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.i18n.I18n; 024 import org.apache.directory.shared.ldap.constants.SchemaConstants; 025 import org.apache.directory.shared.ldap.entry.StringValue; 026 import org.apache.directory.shared.ldap.entry.Value; 027 import org.apache.directory.shared.ldap.exception.LdapException; 028 import org.apache.directory.shared.ldap.name.DN; 029 import org.apache.directory.shared.ldap.schema.Normalizer; 030 import org.apache.directory.shared.ldap.schema.SchemaManager; 031 import org.apache.directory.shared.ldap.util.StringTools; 032 033 034 /** 035 * A noirmalizer for UniqueMember 036 * 037 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 038 * @version $Rev$ 039 */ 040 public class UniqueMemberNormalizer extends Normalizer 041 { 042 // The serial UID 043 private static final long serialVersionUID = 1L; 044 045 /** A reference to the schema manager used to normalize the DN */ 046 private SchemaManager schemaManager; 047 048 049 public UniqueMemberNormalizer() 050 { 051 super( SchemaConstants.UNIQUE_MEMBER_MATCH_MR_OID ); 052 } 053 054 055 public Value<?> normalize( Value<?> value ) throws LdapException 056 { 057 String nameAndUid = value.getString(); 058 059 if ( nameAndUid.length() == 0 ) 060 { 061 return null; 062 } 063 064 // Let's see if we have an UID part 065 int sharpPos = nameAndUid.lastIndexOf( '#' ); 066 067 if ( sharpPos != -1 ) 068 { 069 // Now, check that we don't have another '#' 070 if ( nameAndUid.indexOf( '#' ) != sharpPos ) 071 { 072 // Yes, we have one : this is not allowed, it should have been 073 // escaped. 074 return null; 075 } 076 077 // This is an UID if the '#' is immediately 078 // followed by a BitString, except if the '#' is 079 // on the last position 080 String uid = nameAndUid.substring( sharpPos + 1 ); 081 082 if ( sharpPos > 0 ) 083 { 084 DN dn = new DN( nameAndUid.substring( 0, sharpPos ) ); 085 086 dn.normalize( schemaManager.getNormalizerMapping() ); 087 088 return new StringValue( dn.getNormName() + '#' + uid ); 089 } 090 else 091 { 092 throw new IllegalStateException( I18n.err( I18n.ERR_04226, value.getClass() ) ); 093 } 094 } 095 else 096 { 097 // No UID, the strValue is a DN 098 // Return the normalized DN 099 return new StringValue( new DN( nameAndUid ).getNormName() ); 100 } 101 } 102 103 104 public String normalize( String value ) throws LdapException 105 { 106 if ( StringTools.isEmpty( value ) ) 107 { 108 return null; 109 } 110 111 // Let's see if we have an UID part 112 int sharpPos = value.lastIndexOf( '#' ); 113 114 if ( sharpPos != -1 ) 115 { 116 // Now, check that we don't have another '#' 117 if ( value.indexOf( '#' ) != sharpPos ) 118 { 119 // Yes, we have one : this is not allowed, it should have been 120 // escaped. 121 return null; 122 } 123 124 // This is an UID if the '#' is immediatly 125 // followed by a BitString, except if the '#' is 126 // on the last position 127 String uid = value.substring( sharpPos + 1 ); 128 129 if ( sharpPos > 0 ) 130 { 131 DN dn = new DN( value.substring( 0, sharpPos ) ); 132 133 dn.normalize( schemaManager.getNormalizerMapping() ); 134 135 return dn.getNormName() + '#' + uid; 136 } 137 else 138 { 139 throw new IllegalStateException( I18n.err( I18n.ERR_04226, value.getClass() ) ); 140 } 141 } 142 else 143 { 144 // No UID, the strValue is a DN 145 // Return the normalized DN 146 return new DN( value ).normalize( schemaManager.getNormalizerMapping() ).getNormName(); 147 } 148 } 149 150 151 /** 152 * {@inheritDoc} 153 */ 154 public void setSchemaManager( SchemaManager schemaManager ) 155 { 156 this.schemaManager = schemaManager; 157 } 158 }