Java Utililty Methods Calendar Week

List of utility methods to do Calendar Week

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Description

The list of methods to do Calendar Week are organized into topic(s).

Method

StringgetWeekDay(Calendar cal)
get Week Day 
int Day_No = cal.get(Calendar.DAY_OF_WEEK);
String WeekDay = "Sunday";
switch (Day_No) {
case Calendar.SUNDAY: {
    WeekDay = "Sun";
    break;
case Calendar.MONDAY: {
...
intgetWeekdayPosition(Calendar jCalendar)
get Weekday Position 
int weekOfMonth = jCalendar.get(Calendar.WEEK_OF_MONTH);
Calendar firstDayJCalendar = (Calendar) jCalendar.clone();
firstDayJCalendar.set(Calendar.DAY_OF_MONTH, 1);
if (firstDayJCalendar.get(Calendar.DAY_OF_WEEK) > jCalendar.get(Calendar.DAY_OF_WEEK)) {
    return weekOfMonth - 1;
return weekOfMonth;
CalendargetWeekEnd(boolean startSunday, Calendar date)
Returns a date corresponding to the last day of the week. 
if (date == null) {
    date = new GregorianCalendar();
Calendar end = getWeekStart(startSunday, date);
end.add(Calendar.DAY_OF_MONTH, 6);
end.setTime(getDayEnd(end.getTime()));
return end;
intgetWeekOfCurrentDayWithoutStartShift(Calendar cal)
get Week Of Current Day Without Start Shift 
int eventStartDay = cal.get(Calendar.DAY_OF_MONTH);
int eventWeekOfMonth = cal.get(Calendar.WEEK_OF_MONTH);
int eventRealWeekOfMonth = getRealWeekOfDay(eventStartDay);
return adjustWeekOfMonth(eventWeekOfMonth, eventRealWeekOfMonth);
CalendargetWeekStart(boolean startSunday, Calendar date)
Returns a date corresponding to the first day of the week. 
Calendar start = new GregorianCalendar();
if (date != null) {
    start.setTime(date.getTime());
int current_dow = start.get(Calendar.DAY_OF_WEEK);
start.add(Calendar.DAY_OF_MONTH, -current_dow);
start.add(Calendar.DAY_OF_MONTH, startSunday ? Calendar.SUNDAY : Calendar.MONDAY);
start.setTime(getDayStart(start.getTime()));
...
booleanisThisWeek(Calendar time)
is This Week 
if (time != null) {
    Calendar weekStart = getCalendar();
    snapStartOfWorkWeek(weekStart);
    Calendar weekEnd = getCalendar();
    snapEndOfWeek(weekEnd);
    return (time.compareTo(weekStart) >= 0 && time.compareTo(weekEnd) <= 0);
return false;
...
booleanisWeekday(Calendar cal)
is Weekday 
int dayOfWeek = cal.get(Calendar.DAY_OF_WEEK);
return !(dayOfWeek < Calendar.MONDAY || dayOfWeek > Calendar.FRIDAY);
booleanisWeekEnd(Calendar c)
is Week End 
int day = c.get(Calendar.DAY_OF_WEEK);
if (day == Calendar.SUNDAY || day == Calendar.SATURDAY) {
    return true;
return false;
booleanisWeekend(Calendar cal)
Gets the weekend attribute of the DateUtils class 
return (cal.get(Calendar.DAY_OF_WEEK) == Calendar.SATURDAY
        || cal.get(Calendar.DAY_OF_WEEK) == Calendar.SUNDAY);
booleanisWeekend(GregorianCalendar date)
is Weekend 
return isSaturday(date) || isSunday(date);