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.shared.ldap.codec.actions.modifyRequest; 021 022 023import org.apache.directory.shared.asn1.ber.grammar.GrammarAction; 024import org.apache.directory.shared.asn1.ber.tlv.TLV; 025import org.apache.directory.shared.ldap.codec.api.LdapMessageContainer; 026import org.apache.directory.shared.ldap.codec.decorators.ModifyRequestDecorator; 027import org.slf4j.Logger; 028import org.slf4j.LoggerFactory; 029 030 031/** 032 * The action used to initialize the set of ModificationRequest AVAs 033 * <pre> 034 * ModifyRequest ::= [APPLICATION 6] SEQUENCE { 035 * ... 036 * modification SEQUENCE OF SEQUENCE { 037 * ... 038 * modification AttributeTypeAndValues } 039 * 040 * AttributeTypeAndValues ::= SEQUENCE { 041 * ... 042 * vals SET OF AttributeValue } 043 * </pre> 044 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 045 */ 046public class InitAttributeVals extends GrammarAction<LdapMessageContainer<ModifyRequestDecorator>> 047{ 048 /** The logger */ 049 private static final Logger LOG = LoggerFactory.getLogger( InitAttributeVals.class ); 050 051 /** 052 * Instantiates a new action. 053 */ 054 public InitAttributeVals() 055 { 056 super( "Init Attribute vals" ); 057 } 058 059 060 /** 061 * {@inheritDoc} 062 */ 063 public void action( LdapMessageContainer<ModifyRequestDecorator> container ) 064 { 065 TLV tlv = container.getCurrentTLV(); 066 067 // If the length is null, we store an empty value 068 if ( tlv.getLength() == 0 ) 069 { 070 LOG.debug( "No vals for this attribute" ); 071 } 072 073 // We can have an END transition 074 container.setGrammarEndAllowed( true ); 075 076 LOG.debug( "Some vals are to be decoded" ); 077 } 078}