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 * https://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.request.compare; 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.i18n.I18n; 026import org.apache.directory.api.ldap.codec.api.LdapMessageContainer; 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<CompareRequest>> 049{ 050 /** The logger */ 051 private static final Logger LOG = LoggerFactory.getLogger( StoreCompareRequestAssertionValue.class ); 052 053 /** 054 * Instantiates a new action. 055 */ 056 public StoreCompareRequestAssertionValue() 057 { 058 super( "Store CompareRequest assertion value" ); 059 } 060 061 062 /** 063 * {@inheritDoc} 064 */ 065 @Override 066 public void action( LdapMessageContainer<CompareRequest> container ) 067 { 068 // Get the CompareRequest Object 069 CompareRequest compareRequest = container.getMessage(); 070 071 // Get the Value and store it in the CompareRequest 072 TLV tlv = container.getCurrentTLV(); 073 074 // We have to handle the special case of a 0 length value 075 if ( tlv.getLength() == 0 ) 076 { 077 compareRequest.setAssertionValue( "" ); 078 } 079 else 080 { 081 if ( container.isBinary( compareRequest.getAttributeId() ) ) 082 { 083 compareRequest.setAssertionValue( tlv.getValue().getData() ); 084 085 if ( LOG.isDebugEnabled() ) 086 { 087 LOG.debug( I18n.msg( I18n.MSG_05121_COMPARING_ATTRIBUTE_VALUE, 088 Strings.dumpBytes( compareRequest.getAssertionValue().getBytes() ) ) ); 089 } 090 } 091 else 092 { 093 compareRequest.setAssertionValue( Strings.utf8ToString( tlv.getValue().getData() ) ); 094 095 if ( LOG.isDebugEnabled() ) 096 { 097 LOG.debug( I18n.msg( I18n.MSG_05121_COMPARING_ATTRIBUTE_VALUE, compareRequest.getAssertionValue() ) ); 098 } 099 } 100 } 101 102 // We can have an END transition 103 container.setGrammarEndAllowed( true ); 104 } 105}