log4tango  4.0.3
LayoutAppender.hh
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00001 //
00002 // LayoutAppender.hh
00003 //
00004 // Copyright (C) :  2000 - 2002
00005 //                                      LifeLine Networks BV (www.lifeline.nl). All rights reserved.
00006 //                                      Bastiaan Bakker. All rights reserved.   
00007 //                                      
00008 //                                      2004,2005,2006,2007,2008,2009,2010
00009 //                                      Synchrotron SOLEIL
00010 //                      L'Orme des Merisiers
00011 //                      Saint-Aubin - BP 48 - France
00012 //
00013 // This file is part of log4tango.
00014 //
00015 // Log4ango is free software: you can redistribute it and/or modify
00016 // it under the terms of the GNU Lesser General Public License as published by
00017 // the Free Software Foundation, either version 3 of the License, or
00018 // (at your option) any later version.
00019 // 
00020 // Log4tango is distributed in the hope that it will be useful,
00021 // but WITHOUT ANY WARRANTY; without even the implied warranty of
00022 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00023 // GNU Lesser General Public License for more details.
00024 // 
00025 // You should have received a copy of the GNU Lesser General Public License
00026 // along with Log4Tango.  If not, see <http://www.gnu.org/licenses/>.
00027 
00028 #ifndef _LOG4TANGO_LAYOUTAPPENDER_H
00029 #define _LOG4TANGO_LAYOUTAPPENDER_H
00030 
00031 #include <log4tango/Portability.hh>
00032 #include <string>
00033 #include <log4tango/Appender.hh>
00034 #include <log4tango/PatternLayout.hh>
00035 
00036 namespace log4tango {
00037 
00038 //-----------------------------------------------------------------------------
00039 // class : LayoutAppender (superclass for appenders that require a Layout)
00040 //-----------------------------------------------------------------------------
00041 class LOG4TANGO_EXPORT LayoutAppender : public Appender 
00042 {
00043 public:
00044 
00045   typedef Layout DefaultLayoutType;
00046 
00047   LayoutAppender(const std::string& name);
00048 
00049   virtual ~LayoutAppender();
00050 
00051   virtual bool requires_layout() const;
00052 
00053   virtual void set_layout (Layout* layout = 0);
00054 
00055 protected:
00056 
00057   Layout& get_layout();
00058 
00059 private:
00060   Layout* _layout;
00061 };
00062 
00063 } // namespace log4tango
00064 
00065 #endif // _LOG4TANGO_LAYOUTAPPENDER_H
00066