public static Constellation getConstellation(Date date) {
if (date == null) return null;
int begin = 0, end = 11, mid = 5;
Calendar cal = Calendar.getInstance();
cal.setTime(date);
MonthDay x = MonthDay.of(cal.get(Calendar.MONTH) + 1, cal.get(Calendar.DAY_OF_MONTH));
int y = 11;
if (x.isAfter(dates[0])) {
while (end - begin > 1) {
if (x.isAfter(dates[mid])) {
end = mid;
} else {
begin = mid;
}
mid = (begin + end) / 2;
}
y = begin;
}
return constellation[y];
}
/** Created by yy on 11/8/15. */
public class ConstellationUtils {
private static final MonthDay[] dates =
new MonthDay[] {
MonthDay.of(1, 19),
MonthDay.of(2, 18),
MonthDay.of(3, 20),
MonthDay.of(4, 10),
MonthDay.of(5, 20),
MonthDay.of(6, 21),
MonthDay.of(7, 22),
MonthDay.of(8, 22),
MonthDay.of(9, 22),
MonthDay.of(10, 23),
MonthDay.of(11, 21),
MonthDay.of(12, 21)
};
public static Constellation[] constellation =
new Constellation[] {
Constellation.AQUARIUS,
Constellation.PISCES,
Constellation.ARIES,
Constellation.TAURUS,
Constellation.GEMINI,
Constellation.CANCER,
Constellation.LEO,
Constellation.VIRGO,
Constellation.LIBRA,
Constellation.SCORPIO,
Constellation.SAGITTARIUS,
Constellation.CAPRICORN
};
public static Constellation getConstellation(Date date) {
if (date == null) return null;
int begin = 0, end = 11, mid = 5;
Calendar cal = Calendar.getInstance();
cal.setTime(date);
MonthDay x = MonthDay.of(cal.get(Calendar.MONTH) + 1, cal.get(Calendar.DAY_OF_MONTH));
int y = 11;
if (x.isAfter(dates[0])) {
while (end - begin > 1) {
if (x.isAfter(dates[mid])) {
end = mid;
} else {
begin = mid;
}
mid = (begin + end) / 2;
}
y = begin;
}
return constellation[y];
}
}