BESExceptionManager.h

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00001 // BESExceptionManager.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 BESExceptionManager_h_
00034 #define BESExceptionManager_h_ 1
00035 
00036 #include <list>
00037 
00038 using std::list ;
00039 
00040 #include "BESObj.h"
00041 #include "BESDataHandlerInterface.h"
00042 #include "BESInfo.h"
00043 
00044 class BESError ;
00045 
00046 typedef int (*p_bes_ehm)( BESError &e, BESDataHandlerInterface &dhi ) ;
00047 
00084 class BESExceptionManager : public BESObj
00085 {
00086 private:
00087     typedef list< p_bes_ehm >::const_iterator ehm_citer ;
00088     typedef list< p_bes_ehm >::iterator ehm_iter ;
00089     list< p_bes_ehm >   _ehm_list ;
00090     static BESExceptionManager *_instance ;
00091 protected:
00092                                 BESExceptionManager() ;
00093     virtual                     ~BESExceptionManager() ;
00094 public:
00095     virtual void                add_ehm_callback( p_bes_ehm ehm ) ;
00096     virtual int                 handle_exception( BESError &e,
00097                                               BESDataHandlerInterface &dhi ) ;
00098 
00099     virtual void                dump( ostream &strm ) const ;
00100 
00101     static BESExceptionManager *TheEHM() ;
00102 } ;
00103 
00104 #endif // BESExceptionManager_h_
00105 

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