in src/main/java/com/google/gcs/sdrs/util/StsUtil.java [418:426]
public static String timeOfDayToString(TimeOfDay timeOfDay) {
if (timeOfDay == null) {
return "00:00:00";
}
int hours = timeOfDay.getHours() != null ? timeOfDay.getHours() : 0;
int minutes = timeOfDay.getMinutes() != null ? timeOfDay.getMinutes() : 0;
int seconds = timeOfDay.getSeconds() != null ? timeOfDay.getSeconds() : 0;
return String.format("%02d:%02d:%02d", hours, minutes, seconds);
}