ERA_FULL_NAMES = new HashMap<>();
+ /**
+ * Fallback language for the era names.
+ */
+ private static final String FALLBACK_LANGUAGE = "en";
+ /**
+ * Language that has the era names.
+ */
+ private static final String TARGET_LANGUAGE = "th";
+ /**
+ * Name data.
+ */
+ static {
+ ERA_NARROW_NAMES.put(FALLBACK_LANGUAGE, new String[]{"BB", "BE"});
+ ERA_NARROW_NAMES.put(TARGET_LANGUAGE, new String[]{"BB", "BE"});
+ ERA_SHORT_NAMES.put(FALLBACK_LANGUAGE, new String[]{"B.B.", "B.E."});
+ ERA_SHORT_NAMES.put(TARGET_LANGUAGE,
+ new String[]{"\u0e1e.\u0e28.",
+ "\u0e1b\u0e35\u0e01\u0e48\u0e2d\u0e19\u0e04\u0e23\u0e34\u0e2a\u0e15\u0e4c\u0e01\u0e32\u0e25\u0e17\u0e35\u0e48"});
+ ERA_FULL_NAMES.put(FALLBACK_LANGUAGE, new String[]{"Before Buddhist", "Budhhist Era"});
+ ERA_FULL_NAMES.put(TARGET_LANGUAGE,
+ new String[]{"\u0e1e\u0e38\u0e17\u0e18\u0e28\u0e31\u0e01\u0e23\u0e32\u0e0a",
+ "\u0e1b\u0e35\u0e01\u0e48\u0e2d\u0e19\u0e04\u0e23\u0e34\u0e2a\u0e15\u0e4c\u0e01\u0e32\u0e25\u0e17\u0e35\u0e48"});
+ }
+
+ /**
+ * Restricted constructor.
+ */
+ private ThaiBuddhistChrono() {
+ }
+
+ /**
+ * Resolve singleton.
+ *
+ * @return the singleton instance, not null
+ */
+ private Object readResolve() {
+ return INSTANCE;
+ }
+
+ //-----------------------------------------------------------------------
+ /**
+ * Gets the ID of the chronology - 'ThaiBuddhist'.
+ *
+ * The ID uniquely identifies the {@code Chrono}.
+ * It can be used to lookup the {@code Chrono} using {@link #of(String)}.
+ *
+ * @return the chronology ID - 'ThaiBuddhist'
+ * @see #getCalendarType()
+ */
+ @Override
+ public String getId() {
+ return "ThaiBuddhist";
+ }
+
+ /**
+ * Gets the calendar type of the underlying calendar system - 'buddhist'.
+ *
+ * The calendar type is an identifier defined by the
+ * Unicode Locale Data Markup Language (LDML) specification.
+ * It can be used to lookup the {@code Chrono} using {@link #of(String)}.
+ * It can also be used as part of a locale, accessible via
+ * {@link Locale#getUnicodeLocaleType(String)} with the key 'ca'.
+ *
+ * @return the calendar system type - 'buddhist'
+ * @see #getId()
+ */
+ @Override
+ public String getCalendarType() {
+ return "buddhist";
+ }
+
+ //-----------------------------------------------------------------------
+ @Override
+ public ChronoLocalDate date(int prolepticYear, int month, int dayOfMonth) {
+ return new ThaiBuddhistDate(LocalDate.of(prolepticYear - YEARS_DIFFERENCE, month, dayOfMonth));
+ }
+
+ @Override
+ public ChronoLocalDate dateYearDay(int prolepticYear, int dayOfYear) {
+ return new ThaiBuddhistDate(LocalDate.ofYearDay(prolepticYear - YEARS_DIFFERENCE, dayOfYear));
+ }
+
+ @Override
+ public ChronoLocalDate date(TemporalAccessor temporal) {
+ if (temporal instanceof ThaiBuddhistDate) {
+ return (ThaiBuddhistDate) temporal;
+ }
+ return new ThaiBuddhistDate(LocalDate.from(temporal));
+ }
+
+ //-----------------------------------------------------------------------
+ /**
+ * Checks if the specified year is a leap year.
+ *
+ * Thai Buddhist leap years occur exactly in line with ISO leap years.
+ * This method does not validate the year passed in, and only has a
+ * well-defined result for years in the supported range.
+ *
+ * @param prolepticYear the proleptic-year to check, not validated for range
+ * @return true if the year is a leap year
+ */
+ @Override
+ public boolean isLeapYear(long prolepticYear) {
+ return ISOChrono.INSTANCE.isLeapYear(prolepticYear - YEARS_DIFFERENCE);
+ }
+
+ @Override
+ public int prolepticYear(Era era, int yearOfEra) {
+ if (era instanceof ThaiBuddhistEra == false) {
+ throw new DateTimeException("Era must be BuddhistEra");
+ }
+ return (era == ThaiBuddhistEra.BE ? yearOfEra : 1 - yearOfEra);
+ }
+
+ @Override
+ public Era eraOf(int eraValue) {
+ return ThaiBuddhistEra.of(eraValue);
+ }
+
+ @Override
+ public List> eras() {
+ return Arrays.>asList(ThaiBuddhistEra.values());
+ }
+
+ //-----------------------------------------------------------------------
+ @Override
+ public ValueRange range(ChronoField field) {
+ switch (field) {
+ case YEAR_OF_ERA: {
+ ValueRange range = YEAR.range();
+ return ValueRange.of(1, -(range.getMinimum() + YEARS_DIFFERENCE) + 1, range.getMaximum() + YEARS_DIFFERENCE);
+ }
+ case YEAR: {
+ ValueRange range = YEAR.range();
+ return ValueRange.of(range.getMinimum() + YEARS_DIFFERENCE, range.getMaximum() + YEARS_DIFFERENCE);
+ }
+ }
+ return field.range();
+ }
+
+}