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GEOSException.h

00001 /**********************************************************************
00002  * $Id: GEOSException.h 2556 2009-06-06 22:22:28Z strk $
00003  *
00004  * GEOS - Geometry Engine Open Source
00005  * http://geos.refractions.net
00006  *
00007  * Copyright (C) 2001-2002 Vivid Solutions Inc.
00008  * Copyright (C) 2006 Refractions Research Inc.
00009  *
00010  * This is free software; you can redistribute and/or modify it under
00011  * the terms of the GNU Lesser General Public Licence as published
00012  * by the Free Software Foundation. 
00013  * See the COPYING file for more information.
00014  *
00015  **********************************************************************/
00016 
00017 #ifndef GEOS_UTIL_GEOSEXCEPTION_H
00018 #define GEOS_UTIL_GEOSEXCEPTION_H
00019 
00020 #include <geos/export.h>
00021 #include <stdexcept>
00022 #include <string>
00023 
00024 namespace geos {
00025 namespace util { // geos.util
00026 
00034 class GEOS_DLL GEOSException: public std::exception {
00035 
00036         std::string _msg;
00037 
00038 public:
00039 
00040         GEOSException()
00041                 :
00042                 _msg("Unknown error")
00043         {}
00044 
00045         GEOSException(std::string const& msg)
00046                 :
00047                 _msg(msg)
00048         {}
00049 
00050         GEOSException(std::string const& name, std::string const& msg)
00051                 :
00052                 _msg(name+": "+msg)
00053         {}
00054 
00055         virtual ~GEOSException() throw()
00056         {}
00057 
00058         const char* what() const throw()
00059         {
00060                 return _msg.c_str();
00061         }
00062 
00063 };
00064 
00065 } // namespace geos.util
00066 } // namespace geos
00067 
00068 #endif // GEOS_UTIL_GEOSEXCEPTION_H
00069 
00070 /**********************************************************************
00071  * $Log$
00072  * Revision 1.4  2006/05/22 15:08:01  strk
00073  * Print colon after exception name (as it has always been)
00074  *
00075  * Revision 1.3  2006/04/05 09:34:20  strk
00076  * GEOSException derived from std::exception again, hopefully the correct way now
00077  *
00078  * Revision 1.2  2006/04/04 08:16:46  strk
00079  * Changed GEOSException hierarchy to be derived from std::runtime_exception.
00080  * Removed the GEOSException::toString redundant method (use ::what() instead)
00081  *
00082  * Revision 1.1  2006/03/09 16:46:49  strk
00083  * geos::geom namespace definition, first pass at headers split
00084  *
00085  **********************************************************************/

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