Java Code Examples for org.apache.log4j.spi.LoggingEvent#getNDC()

public
   String convert(LoggingEvent event) {
     switch(type) {
     case RELATIVE_TIME_CONVERTER:
return (Long.toString(event.timeStamp - LoggingEvent.getStartTime()));
     case THREAD_CONVERTER:
return event.getThreadName();
     case LEVEL_CONVERTER:
return event.getLevel().toString();
     case NDC_CONVERTER:
return event.getNDC();
     case MESSAGE_CONVERTER: {
return event.getRenderedMessage();
     }
     default: return null;
     }
   }
 

/**
   Perform SMTPAppender specific appending actions, mainly adding
   the event to a cyclic buffer and checking if the event triggers
   an e-mail to be sent. */
public
void append(LoggingEvent event) {

  if(!checkEntryConditions()) {
    return;
  }

  event.getThreadName();
  event.getNDC();
  event.getMDCCopy();
  if(locationInfo) {
    event.getLocationInformation();
  }
  cb.add(event);
  if(evaluator.isTriggeringEvent(event)) {
    sendBuffer();
  }
}
 

public void append(LoggingEvent event) {
	event.getNDC();
	event.getThreadName();
	// Get a copy of this thread's MDC.
	event.getMDCCopy();
	if (locationInfo) {
		event.getLocationInformation();
	}
	event.getRenderedMessage();
	event.getThrowableStrRep();
	buffer.add(event);

	if (buffer.size() >= bufferSize)
		flushBuffer();
}
 

/**
  In addition to the level of the statement and message, the
  returned byte array includes time, thread, category and {@link NDC}
  information.

  <p>Time, thread, category and diagnostic context are printed
  depending on options.

   @param event The event to format

 */
 public
 String format(LoggingEvent event) {

   // Reset buf
   buf.setLength(0);

   dateFormat(buf, event);

   if(this.threadPrinting) {
     buf.append('[');
     buf.append(event.getThreadName());
     buf.append("] ");
   }
   buf.append(event.getLevel().toString());
   buf.append(' ');

   if(this.categoryPrefixing) {
     buf.append(event.getLoggerName());
     buf.append(' ');
   }

   if(this.contextPrinting) {
      String ndc = event.getNDC();

     if(ndc != null) {
buf.append(ndc);
buf.append(' ');
     }
   }
   buf.append("- ");
   buf.append(event.getRenderedMessage());
   buf.append(LINE_SEP);
   return buf.toString();
 }
 

/**
 * Creates a new <code>EventDetails</code> instance.
 *
 * @param aEvent a <code>LoggingEvent</code> value
 */
EventDetails(LoggingEvent aEvent) {

    this(aEvent.timeStamp,
         aEvent.getLevel(),
         aEvent.getLoggerName(),
         aEvent.getNDC(),
         aEvent.getThreadName(),
         aEvent.getRenderedMessage(),
         aEvent.getThrowableStrRep(),
         (aEvent.getLocationInformation() == null)
         ? null : aEvent.getLocationInformation().fullInfo);
}
 

@Override
public void doAppend(LoggingEvent event)
{
  assert (wrappedAppender != null);


  String msg = event.getMessage().toString();

  Matcher m = crlf.matcher(msg);
  if (m.find())
  {
    String lines[] = msg.split("\r\n|\n|\r"); //msg.split("\\r?\\n");

    for (String line : lines)
    {
      String clean = "(Encoded) " + line;

      LoggingEvent encoded = new LoggingEvent(event.getFQNOfLoggerClass(),
          event.getLogger(), event.getTimeStamp(), event.getLevel(), clean,
          event.getThreadName(), event.getThrowableInformation(), event.getNDC(),
          event.getLocationInformation(), event.getProperties());

      wrappedAppender.doAppend(encoded);
    }
  }
  else
  {
    wrappedAppender.doAppend(event);
  }

