BaseCalendar
作者：互联网
BaseCalendar
package sun.util.calendar;
import java.util.TimeZone;
import sun.util.calendar.AbstractCalendar;
import sun.util.calendar.CalendarDate;
import sun.util.calendar.CalendarUtils;
import sun.util.calendar.BaseCalendar.Date;
public abstract class BaseCalendar extends AbstractCalendar {
public static final int JANUARY = 1;
public static final int FEBRUARY = 2;
public static final int MARCH = 3;
public static final int APRIL = 4;
public static final int MAY = 5;
public static final int JUNE = 6;
public static final int JULY = 7;
public static final int AUGUST = 8;
public static final int SEPTEMBER = 9;
public static final int OCTOBER = 10;
public static final int NOVEMBER = 11;
public static final int DECEMBER = 12;
public static final int SUNDAY = 1;
public static final int MONDAY = 2;
public static final int TUESDAY = 3;
public static final int WEDNESDAY = 4;
public static final int THURSDAY = 5;
public static final int FRIDAY = 6;
public static final int SATURDAY = 7;
private static final int BASE_YEAR = 1970;
private static final int[] FIXED_DATES = new int[]{719163, 719528, 719893, 720259, 720624, 720989, 721354, 721720,
722085, 722450, 722815, 723181, 723546, 723911, 724276, 724642, 725007, 725372, 725737, 726103, 726468,
726833, 727198, 727564, 727929, 728294, 728659, 729025, 729390, 729755, 730120, 730486, 730851, 731216,
731581, 731947, 732312, 732677, 733042, 733408, 733773, 734138, 734503, 734869, 735234, 735599, 735964,
736330, 736695, 737060, 737425, 737791, 738156, 738521, 738886, 739252, 739617, 739982, 740347, 740713,
741078, 741443, 741808, 742174, 742539, 742904, 743269, 743635, 744000, 744365};
static final int[] DAYS_IN_MONTH = new int[]{31, 31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
static final int[] ACCUMULATED_DAYS_IN_MONTH = new int[]{-30, 0, 31, 59, 90, 120, 151, 181, 212, 243, 273, 304,
334};
static final int[] ACCUMULATED_DAYS_IN_MONTH_LEAP = new int[]{-30, 0, 31, 60, 91, 121, 152, 182, 213, 244, 274, 305,
335};
public boolean validate(CalendarDate arg0) {
Date arg1 = (Date) arg0;
if (arg1.isNormalized()) {
return true;
} else {
int arg2 = arg1.getMonth();
if (arg2 >= 1 && arg2 <= 12) {
int arg3 = arg1.getDayOfMonth();
if (arg3 > 0 && arg3 <= this.getMonthLength(arg1.getNormalizedYear(), arg2)) {
int arg4 = arg1.getDayOfWeek();
if (arg4 != Integer.MIN_VALUE && arg4 != this.getDayOfWeek(arg1)) {
return false;
} else if (!this.validateTime(arg0)) {
return false;
} else {
arg1.setNormalized(true);
return true;
}
} else {
return false;
}
} else {
return false;
}
}
}
public boolean normalize(CalendarDate arg0) {
if (arg0.isNormalized()) {
return true;
} else {
Date arg1 = (Date) arg0;
TimeZone arg2 = arg1.getZone();
if (arg2 != null) {
this.getTime(arg0);
return true;
} else {
int arg3 = this.normalizeTime(arg1);
this.normalizeMonth(arg1);
long arg4 = (long) arg1.getDayOfMonth() + (long) arg3;
int arg6 = arg1.getMonth();
int arg7 = arg1.getNormalizedYear();
int arg8 = this.getMonthLength(arg7, arg6);
if (arg4 > 0L && arg4 <= (long) arg8) {
