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.codec.actions.searchRequest.filter; 021 022 023import org.apache.directory.api.asn1.DecoderException; 024import org.apache.directory.api.asn1.ber.grammar.GrammarAction; 025import org.apache.directory.api.asn1.ber.tlv.BerValue; 026import org.apache.directory.api.asn1.ber.tlv.BooleanDecoder; 027import org.apache.directory.api.asn1.ber.tlv.BooleanDecoderException; 028import org.apache.directory.api.asn1.ber.tlv.TLV; 029import org.apache.directory.api.i18n.I18n; 030import org.apache.directory.api.ldap.codec.api.LdapMessageContainer; 031import org.apache.directory.api.ldap.codec.decorators.SearchRequestDecorator; 032import org.apache.directory.api.ldap.codec.search.ExtensibleMatchFilter; 033import org.apache.directory.api.util.Strings; 034import org.slf4j.Logger; 035import org.slf4j.LoggerFactory; 036 037 038/** 039 * The action used to store a matchingRuleAssertion dnAttributes 040 * <pre> 041 * Filter ::= CHOICE { 042 * ... 043 * extensibleMatch [9] MatchingRuleAssertion } 044 * 045 * MatchingRuleAssertion ::= SEQUENCE { 046 * ... 047 * dnAttributes [4] BOOLEAN DEFAULT FALSE } 048 * </pre> 049 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 050 */ 051public class StoreMatchingRuleDnAttributes extends GrammarAction<LdapMessageContainer<SearchRequestDecorator>> 052{ 053 /** The logger */ 054 private static final Logger LOG = LoggerFactory.getLogger( StoreMatchingRuleDnAttributes.class ); 055 056 /** Speedup for logs */ 057 private static final boolean IS_DEBUG = LOG.isDebugEnabled(); 058 059 060 /** 061 * Instantiates a new StoreMatchingRuleDnAttributes. 062 */ 063 public StoreMatchingRuleDnAttributes() 064 { 065 super( "Store matchingRuleAssertion dnAttributes" ); 066 } 067 068 069 public void action( LdapMessageContainer<SearchRequestDecorator> container ) throws DecoderException 070 { 071 SearchRequestDecorator searchRequest = container.getMessage(); 072 073 TLV tlv = container.getCurrentTLV(); 074 075 // Store the value. 076 ExtensibleMatchFilter extensibleMatchFilter = ( ExtensibleMatchFilter ) searchRequest.getTerminalFilter(); 077 078 // We get the value. If it's a 0, it's a FALSE. If it's 079 // a FF, it's a TRUE. Any other value should be an error, 080 // but we could relax this constraint. So if we have 081 // something 082 // which is not 0, it will be interpreted as TRUE, but we 083 // will generate a warning. 084 BerValue value = tlv.getValue(); 085 086 try 087 { 088 extensibleMatchFilter.setDnAttributes( BooleanDecoder.parse( value ) ); 089 } 090 catch ( BooleanDecoderException bde ) 091 { 092 LOG.error( I18n 093 .err( I18n.ERR_04110, Strings.dumpBytes( value.getData() ), bde.getMessage() ) ); 094 095 throw new DecoderException( bde.getMessage() ); 096 } 097 098 if ( IS_DEBUG ) 099 { 100 LOG.debug( "Dn Attributes : {}", Boolean.valueOf( extensibleMatchFilter.isDnAttributes() ) ); 101 } 102 103 // unstack the filters if needed 104 searchRequest.unstackFilters( container ); 105 } 106}