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 javax.naming.NamingException;
024
025 import org.apache.directory.shared.ldap.constants.SchemaConstants;
026 import org.apache.directory.shared.ldap.entry.Value;
027 import org.apache.directory.shared.ldap.entry.client.ClientStringValue;
028 import org.apache.directory.shared.ldap.schema.Normalizer;
029
030
031 /**
032 * A normalizer for the objectIdentifierMatch matching rule.
033 *
034 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
035 * @version $Rev: 896579 $
036 */
037 public class ObjectIdentifierNormalizer extends Normalizer
038 {
039 /** The serial UID */
040 public static final long serialVersionUID = 1L;
041
042 /**
043 * Creates a new instance of ObjectIdentifierNormalizer.
044 */
045 public ObjectIdentifierNormalizer()
046 {
047 super( SchemaConstants.OBJECT_IDENTIFIER_MATCH_MR_OID );
048 }
049
050
051 /**
052 * {@inheritDoc}
053 */
054 public Value<?> normalize( Value<?> value ) throws NamingException
055 {
056 if ( value == null )
057 {
058 return null;
059 }
060
061 String str = value.getString().trim();
062
063 if ( str.length() == 0 )
064 {
065 return new ClientStringValue( "" );
066 }
067 else if ( Character.isDigit( str.charAt( 0 ) ) )
068 {
069 // We do this test to avoid a lowerCasing which cost time
070 return new ClientStringValue( str );
071 }
072 else
073 {
074 return new ClientStringValue( str.toLowerCase() );
075 }
076 }
077
078
079 /**
080 * {@inheritDoc}
081 */
082 public String normalize( String value ) throws NamingException
083 {
084 if ( value == null )
085 {
086 return null;
087 }
088
089 String str = value.trim();
090
091 if ( str.length() == 0 )
092 {
093 return "";
094 }
095 else if ( Character.isDigit( str.charAt( 0 ) ) )
096 {
097 // We do this test to avoid a lowerCasing which cost time
098 return str;
099 }
100 else
101 {
102 return str.toLowerCase();
103 }
104 }
105 }