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 org.apache.directory.shared.ldap.constants.SchemaConstants;
024 import org.apache.directory.shared.ldap.entry.StringValue;
025 import org.apache.directory.shared.ldap.entry.Value;
026 import org.apache.directory.shared.ldap.exception.LdapException;
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: 928945 $
035 */
036 public class ObjectIdentifierNormalizer extends Normalizer
037 {
038 /** The serial UID */
039 public static final long serialVersionUID = 1L;
040
041 /**
042 * Creates a new instance of ObjectIdentifierNormalizer.
043 */
044 public ObjectIdentifierNormalizer()
045 {
046 super( SchemaConstants.OBJECT_IDENTIFIER_MATCH_MR_OID );
047 }
048
049
050 /**
051 * {@inheritDoc}
052 */
053 public Value<?> normalize( Value<?> value ) throws LdapException
054 {
055 if ( value == null )
056 {
057 return null;
058 }
059
060 String str = value.getString().trim();
061
062 if ( str.length() == 0 )
063 {
064 return new StringValue( "" );
065 }
066 else if ( Character.isDigit( str.charAt( 0 ) ) )
067 {
068 // We do this test to avoid a lowerCasing which cost time
069 return new StringValue( str );
070 }
071 else
072 {
073 return new StringValue( str.toLowerCase() );
074 }
075 }
076
077
078 /**
079 * {@inheritDoc}
080 */
081 public String normalize( String value ) throws LdapException
082 {
083 if ( value == null )
084 {
085 return null;
086 }
087
088 String str = value.trim();
089
090 if ( str.length() == 0 )
091 {
092 return "";
093 }
094 else if ( Character.isDigit( str.charAt( 0 ) ) )
095 {
096 // We do this test to avoid a lowerCasing which cost time
097 return str;
098 }
099 else
100 {
101 return str.toLowerCase();
102 }
103 }
104 }