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 */ 020 package org.apache.directory.shared.ldap.codec.actions; 021 022 023 import org.apache.directory.shared.asn1.ber.IAsn1Container; 024 import org.apache.directory.shared.asn1.ber.grammar.GrammarAction; 025 import org.apache.directory.shared.asn1.ber.tlv.TLV; 026 import org.apache.directory.shared.asn1.codec.DecoderException; 027 import org.apache.directory.shared.ldap.codec.LdapMessageContainer; 028 import org.apache.directory.shared.ldap.codec.search.SearchRequestCodec; 029 import org.apache.directory.shared.ldap.util.StringTools; 030 import org.slf4j.Logger; 031 import org.slf4j.LoggerFactory; 032 033 034 /** 035 * The action used to store the attribute description 036 * 037 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 038 * @version $Rev$, $Date$, 039 */ 040 public class AttributeDescAction extends GrammarAction 041 { 042 /** The logger */ 043 private static final Logger log = LoggerFactory.getLogger( AttributeDescAction.class ); 044 045 /** Speedup for logs */ 046 private static final boolean IS_DEBUG = log.isDebugEnabled(); 047 048 public AttributeDescAction() 049 { 050 super( "Store attribute description" ); 051 } 052 053 /** 054 * The initialization action 055 */ 056 public void action( IAsn1Container container ) throws DecoderException 057 { 058 LdapMessageContainer ldapMessageContainer = ( LdapMessageContainer ) container; 059 060 SearchRequestCodec searchRequest = ldapMessageContainer.getSearchRequest(); 061 062 TLV tlv = ldapMessageContainer.getCurrentTLV(); 063 String attributeDescription = null; 064 065 if ( tlv.getLength() != 0 ) 066 { 067 attributeDescription = StringTools.utf8ToString( tlv.getValue().getData() ); 068 069 // If the attributeDescription is empty, we won't add it 070 if ( !StringTools.isEmpty( attributeDescription.trim() ) ) 071 { 072 searchRequest.addAttribute( attributeDescription ); 073 } 074 } 075 076 // We can have an END transition 077 ldapMessageContainer.grammarEndAllowed( true ); 078 079 if ( IS_DEBUG ) 080 { 081 log.debug( "Decoded Attribute Description : {}", attributeDescription ); 082 } 083 084 return; 085 } 086 }