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.intermediateResponse; 021 022 023import org.apache.directory.api.asn1.DecoderException; 024import org.apache.directory.api.asn1.ber.grammar.GrammarAction; 025import org.apache.directory.api.asn1.ber.tlv.TLV; 026import org.apache.directory.api.ldap.codec.api.LdapMessageContainer; 027import org.apache.directory.api.ldap.codec.decorators.IntermediateResponseDecorator; 028import org.apache.directory.api.ldap.model.message.IntermediateResponse; 029import org.apache.directory.api.util.StringConstants; 030import org.apache.directory.api.util.Strings; 031import org.slf4j.Logger; 032import org.slf4j.LoggerFactory; 033 034 035/** 036 * The action used to store a IntermediateResponse value 037 * <pre> 038 * IntermediateResponse ::= [APPLICATION 25] SEQUENCE { 039 * ... 040 * responseValue [1] OCTET STRING OPTIONAL 041 * } 042 * </pre> 043 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 044 */ 045public class StoreIntermediateResponseValue extends GrammarAction<LdapMessageContainer<IntermediateResponseDecorator>> 046{ 047 /** The logger */ 048 private static final Logger LOG = LoggerFactory.getLogger( StoreIntermediateResponseValue.class ); 049 050 /** Speedup for logs */ 051 private static final boolean IS_DEBUG = LOG.isDebugEnabled(); 052 053 054 /** 055 * Instantiates a new response name action. 056 */ 057 public StoreIntermediateResponseValue() 058 { 059 super( "Store response value" ); 060 } 061 062 063 /** 064 * {@inheritDoc} 065 */ 066 public void action( LdapMessageContainer<IntermediateResponseDecorator> container ) throws DecoderException 067 { 068 // We can get the IntermediateResponse Object 069 IntermediateResponse intermediateResponse = container.getMessage(); 070 071 // Get the Value and store it in the IntermediateResponse 072 TLV tlv = container.getCurrentTLV(); 073 074 // We have to handle the special case of a 0 length matched 075 // value 076 if ( tlv.getLength() == 0 ) 077 { 078 intermediateResponse.setResponseValue( StringConstants.EMPTY_BYTES ); 079 } 080 else 081 { 082 intermediateResponse.setResponseValue( tlv.getValue().getData() ); 083 } 084 085 // We can have an END transition 086 container.setGrammarEndAllowed( true ); 087 088 if ( IS_DEBUG ) 089 { 090 LOG.debug( "Value read : {}", Strings.dumpBytes( intermediateResponse.getResponseValue() ) ); 091 } 092 } 093}