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.extendedRequest; 021 022 023import org.apache.directory.shared.asn1.DecoderException; 024import org.apache.directory.shared.asn1.ber.grammar.GrammarAction; 025import org.apache.directory.shared.asn1.ber.tlv.TLV; 026import org.apache.directory.shared.ldap.codec.api.LdapMessageContainer; 027import org.apache.directory.shared.ldap.codec.api.ExtendedRequestDecorator; 028import org.apache.directory.shared.util.StringConstants; 029import org.slf4j.Logger; 030import org.slf4j.LoggerFactory; 031 032 033/** 034 * The action used to store the Extended Request value 035 * <pre> 036 * ExtendedRequest ::= [APPLICATION 23] SEQUENCE { 037 * ... 038 * requestValue [1] OCTET STRING OPTIONAL } 039 * </pre> 040 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 041 */ 042public class StoreExtendedRequestValue extends GrammarAction<LdapMessageContainer<ExtendedRequestDecorator<?,?>>> 043{ 044 /** The logger */ 045 private static final Logger LOG = LoggerFactory.getLogger( StoreExtendedRequestValue.class ); 046 047 /** Speedup for logs */ 048 private static final boolean IS_DEBUG = LOG.isDebugEnabled(); 049 050 /** 051 * Instantiates a new action. 052 */ 053 public StoreExtendedRequestValue() 054 { 055 super( "Store ExtendedRequest value" ); 056 } 057 058 059 /** 060 * {@inheritDoc} 061 */ 062 public void action( LdapMessageContainer<ExtendedRequestDecorator<?,?>> container ) throws DecoderException 063 { 064 // We can allocate the ExtendedRequest Object 065 ExtendedRequestDecorator<?,?> extendedRequest = container.getMessage(); 066 067 // Get the Value and store it in the ExtendedRequest 068 TLV tlv = container.getCurrentTLV(); 069 070 // We have to handle the special case of a 0 length matched 071 // value 072 if ( tlv.getLength() == 0 ) 073 { 074 extendedRequest.setRequestValue( StringConstants.EMPTY_BYTES ); 075 } 076 else 077 { 078 extendedRequest.setRequestValue( tlv.getValue().getData() ); 079 } 080 081 // We can have an END transition 082 container.setGrammarEndAllowed( true ); 083 084 if ( IS_DEBUG ) 085 { 086 LOG.debug( "Extended value : {}", extendedRequest.getRequestValue() ); 087 } 088 } 089}