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.ldap.codec.LdapMessageCodec;
027 import org.apache.directory.shared.ldap.codec.LdapMessageContainer;
028 import org.apache.directory.shared.ldap.codec.add.AddRequestCodec;
029 import org.apache.directory.shared.ldap.util.StringTools;
030
031 import org.slf4j.Logger;
032 import org.slf4j.LoggerFactory;
033
034
035 /**
036 * The action used to store a Value to an AddRequest
037 *
038 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
039 * @version $Rev$, $Date$,
040 */
041 public class ValueAction extends GrammarAction
042 {
043 /** The logger */
044 private static final Logger log = LoggerFactory.getLogger( ValueAction.class );
045
046 /** Speedup for logs */
047 private static final boolean IS_DEBUG = log.isDebugEnabled();
048
049
050 public ValueAction()
051 {
052 super( "Store a value" );
053 }
054
055
056 /**
057 * The initialization action
058 */
059 public void action( IAsn1Container container )
060 {
061
062 LdapMessageContainer ldapMessageContainer = ( LdapMessageContainer ) container;
063 LdapMessageCodec ldapMessage = ldapMessageContainer.getLdapMessage();
064 AddRequestCodec addRequest = ldapMessage.getAddRequest();
065
066 TLV tlv = ldapMessageContainer.getCurrentTLV();
067
068 // Store the value. It can't be null
069 Object value = null;
070
071 if ( tlv.getLength() == 0 )
072 {
073 addRequest.addAttributeValue( "" );
074 }
075 else
076 {
077 if ( ldapMessageContainer.isBinary( addRequest.getCurrentAttributeType() ) )
078 {
079 value = tlv.getValue().getData();
080
081 if ( IS_DEBUG )
082 {
083 log.debug( "Adding value {}", StringTools.dumpBytes( ( byte[] ) value ) );
084 }
085
086 addRequest.addAttributeValue( ( byte[] ) value );
087 }
088 else
089 {
090 value = StringTools.utf8ToString( tlv.getValue().getData() );
091
092 if ( IS_DEBUG )
093 {
094 log.debug( "Adding value {}" + value );
095 }
096
097 addRequest.addAttributeValue( ( String ) value );
098 }
099
100 }
101
102 // We can have an END transition
103 ldapMessageContainer.grammarEndAllowed( true );
104 }
105 }