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loggingevent.h

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// Module:  Log4CPLUS
// File:    loggingevent.h
// Created: 6/2001
// Author:  Tad E. Smith
//
//
// Copyright (C) Tad E. Smith  All rights reserved.
//
// This software is published under the terms of the Apache Software
// License version 1.1, a copy of which has been included with this
// distribution in the LICENSE.APL file.
//

#ifndef _LOG4CPLUS_SPI_INTERNAL_LOGGING_EVENT_HEADER_
#define _LOG4CPLUS_SPI_INTERNAL_LOGGING_EVENT_HEADER_

#include <log4cplus/config.h>
#include <log4cplus/loglevel.h>
#include <log4cplus/ndc.h>
#include <log4cplus/tstring.h>
#include <log4cplus/helpers/timehelper.h>
#include <log4cplus/helpers/threads.h>

namespace log4cplus {
    namespace spi {
        class LOG4CPLUS_EXPORT InternalLoggingEvent {
        public:
          // Ctors
             InternalLoggingEvent(const log4cplus::tstring& logger,
                                  LogLevel ll,
                                  const log4cplus::tstring& message,
                                  const char* filename,
                                  int line)
              : message(message),
                loggerName(logger),
                ll(ll),
                ndc(),
                thread(),
                timestamp(log4cplus::helpers::Time::gettimeofday()),
                file( (  filename
                       ? LOG4CPLUS_C_STR_TO_TSTRING(filename) 
                       : log4cplus::tstring()) ),
                line(line),
                threadCached(false),
                ndcCached(false)
             {
             }

             InternalLoggingEvent(const log4cplus::tstring& logger,
                                  LogLevel ll,
                                  const log4cplus::tstring& ndc,
                                  const log4cplus::tstring& message,
                                  const log4cplus::tstring& thread,
                                  log4cplus::helpers::Time time,
                                  const log4cplus::tstring& file,
                                  int line)
              : message(message),
                loggerName(logger),
                ll(ll),
                ndc(ndc),
                thread(thread),
                timestamp(time),
                file(file),
                line(line),
                threadCached(true),
                ndcCached(true)
             {
             }

             InternalLoggingEvent(const log4cplus::spi::InternalLoggingEvent& rhs)
              : message(rhs.getMessage()),
                loggerName(rhs.getLoggerName()),
                ll(rhs.getLogLevel()),
                ndc(rhs.getNDC()),
                thread(rhs.getThread()),
                timestamp(rhs.getTimestamp()),
                file(rhs.getFile()),
                line(rhs.getLine()),
                threadCached(true),
                ndcCached(true)
             {
             }

            virtual ~InternalLoggingEvent();


          // public virtual methods
            virtual const log4cplus::tstring& getMessage() const;

            virtual unsigned int getType() const;

            virtual std::auto_ptr<InternalLoggingEvent> clone() const;



          // public methods
            const log4cplus::tstring& getLoggerName() const { return loggerName; }

            LogLevel getLogLevel() const { return ll; }

            const log4cplus::tstring& getNDC() const { 
                if(!ndcCached) {
                    ndc = log4cplus::getNDC().get();
                    ndcCached = true;
                }
                return ndc; 
            }

            const log4cplus::tstring& getThread() const {
                if(!threadCached) {
                    thread = LOG4CPLUS_GET_CURRENT_THREAD_NAME;
                    threadCached = true;
                }
                return thread; 
            }

            const log4cplus::helpers::Time& getTimestamp() const { return timestamp; }

            const log4cplus::tstring& getFile() const { return file; }

            int getLine() const { return line; }
 
          // public operators
            log4cplus::spi::InternalLoggingEvent&
            operator=(const log4cplus::spi::InternalLoggingEvent& rhs);

          // static methods
            static unsigned int getDefaultType();

        protected:
          // Data
            log4cplus::tstring message;

        private:
            log4cplus::tstring loggerName;
            LogLevel ll;
            mutable log4cplus::tstring ndc;
            mutable log4cplus::tstring thread;
            log4cplus::helpers::Time timestamp;
            log4cplus::tstring file;
            int line;
            mutable bool threadCached;
            mutable bool ndcCached;
        };

    } // end namespace spi
} // end namespace log4cplus

#endif // _LOG4CPLUS_SPI_INTERNAL_LOGGING_EVENT_HEADER_

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