Java Utililty Methods Calendar Add

List of utility methods to do Calendar Add

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Description

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

Method

voidappendEra(StringBuffer sb, Calendar cal)
append Era 
if (cal.get(Calendar.ERA) == GregorianCalendar.BC) {
    sb.append(" BC");
voidappendTime(Calendar value, StringBuffer dateString)
append Time 
if (value.get(Calendar.HOUR_OF_DAY) < 10) {
    dateString.append("0");
dateString.append(value.get(Calendar.HOUR_OF_DAY)).append(":");
if (value.get(Calendar.MINUTE) < 10) {
    dateString.append("0");
dateString.append(value.get(Calendar.MINUTE)).append(":");
...
voidappendTimeZone(Calendar calendar, StringBuffer dateString)
append Time Zone 
int timezoneOffSet = calendar.get(Calendar.ZONE_OFFSET) + calendar.get(Calendar.DST_OFFSET);
int timezoneOffSetInMinits = timezoneOffSet / 60000;
if (timezoneOffSetInMinits < 0) {
    dateString.append("-");
    timezoneOffSetInMinits = timezoneOffSetInMinits * -1;
} else {
    dateString.append("+");
int hours = timezoneOffSetInMinits / 60;
int minits = timezoneOffSetInMinits % 60;
if (hours < 10) {
    dateString.append("0");
dateString.append(hours).append(":");
if (minits < 10) {
    dateString.append("0");
dateString.append(minits);
CalendarcloneAndAdd(Calendar source, int field, int amount)
clone And Add 
Calendar r = (Calendar) source.clone();
r.add(field, amount);
return r;
CalendargetDayOfAddDay(final Calendar calendar, final int day)
get Day Of Add Day 
Calendar cln = Calendar.getInstance();
cln.setTimeInMillis(calendar.getTimeInMillis());
cln.add(Calendar.DAY_OF_MONTH, day);
return cln;
CalendargetStartDateForLogQuery(int calendarField, int amountToAdd)
get Start Date For Log Query 
Calendar startDate = Calendar.getInstance();
startDate.set(Calendar.HOUR_OF_DAY, 0);
startDate.set(Calendar.MINUTE, 0);
startDate.set(Calendar.SECOND, 0);
startDate.set(Calendar.MILLISECOND, 0);
startDate.add(calendarField, amountToAdd);
return startDate;
GregorianCalendargetWithDaysAdded(GregorianCalendar originalDate, int days)
Returns a new GregorianCalendar instance that is the specified value plus the specified number of days added. 
GregorianCalendar newDate = (GregorianCalendar) originalDate.clone();
newDate.add(Calendar.DAY_OF_MONTH, days);
return newDate;
voidmoveToCalendarSecondJustAdded(Calendar cal, int seconds)
move To Calendar Second Just Added 
addCalendarSecond(cal, seconds);
moveToCalendarSecondJust(cal);