Java Utililty Methods Day of Work

List of utility methods to do Day of Work

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Description

The list of methods to do Day of Work are organized into topic(s).

Method

DateaddWorkdays(Date date, int workdayOffset)
Die Anzahl Arbeitstage (d.h. 
final Calendar cal = getCalendarInstance();
cal.setTime(date);
ensureWorkday(cal);
for (int countdown = workdayOffset; countdown > 0; countdown--) {
    cal.add(Calendar.DAY_OF_YEAR, 1);
    ensureWorkday(cal);
final Date result = cal.getTime();
...
DateaddWorkingDays(Date start, int workingDays)
Takes a start date and adds the specified number of working days to it. 
if (workingDays < 0) {
    throw new IllegalArgumentException("Subtracting of working days is currently not supported.");
} else if (workingDays == 0) {
    return start;
} else {
    final GregorianCalendar cal = new GregorianCalendar();
    cal.setTime(start);
    final int startDay = cal.get(Calendar.DAY_OF_WEEK);
...
intgetRemainingWorkingMonth(Date taxdate)
get Remaining Working Month 
Calendar calendar = Calendar.getInstance();
calendar.setTime(taxdate);
int month = calendar.get(Calendar.MONTH) + 1;
return 12 - month;
intgetWorkDay(Date d1, Date d2, int[] freeDays)
get Work Day 
int dNum = 0;
dNum = (int) ((d2.getTime() - d1.getTime()) / 1000 / 60 / 60 / 24) + 1;
return dNum - getFreeDay(d1, dNum, freeDays);
booleanisWorkDay(Date data)
is Work Day 
int theDay = getCalendar(data).get(Calendar.DAY_OF_WEEK);
return theDay != Calendar.SUNDAY && theDay != Calendar.SATURDAY;
booleanisWorkDay(Date date)
is Work Day 
if (date == null) {
    throw new IllegalArgumentException("date is null.");
boolean ret = true;
Calendar cal = Calendar.getInstance();
cal.setTime(date);
int dayOfWeek = cal.get(Calendar.DAY_OF_WEEK);
if (dayOfWeek == Calendar.SATURDAY || dayOfWeek == Calendar.SUNDAY) {
...
booleanisWorkday(Date date)
is Workday 
Calendar cal = Calendar.getInstance();
if (date != null) {
    cal.setTime(date);
int dayOfWeek = cal.get(Calendar.DAY_OF_WEEK);
return !(dayOfWeek == Calendar.SATURDAY || dayOfWeek == Calendar.SUNDAY);
booleanisWorking(final Date date)
is Working 
final int hourOfDay = getHourOfDay(date);
if (hourOfDay > 8 && hourOfDay < 19) {
    return true;
return false;