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.addRequest; 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.ldap.codec.api.LdapMessageContainer; 026import org.apache.directory.api.ldap.codec.decorators.AddRequestDecorator; 027import org.apache.directory.api.ldap.model.exception.LdapException; 028import org.apache.directory.api.util.Strings; 029import org.slf4j.Logger; 030import org.slf4j.LoggerFactory; 031 032 033/** 034 * The action used to store a Value to an AddRequest 035 * <pre> 036 * AttributeList ::= SEQUENCE OF SEQUENCE { 037 * ... 038 * vals SET OF AttributeValue } 039 * 040 * AttributeValue OCTET STRING 041 * </pre> 042 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 043 */ 044public class AddAttributeValue extends GrammarAction<LdapMessageContainer<AddRequestDecorator>> 045{ 046 /** The logger */ 047 private static final Logger LOG = LoggerFactory.getLogger( AddAttributeValue.class ); 048 049 /** Speedup for logs */ 050 private static final boolean IS_DEBUG = LOG.isDebugEnabled(); 051 052 053 /** 054 * Instantiates a new value action. 055 */ 056 public AddAttributeValue() 057 { 058 super( "Store a value" ); 059 } 060 061 062 /** 063 * {@inheritDoc} 064 */ 065 public void action( LdapMessageContainer<AddRequestDecorator> container ) 066 { 067 AddRequestDecorator addRequest = container.getMessage(); 068 069 TLV tlv = container.getCurrentTLV(); 070 071 // Store the value. It can't be null 072 Object value = null; 073 074 try 075 { 076 if ( tlv.getLength() == 0 ) 077 { 078 addRequest.addAttributeValue( "" ); 079 } 080 else 081 { 082 if ( container.isBinary( addRequest.getCurrentAttributeType() ) ) 083 { 084 value = tlv.getValue().getData(); 085 086 if ( IS_DEBUG ) 087 { 088 LOG.debug( "Adding value {}", Strings.dumpBytes( ( byte[] ) value ) ); 089 } 090 091 addRequest.addAttributeValue( ( byte[] ) value ); 092 } 093 else 094 { 095 value = Strings.utf8ToString( tlv.getValue().getData() ); 096 097 if ( IS_DEBUG ) 098 { 099 LOG.debug( "Adding value {}" + value ); 100 } 101 102 addRequest.addAttributeValue( ( String ) value ); 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}