--- a/jdk/src/share/classes/java/time/calendar/JapaneseChrono.java Tue Feb 12 16:02:14 2013 +0400
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,321 +0,0 @@
-/*
- * Copyright (c) 2012, 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
- * particular file as subject to the "Classpath" exception as provided
- * by Oracle in the LICENSE file that accompanied this code.
- *
- * This code is distributed in the hope that it will be useful, but WITHOUT
- * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
- * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
- * version 2 for more details (a copy is included in the LICENSE file that
- * accompanied this code).
- *
- * You should have received a copy of the GNU General Public License version
- * 2 along with this work; if not, write to the Free Software Foundation,
- * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
- *
- * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- */
-
-/*
- * Copyright (c) 2012, Stephen Colebourne & Michael Nascimento Santos
- *
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * * Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- *
- * * Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- *
- * * Neither the name of JSR-310 nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
- * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
- * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
- * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
- * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
- * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
- * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
- * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
- * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
- * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-package java.time.calendar;
-
-import java.io.Serializable;
-import java.time.DateTimeException;
-import java.time.LocalDate;
-import java.time.temporal.Chrono;
-import java.time.temporal.ChronoField;
-import java.time.temporal.ChronoLocalDate;
-import java.time.temporal.Era;
-import java.time.temporal.ISOChrono;
-import java.time.temporal.TemporalAccessor;
-import java.time.temporal.ValueRange;
-import java.time.temporal.Year;
-import java.util.Arrays;
-import java.util.Calendar;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Locale;
-import java.util.Map;
-
-import sun.util.calendar.CalendarSystem;
-import sun.util.calendar.LocalGregorianCalendar;
-
-/**
- * The Japanese Imperial calendar system.
- * <p>
- * This chronology defines the rules of the Japanese Imperial calendar system.
- * This calendar system is primarily used in Japan.
- * The Japanese Imperial calendar system is the same as the ISO calendar system
- * apart from the era-based year numbering.
- * <p>
- * Only Meiji (1865-04-07 - 1868-09-07) and later eras are supported.
- * Older eras are handled as an unknown era where the year-of-era is the ISO year.
- *
- * <h3>Specification for implementors</h3>
- * This class is immutable and thread-safe.
- *
- * @since 1.8
- */
-public final class JapaneseChrono extends Chrono<JapaneseChrono> implements Serializable {
- // TODO: definition for unknown era may break requirement that year-of-era >= 1
-
- static final LocalGregorianCalendar JCAL =
- (LocalGregorianCalendar) CalendarSystem.forName("japanese");
-
- // Locale for creating a JapaneseImpericalCalendar.
- static final Locale LOCALE = Locale.forLanguageTag("ja-JP-u-ca-japanese");
-
- /**
- * Singleton instance for Japanese chronology.
- */
- public static final JapaneseChrono INSTANCE = new JapaneseChrono();
-
- /**
- * The singleton instance for the before Meiji era ( - 1868-09-07)
- * which has the value -999.
- */
- public static final Era<JapaneseChrono> ERA_SEIREKI = JapaneseEra.SEIREKI;
- /**
- * The singleton instance for the Meiji era (1868-09-08 - 1912-07-29)
- * which has the value -1.
- */
- public static final Era<JapaneseChrono> ERA_MEIJI = JapaneseEra.MEIJI;
- /**
- * The singleton instance for the Taisho era (1912-07-30 - 1926-12-24)
- * which has the value 0.
- */
- public static final Era<JapaneseChrono> ERA_TAISHO = JapaneseEra.TAISHO;
- /**
- * The singleton instance for the Showa era (1926-12-25 - 1989-01-07)
- * which has the value 1.
- */
- public static final Era<JapaneseChrono> ERA_SHOWA = JapaneseEra.SHOWA;
- /**
- * The singleton instance for the Heisei era (1989-01-08 - current)
- * which has the value 2.
- */
- public static final Era<JapaneseChrono> ERA_HEISEI = JapaneseEra.HEISEI;
- /**
- * Serialization version.
- */
- private static final long serialVersionUID = 459996390165777884L;
-
- //-----------------------------------------------------------------------
- /**
- * Restricted constructor.
- */
- private JapaneseChrono() {
- }
-
- /**
- * Resolve singleton.
- *
- * @return the singleton instance, not null
- */
- private Object readResolve() {
- return INSTANCE;
- }
-
- //-----------------------------------------------------------------------
- /**
- * Gets the ID of the chronology - 'Japanese'.
- * <p>
- * The ID uniquely identifies the {@code Chrono}.
- * It can be used to lookup the {@code Chrono} using {@link #of(String)}.
- *
- * @return the chronology ID - 'Japanese'
- * @see #getCalendarType()
- */
- @Override
- public String getId() {
- return "Japanese";
- }
-
- /**
- * Gets the calendar type of the underlying calendar system - 'japanese'.