}
 

public String format(LoggingEvent event) {

		if (sbuf.capacity() > MAX_CAPACITY) {
			sbuf = new StringBuffer(BUF_SIZE);
		} else {
			sbuf.setLength(0);
		}

		sbuf.append(Layout.LINE_SEP + "<tr>" + Layout.LINE_SEP);

		sbuf.append("<td>");
		DateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss.SSS");
		sbuf.append(df.format(new Date()));
		sbuf.append("</td>" + Layout.LINE_SEP);

		/*
		 * String escapedThread = Transform.escapeTags(event.getThreadName());
		 * sbuf.append("<td title=\"" + escapedThread + " thread\">");
		 * sbuf.append(escapedThread); sbuf.append("</td>" + Layout.LINE_SEP);
		 */

		sbuf.append("<td title=\"Level\">");
		if (event.getLevel().equals(Level.DEBUG)) {
			sbuf.append("<font color=\"#339933\">");
			sbuf.append(Transform.escapeTags(String.valueOf(event.getLevel())));
			sbuf.append("</font>");
		} else if (event.getLevel().isGreaterOrEqual(Level.WARN)) {
			sbuf.append("<font color=\"#993300\"><strong>");
			sbuf.append(Transform.escapeTags(String.valueOf(event.getLevel())));
			sbuf.append("</strong></font>");
		} else {
			sbuf.append(Transform.escapeTags(String.valueOf(event.getLevel())));
		}
		sbuf.append("</td>" + Layout.LINE_SEP);

		String escapedLogger = Transform.escapeTags(event.getLoggerName());
		sbuf.append("<td title=\"" + escapedLogger + " category\">");
		sbuf.append(escapedLogger);
		sbuf.append("</td>" + Layout.LINE_SEP);

		if (locationInfo) {
			LocationInfo locInfo = event.getLocationInformation();
			sbuf.append("<td>");
			sbuf.append(Transform.escapeTags(locInfo.getFileName()));
			sbuf.append(':');
			sbuf.append(locInfo.getLineNumber());
			sbuf.append("</td>" + Layout.LINE_SEP);
		}

		sbuf.append("<td title=\"Message\">");

		if (event != null && event.getRenderedMessage() != null)
			sbuf.append(Transform.escapeTags(event.getRenderedMessage()).replace("\n", "<br/>"));
		sbuf.append("</td>" + Layout.LINE_SEP);
		sbuf.append("</tr>" + Layout.LINE_SEP);

		if (event.getNDC() != null) {
			sbuf.append(
					"<tr><td bgcolor=\"#EEEEEE\" style=\"font-size : xx-small;\" colspan=\"6\" title=\"Nested Diagnostic Context\">");
			sbuf.append("NDC: " + Transform.escapeTags(event.getNDC()));
			sbuf.append("</td></tr>" + Layout.LINE_SEP);
		}

		String[] s = event.getThrowableStrRep();
		if (s != null) {
			/*
			 * sbuf.append(
			 * "<tr><td bgcolor=\"#993300\" style=\"color:White; font-size : xx-small;\" colspan=\"6\">"
			 * );
			 */
			sbuf.append("<tr><td bgcolor=\"#993300\" style=\"color:White; font-size : xx-small;\" colspan=\"5\">");
			appendThrowableAsHTML(s, sbuf);
			sbuf.append("</td></tr>" + Layout.LINE_SEP);
		}

		return sbuf.toString();
	}
 

/**
 * {@inheritDoc}
 */
public void append(final LoggingEvent event) {
  //
  //   if dispatcher thread has died then
  //      append subsequent events synchronously
  //   See bug 23021
  if ((dispatcher == null) || !dispatcher.isAlive() || (bufferSize <= 0)) {
    synchronized (appenders) {
      appenders.appendLoopOnAppenders(event);
    }

    return;
  }

  // Set the NDC and thread name for the calling thread as these
  // LoggingEvent fields were not set at event creation time.
  event.getNDC();
  event.getThreadName();
  // Get a copy of this thread's MDC.
  event.getMDCCopy();
  if (locationInfo) {
    event.getLocationInformation();
  }

  synchronized (buffer) {
    while (true) {
      int previousSize = buffer.size();

      if (previousSize < bufferSize) {
        buffer.add(event);

