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.entry.Value;
026 import org.apache.directory.shared.ldap.entry.client.ClientStringValue;
027 import org.apache.directory.shared.ldap.schema.Normalizer;
028
029
030 /**
031 * A normalizer for the objectIdentifierMatch matching rule.
032 *
033 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
034 * @version $Rev: 798550 $
035 */
036 public class ObjectIdentifierNormalizer implements Normalizer
037 {
038 // The serial UID
039 private static final long serialVersionUID = 1L;
040
041 /**
042 * {@inheritDoc}
043 */
044 public Value<?> normalize( Value<?> value ) throws NamingException
045 {
046 if ( value == null )
047 {
048 return null;
049 }
050
051 String str = value.getString().trim();
052
053 if ( str.length() == 0 )
054 {
055 return new ClientStringValue( "" );
056 }
057 else if ( Character.isDigit( str.charAt( 0 ) ) )
058 {
059 // We do this test to avoid a lowerCasing which cost time
060 return new ClientStringValue( str );
061 }
062 else
063 {
064 return new ClientStringValue( str.toLowerCase() );
065 }
066 }
067
068
069 /**
070 * {@inheritDoc}
071 */
072 public String normalize( String value ) throws NamingException
073 {
074 if ( value == null )
075 {
076 return null;
077 }
078
079 String str = value.trim();
080
081 if ( str.length() == 0 )
082 {
083 return "";
084 }
085 else if ( Character.isDigit( str.charAt( 0 ) ) )
086 {
087 // We do this test to avoid a lowerCasing which cost time
088 return str;
089 }
090 else
091 {
092 return str.toLowerCase();
093 }
094 }
095 }