code: protected void createEventTimeStamp(RepositoryLogRecord record, StringBuilder buffer) {
  		if (null == record) {
  			throw new IllegalArgumentException("Record cannot be null");
  		}
  		if (null == buffer) {
  			throw new IllegalArgumentException("Buffer cannot be null");
  		}
  		// Create the time stamp
  		buffer.append('[');
  		Date eventDate = new Date(record.getMillis());
  		// set the dateFormat object to the desired timeZone. Allows log output
  		// to be presented in different time zones.
  		dateFormat.setTimeZone(timeZone); // set the format to
  		// the desired
  		// time zone.
  		buffer.append(dateFormat.format(eventDate));
  		buffer.append("] ");
  	}
docs: Generates the time stamp for the RepositoryLogRecord event. The resulting time stamp is formatted
  based on the formatter's locale and time zone.
  
  @param record of the event.
  @param buffer output buffer where converted timestamp is appended to.