public String convert(ILoggingEvent event) {
        StringBuilder sb = new StringBuilder();

        int pri = facility + LevelToSyslogSeverity.convert(event);

        sb.append("<");
        sb.append(pri);
        sb.append(">");
        sb.append(computeTimeStampString(event.getTimeStamp()));
        sb.append(' ');
        sb.append(localHostName);
        sb.append(' ');

        return sb.toString();
    }
@Test
    public void multipleConversions() {
        LoggingEvent le = createLoggingEvent();
        calendar.set(2012, Calendar.OCTOBER, 11, 22, 14, 15);
        le.setTimeStamp(calendar.getTimeInMillis());
        assertEquals("<191>Oct 11 22:14:15 " + HOSTNAME + " ", converter.convert(le));
        assertEquals("<191>Oct 11 22:14:15 " + HOSTNAME + " ", converter.convert(le));

        calendar.set(2012, Calendar.OCTOBER, 11, 22, 14, 16);
        le.setTimeStamp(calendar.getTimeInMillis());
        assertEquals("<191>Oct 11 22:14:16 " + HOSTNAME + " ", converter.convert(le));
    }