BESDapRequestHandler.cc

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00001 // BESDapRequestHandler.cc
00002 
00003 // This file is part of bes, A C++ back-end server implementation framework
00004 // for the OPeNDAP Data Access Protocol.
00005 
00006 // Copyright (c) 2004-2009 University Corporation for Atmospheric Research
00007 // Author: Patrick West <pwest@ucar.edu> and Jose Garcia <jgarcia@ucar.edu>
00008 //
00009 // This library is free software; you can redistribute it and/or
00010 // modify it under the terms of the GNU Lesser General Public
00011 // License as published by the Free Software Foundation; either
00012 // version 2.1 of the License, or (at your option) any later version.
00013 // 
00014 // This library is distributed in the hope that it will be useful,
00015 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00016 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00017 // Lesser General Public License for more details.
00018 // 
00019 // You should have received a copy of the GNU Lesser General Public
00020 // License along with this library; if not, write to the Free Software
00021 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
00022 //
00023 // You can contact University Corporation for Atmospheric Research at
00024 // 3080 Center Green Drive, Boulder, CO 80301
00025  
00026 // (c) COPYRIGHT University Corporation for Atmospheric Research 2004-2005
00027 // Please read the full copyright statement in the file COPYRIGHT_UCAR.
00028 //
00029 // Authors:
00030 //      pwest       Patrick West <pwest@ucar.edu>
00031 //      jgarcia     Jose Garcia <jgarcia@ucar.edu>
00032 
00033 #include <util.h>
00034 
00035 using namespace libdap ;
00036 
00037 #include "BESDapRequestHandler.h"
00038 #include "BESResponseHandler.h"
00039 #include "BESDapNames.h"
00040 #include "BESResponseNames.h"
00041 #include "BESVersionInfo.h"
00042 
00043 BESDapRequestHandler::BESDapRequestHandler( const string &name )
00044     : BESRequestHandler( name )
00045 {
00046     add_handler( HELP_RESPONSE, BESDapRequestHandler::dap_build_help ) ;
00047     add_handler( VERS_RESPONSE, BESDapRequestHandler::dap_build_version ) ;
00048 }
00049 
00050 BESDapRequestHandler::~BESDapRequestHandler()
00051 {
00052 }
00053 
00054 bool
00055 BESDapRequestHandler::dap_build_help( BESDataHandlerInterface &dhi )
00056 {
00057     BESResponseObject *response = dhi.response_handler->get_response_object() ;
00058     BESInfo *info = dynamic_cast < BESInfo * >(response) ;
00059     if( !info )
00060        throw BESInternalError( "cast error", __FILE__, __LINE__ ) ;
00061 
00062     map<string,string> attrs ;
00063     attrs["name"] = libdap_name() ;
00064     attrs["version"] = libdap_version() ;
00065     info->begin_tag( "module", &attrs ) ;
00066     info->add_data_from_file( "DAP.Help", "DAP Help" ) ;
00067     info->end_tag( "module" ) ;
00068 
00069     return true ;
00070 }
00071 
00072 bool
00073 BESDapRequestHandler::dap_build_version( BESDataHandlerInterface &dhi )
00074 {
00075     BESResponseObject *response = dhi.response_handler->get_response_object() ;
00076     BESVersionInfo *info = dynamic_cast < BESVersionInfo * >(response) ;
00077     if( !info )
00078        throw BESInternalError( "cast error", __FILE__, __LINE__ ) ;
00079 
00080     info->add_library( libdap_name(), libdap_version() ) ;
00081     list<string> versions ;
00082     versions.push_back( "2.0" ) ;
00083     versions.push_back( "3.0" ) ;
00084     versions.push_back( "3.2" ) ;
00085     info->add_service( OPENDAP_SERVICE, versions ) ;
00086 
00087     return true ;
00088 }
00089 
00096 void
00097 BESDapRequestHandler::dump( ostream &strm ) const
00098 {
00099     strm << BESIndent::LMarg << "BESDapRequestHandler::dump - ("
00100                              << (void *)this << ")" << endl ;
00101     BESIndent::Indent() ;
00102     BESRequestHandler::dump( strm ) ;
00103     BESIndent::UnIndent() ;
00104 }
00105