BESUsageResponseHandler.cc

// BESUsageResponseHandler.cc
 
// This file is part of bes, A C++ back-end server implementation framework
// for the OPeNDAP Data Access Protocol.
 
// Copyright (c) 2004,2005 University Corporation for Atmospheric Research
// Author: Patrick West <pwest@ucar.edu> and Jose Garcia <jgarcia@ucar.edu>
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
// 
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
// Lesser General Public License for more details.
// 
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
//
// You can contact University Corporation for Atmospheric Research at
// 3080 Center Green Drive, Boulder, CO 80301
 
// (c) COPYRIGHT University Corporation for Atmospheric Research 2004-2005
// Please read the full copyright statement in the file COPYRIGHT_UCAR.
//
// Authors:
//      pwest       Patrick West <pwest@ucar.edu>
//      jgarcia     Jose Garcia <jgarcia@ucar.edu>
 
#include "../usage/BESUsageResponseHandler.h"
 
#include <libdap/DDS.h>
#include "../usage/BESUsage.h"
#include "../usage/BESUsageNames.h"
#include "../usage/BESUsageTransmit.h"
#include "BESRequestHandlerList.h"
#include "BESDapNames.h"
#include "BESDASResponse.h"
#include "BESDDSResponse.h"
#include "BESTransmitter.h"
 
using namespace libdap;
 
BESUsageResponseHandler::BESUsageResponseHandler( const string &name )
    : BESResponseHandler( name )
{
}
 
BESUsageResponseHandler::~BESUsageResponseHandler( )
{
}

void
BESUsageResponseHandler::execute( BESDataHandlerInterface &dhi )
{
    dhi.action_name = Usage_RESPONSE_STR ;
 
    // Create the DDS.
    // NOTE: It is the responsibility of the specific request handler to set
    // the BaseTypeFactory. It is set to NULL here
    DDS *dds = new DDS( NULL, "virtual" ) ;
    BESDDSResponse *bdds = new BESDDSResponse( dds ) ;
    d_response_object = bdds ;
    d_response_name = DDS_RESPONSE ;
    dhi.action = DDS_RESPONSE ;
    BESRequestHandlerList::TheList()->execute_each( dhi ) ;
 
    // Fill the DAS
    DAS *das = new DAS ;
    BESDASResponse *bdas = new BESDASResponse( das ) ;
    d_response_object = bdas ;
    d_response_name = DAS_RESPONSE ;
    dhi.action = DAS_RESPONSE ;
    BESRequestHandlerList::TheList()->execute_each( dhi ) ;
 
    BESUsage *usage = new BESUsage( bdas, bdds ) ;
    d_response_object = usage ;
    dhi.action = Usage_RESPONSE ;
}

void
BESUsageResponseHandler::transmit( BESTransmitter *transmitter,
                                   BESDataHandlerInterface &dhi )
{
    if( d_response_object )
    {
    transmitter->send_response( Usage_TRANSMITTER, d_response_object, dhi ) ;
    }
}
 
BESResponseHandler *
BESUsageResponseHandler::UsageResponseBuilder( const string &handler_name )
{
    return new BESUsageResponseHandler( handler_name ) ;
}