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 */
020 package org.apache.directory.server.ldap.handlers;
021
022
023 import org.apache.directory.server.ldap.ExtendedOperationHandler;
024 import org.apache.directory.server.ldap.LdapSession;
025 import org.apache.directory.shared.ldap.message.InternalExtendedRequest;
026 import org.apache.directory.shared.ldap.message.InternalExtendedResponse;
027 import org.apache.directory.shared.ldap.message.InternalLdapResult;
028 import org.apache.directory.shared.ldap.message.ResultCodeEnum;
029 import org.apache.directory.shared.ldap.util.ExceptionUtils;
030
031
032 /**
033 * A single reply handler for {@link InternalExtendedRequest}s.
034 *
035 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
036 * @version $Rev: 664302 $
037 */
038 public class ExtendedHandler extends LdapRequestHandler<InternalExtendedRequest>
039 {
040 public void handle( LdapSession session, InternalExtendedRequest req ) throws Exception
041 {
042 ExtendedOperationHandler handler = getLdapServer().getExtendedOperationHandler( req.getOid() );
043
044 if ( handler == null )
045 {
046 // As long as no extended operations are implemented, send appropriate
047 // error back to the client.
048 String msg = "Unrecognized extended operation EXTENSION_OID: " + req.getOid();
049 InternalLdapResult result = req.getResultResponse().getLdapResult();
050 result.setResultCode( ResultCodeEnum.PROTOCOL_ERROR );
051 result.setErrorMessage( msg );
052 session.getIoSession().write( req.getResultResponse() );
053 return;
054 }
055
056 try
057 {
058 handler.handleExtendedOperation( session, req );
059 }
060 catch ( Exception e )
061 {
062 InternalLdapResult result = req.getResultResponse().getLdapResult();
063 result.setResultCode( ResultCodeEnum.OTHER );
064 result.setErrorMessage( ResultCodeEnum.OTHER
065 + ": Extended operation handler for the specified EXTENSION_OID (" + req.getOid()
066 + ") has failed to process your request:\n" + ExceptionUtils.getStackTrace( e ) );
067 InternalExtendedResponse resp = ( InternalExtendedResponse ) req.getResultResponse();
068 resp.setResponse( new byte[0] );
069 session.getIoSession().write( req.getResultResponse() );
070 }
071 }
072 }