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 */ 020package org.apache.directory.api.ldap.model.schema.normalizers; 021 022 023import org.apache.directory.api.ldap.model.constants.SchemaConstants; 024import org.apache.directory.api.ldap.model.entry.StringValue; 025import org.apache.directory.api.ldap.model.entry.Value; 026import org.apache.directory.api.ldap.model.exception.LdapException; 027import org.apache.directory.api.ldap.model.schema.Normalizer; 028import org.apache.directory.api.util.Strings; 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 */ 036@SuppressWarnings("serial") 037public class ObjectIdentifierNormalizer extends Normalizer 038{ 039 /** 040 * Creates a new instance of ObjectIdentifierNormalizer. 041 */ 042 public ObjectIdentifierNormalizer() 043 { 044 super( SchemaConstants.OBJECT_IDENTIFIER_MATCH_MR_OID ); 045 } 046 047 048 /** 049 * {@inheritDoc} 050 */ 051 @Override 052 public Value<?> normalize( Value<?> value ) throws LdapException 053 { 054 if ( value == null ) 055 { 056 return null; 057 } 058 059 String str = value.getString().trim(); 060 061 if ( str.length() == 0 ) 062 { 063 return new StringValue( "" ); 064 } 065 else if ( Character.isDigit( str.charAt( 0 ) ) ) 066 { 067 // We do this test to avoid a lowerCasing which cost time 068 return new StringValue( str ); 069 } 070 else 071 { 072 return new StringValue( Strings.toLowerCaseAscii( str ) ); 073 } 074 } 075 076 077 /** 078 * {@inheritDoc} 079 */ 080 @Override 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 Strings.toLowerCaseAscii( str ); 102 } 103 } 104}