BESLog.h

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00001 // BESLog.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 BESLog_h_
00034 #define BESLog_h_ 1
00035 
00036 #include <fstream>
00037 #include <string>
00038 
00039 using std::ofstream ;
00040 using std::ios ;
00041 using std::ostream ;
00042 using std::string ;
00043 
00044 #include "BESObj.h"
00045 
00087 class BESLog : public BESObj
00088 {
00089 private:
00090     static BESLog *     _instance ;
00091     int                 _flushed ;
00092     ofstream *          _file_buffer ;
00093     string              _file_name ;
00094     // Flag to indicate the object is not routing data to its associated stream
00095     int                 _suspended ;
00096     // Flag to indicate whether to log verbose messages
00097     bool                _verbose ;
00098 protected:
00099     BESLog(); 
00100 
00101     // Dumps the current system time.
00102     void                dump_time() ;
00103 public:
00104     ~BESLog();
00105 
00111     void suspend()
00112     {
00113         _suspended = 1 ;
00114     }
00115 
00121     void resume()
00122     {
00123         _suspended = 0 ;
00124     }
00125 
00132     void verbose_on()
00133     {
00134         _verbose = true ;
00135     }
00136 
00142     void verbose_off()
00143     {
00144         _verbose = false ;
00145     }
00146 
00162     bool is_verbose()
00163     {
00164         return _verbose ;
00165     }
00166 
00168     typedef ios& (*p_ios_manipulator) (ios&);
00170     typedef ostream& (*p_ostream_manipulator) (ostream&);
00171 
00172     BESLog& operator << (string&);
00173     BESLog& operator << (const string&);
00174     BESLog& operator << (char*);
00175     BESLog& operator << (const char*);
00176     BESLog& operator << (int);
00177     BESLog& operator << (char);
00178     BESLog& operator << (long);
00179     BESLog& operator << (unsigned long);
00180     BESLog& operator << (double);
00181 
00182     BESLog& operator<<(p_ostream_manipulator); 
00183     BESLog& operator<<(p_ios_manipulator); 
00184 
00185     virtual void                dump( ostream &strm ) const ;
00186 
00187     static BESLog *TheLog() ;
00188 };
00189 
00190 #endif // BESLog_h_
00191 

Generated on Sat Aug 22 06:04:33 2009 for OPeNDAP Hyrax Back End Server (BES) by  doxygen 1.6.0