/**
* Changes input calendar by resetting time fields to 0.
*
* @param calendar the calendar to change; can't be null.
* @return the changed calendar.
*/
public static Calendar dateOnly(Calendar calendar) {
ArgumentAssert.isNotNull(calendar, "Calendar can't be null.");
calendar.set(Calendar.HOUR, calendar.getMinimum(Calendar.HOUR));
calendar.set(Calendar.MINUTE, calendar.getMinimum(Calendar.MINUTE));
calendar.set(Calendar.SECOND, calendar.getMinimum(Calendar.SECOND));
calendar.set(Calendar.MILLISECOND, calendar.getMinimum(Calendar.MILLISECOND));
return calendar;
}
/**
* Checks whether date is within range. Range can't be opened, ie from or to can be null, but not
* both.
*
* @param date the date to check whether within range; can't be null.
* @param from the range from date.
* @param to the range to value.
* @return <code>true</code> if date is within range, otherwise <code>false</code>.
*/
public static boolean isWithinRange(Date date, Date from, Date to) {
ArgumentAssert.isNotNull(date, "Date is required.");
ArgumentAssert.isTrue(from != null || to != null, "Either From or To date is required.");
return (from == null || date.after(from)) && (to == null || date.before(to));
}