- * <p>
- * The calendar type is an identifier defined by the
- * <em>Unicode Locale Data Markup Language (LDML)</em> 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 - 'japanese'
- * @see #getId()
- */
- @Override
- public String getCalendarType() {
- return "japanese";
- }
-
- //-----------------------------------------------------------------------
- @Override
- public ChronoLocalDate<JapaneseChrono> date(Era<JapaneseChrono> era, int yearOfEra, int month, int dayOfMonth) {
- if (era instanceof JapaneseEra == false) {
- throw new DateTimeException("Era must be JapaneseEra");
- }
- return JapaneseDate.of((JapaneseEra) era, yearOfEra, month, dayOfMonth);
- }
-
- @Override
- public ChronoLocalDate<JapaneseChrono> date(int prolepticYear, int month, int dayOfMonth) {
- return new JapaneseDate(LocalDate.of(prolepticYear, month, dayOfMonth));
- }
-
- @Override
- public ChronoLocalDate<JapaneseChrono> dateYearDay(int prolepticYear, int dayOfYear) {
- LocalDate date = LocalDate.ofYearDay(prolepticYear, dayOfYear);
- return date(prolepticYear, date.getMonthValue(), date.getDayOfMonth());
- }
-
- @Override
- public ChronoLocalDate<JapaneseChrono> date(TemporalAccessor temporal) {
- if (temporal instanceof JapaneseDate) {
- return (JapaneseDate) temporal;
- }
- return new JapaneseDate(LocalDate.from(temporal));
- }
-
- //-----------------------------------------------------------------------
- /**
- * Checks if the specified year is a leap year.
- * <p>
- * Japanese calendar 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);
- }
-
- @Override
- public int prolepticYear(Era<JapaneseChrono> era, int yearOfEra) {
- if (era instanceof JapaneseEra == false) {
- throw new DateTimeException("Era must be JapaneseEra");
- }
- JapaneseEra jera = (JapaneseEra) era;
- int gregorianYear = jera.getPrivateEra().getSinceDate().getYear() + yearOfEra - 1;
- if (yearOfEra == 1) {
- return gregorianYear;
- }
- LocalGregorianCalendar.Date jdate = JCAL.newCalendarDate(null);
- jdate.setEra(jera.getPrivateEra()).setDate(yearOfEra, 1, 1);
- JCAL.normalize(jdate);
- if (jdate.getNormalizedYear() == gregorianYear) {
- return gregorianYear;
- }
- throw new DateTimeException("invalid yearOfEra value");
- }
-
- /**
- * Returns the calendar system era object from the given numeric value.
- *
- * See the description of each Era for the numeric values of:
- * {@link #ERA_HEISEI}, {@link #ERA_SHOWA},{@link #ERA_TAISHO},
- * {@link #ERA_MEIJI}), only Meiji and later eras are supported.
- * Prior to Meiji {@link #ERA_SEIREKI} is used.
- *
- * @param eraValue the era value
- * @return the Japanese {@code Era} for the given numeric era value
- * @throws DateTimeException if {@code eraValue} is invalid
- */
- @Override
- public Era<JapaneseChrono> eraOf(int eraValue) {
- return JapaneseEra.of(eraValue);
- }
-
- @Override
- public List<Era<JapaneseChrono>> eras() {
- return Arrays.<Era<JapaneseChrono>>asList(JapaneseEra.values());
- }
-
- //-----------------------------------------------------------------------
- @Override
- public ValueRange range(ChronoField field) {
- switch (field) {
- case DAY_OF_MONTH:
- case DAY_OF_WEEK:
- case MICRO_OF_DAY:
- case MICRO_OF_SECOND:
- case HOUR_OF_DAY:
- case HOUR_OF_AMPM:
- case MINUTE_OF_DAY:
- case MINUTE_OF_HOUR:
- case SECOND_OF_DAY:
- case SECOND_OF_MINUTE:
- case MILLI_OF_DAY:
- case MILLI_OF_SECOND:
- case NANO_OF_DAY:
- case NANO_OF_SECOND:
- case CLOCK_HOUR_OF_DAY:
- case CLOCK_HOUR_OF_AMPM:
- case EPOCH_DAY:
- case EPOCH_MONTH:
- return field.range();
- }
- Calendar jcal = Calendar.getInstance(LOCALE);
- int fieldIndex;
- switch (field) {
- case ERA:
- return ValueRange.of(jcal.getMinimum(Calendar.ERA) - JapaneseEra.ERA_OFFSET,
- jcal.getMaximum(Calendar.ERA) - JapaneseEra.ERA_OFFSET);
- case YEAR:
- case YEAR_OF_ERA:
- return ValueRange.of(Year.MIN_VALUE, jcal.getGreatestMinimum(Calendar.YEAR),
- jcal.getLeastMaximum(Calendar.YEAR), Year.MAX_VALUE);
- case MONTH_OF_YEAR:
- return ValueRange.of(jcal.getMinimum(Calendar.MONTH) + 1, jcal.getGreatestMinimum(Calendar.MONTH) + 1,
- jcal.getLeastMaximum(Calendar.MONTH) + 1, jcal.getMaximum(Calendar.MONTH) + 1);
- case DAY_OF_YEAR:
- fieldIndex = Calendar.DAY_OF_YEAR;
- break;
- default:
- // TODO: review the remaining fields
- throw new UnsupportedOperationException("Unimplementable field: " + field);
- }
- return ValueRange.of(jcal.getMinimum(fieldIndex), jcal.getGreatestMinimum(fieldIndex),
- jcal.getLeastMaximum(fieldIndex), jcal.getMaximum(fieldIndex));
- }
-
-}