/** * get calendar by user setting (timezone, first day of week) * * @param calendarSetting * @return calendar object */ public static Calendar getCalendarInstanceBySetting(CalendarSetting calendarSetting) { Calendar calendar = GregorianCalendar.getInstance(); calendar.setLenient(false); calendar.setTimeZone(TimeZone.getTimeZone(calendarSetting.getTimeZone())); calendar.setFirstDayOfWeek(Integer.parseInt(calendarSetting.getWeekStartOn())); calendar.setMinimalDaysInFirstWeek(4); return calendar; }