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