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.response.search.entry; 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.entry.Attribute; 028import org.apache.directory.api.ldap.model.exception.LdapException; 029import org.apache.directory.api.ldap.model.message.SearchResultEntry; 030import org.apache.directory.api.util.Strings; 031import org.slf4j.Logger; 032import org.slf4j.LoggerFactory; 033 034 035/** 036 * The action used to store a Value to an search result entry 037 * <pre> 038 * PartialAttributeList ::= SEQUENCE OF SEQUENCE { 039 * ... 040 * vals SET OF AttributeValue } 041 * 042 * AttributeValue ::= OCTET STRING 043 * </pre> 044 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 045 */ 046public class StoreSearchResultAttributeValue extends GrammarAction<LdapMessageContainer<SearchResultEntry>> 047{ 048 /** The logger */ 049 private static final Logger LOG = LoggerFactory.getLogger( StoreSearchResultAttributeValue.class ); 050 051 /** 052 * Instantiates a new search result attribute value action. 053 */ 054 public StoreSearchResultAttributeValue() 055 { 056 super( "Stores AttributeValue" ); 057 } 058 059 060 /** 061 * {@inheritDoc} 062 */ 063 public void action( LdapMessageContainer<SearchResultEntry> container ) 064 { 065 Attribute currentAttribute = container.getCurrentAttribute(); 066 067 TLV tlv = container.getCurrentTLV(); 068 069 // Store the value 070 try 071 { 072 if ( tlv.getLength() == 0 ) 073 { 074 currentAttribute.add( "" ); 075 076 if ( LOG.isDebugEnabled() ) 077 { 078 LOG.debug( I18n.msg( I18n.MSG_05180_NULL_ATTRIBUTE_VALUE ) ); 079 } 080 } 081 else 082 { 083 if ( container.isBinary( container.getCurrentAttribute().getId() ) ) 084 { 085 byte[] value = tlv.getValue().getData(); 086 currentAttribute.add( value ); 087 088 if ( LOG.isDebugEnabled() ) 089 { 090 LOG.debug( I18n.msg( I18n.MSG_05181_ATTRIBUTE_VALUE, Strings.dumpBytes( ( byte[] ) value ) ) ); 091 } 092 } 093 else 094 { 095 String value = Strings.utf8ToString( tlv.getValue().getData() ); 096 currentAttribute.add( value ); 097 098 if ( LOG.isDebugEnabled() ) 099 { 100 LOG.debug( I18n.msg( I18n.MSG_05181_ATTRIBUTE_VALUE, value ) ); 101 } 102 } 103 104 } 105 } 106 catch ( LdapException le ) 107 { 108 // Just swallow the exception, it can't occur here 109 } 110 111 // We can have an END transition 112 container.setGrammarEndAllowed( true ); 113 } 114}