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