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.modifyRequest; 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.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 /** 053 * Instantiates a new action. 054 */ 055 public InitAttributeVals() 056 { 057 super( "Init Attribute vals" ); 058 } 059 060 061 /** 062 * {@inheritDoc} 063 */ 064 public void action( LdapMessageContainer<ModifyRequestDecorator> container ) 065 { 066 TLV tlv = container.getCurrentTLV(); 067 068 // If the length is null, we store an empty value 069 if ( tlv.getLength() == 0 ) 070 { 071 LOG.debug( "No vals for this attribute" ); 072 } 073 074 // We can have an END transition 075 container.setGrammarEndAllowed( true ); 076 077 LOG.debug( "Some vals are to be decoded" ); 078 } 079}