Android中是否有用于波斯（Shamsi或Jalali）日历的库或算法？

Android中是否有用于波斯（Shamsi或Jalali）日历的库或算法？

我使用这种算法已有多年，它在1901年到2099年之间非常准确。

使用它并享受！:)

public class Utilities {    private class SolarCalendar {        public String strWeekDay = "";        public String strMonth = "";        int date;        int month;        int year;        public SolarCalendar()        { Date MiladiDate = new Date(); calcSolarCalendar(MiladiDate);        }        public SolarCalendar(Date MiladiDate)        { calcSolarCalendar(MiladiDate);        }        private void calcSolarCalendar(Date MiladiDate) { int ld; int miladiYear = MiladiDate.getYear() + 1900; int miladiMonth = MiladiDate.getMonth() + 1; int miladiDate = MiladiDate.getDate(); int WeekDay = MiladiDate.getDay(); int[] buf1 = new int[12]; int[] buf2 = new int[12]; buf1[0] = 0; buf1[1] = 31; buf1[2] = 59; buf1[3] = 90; buf1[4] = 120; buf1[5] = 151; buf1[6] = 181; buf1[7] = 212; buf1[8] = 243; buf1[9] = 273; buf1[10] = 304; buf1[11] = 334; buf2[0] = 0; buf2[1] = 31; buf2[2] = 60; buf2[3] = 91; buf2[4] = 121; buf2[5] = 152; buf2[6] = 182; buf2[7] = 213; buf2[8] = 244; buf2[9] = 274; buf2[10] = 305; buf2[11] = 335; if ((miladiYear % 4) != 0) {     date = buf1[miladiMonth - 1] + miladiDate;     if (date > 79) {         date = date - 79;         if (date <= 186) {  switch (date % 31) {  case 0:      month = date / 31;      date = 31;      break;  default:      month = (date / 31) + 1;      date = (date % 31);      break;  }  year = miladiYear - 621;         } else {  date = date - 186;  switch (date % 30) {  case 0:      month = (date / 30) + 6;      date = 30;      break;  default:      month = (date / 30) + 7;      date = (date % 30);      break;  }  year = miladiYear - 621;         }     } else {         if ((miladiYear > 1996) && (miladiYear % 4) == 1) {  ld = 11;         } else {  ld = 10;         }         date = date + ld;         switch (date % 30) {         case 0:  month = (date / 30) + 9;  date = 30;  break;         default:  month = (date / 30) + 10;  date = (date % 30);  break;         }         year = miladiYear - 622;     } } else {     date = buf2[miladiMonth - 1] + miladiDate;     if (miladiYear >= 1996) {         ld = 79;     } else {         ld = 80;     }     if (date > ld) {         date = date - ld;         if (date <= 186) {  switch (date % 31) {  case 0:      month = (date / 31);      date = 31;      break;  default:      month = (date / 31) + 1;      date = (date % 31);      break;  }  year = miladiYear - 621;         } else {  date = date - 186;  switch (date % 30) {  case 0:      month = (date / 30) + 6;      date = 30;      break;  default:      month = (date / 30) + 7;      date = (date % 30);      break;  }  year = miladiYear - 621;         }     }     else {         date = date + 10;         switch (date % 30) {         case 0:  month = (date / 30) + 9;  date = 30;  break;         default:  month = (date / 30) + 10;  date = (date % 30);  break;         }         year = miladiYear - 622;     } } switch (month) { case 1:     strMonth = "فروردين";     break; case 2:     strMonth = "ارديبهشت";     break; case 3:     strMonth = "خرداد";     break; case 4:     strMonth = "تير";     break; case 5:     strMonth = "مرداد";     break; case 6:     strMonth = "شهريور";     break; case 7:     strMonth = "مهر";     break; case 8:     strMonth = "آبان";     break; case 9:     strMonth = "آذر";     break; case 10:     strMonth = "دي";     break; case 11:     strMonth = "بهمن";     break; case 12:     strMonth = "اسفند";     break; } switch (WeekDay) { case 0:     strWeekDay = "يکشنبه";     break; case 1:     strWeekDay = "دوشنبه";     break; case 2:     strWeekDay = "سه شنبه";     break; case 3:     strWeekDay = "چهارشنبه";     break; case 4:     strWeekDay = "پنج شنبه";     break; case 5:     strWeekDay = "جمعه";     break; case 6:     strWeekDay = "شنبه";     break; }        }    }    public static String getCurrentShamsidate() {        Locale loc = new Locale("en_US");        Utilities util = new Utilities();        SolarCalendar sc = util.new SolarCalendar();        return String.valueOf(sc.year) + "/" + String.format(loc, "%02d",     sc.month) + "/" + String.format(loc, "%02d", sc.date);    }}