StringBuffer format()

in gshell/gshell-log/src/main/java/org/apache/servicemix/kernel/gshell/log/layout/AbsoluteTimeDateFormat.java [82:136]

• 38 lines of code
• 7 McCabe index (conditional complexity)

  StringBuffer format(Date date, StringBuffer sbuf,
		      FieldPosition fieldPosition) {

    long now = date.getTime();
    int millis = (int)(now % 1000);

    if ((now - millis) != previousTime) {
      // We reach this point at most once per second
      // across all threads instead of each time format()
      // is called. This saves considerable CPU time.

      calendar.setTime(date);

      int start = sbuf.length();

      int hour = calendar.get(Calendar.HOUR_OF_DAY);
      if(hour < 10) {
	sbuf.append('0');
      }
      sbuf.append(hour);
      sbuf.append(':');

      int mins = calendar.get(Calendar.MINUTE);
      if(mins < 10) {
	sbuf.append('0');
      }
      sbuf.append(mins);
      sbuf.append(':');

      int secs = calendar.get(Calendar.SECOND);
      if(secs < 10) {
	sbuf.append('0');
      }
      sbuf.append(secs);
      sbuf.append(',');

      // store the time string for next time to avoid recomputation
      sbuf.getChars(start, sbuf.length(), previousTimeWithoutMillis, 0);

      previousTime = now - millis;
    }
    else {
      sbuf.append(previousTimeWithoutMillis);
    }



    if(millis < 100)
      sbuf.append('0');
    if(millis < 10)
      sbuf.append('0');

    sbuf.append(millis);
    return sbuf;
  }