code: private String format(final Date date) {
  		synchronized (formatter) {
  			if (lastDate == null || date.getTime() / divisor != lastDate.getTime() / divisor) {
  				lastDate = date;
  				lastFormat = formatter.format(date);
  			}
  			return lastFormat;
  		}
  	}
docs: Formats a legacy {@link Date}.
  
  @param date
  Date to format
  @return Formatted date