final GelfMessage gelfMessage = new GelfMessage(shortMessage, message, logEvent.getLogTimestamp(),
logEvent.getSyslogLevel());
SimpleDateFormat dateFormat = new SimpleDateFormat(timestampPattern);
gelfMessage.addField(FIELD_TIME, dateFormat.format(new Date(logEvent.getLogTimestamp())));
gelfMessage.addField(FIELD_SEVERITY, logEvent.getLevelName());
gelfMessage.addField(FIELD_THREAD, logEvent.getThreadName());
gelfMessage.addField(FIELD_SOURCE_CLASS_NAME, logEvent.getSourceClassName());
String simpleClassName = logEvent.getSourceClassName();