RosettaCodeData/Task/Discordian-date/Java/discordian-date.java

61 lines
2.2 KiB
Java

import java.util.Calendar;
import java.util.GregorianCalendar;
public class DiscordianDate {
final static String[] seasons = {"Chaos", "Discord", "Confusion",
"Bureaucracy", "The Aftermath"};
final static String[] weekday = {"Sweetmorn", "Boomtime", "Pungenday",
"Prickle-Prickle", "Setting Orange"};
final static String[] apostle = {"Mungday", "Mojoday", "Syaday",
"Zaraday", "Maladay"};
final static String[] holiday = {"Chaoflux", "Discoflux", "Confuflux",
"Bureflux", "Afflux"};
public static String discordianDate(final GregorianCalendar date) {
int y = date.get(Calendar.YEAR);
int yold = y + 1166;
int dayOfYear = date.get(Calendar.DAY_OF_YEAR);
if (date.isLeapYear(y)) {
if (dayOfYear == 60)
return "St. Tib's Day, in the YOLD " + yold;
else if (dayOfYear > 60)
dayOfYear--;
}
dayOfYear--;
int seasonDay = dayOfYear % 73 + 1;
if (seasonDay == 5)
return apostle[dayOfYear / 73] + ", in the YOLD " + yold;
if (seasonDay == 50)
return holiday[dayOfYear / 73] + ", in the YOLD " + yold;
String season = seasons[dayOfYear / 73];
String dayOfWeek = weekday[dayOfYear % 5];
return String.format("%s, day %s of %s in the YOLD %s",
dayOfWeek, seasonDay, season, yold);
}
public static void main(String[] args) {
System.out.println(discordianDate(new GregorianCalendar()));
test(2010, 6, 22, "Pungenday, day 57 of Confusion in the YOLD 3176");
test(2012, 1, 28, "Prickle-Prickle, day 59 of Chaos in the YOLD 3178");
test(2012, 1, 29, "St. Tib's Day, in the YOLD 3178");
test(2012, 2, 1, "Setting Orange, day 60 of Chaos in the YOLD 3178");
test(2010, 0, 5, "Mungday, in the YOLD 3176");
test(2011, 4, 3, "Discoflux, in the YOLD 3177");
test(2015, 9, 19, "Boomtime, day 73 of Bureaucracy in the YOLD 3181");
}
private static void test(int y, int m, int d, final String result) {
assert (discordianDate(new GregorianCalendar(y, m, d)).equals(result));
}
}