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; 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.TLV; 026import org.apache.directory.api.ldap.codec.api.LdapMessageContainer; 027import org.apache.directory.api.ldap.codec.decorators.SearchRequestDecorator; 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 attribute description 035 * <pre> 036 * SearchRequest ::= [APPLICATION 3] SEQUENCE { 037 * ... 038 * attributes AttributeDescriptionList } 039 * 040 * AttributeDescriptionList ::= SEQUENCE OF 041 * AttributeDescription 042 * </pre> 043 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 044 */ 045public class StoreSearchRequestAttributeDesc extends GrammarAction<LdapMessageContainer<SearchRequestDecorator>> 046{ 047 /** The logger */ 048 private static final Logger LOG = LoggerFactory.getLogger( StoreSearchRequestAttributeDesc.class ); 049 050 /** Speedup for logs */ 051 private static final boolean IS_DEBUG = LOG.isDebugEnabled(); 052 053 054 /** 055 * Instantiates a new attribute desc action. 056 */ 057 public StoreSearchRequestAttributeDesc() 058 { 059 super( "Store attribute description" ); 060 } 061 062 063 /** 064 * {@inheritDoc} 065 */ 066 public void action( LdapMessageContainer<SearchRequestDecorator> container ) throws DecoderException 067 { 068 SearchRequestDecorator searchRequestDecorator = container.getMessage(); 069 TLV tlv = container.getCurrentTLV(); 070 String attributeDescription = null; 071 072 if ( tlv.getLength() != 0 ) 073 { 074 attributeDescription = Strings.utf8ToString( tlv.getValue().getData() ); 075 076 // If the attributeDescription is empty, we won't add it 077 if ( !Strings.isEmpty( attributeDescription.trim() ) ) 078 { 079 searchRequestDecorator.getDecorated().addAttributes( attributeDescription ); 080 } 081 } 082 083 // We can have an END transition 084 container.setGrammarEndAllowed( true ); 085 086 if ( IS_DEBUG ) 087 { 088 LOG.debug( "Decoded Attribute Description : {}", attributeDescription ); 089 } 090 } 091}