00001 // BESCommand.h 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 Atmostpheric 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 #ifndef A_BESCommand_h 00034 #define A_BESCommand_h 1 00035 00036 #include <string> 00037 #include <map> 00038 00039 using std::string ; 00040 using std::map ; 00041 00042 #include "BESObj.h" 00043 #include "BESDataHandlerInterface.h" 00044 00045 class BESResponseHandler ; 00046 class BESTokenizer ; 00047 00048 class BESCommand : public BESObj 00049 { 00050 private: 00051 static map< string, BESCommand * > cmd_list ; 00052 typedef map< string, BESCommand * >::iterator cmd_iter ; 00053 protected: 00054 string _cmd ; 00055 public: 00056 BESCommand( const string &cmd ) 00057 : _cmd( cmd ) {} 00058 virtual ~BESCommand() {} 00059 00060 virtual string parse_options( BESTokenizer &tokens, 00061 BESDataHandlerInterface &dhi ) ; 00062 00063 virtual BESResponseHandler *parse_request( BESTokenizer &tokens, 00064 BESDataHandlerInterface &dhi ) = 0 ; 00065 00066 virtual void dump( ostream &strm ) const ; 00067 00068 static BESCommand * TermCommand ; 00069 static void add_command( const string &cmd_str, 00070 BESCommand *cmd ) ; 00071 static bool del_command( const string &cmd_str ) ; 00072 static BESCommand * find_command( const string &cmd_str ) ; 00073 } ; 00074 00075 #endif // A_BESCommand_h 00076