| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| package org.apache.directory.shared.ldap.extras.extended; |
| |
| |
| import javax.naming.NamingException; |
| import javax.naming.ldap.ExtendedResponse; |
| |
| import org.apache.directory.shared.asn1.DecoderException; |
| import org.apache.directory.shared.asn1.EncoderException; |
| import org.apache.directory.shared.i18n.I18n; |
| import org.apache.directory.shared.ldap.extras.extended.ads_impl.Cancel; |
| import org.apache.directory.shared.ldap.extras.extended.ads_impl.CancelDecoder; |
| import org.apache.directory.shared.ldap.model.message.ExtendedRequestImpl; |
| import org.apache.directory.shared.ldap.model.message.ResultResponse; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| |
| /** |
| * Implement the extended Cancel Request as described in RFC 3909. |
| * |
| * It's grammar is : |
| * |
| * cancelRequestValue ::= SEQUENCE { |
| * cancelID MessageID |
| * -- MessageID is as defined in [RFC2251] |
| * } |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public class CancelRequest extends ExtendedRequestImpl |
| { |
| /** The serial version UUID */ |
| private static final long serialVersionUID = 1L; |
| |
| /** A logger for this class */ |
| private static final Logger LOG = LoggerFactory.getLogger( CancelRequest.class ); |
| |
| /** The cancelId of the request to be canceled */ |
| private int cancelId; |
| |
| /** The requestName for this extended request */ |
| public static final String EXTENSION_OID = "1.3.6.1.1.8"; |
| |
| |
| /** |
| * Creates a new instance of CancelRequest. |
| * |
| * @param messageId the message id |
| * @param cancelId the message id of the request to cancel |
| */ |
| public CancelRequest( int messageId, int cancelId ) |
| { |
| super( messageId ); |
| setRequestName( EXTENSION_OID ); |
| |
| this.cancelId = cancelId; |
| } |
| |
| |
| /** |
| * Creates a new instance of CancelRequest. |
| */ |
| public CancelRequest() |
| { |
| setRequestName( EXTENSION_OID ); |
| } |
| |
| |
| /** |
| * Sets the extended request's <b>requestValue</b> portion of the PDU. |
| * |
| * @param payload byte array of data encapsulating ext. req. parameters |
| */ |
| public void setRequestValue( byte[] requestValue ) |
| { |
| CancelDecoder decoder = new CancelDecoder(); |
| |
| try |
| { |
| Cancel cancel = ( Cancel ) decoder.decode( requestValue ); |
| |
| if ( requestValue != null ) |
| { |
| this.requestValue = new byte[requestValue.length]; |
| System.arraycopy( requestValue, 0, this.requestValue, 0, requestValue.length ); |
| } |
| else |
| { |
| this.requestValue = null; |
| } |
| |
| this.cancelId = cancel.getCancelId(); |
| } |
| catch ( DecoderException e ) |
| { |
| LOG.error( I18n.err( I18n.ERR_04165 ), e ); |
| throw new RuntimeException( e ); |
| } |
| } |
| |
| |
| public ExtendedResponse createExtendedResponse( String id, byte[] berValue, int offset, int length ) |
| throws NamingException |
| { |
| return ( ExtendedResponse ) getResultResponse(); |
| } |
| |
| |
| /** |
| * @return The id of the Message to cancel. |
| */ |
| public int getCancelId() |
| { |
| return cancelId; |
| } |
| |
| |
| /** |
| * Sets the message to cancel by id. |
| * |
| * @param cancelId The id of the message to cancel. |
| */ |
| public void setCancelId( int cancelId ) |
| { |
| this.cancelId = cancelId; |
| |
| // clear the request value if it was previously computed for the old value |
| if ( requestValue != null ) |
| { |
| requestValue = null; |
| } |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| */ |
| public byte[] getRequestValue() |
| { |
| if ( requestValue == null ) |
| { |
| try |
| { |
| Cancel cancel = new Cancel(); |
| cancel.setCancelId( this.cancelId ); |
| |
| requestValue = cancel.encode().array(); |
| } |
| catch ( EncoderException e ) |
| { |
| LOG.error( I18n.err( I18n.ERR_04164 ), e ); |
| throw new RuntimeException( e ); |
| } |
| } |
| |
| return requestValue; |
| } |
| |
| |
| public ResultResponse getResultResponse() |
| { |
| if ( response == null ) |
| { |
| response = new CancelResponse( cancelId ); |
| } |
| |
| return response; |
| } |
| } |