BESDDSResponseHandler.cc

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// BESDDSResponseHandler.cc

// This file is part of bes, A C++ back-end server implementation framework
// for the OPeNDAP Data Access Protocol.

// Copyright (c) 2004-2009 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 "BESDDSResponseHandler.h"
#include "BESDDSResponse.h"
#include "BESRequestHandlerList.h"
#include "BESDapNames.h"
#include "BESDataNames.h"
//#include "BESDapTransmit.h"

#include "BESDebug.h"

BESDDSResponseHandler::BESDDSResponseHandler(const string &name) :
                BESResponseHandler(name)
{
}

BESDDSResponseHandler::~BESDDSResponseHandler()
{
}

void BESDDSResponseHandler::execute(BESDataHandlerInterface &dhi)
{
        // NOTE: It is the responsibility of the specific request handler to set
        // the BaseTypeFactory. It is set to NULL here
        dhi.action_name = DDS_RESPONSE_STR;
        DDS *dds = new DDS(NULL, "virtual");
        BESDDSResponse *bdds = new BESDDSResponse(dds);

        // Set the DAP protocol version requested by the client

        dhi.first_container();
        BESDEBUG("version", "Initial CE: " << dhi.container->get_constraint() << endl);

        // Keywords were a hack to the protocol and have been dropped. We can get rid of
        // this keyword code. jhrg 11/6/13
        dhi.container->set_constraint(dds->get_keywords().parse_keywords(dhi.container->get_constraint()));
        BESDEBUG("version", "CE after keyword processing: " << dhi.container->get_constraint() << endl);

        if (dds->get_keywords().has_keyword("dap")) {
                dds->set_dap_version(dds->get_keywords().get_keyword_value("dap"));
        }
        else if (!bdds->get_dap_client_protocol().empty()) {
                dds->set_dap_version(bdds->get_dap_client_protocol());
        }

        _response = bdds;
        BESRequestHandlerList::TheList()->execute_each(dhi);
}

void BESDDSResponseHandler::transmit(BESTransmitter *transmitter, BESDataHandlerInterface &dhi)
{
        if (_response) {
                transmitter->send_response(DDS_SERVICE, _response, dhi);
        }
}

void BESDDSResponseHandler::dump(ostream &strm) const
{
        strm << BESIndent::LMarg << "BESDDSResponseHandler::dump - (" << (void *) this << ")" << endl;
        BESIndent::Indent();
        BESResponseHandler::dump(strm);
        BESIndent::UnIndent();
}

BESResponseHandler *
BESDDSResponseHandler::DDSResponseBuilder(const string &name)
{
        return new BESDDSResponseHandler(name);
}