< prev index next >
src/share/classes/java/util/JapaneseImperialCalendar.java
Print this page
*** 1,7 ****
/*
! * Copyright (c) 2005, 2013, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
--- 1,7 ----
/*
! * Copyright (c) 2005, 2019, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
*** 48,57 ****
--- 48,58 ----
* 0 N/A N/A
* 1 Meiji 1868-01-01 midnight local time
* 2 Taisho 1912-07-30 midnight local time
* 3 Showa 1926-12-25 midnight local time
* 4 Heisei 1989-01-08 midnight local time
+ * 5 NewEra 2019-05-01 midnight local time
* ------------------------------------------------------
* </tt></pre>
*
* <p><code>ERA</code> value 0 specifies the years before Meiji and
* the Gregorian year values are used. Unlike {@link
*** 99,108 ****
--- 100,114 ----
/**
* The ERA constant designating the Heisei era.
*/
public static final int HEISEI = 4;
+ /**
+ * The ERA constant designating the NewEra era.
+ */
+ private static final int NEWERA = 5;
+
private static final int EPOCH_OFFSET = 719163; // Fixed date of January 1, 1970 (Gregorian)
private static final int EPOCH_YEAR = 1970;
// Useful millisecond constants. Although ONE_DAY and ONE_WEEK can fit
// into ints, they must be longs in order to prevent arithmetic overflow
*** 131,140 ****
--- 137,149 ----
private static final Era[] eras;
// Fixed date of the first date of each era.
private static final long[] sinceFixedDates;
+ // The current era
+ private static final int currentEra;
+
/*
* <pre>
* Greatest Least
* Field name Minimum Minimum Maximum Maximum
* ---------- ------- ------- ------- -------
*** 226,242 ****
--- 235,256 ----
sinceFixedDates = new long[length];
// eras[BEFORE_MEIJI] and sinceFixedDate[BEFORE_MEIJI] are the
// same as Gregorian.
int index = BEFORE_MEIJI;
+ int current = index;
sinceFixedDates[index] = gcal.getFixedDate(BEFORE_MEIJI_ERA.getSinceDate());
eras[index++] = BEFORE_MEIJI_ERA;
for (Era e : es) {
+ if(e.getSince(TimeZone.NO_TIMEZONE) < System.currentTimeMillis()) {
+ current = index;
+ }
CalendarDate d = e.getSinceDate();
sinceFixedDates[index] = gcal.getFixedDate(d);
eras[index++] = e;
}
+ currentEra = current;
LEAST_MAX_VALUES[ERA] = MAX_VALUES[ERA] = eras.length - 1;
// Calculate the least maximum year and least day of Year
// values. The following code assumes that there's at most one
*** 1711,1726 ****
if (d.isLeapYear()) {
--prevJan1;
}
} else if (transitionYear) {
if (jdate.getYear() == 1) {
! // As of Heisei (since Meiji) there's no case
// that there are multiple transitions in a
// year. Historically there was such
// case. There might be such case again in the
// future.
! if (era > HEISEI) {
CalendarDate pd = eras[era - 1].getSinceDate();
if (normalizedYear == pd.getYear()) {
d.setMonth(pd.getMonth()).setDayOfMonth(pd.getDayOfMonth());
}
} else {
--- 1725,1740 ----
if (d.isLeapYear()) {
--prevJan1;
}
} else if (transitionYear) {
if (jdate.getYear() == 1) {
! // As of NewEra (since Meiji) there's no case
// that there are multiple transitions in a
// year. Historically there was such
// case. There might be such case again in the
// future.
! if (era > NEWERA) {
CalendarDate pd = eras[era - 1].getSinceDate();
if (normalizedYear == pd.getYear()) {
d.setMonth(pd.getMonth()).setDayOfMonth(pd.getDayOfMonth());
}
} else {
*** 1851,1861 ****
if (isSet(ERA)) {
era = internalGet(ERA);
year = isSet(YEAR) ? internalGet(YEAR) : 1;
} else {
if (isSet(YEAR)) {
! era = eras.length - 1;
year = internalGet(YEAR);
} else {
// Equivalent to 1970 (Gregorian)
era = SHOWA;
year = 45;
--- 1865,1875 ----
if (isSet(ERA)) {
era = internalGet(ERA);
year = isSet(YEAR) ? internalGet(YEAR) : 1;
} else {
if (isSet(YEAR)) {
! era = currentEra;
year = internalGet(YEAR);
} else {
// Equivalent to 1970 (Gregorian)
era = SHOWA;
year = 45;
*** 2335,2345 ****
/**
* Returns the ERA. We need a special method for this because the
* default ERA is the current era, but a zero (unset) ERA means before Meiji.
*/
private int internalGetEra() {
! return isSet(ERA) ? internalGet(ERA) : eras.length - 1;
}
/**
* Updates internal state.
*/
--- 2349,2359 ----
/**
* Returns the ERA. We need a special method for this because the
* default ERA is the current era, but a zero (unset) ERA means before Meiji.
*/
private int internalGetEra() {
! return isSet(ERA) ? internalGet(ERA) : currentEra;
}
/**
* Updates internal state.
*/
< prev index next >