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.core.CoreSession;
024    import org.apache.directory.server.ldap.LdapSession;
025    import org.apache.directory.shared.ldap.message.InternalDeleteRequest;
026    import org.apache.directory.shared.ldap.message.InternalLdapResult;
027    import org.apache.directory.shared.ldap.message.ResultCodeEnum;
028    
029    import org.slf4j.Logger;
030    import org.slf4j.LoggerFactory;
031    
032    
033    /**
034     * A single reply handler for {@link InternalDeleteRequest}s.
035     *
036     * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
037     * @version $Rev: 664302 $
038     */
039    public class DeleteHandler extends LdapRequestHandler<InternalDeleteRequest>
040    {
041        private static final Logger LOG = LoggerFactory.getLogger( DeleteHandler.class );
042    
043    
044        /**
045         * {@inheritDoc}
046         */
047        public void handle( LdapSession session, InternalDeleteRequest req )
048        {
049            LOG.debug( "Handling request: {}", req );
050            InternalLdapResult result = req.getResultResponse().getLdapResult();
051    
052            try
053            {
054                // Call the underlying layer to delete the entry 
055                CoreSession coreSession = session.getCoreSession();
056                coreSession.delete( req );
057                
058                // If success, here now, otherwise, we would have an exception.
059                result.setResultCode( ResultCodeEnum.SUCCESS );
060                
061                // Write the DeleteResponse message
062                session.getIoSession().write( req.getResultResponse() );
063            }
064            catch ( Exception e )
065            {
066                handleException( session, req, e );
067            }
068        }
069    }