/*
    *  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.server.ldap.handlers.request;
  
  
  import org.apache.directory.api.ldap.model.message.CompareRequest;
  import org.apache.directory.api.ldap.model.message.CompareResponse;
  import org.apache.directory.api.ldap.model.message.LdapResult;
  import org.apache.directory.api.ldap.model.message.ResultCodeEnum;
  import org.apache.directory.server.ldap.LdapSession;
  import org.apache.directory.server.ldap.handlers.LdapRequestHandler;
  
  import org.slf4j.Logger;
  import org.slf4j.LoggerFactory;
  
  
  /**
   * A single reply MessageReceived handler for {@link org.apache.directory.api.ldap.model.message.CompareRequest}s.
   *
   * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
   */
  public class CompareRequestHandler extends LdapRequestHandler<CompareRequest>
  {
      private static final Logger LOG = LoggerFactory.getLogger( CompareRequestHandler.class );
  
      /**
       * {@inheritDoc}
       */
      public void handle( LdapSession session, CompareRequest compareRequest )
      {
          LOG.debug( "Handling compare request while ignoring referrals: {}", compareRequest );
          
          CompareResponse compareResponse = ( CompareResponse ) compareRequest.getResultResponse();
          
          LdapResult result = compareRequest.getResultResponse().getLdapResult();
  
          try
          {
              if ( session.getCoreSession().compare( compareRequest ) )
              {
                  result.setResultCode( ResultCodeEnum.COMPARE_TRUE );
              }
              else
              {
                  result.setResultCode( ResultCodeEnum.COMPARE_FALSE );
              }
  
              result.setMatchedDn( compareRequest.getName() );
              session.getIoSession().write( compareResponse );
          }
          catch ( Exception e )
          {
              handleException( session, compareRequest, compareResponse, e );
          }
      }
  }