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.compareRequest; 021 022 023import org.apache.directory.api.asn1.ber.grammar.GrammarAction; 024import org.apache.directory.api.asn1.ber.tlv.TLV; 025import org.apache.directory.api.ldap.codec.api.LdapMessageContainer; 026import org.apache.directory.api.ldap.codec.decorators.CompareRequestDecorator; 027import org.apache.directory.api.ldap.model.message.CompareRequest; 028import org.apache.directory.api.util.Strings; 029import org.slf4j.Logger; 030import org.slf4j.LoggerFactory; 031 032 033/** 034 * The action used to store the AssertionValue in a Compare Request 035 * <pre> 036 * CompareRequest ::= [APPLICATION 14] SEQUENCE { 037 * ... 038 * ava AttributeValueAssertion } 039 * 040 * AttributeValueAssertion ::= SEQUENCE { 041 * ... 042 * assertionValue AssertionValue } 043 * 044 * AssertionValue OCTET STRING 045 * </pre> 046 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 047 */ 048public class StoreCompareRequestAssertionValue extends GrammarAction<LdapMessageContainer<CompareRequestDecorator>> 049{ 050 /** The logger */ 051 private static final Logger LOG = LoggerFactory.getLogger( StoreCompareRequestAssertionValue.class ); 052 053 /** Speedup for logs */ 054 private static final boolean IS_DEBUG = LOG.isDebugEnabled(); 055 056 057 /** 058 * Instantiates a new action. 059 */ 060 public StoreCompareRequestAssertionValue() 061 { 062 super( "Store CompareRequest assertion value" ); 063 } 064 065 066 /** 067 * {@inheritDoc} 068 */ 069 public void action( LdapMessageContainer<CompareRequestDecorator> container ) 070 { 071 // Get the CompareRequest Object 072 CompareRequest compareRequest = container.getMessage(); 073 074 // Get the Value and store it in the CompareRequest 075 TLV tlv = container.getCurrentTLV(); 076 077 // We have to handle the special case of a 0 length value 078 if ( tlv.getLength() == 0 ) 079 { 080 compareRequest.setAssertionValue( "" ); 081 } 082 else 083 { 084 if ( container.isBinary( compareRequest.getAttributeId() ) ) 085 { 086 compareRequest.setAssertionValue( tlv.getValue().getData() ); 087 088 if ( IS_DEBUG ) 089 { 090 LOG.debug( "Comparing attribute value {}", Strings.dumpBytes( compareRequest 091 .getAssertionValue().getBytes() ) ); 092 } 093 } 094 else 095 { 096 compareRequest.setAssertionValue( Strings.utf8ToString( tlv.getValue().getData() ) ); 097 098 if ( LOG.isDebugEnabled() ) 099 { 100 LOG.debug( "Comparing attribute value {}", compareRequest.getAssertionValue() ); 101 } 102 } 103 } 104 105 // We can have an END transition 106 container.setGrammarEndAllowed( true ); 107 } 108}