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 java.io.IOException; 024 025import org.apache.directory.api.i18n.I18n; 026import org.apache.directory.api.ldap.model.entry.StringValue; 027import org.apache.directory.api.ldap.model.entry.Value; 028import org.apache.directory.api.ldap.model.exception.LdapException; 029import org.apache.directory.api.ldap.model.exception.LdapInvalidAttributeValueException; 030import org.apache.directory.api.ldap.model.message.ResultCodeEnum; 031import org.apache.directory.api.ldap.model.schema.Normalizer; 032import org.apache.directory.api.ldap.model.schema.PrepareString; 033 034 035/** 036 * Normalizer which trims down whitespace replacing multiple whitespace 037 * characters on the edges and within the string with a single space character 038 * thereby preserving tokenization order. 039 * 040 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 041 */ 042@SuppressWarnings("serial") 043public class DeepTrimNormalizer extends Normalizer 044{ 045 /** 046 * Creates a new instance of DeepTrimNormalizer with OID known. 047 * 048 * @param oid The MR OID to use with this Normalizer 049 */ 050 public DeepTrimNormalizer( String oid ) 051 { 052 super( oid ); 053 } 054 055 056 /** 057 * Creates a new instance of DeepTrimNormalizer when the Normalizer must be 058 * instantiated before setting the OID. 059 */ 060 public DeepTrimNormalizer() 061 { 062 } 063 064 065 /** 066 * {@inheritDoc} 067 */ 068 public Value<?> normalize( Value<?> value ) throws LdapException 069 { 070 try 071 { 072 String normalized = PrepareString.normalize( value.getString(), 073 PrepareString.StringType.DIRECTORY_STRING ); 074 075 return new StringValue( normalized ); 076 } 077 catch ( IOException ioe ) 078 { 079 throw new LdapInvalidAttributeValueException( ResultCodeEnum.INVALID_ATTRIBUTE_SYNTAX, I18n.err( 080 I18n.ERR_04224, value ), ioe ); 081 } 082 } 083 084 085 /** 086 * {@inheritDoc} 087 */ 088 public String normalize( String value ) throws LdapException 089 { 090 try 091 { 092 String normalized = PrepareString.normalize( value, 093 PrepareString.StringType.DIRECTORY_STRING ); 094 095 return normalized; 096 } 097 catch ( IOException ioe ) 098 { 099 throw new LdapInvalidAttributeValueException( ResultCodeEnum.INVALID_ATTRIBUTE_SYNTAX, I18n.err( 100 I18n.ERR_04224, value ), ioe ); 101 } 102 } 103}