OPeNDAP Hyrax Back End Server (BES) Updated for version 3.8.3
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00001 // BESXMLCommand.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) 2004-2009 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 #ifndef A_BESXMLCommand_h 00034 #define A_BESXMLCommand_h 1 00035 00036 #include <string> 00037 #include <map> 00038 00039 using std::string ; 00040 using std::map ; 00041 00042 #include <libxml/encoding.h> 00043 00044 #include "BESObj.h" 00045 #include "BESDataHandlerInterface.h" 00046 00047 class BESResponseHandler ; 00048 class BESXMLCommand ; 00049 typedef BESXMLCommand *(*p_xmlcmd_builder)( const BESDataHandlerInterface &dhi); 00050 00051 class BESXMLCommand : public BESObj 00052 { 00053 private: 00054 static map< string, p_xmlcmd_builder > cmd_list ; 00055 typedef map< string, p_xmlcmd_builder >::iterator cmd_iter ; 00056 protected: 00057 BESDataHandlerInterface _dhi ; 00058 virtual void set_response() ; 00059 string _str_cmd ; 00060 BESXMLCommand( const BESDataHandlerInterface &base_dhi ) ; 00061 public: 00062 virtual ~BESXMLCommand() {} 00063 00068 virtual void parse_request( xmlNode *node ) = 0 ; 00074 virtual bool has_response() = 0 ; 00078 virtual void prep_request() {} 00087 virtual BESDataHandlerInterface &get_dhi() { return _dhi ; } 00088 00089 virtual void dump( ostream &strm ) const ; 00090 00091 static void add_command( const string &cmd_str, 00092 p_xmlcmd_builder cmd ) ; 00093 static bool del_command( const string &cmd_str ) ; 00094 static p_xmlcmd_builder find_command( const string &cmd_str ) ; 00095 } ; 00096 00097 #endif // A_BESXMLCommand_h 00098