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.extras.extended.ads_impl.cancel; 021 022 023import org.apache.directory.shared.asn1.DecoderException; 024import org.apache.directory.shared.asn1.EncoderException; 025import org.apache.directory.shared.i18n.I18n; 026import org.apache.directory.shared.ldap.codec.api.ExtendedRequestDecorator; 027import org.apache.directory.shared.ldap.codec.api.LdapApiService; 028import org.apache.directory.shared.ldap.extras.extended.CancelRequest; 029import org.apache.directory.shared.ldap.extras.extended.CancelResponse; 030import org.slf4j.Logger; 031import org.slf4j.LoggerFactory; 032 033 034/** 035 * A Decorator for CancelRequests. 036 * 037 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 038 */ 039public class CancelRequestDecorator extends ExtendedRequestDecorator<CancelRequest,CancelResponse> implements CancelRequest 040{ 041 private static final Logger LOG = LoggerFactory.getLogger( CancelRequestDecorator.class ); 042 043 044 public CancelRequestDecorator( LdapApiService codec, CancelRequest decoratedMessage ) 045 { 046 super( codec, decoratedMessage ); 047 } 048 049 050 public int getCancelId() 051 { 052 return getDecorated().getCancelId(); 053 } 054 055 056 public void setCancelId( int cancelId ) 057 { 058 if ( cancelId == getCancelId() ) 059 { 060 return; 061 } 062 063 this.requestValue = null; 064 getDecorated().setCancelId( cancelId ); 065 } 066 067 068 /** 069 * {@inheritDoc} 070 */ 071 @Override 072 public byte[] getRequestValue() 073 { 074 if ( requestValue == null ) 075 { 076 try 077 { 078 Cancel cancel = new Cancel(); 079 cancel.setCancelId( getDecorated().getCancelId() ); 080 081 requestValue = cancel.encode().array(); 082 } 083 catch ( EncoderException e ) 084 { 085 LOG.error( I18n.err( I18n.ERR_04164 ), e ); 086 throw new RuntimeException( e ); 087 } 088 } 089 090 return requestValue; 091 } 092 093 094 /** 095 * Sets the extended request's <b>requestValue</b> portion of the PDU. 096 * 097 * @param payload byte array of data encapsulating ext. req. parameters 098 */ 099 @Override 100 public void setRequestValue( byte[] requestValue ) 101 { 102 CancelDecoder decoder = new CancelDecoder(); 103 104 try 105 { 106 Cancel cancel = ( Cancel ) decoder.decode( requestValue ); 107 108 if ( requestValue != null ) 109 { 110 this.requestValue = new byte[requestValue.length]; 111 System.arraycopy( requestValue, 0, this.requestValue, 0, requestValue.length ); 112 } 113 else 114 { 115 this.requestValue = null; 116 } 117 118 getDecorated().setCancelId( cancel.getCancelId() ); 119 } 120 catch ( DecoderException e ) 121 { 122 LOG.error( I18n.err( I18n.ERR_04165 ), e ); 123 throw new RuntimeException( e ); 124 } 125 } 126}