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 * https://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.request.unbind; 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.i18n.I18n; 027import org.apache.directory.api.ldap.codec.api.LdapMessageContainer; 028import org.apache.directory.api.ldap.model.message.UnbindRequest; 029import org.apache.directory.api.ldap.model.message.UnbindRequestImpl; 030import org.slf4j.Logger; 031import org.slf4j.LoggerFactory; 032 033 034/** 035 * The action used to initialize the UnbindRequest : 036 * <pre> 037 * LdapMessage ::= ... UnBindRequest ... 038 * unbindRequest ::= [APPLICATION 2] NULL 039 * </pre> 040 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 041 */ 042public class InitUnbindRequest extends GrammarAction<LdapMessageContainer<UnbindRequest>> 043{ 044 /** The logger */ 045 private static final Logger LOG = LoggerFactory.getLogger( InitUnbindRequest.class ); 046 047 048 /** 049 * Instantiates a new action. 050 */ 051 public InitUnbindRequest() 052 { 053 super( "Unbind Request initialization" ); 054 } 055 056 057 /** 058 * {@inheritDoc} 059 */ 060 public void action( LdapMessageContainer<UnbindRequest> container ) throws DecoderException 061 { 062 // Create the UnbindRequest LdapMessage instance and store it in the container 063 UnbindRequest unbindRequest = new UnbindRequestImpl(); 064 unbindRequest.setMessageId( container.getMessageId() ); 065 container.setMessage( unbindRequest ); 066 067 TLV tlv = container.getCurrentTLV(); 068 int expectedLength = tlv.getLength(); 069 070 // The Length should be null 071 if ( expectedLength != 0 ) 072 { 073 LOG.error( I18n.err( I18n.ERR_05130_NON_NULL_UNBIND_LENGTH, Integer.valueOf( expectedLength ) ) ); 074 075 // This will generate a PROTOCOL_ERROR 076 throw new DecoderException( I18n.err( I18n.ERR_05131_UNBIND_REQUEST_LENGTH_MUST_BE_NULL ) ); 077 } 078 079 // We can quit now 080 container.setGrammarEndAllowed( true ); 081 } 082}