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.entry.Value; 024import org.apache.directory.api.ldap.model.exception.LdapException; 025import org.apache.directory.api.ldap.model.schema.Normalizer; 026import org.apache.directory.api.ldap.model.schema.SchemaManager; 027 028 029/** 030 * Caches previously normalized values. 031 * 032 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 033 */ 034@SuppressWarnings("serial") 035public class CachingNormalizer extends Normalizer 036{ 037 /** Cache maximum size default */ 038 public static final int CACHE_MAX = 250; 039 040 /** The underlying decorated Normalizer */ 041 protected final Normalizer normalizer; 042 043 044 // ------------------------------------------------------------------------ 045 // C O N S T R U C T O R S 046 // ------------------------------------------------------------------------ 047 048 /** 049 * Creates a CachingNormalizer that decorates another normalizer using a 050 * default cache size. This Normalizer delegates 051 * 052 * @param normalizer the underlying Normalizer being decorated 053 */ 054 public CachingNormalizer( Normalizer normalizer ) 055 { 056 this( normalizer, CACHE_MAX ); 057 } 058 059 060 /** 061 * Creates a CachingNormalizer that decorates another normalizer using a 062 * specified cache size. 063 * 064 * @param normalizer the underlying Normalizer being decorated 065 * @param cacheSz the maximum size of the name cache 066 */ 067 public CachingNormalizer( Normalizer normalizer, int cacheSz ) 068 { 069 super( normalizer.getOid() ); 070 this.normalizer = normalizer; 071 } 072 073 074 /** 075 * Overrides default behavior by returning the OID of the wrapped 076 * Normalizer. 077 */ 078 @Override 079 public String getOid() 080 { 081 return normalizer.getOid(); 082 } 083 084 085 /** 086 * Overrides default behavior by setting the OID of the wrapped Normalizer. 087 * 088 * @param oid the object identifier to set 089 */ 090 @Override 091 public void setOid( String oid ) 092 { 093 super.setOid( oid ); 094 normalizer.setOid( oid ); 095 } 096 097 098 /** 099 * {@inheritDoc} 100 */ 101 @Override 102 public Value<?> normalize( Value<?> value ) throws LdapException 103 { 104 if ( value == null ) 105 { 106 return null; 107 } 108 109 return normalizer.normalize( value ); 110 } 111 112 113 /** 114 * {@inheritDoc} 115 */ 116 @Override 117 public String normalize( String value ) throws LdapException 118 { 119 if ( value == null ) 120 { 121 return null; 122 } 123 124 return normalizer.normalize( value ); 125 } 126 127 128 /** 129 * Sets the SchemaManager 130 * 131 * @param schemaManager The SchemaManager 132 */ 133 @Override 134 public void setSchemaManager( SchemaManager schemaManager ) 135 { 136 normalizer.setSchemaManager( schemaManager ); 137 } 138}