BESXMLWWWGetCommand.cc

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// BESXMLWWWGetCommand.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 "BESXMLWWWGetCommand.h"
#include "BESDefinitionStorageList.h"
#include "BESDefinitionStorage.h"
#include "BESDefine.h"
#include "BESDataNames.h"
#include "BESWWWNames.h"
#include "BESResponseNames.h"
#include "BESXMLUtils.h"
#include "BESUtil.h"
#include "BESSyntaxUserError.h"
#include "BESDebug.h"

BESXMLWWWGetCommand::BESXMLWWWGetCommand( const BESDataHandlerInterface &base_dhi )
    : BESXMLGetCommand( base_dhi )
{
}

void
BESXMLWWWGetCommand::parse_request( xmlNode *node )
{
    string name ;
    string value ;
    map<string, string> props ;
    BESXMLUtils::GetNodeInfo( node, name, value, props ) ;

    if( name != GET_RESPONSE )
    {
        string err = "The specified command " + name
                     + " is not a get command" ;
        throw BESSyntaxUserError( err, __FILE__, __LINE__ ) ;
    }

    string type = props["type"] ;
    if( type.empty() || type != "html_form" )
    {
        string err = name + " command: data product must be html_form" ;
        throw BESSyntaxUserError( err, __FILE__, __LINE__ ) ;
    }

    parse_basic_get( node, name, type, value, props ) ;

    _dhi.data[WWW_URL] = props["url"] ;
    if( _dhi.data[WWW_URL].empty() )
    {
        string err = name + " html_form command: missing url property" ;
        throw BESSyntaxUserError( err, __FILE__, __LINE__ ) ;
    }
    _str_cmd += " using " + _dhi.data[WWW_URL] ;

    // now that we've set the action, go get the response handler for the
    // action
    BESXMLCommand::set_response() ;
}

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

BESXMLCommand *
BESXMLWWWGetCommand::CommandBuilder( const BESDataHandlerInterface &base_dhi )
{
    return new BESXMLWWWGetCommand( base_dhi ) ;
}