Java Utililty Methods Calendar Time

List of utility methods to do Calendar Time

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Description

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

Method

DategetClientCurrentDate(final Calendar calendar, final TimeZone timeZone)
Get current date according to client's time zone. 
Calendar result = new GregorianCalendar(timeZone);
result.setTimeInMillis(calendar.getTimeInMillis() + timeZone.getOffset(calendar.getTimeInMillis())
        - TimeZone.getDefault().getOffset(calendar.getTimeInMillis()));
result.getTime();
return result.getTime();
StringgetCurrentTimeDecimal(Calendar cal)
get Current Time Decimal 
return String.format("%04d%02d%02d%02d%02d%02d.%03d", cal.get(Calendar.YEAR), cal.get(Calendar.MONTH) + 1,
        cal.get(Calendar.DAY_OF_MONTH), cal.get(Calendar.HOUR_OF_DAY), cal.get(Calendar.MINUTE),
        cal.get(Calendar.SECOND), cal.get(Calendar.MILLISECOND));
DategetCurrentTimeIfCalendareIsNull(Calendar testDate)
Returns the testDate if it has a value otherwise returns the current time. 
if (testDate == null) {
    return Calendar.getInstance().getTime();
} else {
    return testDate.getTime();
longgetCurrentTimeLongType(Calendar cal)
get Current Time Long Type 
String dateString = String.format("%04d%02d%02d%02d%02d%02d%03d", cal.get(Calendar.YEAR),
        cal.get(Calendar.MONTH) + 1, cal.get(Calendar.DAY_OF_MONTH), cal.get(Calendar.HOUR_OF_DAY),
        cal.get(Calendar.MINUTE), cal.get(Calendar.SECOND), cal.get(Calendar.MILLISECOND));
return Long.valueOf(dateString);
CalendargetCurrentTimeZoneCalendar(String timeZone)
Gets the current time zone calendar. 
Calendar calendar = Calendar.getInstance(TimeZone.getTimeZone(timeZone));
return calendar;
DategetDateTimeByDate(Date date, int calendarType, int qty)
get Date Time By Date 
Calendar now = Calendar.getInstance();
now.setTime(date);
now.set(calendarType, now.get(calendarType) + qty);
return now.getTime();
StringgetFullTimeToString(Calendar argCal)
Return [HH]h[mm]-[ss]-[ms] 
Calendar cal = argCal;
if (cal == null) {
    cal = new GregorianCalendar();
String date = getTimeToString(cal) + FULL_TIME_SEPARATOR;
if (cal.get(Calendar.SECOND) < 10) {
    date += "0";
date += cal.get(Calendar.SECOND) + FULL_TIME_SEPARATOR;
if (cal.get(Calendar.MILLISECOND) < 10) {
    date += "0";
if (cal.get(Calendar.MILLISECOND) < 100) {
    date += "0";
date += cal.get(Calendar.MILLISECOND);
return date;
longgetLocalTime(Calendar calendar)
Return the milliseconds passed since 1.1.1970 00:00:00.000 [TimeZone] 
return calendar.getTimeInMillis() + calendar.getTimeZone().getOffset(calendar.getTimeInMillis());
CalendargetMaxTimeCalendar(Calendar source)
get Max Time Calendar 
Calendar calendar = Calendar.getInstance();
calendar.set(source.get(Calendar.YEAR), source.get(Calendar.MONTH), source.get(Calendar.DAY_OF_MONTH), 23,
        59, 59);
return calendar;
longgetTime(Calendar c)
get Time 
return c.getTimeInMillis();