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.IOException;
024    
025    import javax.naming.NamingException;
026    
027    import org.apache.directory.shared.ldap.entry.Value;
028    import org.apache.directory.shared.ldap.entry.client.ClientStringValue;
029    import org.apache.directory.shared.ldap.schema.Normalizer;
030    import org.apache.directory.shared.ldap.schema.PrepareString;
031    import org.apache.directory.shared.ldap.schema.PrepareString.StringType;
032    import org.apache.directory.shared.ldap.util.StringTools;
033    
034    
035    /**
036     * Normalizer which normalize a time following those rules :
037     * - if minutes are ommited, then they are replaced by 00
038     * - if seconds are ommited, then they are replaced by 00
039     * - if fraction is 0, it is removed
040     * - the time is supposed to be expressed in Zulu (GMT), so 
041     * increment is applied to hours/days/yeah, and a Z is added at the end.
042     *
043     * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
044     * @version $Rev: 491034 $
045     */
046    public class GeneralizedTimeNormalizer implements Normalizer
047    {
048        // The serial UID
049       static final long serialVersionUID = 1L;
050    
051       /**
052        * {@inheritDoc}
053        */
054       public Value<?> normalize( Value<?> value ) throws NamingException
055       {
056           try
057           {
058               String normalized = PrepareString.normalize( value.getString(), 
059                   PrepareString.StringType.DIRECTORY_STRING );
060               
061               return new ClientStringValue( normalized );
062           }
063           catch ( IOException ioe )
064           {
065               throw new NamingException( "Invalid value : " + value );
066           }
067       }
068    
069       
070       /**
071        * {@inheritDoc}
072        */
073       public String normalize( String value ) throws NamingException
074       {
075           try
076           {
077               String normalized = PrepareString.normalize( value, 
078                   PrepareString.StringType.DIRECTORY_STRING );
079               
080               return normalized;
081           }
082           catch ( IOException ioe )
083           {
084               throw new NamingException( "Invalid value : " + value );
085           }
086       }
087    }