arg1.setDayOfWeek(this.getDayOfWeek(arg1));
} else if (arg4 <= 0L && arg4 > -28L) {
--arg6;
arg8 = this.getMonthLength(arg7, arg6);
arg4 += (long) arg8;
arg1.setDayOfMonth((int) arg4);
if (arg6 == 0) {
arg6 = 12;
arg1.setNormalizedYear(arg7 - 1);
}
arg1.setMonth(arg6);
} else if (arg4 > (long) arg8 && arg4 < (long) (arg8 + 28)) {
arg4 -= (long) arg8;
++arg6;
arg1.setDayOfMonth((int) arg4);
if (arg6 > 12) {
arg1.setNormalizedYear(arg7 + 1);
arg6 = 1;
}
arg1.setMonth(arg6);
} else {
long arg9 = arg4 + this.getFixedDate(arg7, arg6, 1, arg1) - 1L;
this.getCalendarDateFromFixedDate(arg1, arg9);
}
arg0.setLeapYear(this.isLeapYear(arg1.getNormalizedYear()));
arg0.setZoneOffset(0);
arg0.setDaylightSaving(0);
arg1.setNormalized(true);
return true;
}
}
}
void normalizeMonth(CalendarDate arg0) {
Date arg1 = (Date) arg0;
int arg2 = arg1.getNormalizedYear();
long arg3 = (long) arg1.getMonth();
if (arg3 <= 0L) {
long arg5 = 1L - arg3;
arg2 -= (int) (arg5 / 12L + 1L);
arg3 = 13L - arg5 % 12L;
arg1.setNormalizedYear(arg2);
arg1.setMonth((int) arg3);
} else if (arg3 > 12L) {
arg2 += (int) ((arg3 - 1L) / 12L);
arg3 = (arg3 - 1L) % 12L + 1L;
arg1.setNormalizedYear(arg2);
arg1.setMonth((int) arg3);
}
}
public int getYearLength(CalendarDate arg0) {
return this.isLeapYear(((Date) arg0).getNormalizedYear()) ? 366 : 365;
}
public int getYearLengthInMonths(CalendarDate arg0) {
return 12;
}
public int getMonthLength(CalendarDate arg0) {
Date arg1 = (Date) arg0;
int arg2 = arg1.getMonth();
if (arg2 >= 1 && arg2 <= 12) {
return this.getMonthLength(arg1.getNormalizedYear(), arg2);
} else {
throw new IllegalArgumentException("Illegal month value: " + arg2);
}
}
private int getMonthLength(int arg0, int arg1) {
int arg2 = DAYS_IN_MONTH[arg1];
if (arg1 == 2 && this.isLeapYear(arg0)) {
++arg2;
}
return arg2;
}
public long getDayOfYear(CalendarDate arg0) {
return this.getDayOfYear(((Date) arg0).getNormalizedYear(), arg0.getMonth(), arg0.getDayOfMonth());
}
final long getDayOfYear(int arg0, int arg1, int arg2) {
return (long) arg2 + (long) (this.isLeapYear(arg0)
? ACCUMULATED_DAYS_IN_MONTH_LEAP[arg1]
: ACCUMULATED_DAYS_IN_MONTH[arg1]);
}
public long getFixedDate(CalendarDate arg0) {
if (!arg0.isNormalized()) {
this.normalizeMonth(arg0);
}
return this.getFixedDate(((Date) arg0).getNormalizedYear(), arg0.getMonth(), arg0.getDayOfMonth(), (Date) arg0);
}
public long getFixedDate(int arg0, int arg1, int arg2, Date arg3) {
boolean arg4 = arg1 == 1 && arg2 == 1;
if (arg3 != null && arg3.hit(arg0)) {
return arg4 ? arg3.getCachedJan1() : arg3.getCachedJan1() + this.getDayOfYear(arg0, arg1, arg2) - 1L;
} else {
int arg5 = arg0 - 1970;
long arg6;
if (arg5 >= 0 && arg5 < FIXED_DATES.length) {
arg6 = (long) FIXED_DATES[arg5];
if (arg3 != null) {
arg3.setCache(arg0, arg6, this.isLeapYear(arg0) ? 366 : 365);
}
return arg4 ? arg6 : arg6 + this.getDayOfYear(arg0, arg1, arg2) - 1L;
} else {
arg6 = (long) arg0 - 1L;
long arg8 = (long) arg2;
if (arg6 >= 0L) {
arg8 += 365L * arg6 + arg6 / 4L - arg6 / 100L + arg6 / 400L + (long) ((367 * arg1 - 362) / 12);