        //
        //   if buffer had been empty
        //       signal all threads waiting on buffer
        //       to check their conditions.
        //
        if (previousSize == 0) {
          buffer.notifyAll();
        }

        break;
      }

      //
      //   Following code is only reachable if buffer is full
      //
      //
      //   if blocking and thread is not already interrupted
      //      and not the dispatcher then
      //      wait for a buffer notification
      boolean discard = true;
      if (blocking
              && !Thread.interrupted()
              && Thread.currentThread() != dispatcher) {
        try {
          buffer.wait();
          discard = false;
        } catch (InterruptedException e) {
          //
          //  reset interrupt status so
          //    calling code can see interrupt on
          //    their next wait or sleep.
          Thread.currentThread().interrupt();
        }
      }

      //
      //   if blocking is false or thread has been interrupted
      //   add event to discard map.
      //
      if (discard) {
        String loggerName = event.getLoggerName();
        DiscardSummary summary = (DiscardSummary) discardMap.get(loggerName);

        if (summary == null) {
          summary = new DiscardSummary(event);
          discardMap.put(loggerName, summary);
        } else {
          summary.add(event);
        }

        break;
      }
    }
  }
}
 

/**
 * Appends a <code>LoggingEvent</code> record to the
 * <code>LF5Appender</code>.
 * @param event The <code>LoggingEvent</code>
 * to be appended.
 */
public void append(LoggingEvent event) {
  // Retrieve the information from the log4j LoggingEvent.
  String category = event.getLoggerName();
  String logMessage = event.getRenderedMessage();
  String nestedDiagnosticContext = event.getNDC();
  String threadDescription = event.getThreadName();
  String level = event.getLevel().toString();
  long time = event.timeStamp;
  LocationInfo locationInfo = event.getLocationInformation();

  // Add the logging event information to a LogRecord
  Log4JLogRecord record = new Log4JLogRecord();

  record.setCategory(category);
  record.setMessage(logMessage);
  record.setLocation(locationInfo.fullInfo);
  record.setMillis(time);
  record.setThreadDescription(threadDescription);

  if (nestedDiagnosticContext != null) {
    record.setNDC(nestedDiagnosticContext);
  } else {
    record.setNDC("");
  }

  if (event.getThrowableInformation() != null) {
    record.setThrownStackTrace(event.getThrowableInformation());
  }

  try {
    record.setLevel(LogLevel.valueOf(level));
  } catch (LogLevelFormatException e) {
    // If the priority level doesn't match one of the predefined
    // log levels, then set the level to warning.
    record.setLevel(LogLevel.WARN);
  }

  if (_logMonitor != null) {
    _logMonitor.addMessage(record);
  }
}
 

public
String format(LoggingEvent event) {

  if(sbuf.capacity() > MAX_CAPACITY) {
    sbuf = new StringBuffer(BUF_SIZE);
  } else {
    sbuf.setLength(0);
  }

  sbuf.append(Layout.LINE_SEP + "<tr>" + Layout.LINE_SEP);

  sbuf.append("<td>");
  sbuf.append(event.timeStamp - LoggingEvent.getStartTime());
  sbuf.append("</td>" + Layout.LINE_SEP);

  String escapedThread = Transform.escapeTags(event.getThreadName());
  sbuf.append("<td title=\"" + escapedThread + " thread\">");
  sbuf.append(escapedThread);
  sbuf.append("</td>" + Layout.LINE_SEP);

  sbuf.append("<td title=\"Level\">");
  if (event.getLevel().equals(Level.DEBUG)) {
    sbuf.append("<font color=\"#339933\">");
    sbuf.append(Transform.escapeTags(String.valueOf(event.getLevel())));
    sbuf.append("</font>");
  }
  else if(event.getLevel().isGreaterOrEqual(Level.WARN)) {
    sbuf.append("<font color=\"#993300\"><strong>");
    sbuf.append(Transform.escapeTags(String.valueOf(event.getLevel())));
    sbuf.append("</strong></font>");
  } else {
    sbuf.append(Transform.escapeTags(String.valueOf(event.getLevel())));
  }
  sbuf.append("</td>" + Layout.LINE_SEP);

