با کمک این کلاس شما میتوانید از تقویم شمسی توی پروژه هاتون استفاده کنید یا تقویم میلادی یا قمری رو به شمسی و یا شمسی رو به میلادی یا قمری تبدیل کنید
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public class shamsi { private int day, month, year; private int jY, jM, jD; private int gY, gM, gD; private int leap, march; /** * Calculates the Julian Day number (JG2JD) from Gregorian or Julian * calendar dates. This integer number corresponds to the noon of the date * (i.e. 12 hours of Universal Time). The procedure was tested to be good * since 1 March, -100100 (of both the calendars) up to a few millions * (10**6) years into the future. The algorithm is based on D.A. Hatcher, * Q.Jl.R.Astron.Soc. 25(1984), 53-55 slightly modified by me (K.M. * Borkowski, Post.Astron. 25(1987), 275-279). * * @param year * int * @param month * int * @param day * int * @param J1G0 * to be set to 1 for Julian and to 0 for Gregorian calendar * @return Julian Day number */ private int JG2JD(int year, int month, int day, int J1G0) { int jd = (1461 * (year + 4800 + (month - 14) / 12)) / 4 + (367 * (month - 2 - 12 * ((month - 14) / 12))) / 12 - (3 * ((year + 4900 + (month - 14) / 12) / 100)) / 4 + day - 32075; if (J1G0 == 0) jd = jd - (year + 100100 + (month - 8) / 6) / 100 * 3 / 4 + 752; return jd; } /** * Calculates Gregorian and Julian calendar dates from the Julian Day number * (JD) for the period since JD=-34839655 (i.e. the year -100100 of both the * calendars) to some millions (10**6) years ahead of the present. The * algorithm is based on D.A. Hatcher, Q.Jl.R.Astron.Soc. 25(1984), 53-55 * slightly modified by me (K.M. Borkowski, Post.Astron. 25(1987), 275-279). * * @param JD * Julian day number as int * @param J1G0 * to be set to 1 for Julian and to 0 for Gregorian calendar */ private void JD2JG(int JD, int J1G0) { int i, j; j = 4 * JD + 139361631; if (J1G0 == 0) { j = j + (4 * JD + 183187720) / 146097 * 3 / 4 * 4 - 3908; } i = (j % 1461) / 4 * 5 + 308; gD = (i % 153) / 5 + 1; gM = ((i / 153) % 12) + 1; gY = j / 1461 - 100100 + (8 - gM) / 6; } /** * Converts the Julian Day number to a date in the Jalali calendar * * @param JDN * the Julian Day number */ private void JD2Jal(int JDN) { JD2JG(JDN, 0); jY = gY - 621; JalCal(jY); int JDN1F = JG2JD(gY, 3, march, 0); int k = JDN - JDN1F; if (k >= 0) { if (k <= 185) { jM = 1 + k / 31; jD = (k % 31) + 1; return; } else { k = k - 186; } } else { jY = jY - 1; k = k + 179; if (leap == 1) k = k + 1; } jM = 7 + k / 30; jD = (k % 30) + 1; } /** * Converts a date of the Jalali calendar to the Julian Day Number * * @param Jy * Jalali year as int * @param Jm * Jalali month as int * @param Jd * Jalali day as int * @return Julian day number */ private int Jal2JD(int jY, int jM, int jD) { JalCal(jY); int jd = JG2JD(gY, 3, march, 1) + (jM - 1) * 31 - jM / 7 * (jM - 7) + jD - 1; return jd; } /** * This procedure determines if the Jalali (Persian) year is leap (366-day * long) or is the common year (365 days), and finds the day in March * (Gregorian calendar) of the first day of the Jalali year (jY) * * @param jY * Jalali calendar year (-61 to 3177) */ private void JalCal(int jY) { march = 0; leap = 0; int[] breaks = { -61, 9, 38, 199, 426, 686, 756, 818, 1111, 1181, 1210, 1635, 2060, 2097, 2192, 2262, 2324, 2394, 2456, 3178 }; gY = jY + 621; int leapJ = -14; int jp = breaks[0]; int jump = 0; for (int j = 1; j <= 19; j++) { int jm = breaks[j]; jump = jm - jp; if (jY < jm) { int N = jY - jp; leapJ = leapJ + N / 33 * 8 + (N % 33 + 3) / 4; if ((jump % 33) == 4 && (jump - N) == 4) leapJ = leapJ + 1; int leapG = (gY / 4) - (gY / 100 + 1) * 3 / 4 - 150; march = 20 + leapJ - leapG; if ((jump - N) < 6) N = N - jump + (jump + 4) / 33 * 33; leap = ((((N + 1) % 33) - 1) % 4); if (leap == -1) leap = 4; break; } leapJ = leapJ + jump / 33 * 8 + (jump % 33) / 4; jp = jm; } } /** * Modified toString() method that represents date string * * @return Date as String */ @Override public String toString() { return String.format("%04d/%02d/%02d", getYear(), getMonth(), getDay()); } /** * Converts Gregorian date to Persian(Jalali) date * * @param year * int * @param month * int * @param day * int */ public void GregorianToPersian(int year, int month, int day) { int jd = JG2JD(year, month, day, 0); JD2Jal(jd); this.year = jY; this.month = jM; this.day = jD; } /** * Converts Persian(Jalali) date to Gregorian date * * @param year * int * @param month * int * @param day * int */ public void PersianToGregorian(int year, int month, int day) { int jd = Jal2JD(year, month, day); JD2JG(jd, 0); this.year = gY; this.month = gM; this.day = gD; } /** * Get manipulated day * * @return Day as int */ public int getDay() { return day; } /** * Get manipulated month * * @return Month as int */ public int getMonth() { return month; } /** * Get manipulated year * * @return Year as int */ public int getYear() { return year; } } |
