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 * https://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.request.modify; 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.i18n.I18n; 026import org.apache.directory.api.ldap.codec.api.LdapMessageContainer; 027import org.apache.directory.api.ldap.model.message.ModifyRequest; 028import org.slf4j.Logger; 029import org.slf4j.LoggerFactory; 030 031 032/** 033 * The action used to initialize the set of ModificationRequest AVAs 034 * <pre> 035 * ModifyRequest ::= [APPLICATION 6] SEQUENCE { 036 * ... 037 * modification SEQUENCE OF SEQUENCE { 038 * ... 039 * modification AttributeTypeAndValues } 040 * 041 * AttributeTypeAndValues ::= SEQUENCE { 042 * ... 043 * vals SET OF AttributeValue } 044 * </pre> 045 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 046 */ 047public class InitAttributeVals extends GrammarAction<LdapMessageContainer<ModifyRequest>> 048{ 049 /** The logger */ 050 private static final Logger LOG = LoggerFactory.getLogger( InitAttributeVals.class ); 051 052 053 /** 054 * Instantiates a new action. 055 */ 056 public InitAttributeVals() 057 { 058 super( "Init Attribute vals" ); 059 } 060 061 062 /** 063 * {@inheritDoc} 064 */ 065 @Override 066 public void action( LdapMessageContainer<ModifyRequest> container ) 067 { 068 TLV tlv = container.getCurrentTLV(); 069 070 // If the length is null, we store an empty value 071 if ( LOG.isDebugEnabled() && ( tlv.getLength() == 0 ) ) 072 { 073 LOG.debug( I18n.msg( I18n.MSG_05129_NO_VALS_FOR_ATTRIBUTE ) ); 074 } 075 076 // We can have an END transition 077 container.setGrammarEndAllowed( true ); 078 079 if ( LOG.isDebugEnabled() ) 080 { 081 LOG.debug( I18n.msg( I18n.MSG_05130_SOME_VALS_NEED_DECODING ) ); 082 } 083 } 084}