Code sample for http://stackoverflow.com/questions/5877226/better-way-to-check-if-a-joda-time-interval-spans-exactly-1-calendar-week-accoun

JodaTimeWeekPeriodTest.java

/**
 * Code sample for http://stackoverflow.com/questions/5877226/better-way-to-check-if-a-joda-time-interval-spans-exactly-1-calendar-week-accoun
 * @author: matt b
 * @since: 5/4/11
 */
public class JodaTimeWeekPeriodTest {

    public static void main(String[] args) {

        DateTime start = new DateTime(2011, 5, 4, 0, 0, 0, 0);
        DateTime end = new DateTime(2011, 5, 11, 0, 0, 0, 0);
        testEquality(new Interval(start, end));

        //DST in US in 2011 started on March 13
        DateTime start2 = new DateTime(2011, 3, 12, 0, 0, 0, 0);
        DateTime end2 = new DateTime(2011, 3, 19, 0, 0, 0, 0);
        testEquality(new Interval(start2, end2));
    }

    private static void testEquality(Interval interval) {
        Period period = interval.toPeriod();

        System.out.printf("Interval %s equal to Weeks.ONE? %s\n", interval, period.equals(Weeks.ONE));
        System.out.printf("Interval %s equal to Period.weeks(1)? %s\n", interval,
                          period.equals(Period.weeks(1)));

        System.out.printf("Interval %s plus one hour equal to Period.weeks(1)? %s\n", interval,
                          period.plusHours(1).equals(Period.weeks(1)));
    }
}

/* Output:
 * 
 * Interval 2011-05-04T00:00:00.000/2011-05-11T00:00:00.000 equal to Weeks.ONE? false
 * Interval 2011-05-04T00:00:00.000/2011-05-11T00:00:00.000 equal to Period.weeks(1)? true
 * Interval 2011-05-04T00:00:00.000/2011-05-11T00:00:00.000 plus one hour equal to Period.weeks(1)? false
 * 
 * Interval 2011-03-12T00:00:00.000/2011-03-19T00:00:00.000 equal to Weeks.ONE? false
 * Interval 2011-03-12T00:00:00.000/2011-03-19T00:00:00.000 equal to Period.weeks(1)? true
 * Interval 2011-03-12T00:00:00.000/2011-03-19T00:00:00.000 plus one hour equal to Period.weeks(1)? false
 */