Examples of org.apache.log4j.spi.LoggingEvent

org.apache.log4j.spi.LoggingEvent
The internal representation of logging events. When an affirmative decision is made to log then a LoggingEvent instance is created. This instance is passed around to the different log4j components.
This class is of concern to those wishing to extend log4j.

Writers of log4j components such as appenders and receivers should be aware of that some of the LoggingEvent fields are initialized lazily. Therefore, an appender wishing to output data to be later correctly read by a receiver, must initialize "lazy" fields prior to writing them out. See the {@link #prepareForDeferredProcessing()} method for the exact list.
Moreover, in the absence of certain fields, receivers must set the values of null fields to a default non-null value. For example, in the absence of the locationInfo data, the locationInfo field should be set to {@link org.apache.log4j.spi.location.LocationInfo#NA_LOCATION_INFO LocationInfo.NA_LOCATION_INFO}. @author Ceki Gülcü @author James P. Cakalic

   */
  public void run() {


    // Category cat = Category.getInstance(Dispatcher.class.getName());


    LoggingEvent event;


    while (true) {
      synchronized (bf) {
        if (bf.length() == 0) {
          // Exit loop if interrupted but only if the the buffer is

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      // If this event is not between the start and end dates, then skip it.
      if (null != dateFilter && !dateFilter.containsLong(ts))
        return null;
      Category c = Logger.getLogger(clazz);
      Level l = Level.toLevel(level);
      LoggingEvent event = new LoggingEvent(clazz, c, ts, l, message, threadName, (ThrowableInformation) null, (String) null, (LocationInfo) null,
          (Map<?,?>) null);
      // Check the log level filter
      if (null != levelFilter && (levelFilter.decide(event) == Filter.DENY)) {
        return null;
      }

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  public void flushBuffer() {
    //Do the actual logging
    removes.ensureCapacity(buffer.size());
    for (Iterator i = buffer.iterator(); i.hasNext();) {
      try {
        LoggingEvent logEvent = (LoggingEvent)i.next();
      String sql = getLogStatement(logEvent);
      execute(sql);
        removes.add(logEvent);
      }
      catch (SQLException e) {

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     * @param index
     *            the index to check at
     */
    private void assertLoggedMessage(String message, List events, int index)
    {
        LoggingEvent e = (LoggingEvent) events.get(index);


        assertEquals("Message", message, e.getMessage());
    }

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    {
        int count = events.size();


        for (int i = 0; i < count; i++)
        {
            LoggingEvent e = (LoggingEvent) events.get(i);


            String eventMessage = String.valueOf(e.getMessage());


            if (eventMessage.indexOf(message) >= 0)
                return;
        }

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        int count = events.size();


        for (int i = 0; i < count; i++)
        {
            LoggingEvent e = (LoggingEvent) events.get(i);


            String eventMessage = e.getMessage().toString();


            if (compiled == null)
                compiled = _compiler.compile(pattern);


            if (_matcher.contains(eventMessage, compiled))

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    /* (non-Javadoc)
     * @see org.apache.log4j.AppenderSkeleton#append(org.apache.log4j.spi.LoggingEvent)
     */
    protected void append( LoggingEvent event )
    {
        final LoggingEvent logEvent = event;


        // We need to print the message on console asynchronously to avoid UI thread exception
        Display.getDefault().asyncExec( new Runnable()
        {
            public void run()
            {
                LogMessageConsole console = ConsolesHandler.getDefault().getLogMessageConsole( serverId );
                if ( console != null )
                {
                    // Formatting the message with the layout
                    String message = layout.format( logEvent );


                    // Switching dependening on the level
                    Level level = logEvent.getLevel();
                    if ( level == Level.INFO )
                    {
                        console.getInfoConsoleMessageStream().print( message );
                    }
                    else if ( level == Level.DEBUG )

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    /**
     * Updates the preview label.
     */
    private void updatePreviewLabel()
    {
        LoggingEvent loggingEvent = new LoggingEvent(
            Messages.getString( "ServerLogsPage.CategoryClass" ), Logger.getLogger( "logger" ), Level.INFO, //$NON-NLS-1$ //$NON-NLS-2$
            Messages.getString( "ServerLogsPage.LoggingMessage" ), new Exception( Messages.getString( "ServerLogsPage.AnException" ) ) ); //$NON-NLS-1$ //$NON-NLS-2$
        previewLabel.setText( new PatternLayout( patternText.getText() ).format( loggingEvent ) );
    }

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        // Avoid high throughput.
        if (!highTroughputAllowed && _highThroughputCount > 0 &&  _highThroughputCount > (highTroughputMaxTime / 1000)) {
            setLoggerSetsLevel(org.apache.log4j.Level.FATAL);
            String warnMessage = "\nWARNING: Log4J High thoughput detected (more than " + getHighThroughput() + " events per second). All log levels set to FATAL.\n";
            LoggingEvent warnEvent = new LoggingEvent(Category.class.getName(), Logger.getRootLogger(), org.apache.log4j.Level.WARN, warnMessage, null);
            memoryAppender.buffer.addLast(warnEvent);
            System.out.println(warnMessage);
            _highThroughputCount = 0;
        }
    }

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      // If this event is not between the start and end dates, then skip it.
      if (null != dateFilter && !dateFilter.containsLong(ts))
        return null;
      Category c = Logger.getLogger(clazz);
      Level l = Level.toLevel(level);
      LoggingEvent event = new LoggingEvent(clazz, c, ts, l, message, threadName, (ThrowableInformation) null, (String) null, (LocationInfo) null,
          (Map<?,?>) null);
      // Check the log level filter
      if (null != levelFilter && (levelFilter.decide(event) == Filter.DENY)) {
        return null;
      }

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