| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * https://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| package org.apache.directory.api.ldap.model.schema.normalizers; |
| |
| |
| import java.io.IOException; |
| |
| import org.apache.directory.api.i18n.I18n; |
| import org.apache.directory.api.ldap.model.exception.LdapException; |
| import org.apache.directory.api.ldap.model.exception.LdapInvalidAttributeValueException; |
| import org.apache.directory.api.ldap.model.message.ResultCodeEnum; |
| import org.apache.directory.api.ldap.model.schema.Normalizer; |
| import org.apache.directory.api.ldap.model.schema.PrepareString; |
| import org.apache.directory.api.ldap.model.schema.PreparedNormalizer; |
| |
| |
| /** |
| * Normalizer which trims down whitespace replacing multiple whitespace |
| * characters on the edges and within the string with a single space character |
| * thereby preserving tokenization order - while doing all this in the same pass |
| * it lower cases all characters. |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| @SuppressWarnings("serial") |
| public class DeepTrimToLowerNormalizer extends Normalizer implements PreparedNormalizer |
| { |
| /** |
| * Creates a new instance of DeepTrimToLowerNormalizer. |
| * |
| * @param oid The MR OID to use with this Normalizer |
| */ |
| public DeepTrimToLowerNormalizer( String oid ) |
| { |
| super( oid ); |
| } |
| |
| |
| /** |
| * Creates a new instance of DeepTrimToLowerNormalizer where the OID is |
| * set after instantiation. |
| */ |
| public DeepTrimToLowerNormalizer() |
| { |
| super(); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public String normalize( String value ) throws LdapException |
| { |
| return normalize( value, PrepareString.AssertionType.ATTRIBUTE_VALUE ); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| @Override |
| public String normalize( String value, PrepareString.AssertionType assertionType ) throws LdapException |
| { |
| if ( value == null ) |
| { |
| return null; |
| } |
| |
| String normValue = null; |
| |
| try |
| { |
| // Transcoding is useless |
| // Map |
| String mapped = PrepareString.mapIgnoreCase( value ); |
| |
| // Normalize |
| String normalized = PrepareString.normalize( mapped ); |
| |
| char[] chars = normalized.toCharArray(); |
| |
| // Prohibit |
| PrepareString.checkProhibited( chars ); |
| |
| // Bidi is ignored |
| |
| // Insignificant Characters Handling |
| switch ( assertionType ) |
| { |
| case ATTRIBUTE_VALUE : |
| normValue = PrepareString.insignificantSpacesStringValue( chars ); |
| break; |
| |
| case SUBSTRING_INITIAL : |
| normValue = PrepareString.insignificantSpacesStringInitial( chars ); |
| break; |
| |
| case SUBSTRING_ANY : |
| normValue = PrepareString.insignificantSpacesStringAny( chars ); |
| break; |
| |
| case SUBSTRING_FINAL : |
| normValue = PrepareString.insignificantSpacesStringFinal( chars ); |
| break; |
| |
| default : |
| // Do nothing |
| break; |
| } |
| |
| return normValue; |
| } |
| catch ( IOException ioe ) |
| { |
| throw new LdapInvalidAttributeValueException( ResultCodeEnum.INVALID_ATTRIBUTE_SYNTAX, I18n.err( |
| I18n.ERR_13724_INVALID_VALUE, value ), ioe ); |
| } |
| } |
| } |