protected void nextIntervalDate(Calendar c, DateIntervalType intervalType, int intervals) {
if (MILLENIUM.equals(intervalType)) {
c.add(Calendar.YEAR, 1000 * intervals);
} else if (CENTURY.equals(intervalType)) {
c.add(Calendar.YEAR, 100 * intervals);
} else if (DECADE.equals(intervalType)) {
c.add(Calendar.YEAR, 10 * intervals);
} else if (YEAR.equals(intervalType)) {
c.add(Calendar.YEAR, intervals);
} else if (QUARTER.equals(intervalType)) {
c.add(Calendar.MONTH, 3 * intervals);
} else if (MONTH.equals(intervalType)) {
c.add(Calendar.MONTH, intervals);
} else if (WEEK.equals(intervalType)) {
c.add(Calendar.DAY_OF_MONTH, 7 * intervals);
} else if (DAY.equals(intervalType) || DAY_OF_WEEK.equals(intervalType)) {
c.add(Calendar.DAY_OF_MONTH, intervals);
} else if (HOUR.equals(intervalType)) {
c.add(Calendar.HOUR_OF_DAY, intervals);
} else if (MINUTE.equals(intervalType)) {
c.add(Calendar.MINUTE, intervals);
} else if (SECOND.equals(intervalType)) {
c.add(Calendar.SECOND, intervals);
} else {
// Default to year to avoid infinite loops
c.add(Calendar.YEAR, intervals);
}
}
public static String calculateName(DateIntervalType intervalType, Date d) {
if (d == null) return null;
Locale l = Locale.getDefault();
if (MILLENIUM.equals(intervalType)
|| CENTURY.equals(intervalType)
|| DECADE.equals(intervalType)
|| YEAR.equals(intervalType)) {
SimpleDateFormat format = new SimpleDateFormat("yyyy", l);
return format.format(d);
}
if (QUARTER.equals(intervalType) || MONTH.equals(intervalType)) {
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM", l);
return format.format(d);
}
if (WEEK.equals(intervalType) || DAY.equals(intervalType) || DAY_OF_WEEK.equals(intervalType)) {
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd");
return format.format(d);
}
if (HOUR.equals(intervalType)) {
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH");
return format.format(d);
}
if (MINUTE.equals(intervalType)) {
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm");
return format.format(d);
}
if (SECOND.equals(intervalType)) {
SimpleDateFormat format = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
return format.format(d);
}
return format.format(d);
}
protected Calendar firstIntervalDate(
DateIntervalType intervalType, Date minDate, ColumnGroup columnGroup) {
Calendar c = GregorianCalendar.getInstance();
c.setLenient(false);
c.setTime(minDate);
if (YEAR.equals(intervalType)) {
c.set(Calendar.MONTH, 0);
c.set(Calendar.DAY_OF_MONTH, 1);
c.set(Calendar.HOUR, 0);
c.set(Calendar.MINUTE, 0);
c.set(Calendar.SECOND, 0);
c.set(Calendar.MILLISECOND, 0);
}
if (QUARTER.equals(intervalType)) {
int currentMonth = c.get(Calendar.MONTH);
int firstMonthYear = columnGroup.getFirstMonthOfYear().getIndex();
int rest = Quarter.getPositionInQuarter(firstMonthYear, currentMonth + 1);
c.add(Calendar.MONTH, rest * -1);
c.set(Calendar.DAY_OF_MONTH, 1);
c.set(Calendar.HOUR, 0);
c.set(Calendar.MINUTE, 0);
c.set(Calendar.SECOND, 0);
c.set(Calendar.MILLISECOND, 0);
}
if (MONTH.equals(intervalType)) {
c.set(Calendar.DAY_OF_MONTH, 1);
c.set(Calendar.HOUR, 0);
c.set(Calendar.MINUTE, 0);
c.set(Calendar.SECOND, 0);
c.set(Calendar.MILLISECOND, 0);
}
if (DAY.equals(intervalType) || DAY_OF_WEEK.equals(intervalType) || WEEK.equals(intervalType)) {
c.set(Calendar.HOUR, 0);
c.set(Calendar.MINUTE, 0);
c.set(Calendar.SECOND, 0);
c.set(Calendar.MILLISECOND, 0);
}
if (HOUR.equals(intervalType)) {
c.set(Calendar.MINUTE, 0);
c.set(Calendar.SECOND, 0);
c.set(Calendar.MILLISECOND, 0);
}
if (MINUTE.equals(intervalType)) {
c.set(Calendar.SECOND, 0);
c.set(Calendar.MILLISECOND, 0);
}
if (SECOND.equals(intervalType)) {
c.set(Calendar.MILLISECOND, 0);
}
return c;
}