} else {
arg8 += 365L * arg6 + CalendarUtils.floorDivide(arg6, 4L) - CalendarUtils.floorDivide(arg6, 100L)
+ CalendarUtils.floorDivide(arg6, 400L)
+ (long) CalendarUtils.floorDivide(367 * arg1 - 362, 12);
}
if (arg1 > 2) {
arg8 -= this.isLeapYear(arg0) ? 1L : 2L;
}
if (arg3 != null && arg4) {
arg3.setCache(arg0, arg8, this.isLeapYear(arg0) ? 366 : 365);
}
return arg8;
}
}
}
public void getCalendarDateFromFixedDate(CalendarDate arg0, long arg1) {
Date arg3 = (Date) arg0;
int arg4;
long arg5;
boolean arg7;
if (arg3.hit(arg1)) {
arg4 = arg3.getCachedYear();
arg5 = arg3.getCachedJan1();
arg7 = this.isLeapYear(arg4);
} else {
arg4 = this.getGregorianYearFromFixedDate(arg1);
arg5 = this.getFixedDate(arg4, 1, 1, (Date) null);
arg7 = this.isLeapYear(arg4);
arg3.setCache(arg4, arg5, arg7 ? 366 : 365);
}
int arg8 = (int) (arg1 - arg5);
long arg9 = arg5 + 31L + 28L;
if (arg7) {
++arg9;
}
if (arg1 >= arg9) {
arg8 += arg7 ? 1 : 2;
}
int arg11 = 12 * arg8 + 373;
if (arg11 > 0) {
arg11 /= 367;
} else {
arg11 = CalendarUtils.floorDivide(arg11, 367);
}
long arg12 = arg5 + (long) ACCUMULATED_DAYS_IN_MONTH[arg11];
if (arg7 && arg11 >= 3) {
++arg12;
}
int arg14 = (int) (arg1 - arg12) + 1;
int arg15 = getDayOfWeekFromFixedDate(arg1);
assert arg15 > 0 : "negative day of week " + arg15;
arg3.setNormalizedYear(arg4);
arg3.setMonth(arg11);
arg3.setDayOfMonth(arg14);
arg3.setDayOfWeek(arg15);
arg3.setLeapYear(arg7);
arg3.setNormalized(true);
}
public int getDayOfWeek(CalendarDate arg0) {
long arg1 = this.getFixedDate(arg0);
return getDayOfWeekFromFixedDate(arg1);
}
public static final int getDayOfWeekFromFixedDate(long arg) {
return arg >= 0L ? (int) (arg % 7L) + 1 : (int) CalendarUtils.mod(arg, 7L) + 1;
}
public int getYearFromFixedDate(long arg0) {
return this.getGregorianYearFromFixedDate(arg0);
}
final int getGregorianYearFromFixedDate(long arg0) {
long arg2;
int arg4;
int arg5;
int arg6;
int arg7;
int arg8;
int arg9;
int arg10;
int arg11;
if (arg0 > 0L) {
arg2 = arg0 - 1L;
arg8 = (int) (arg2 / 146097L);
arg4 = (int) (arg2 % 146097L);
arg9 = arg4 / '躬';
arg5 = arg4 % '躬';
arg10 = arg5 / 1461;
arg6 = arg5 % 1461;
arg11 = arg6 / 365;
arg7 = arg6 % 365 + 1;
} else {
arg2 = arg0 - 1L;
arg8 = (int) CalendarUtils.floorDivide(arg2, 146097L);
arg4 = (int) CalendarUtils.mod(arg2, 146097L);
arg9 = CalendarUtils.floorDivide(arg4, '躬');
arg5 = CalendarUtils.mod(arg4, '躬');
arg10 = CalendarUtils.floorDivide(arg5, 1461);
arg6 = CalendarUtils.mod(arg5, 1461);
arg11 = CalendarUtils.floorDivide(arg6, 365);
arg7 = CalendarUtils.mod(arg6, 365) + 1;
}
int arg12 = 400 * arg8 + 100 * arg9 + 4 * arg10 + arg11;
if (arg9 != 4 && arg11 != 4) {
++arg12;
}
return arg12;
}
protected boolean isLeapYear(CalendarDate arg0) {
return this.isLeapYear(((Date) arg0).getNormalizedYear());
}
boolean isLeapYear(int arg0) {
return CalendarUtils.isGregorianLeapYear(arg0);
}
}
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标签：int,arg1,arg6,final,arg0,BaseCalendar,public 来源： https://www.cnblogs.com/herd/p/16268451.html