  String escapedLogger = Transform.escapeTags(event.getLoggerName());
  sbuf.append("<td title=\"" + escapedLogger + " category\">");
  sbuf.append(escapedLogger);
  sbuf.append("</td>" + Layout.LINE_SEP);

  if(locationInfo) {
    LocationInfo locInfo = event.getLocationInformation();
    sbuf.append("<td>");
    sbuf.append(Transform.escapeTags(locInfo.getFileName()));
    sbuf.append(':');
    sbuf.append(locInfo.getLineNumber());
    sbuf.append("</td>" + Layout.LINE_SEP);
  }

  sbuf.append("<td title=\"Message\">");
  sbuf.append(Transform.escapeTags(event.getRenderedMessage()));
  sbuf.append("</td>" + Layout.LINE_SEP);
  sbuf.append("</tr>" + Layout.LINE_SEP);

  if (event.getNDC() != null) {
    sbuf.append("<tr><td bgcolor=\"#EEEEEE\" style=\"font-size : xx-small;\" colspan=\"6\" title=\"Nested Diagnostic Context\">");
    sbuf.append("NDC: " + Transform.escapeTags(event.getNDC()));
    sbuf.append("</td></tr>" + Layout.LINE_SEP);
  }

  String[] s = event.getThrowableStrRep();
  if(s != null) {
    sbuf.append("<tr><td bgcolor=\"#993300\" style=\"color:White; font-size : xx-small;\" colspan=\"6\">");
    appendThrowableAsHTML(s, sbuf);
    sbuf.append("</td></tr>" + Layout.LINE_SEP);
  }

  return sbuf.toString();
}
 

private LoggingEvent subLog(LoggingEvent event) {
  return new LoggingEvent(event.getFQNOfLoggerClass(), event.getLogger(), event.getTimeStamp(),
      event.getLevel(), subAppend(event), event.getThreadName(), event.getThrowableInformation(),
      event.getNDC(), event.getLocationInformation(), event.getProperties());
}
 

/**
 * Encodes a LoggingEvent into a HashMap using the logstash JSON format.
 * 
 * @param loggingEvent
 *          The LoggingEvent to encode.
 * @param includeLocationInfo
 *          Whether to include LocationInfo in the map, or not.
 * @return A Map representing the LoggingEvent, which is suitable to be
 *         serialized by a JSON encoder such as Jackson.
 */
@SuppressWarnings("rawtypes")
public static Map<String, Object> encodeToMap(LoggingEvent loggingEvent, boolean includeLocationInfo) {
  Map<String, Object> logstashEvent = new LoggingEventMap();
  String threadName = loggingEvent.getThreadName();
  long timestamp = loggingEvent.getTimeStamp();
  HashMap<String, Object> exceptionInformation = new HashMap<String, Object>();
  Map mdc = loggingEvent.getProperties();
  String ndc = loggingEvent.getNDC();

  logstashEvent.put("@version", VERSION);
  logstashEvent.put("@timestamp", dateFormat(timestamp));
  logstashEvent.put("source_host", getHostname());
  logstashEvent.put("message", loggingEvent.getRenderedMessage());

  if (loggingEvent.getThrowableInformation() != null) {
    final ThrowableInformation throwableInformation = loggingEvent.getThrowableInformation();
    if (throwableInformation.getThrowable().getClass().getCanonicalName() != null) {
      exceptionInformation.put("exception_class", throwableInformation.getThrowable().getClass().getCanonicalName());
    }
    if (throwableInformation.getThrowable().getMessage() != null) {
      exceptionInformation.put("exception_message", throwableInformation.getThrowable().getMessage());
    }
    if (throwableInformation.getThrowableStrRep() != null) {
      StringBuilder stackTrace = new StringBuilder();
      for (String line : throwableInformation.getThrowableStrRep()) {
        stackTrace.append(line);
        stackTrace.append("\n");
      }
      exceptionInformation.put("stacktrace", stackTrace);
    }
    logstashEvent.put("exception", exceptionInformation);
  }

