이것이 올바른 해결책이라고 생각합니다.
/**
* Calculate elapsed time in milliseconds
*
* @param startTime
* @param endTime
* @return elapsed time in milliseconds
*/
protected long calculateElapsedTimeAux(long startTime, long endTime) {
CustomizedGregorianCalendar calStartTime = new CustomizedGregorianCalendar(this.getTimeZone());
CustomizedGregorianCalendar calEndTime = new CustomizedGregorianCalendar(this.getTimeZone());
calStartTime.setTimeInMillis(startTime);
calEndTime.setTimeInMillis(endTime);
long ticks = 0;
while (calStartTime.before(calEndTime)) { // iterate until reaching end
ticks = ticks + increaseElapsedTime(calStartTime, calEndTime);
}
return ticks;
}
private long increaseElapsedTime(CustomizedGregorianCalendar calStartTime, CustomizedGregorianCalendar calEndTime) {
long interval;
long ticks = 0;
interval = HOURS_PER_DAY*MINUTES_PER_HOUR*SECONDS_PER_MIN*MILLISECONDS_PER_SEC; // Interval of one day
if (calEndTime.getTimeInMillis() - calStartTime.getTimeInMillis() < interval) {
interval = calEndTime.getTimeInMillis() - calStartTime.getTimeInMillis();
}
ticks = increaseElapsedTimeAux(calStartTime, calEndTime, interval);
calStartTime.setTimeInMillis(calStartTime.getTimeInMillis() + interval);
return ticks;
}
protected long increaseElapsedTimeAux(CustomizedGregorianCalendar calStartTime, CustomizedGregorianCalendar calEndTime, long interval) {
long ticks = 0;
CustomizedGregorianCalendar calNextStartTime = new CustomizedGregorianCalendar(this.getTimeZone());
calNextStartTime.setTimeInMillis(calStartTime.getTimeInMillis() + interval);
if ((calStartTime.isWorkingDay(_nonWorkingDays) && calNextStartTime.isWorkingDay(_nonWorkingDays))) { // calStartTime and calNextStartTime are working days
ticks = interval;
}
else {
if (calStartTime.isWorkingDay(_nonWorkingDays)) { // calStartTime is a working day and calNextStartTime is a non-working day
ticks = (calStartTime.getNextDay().getTimeInMillis() - calStartTime.getTimeInMillis());
}
else {
if (calNextStartTime.isWorkingDay(_nonWorkingDays)) { // calStartTime is a non-working day and calNextStartTime is a working day
ticks = (calNextStartTime.getTimeInMillis() - calStartTime.getNextDay().getTimeInMillis());
}
else {} // calStartTime and calEndTime are non-working days
}
}
return ticks;
}
하루 24 시간이며 경과 시간 (1 근무일 기준 24 시간)을 계산합니다. 경과 된 타이머가 있지만 해당 기간 내 주말 및 공휴일 기간을 뺀 기간을 반환하고 싶습니다. –