00001 // BESCmdParser.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) 2004,2005 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 "BESCmdParser.h" 00034 #include "BESTokenizer.h" 00035 #include "BESCommand.h" 00036 #include "BESResponseHandler.h" 00037 #include "BESSyntaxUserError.h" 00038 00039 BESCmdParser::BESCmdParser( ) 00040 { 00041 } 00042 00043 BESCmdParser::~BESCmdParser() 00044 { 00045 } 00046 00062 void 00063 BESCmdParser::parse( const string &request, BESDataHandlerInterface &dhi ) 00064 { 00065 BESTokenizer t ; 00066 t.tokenize( request.c_str() ) ; 00067 string my_token = t.get_first_token() ; 00068 BESCommand *cmd = BESCommand::find_command( my_token ) ; 00069 if( cmd ) 00070 { 00071 dhi.response_handler = cmd->parse_request( t, dhi ) ; 00072 if( !dhi.response_handler ) 00073 { 00074 string err = "Problem parsing the request command" ; 00075 throw BESSyntaxUserError( err, __FILE__, __LINE__ ) ; 00076 } 00077 } 00078 else 00079 { 00080 string err = "Invalid command " + my_token ; 00081 throw BESSyntaxUserError( err, __FILE__, __LINE__ ) ; 00082 } 00083 } 00084