  if (includeLocationInfo) {
    LocationInfo info = loggingEvent.getLocationInformation();
    logstashEvent.put("file", info.getFileName());
    logstashEvent.put("line_number", info.getLineNumber());
    logstashEvent.put("class", info.getClassName());
    logstashEvent.put("method", info.getMethodName());
  }

  logstashEvent.put("logger_name", loggingEvent.getLoggerName());
  logstashEvent.put("mdc", mdc);
  logstashEvent.put("ndc", ndc);
  logstashEvent.put("level", loggingEvent.getLevel().toString());
  logstashEvent.put("thread_name", threadName);

  return logstashEvent;
}
 

public String format( LoggingEvent event ) {

    Level logLevel = event.getLevel();
    if ( sbuf.capacity() > MAX_CAPACITY ) {
      sbuf = new StringBuffer( BUF_SIZE );
    } else {
      sbuf.setLength( 0 );
    }

    if ( showTimeColumn() ) {
      DateFormat df = new SimpleDateFormat( "MM/dd/yyyy HH:mm:ss" );
      Date date = new Date();
      date.setTime( event.timeStamp );
      String time = null;
      try {
        time = df.format( date );
      } catch ( Exception ex ) {
        LogLog.error( "Error occured while converting date.", ex );
      }

      sbuf.append( Layout.LINE_SEP + "<tr>" + Layout.LINE_SEP );

      sbuf.append( "<td>" );
      sbuf.append( Transform.escapeTags( time ) );
      sbuf.append( "</td>" + Layout.LINE_SEP );
    }

    sbuf.append( "<td title=\"Purge File/Folder\">" );
    sbuf.append( Transform.escapeTags( MDC.get( PurgeUtilityLog.FILE_KEY ) ) );
    sbuf.append( "</td>" + Layout.LINE_SEP );

    if ( showLevelColumn() ) {
      sbuf.append( "<td title=\"Level\">" );
      if ( logLevel.equals( Level.DEBUG ) ) {
        sbuf.append( "<font color=\"#339933\">" );
        sbuf.append( Transform.escapeTags( String.valueOf( event.getLevel() ) ) );
        sbuf.append( "</font>" );
      } else if ( logLevel.isGreaterOrEqual( Level.WARN ) ) {
        sbuf.append( "<font color=\"#993300\"><strong>" );
        sbuf.append( Transform.escapeTags( String.valueOf( event.getLevel() ) ) );
        sbuf.append( "</strong></font>" );
      } else {
        sbuf.append( Transform.escapeTags( String.valueOf( event.getLevel() ) ) );
      }
      sbuf.append( "</td>" + Layout.LINE_SEP );
    }

    if ( showCodeLineColumn() ) {
      LocationInfo locInfo = event.getLocationInformation();
      sbuf.append( "<td>" );
      sbuf.append( Transform.escapeTags( MDC.get( PurgeUtilityLogger.CODE_LINE ) ) );
      // sbuf.append( Transform.escapeTags( locInfo.getFileName() ) );
      // sbuf.append( ':' );
      // sbuf.append( locInfo.getLineNumber() );
      sbuf.append( "</td>" + Layout.LINE_SEP );
    }

    sbuf.append( "<td title=\"Message\">" );
    sbuf.append( Transform.escapeTags( event.getRenderedMessage() ) );
    sbuf.append( "</td>" + Layout.LINE_SEP );
    sbuf.append( "</tr>" + Layout.LINE_SEP );

    if ( event.getNDC() != null ) {
      sbuf.append( "<tr><td bgcolor=\"#EEEEEE\" style=\"font-size : "
          + "xx-small;\" colspan=\"6\" title=\"Nested Diagnostic Context\">" );
      sbuf.append( "NDC: " + Transform.escapeTags( event.getNDC() ) );
      sbuf.append( "</td></tr>" + Layout.LINE_SEP );
    }

    String[] s = event.getThrowableStrRep();
    if ( s != null ) {
      sbuf.append( "<tr><td bgcolor=\"#993300\" style=\"color:White; font-size : xx-small;\" colspan=\"6\">" );
      appendThrowableAsHTML( s, sbuf );
      sbuf.append( "</td></tr>" + Layout.LINE_SEP );
    }

    return sbuf.toString();
  }