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 }