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 java.io.IOException; 024 025 import org.apache.directory.shared.i18n.I18n; 026 import org.apache.directory.shared.ldap.entry.StringValue; 027 import org.apache.directory.shared.ldap.entry.Value; 028 import org.apache.directory.shared.ldap.exception.LdapException; 029 import org.apache.directory.shared.ldap.exception.LdapInvalidAttributeValueException; 030 import org.apache.directory.shared.ldap.message.ResultCodeEnum; 031 import org.apache.directory.shared.ldap.schema.Normalizer; 032 import org.apache.directory.shared.ldap.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 * @version $Rev: 928945 $ 042 */ 043 public class DeepTrimNormalizer extends Normalizer 044 { 045 /** The serial UID */ 046 public static final long serialVersionUID = 1L; 047 048 049 /** 050 * Creates a new instance of DeepTrimNormalizer with OID known. 051 * 052 * @param oid The MR OID to use with this Normalizer 053 */ 054 public DeepTrimNormalizer( String oid ) 055 { 056 super( oid ); 057 } 058 059 060 /** 061 * Creates a new instance of DeepTrimNormalizer when the Normalizer must be 062 * instantiated before setting the OID. 063 */ 064 public DeepTrimNormalizer() 065 { 066 } 067 068 069 070 /** 071 * {@inheritDoc} 072 */ 073 public Value<?> normalize( Value<?> value ) throws LdapException 074 { 075 try 076 { 077 String normalized = PrepareString.normalize( value.getString(), 078 PrepareString.StringType.DIRECTORY_STRING ); 079 080 return new StringValue( normalized ); 081 } 082 catch ( IOException ioe ) 083 { 084 throw new LdapInvalidAttributeValueException( ResultCodeEnum.INVALID_ATTRIBUTE_SYNTAX, I18n.err( I18n.ERR_04224, value ) ); 085 } 086 } 087 088 089 /** 090 * {@inheritDoc} 091 */ 092 public String normalize( String value ) throws LdapException 093 { 094 try 095 { 096 String normalized = PrepareString.normalize( value, 097 PrepareString.StringType.DIRECTORY_STRING ); 098 099 return normalized; 100 } 101 catch ( IOException ioe ) 102 { 103 throw new LdapInvalidAttributeValueException( ResultCodeEnum.INVALID_ATTRIBUTE_SYNTAX, I18n.err( I18n.ERR_04224, value ) ); 104 } 105 } 106 }