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Appender.hh

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/*
 * Appender.hh
 *
 * Copyright 2000, LifeLine Networks BV (www.lifeline.nl). All rights reserved.
 * Copyright 2000, Bastiaan Bakker. All rights reserved.
 *
 * See the COPYING file for the terms of usage and distribution.
 */

#ifndef _LOG4CPP_APPENDER_HH
#define _LOG4CPP_APPENDER_HH

#include <log4cpp/Portability.hh>
#include <string>
#include <map>
#include <set>
#include <stdarg.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <log4cpp/Priority.hh>
#include <log4cpp/Layout.hh>
#include <log4cpp/LoggingEvent.hh>
#include <log4cpp/threading/Threading.hh>

namespace log4cpp {
    class LOG4CPP_EXPORT Filter;
    
    class LOG4CPP_EXPORT Appender {
        public:
        
        static Appender* getAppender(const std::string& name);
        
        static bool reopenAll();
        
        static void closeAll();
        
        protected:
        Appender(const std::string& name);
        
        public:
        virtual ~Appender();
        
        virtual void doAppend(const LoggingEvent& event) = 0;
        
        virtual bool reopen() = 0;
        
        virtual void close() = 0;
        
        virtual bool requiresLayout() const = 0;
        
        virtual void setLayout(Layout* layout) = 0;
        
        inline const std::string& getName() const { return _name; };
        
        virtual void setThreshold(Priority::Value priority) = 0;
        
        virtual Priority::Value getThreshold() = 0;
        
        virtual void setFilter(Filter* filter) = 0;
        
        virtual Filter* getFilter() = 0;
        
        private:
        typedef std::map<std::string, Appender*> AppenderMap;
        
        static AppenderMap* _allAppenders;
        static threading::Mutex _appenderMapMutex;

        static AppenderMap& _getAllAppenders();
        static void _deleteAllAppenders();
        static void _addAppender(Appender* appender);
        static void _removeAppender(Appender* appender);

        const std::string _name;
    };

    typedef std::set<Appender *> AppenderSet;
}

#endif // _LOG4CPP_APPENDER_HH

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