FoJsonRequestHandler.cc

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// -*- mode: c++; c-basic-offset:4 -*-
//
// FoJsonRequestHandler.cc
//
// This file is part of BES JSON File Out Module
//
// Copyright (c) 2014 OPeNDAP, Inc.
// Author: Nathan Potter <ndp@opendap.org>
//
// 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 OPeNDAP, Inc. at PO Box 112, Saunderstown, RI. 02874-0112.
// (c) COPYRIGHT URI/MIT 1995-1999
// Please read the full copyright statement in the file COPYRIGHT_URI.
//

#include "FoJsonRequestHandler.h"
#include <BESResponseHandler.h>
#include <BESResponseNames.h>
#include <BESVersionInfo.h>
#include <BESDataNames.h>
#include <BESDataNames.h>
#include <TheBESKeys.h>
#include "config.h"

FoJsonRequestHandler::FoJsonRequestHandler( const string &name )
    : BESRequestHandler( name )
{
    add_handler( HELP_RESPONSE, FoJsonRequestHandler::build_help ) ;
    add_handler( VERS_RESPONSE, FoJsonRequestHandler::build_version ) ;
}

FoJsonRequestHandler::~FoJsonRequestHandler()
{
}

bool
FoJsonRequestHandler::build_help( BESDataHandlerInterface &dhi )
{
    BESResponseObject *response = dhi.response_handler->get_response_object() ;
    BESInfo *info = dynamic_cast < BESInfo * >(response) ;
    if( !info )
        throw BESInternalError( "cast error", __FILE__, __LINE__ ) ;

    bool found = false ;
    string key = "FoJson.Reference" ;
    string ref ;
    TheBESKeys::TheKeys()->get_value( key, ref, found ) ;
    if( ref.empty() )
        ref = "http://docs.opendap.org/index.php/BES_-_Modules_-_FileOut_JSON" ;
    map<string,string> attrs ;
    attrs["name"] = MODULE_NAME ;
    attrs["version"] = MODULE_VERSION ;
#if 0
    attrs["name"] = PACKAGE_NAME;
    attrs["version"] = PACKAGE_VERSION;
#endif
    attrs["reference"] = ref ;
    info->begin_tag( "module", &attrs ) ;
    info->end_tag( "module" ) ;

    return true ;
}

bool
FoJsonRequestHandler::build_version( BESDataHandlerInterface &dhi )
{
    BESResponseObject *response = dhi.response_handler->get_response_object() ;
    BESVersionInfo *info = dynamic_cast < BESVersionInfo * >(response) ;
    if( !info )
        throw BESInternalError( "cast error", __FILE__, __LINE__ ) ;

#if 0
    info->add_module(PACKAGE_NAME, PACKAGE_VERSION);
#endif
    info->add_module(MODULE_NAME, MODULE_VERSION);

    return true ;
}

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