--- a/jdk/src/share/classes/java/time/calendar/HijrahChrono.java Tue Feb 12 16:02:14 2013 +0400
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,1341 +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 static java.time.temporal.ChronoField.EPOCH_DAY;
-
-import java.io.IOException;
-import java.io.Serializable;
-import java.text.ParseException;
-import java.time.DateTimeException;
-import java.time.temporal.Chrono;
-import java.time.temporal.ChronoField;
-import java.time.temporal.ChronoLocalDate;
-import java.time.temporal.Era;
-import java.time.temporal.TemporalAccessor;
-import java.time.temporal.ValueRange;
-import java.util.Arrays;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Locale;
-
-/**
- * The Hijrah calendar system.
- * <p>
- * This chronology defines the rules of the Hijrah calendar system.
- * <p>
- * The implementation follows the Freeman-Grenville algorithm (*1) and has following features.
- * <p><ul>
- * <li>A year has 12 months.</li>
- * <li>Over a cycle of 30 years there are 11 leap years.</li>
- * <li>There are 30 days in month number 1, 3, 5, 7, 9, and 11,
- * and 29 days in month number 2, 4, 6, 8, 10, and 12.</li>
- * <li>In a leap year month 12 has 30 days.</li>
- * <li>In a 30 year cycle, year 2, 5, 7, 10, 13, 16, 18, 21, 24,
- * 26, and 29 are leap years.</li>
- * <li>Total of 10631 days in a 30 years cycle.</li>
- * </ul><p>
- * <P>
- * The table shows the features described above.
- * <blockquote>
- * <table border="1">
- * <caption>Hijrah Calendar Months</caption>
- * <tbody>
- * <tr>
- * <th># of month</th>
- * <th>Name of month</th>
- * <th>Number of days</th>
- * </tr>
- * <tr>
- * <td>1</td>
- * <td>Muharram</td>
- * <td>30</td>
- * </tr>
- * <tr>
- * <td>2</td>
- * <td>Safar</td>
- * <td>29</td>
- * </tr>
- * <tr>
- * <td>3</td>
- * <td>Rabi'al-Awwal</td>
- * <td>30</td>
- * </tr>
- * <tr>
- * <td>4</td>
- * <td>Rabi'ath-Thani</td>
- * <td>29</td>
- * </tr>
- * <tr>
- * <td>5</td>
- * <td>Jumada l-Ula</td>
- * <td>30</td>
- * </tr>
- * <tr>
- * <td>6</td>
- * <td>Jumada t-Tania</td>
- * <td>29</td>
- * </tr>
- * <tr>
- * <td>7</td>
- * <td>Rajab</td>
- * <td>30</td>
- * </tr>
- * <tr>
- * <td>8</td>
- * <td>Sha`ban</td>
- * <td>29</td>
- * </tr>
- * <tr>
- * <td>9</td>
- * <td>Ramadan</td>
- * <td>30</td>
- * </tr>
- * <tr>
- * <td>10</td>
- * <td>Shawwal</td>
- * <td>29</td>
- * </tr>
- * <tr>
- * <td>11</td>
- * <td>Dhu 'l-Qa`da</td>
- * <td>30</td>
- * </tr>
- * <tr>
- * <td>12</td>
- * <td>Dhu 'l-Hijja</td>
- * <td>29, but 30 days in years 2, 5, 7, 10,<br>
- * 13, 16, 18, 21, 24, 26, and 29</td>
- * </tr>
- * </tbody>
- * </table>
- * </blockquote>
- * <p>
- * (*1) The algorithm is taken from the book,
- * The Muslim and Christian Calendars by G.S.P. Freeman-Grenville.
- * <p>
- *
- * <h3>Specification for implementors</h3>
- * This class is immutable and thread-safe.
- *
- * @since 1.8
- */
-public final class HijrahChrono extends Chrono<HijrahChrono> implements Serializable {
-
- /**
- * The Hijrah Calendar id.
- */
- private final String typeId;
-
- /**
- * The Hijrah calendarType.
- */
- private final String calendarType;
-
- /**
- * The singleton instance for the era before the current one - Before Hijrah -
- * which has the value 0.
- */
- public static final Era<HijrahChrono> ERA_BEFORE_AH = HijrahEra.BEFORE_AH;
- /**
- * The singleton instance for the current era - Hijrah - which has the value 1.
- */
- public static final Era<HijrahChrono> ERA_AH = HijrahEra.AH;
- /**
- * Serialization version.
- */
- private static final long serialVersionUID = 3127340209035924785L;
- /**
- * The minimum valid year-of-era.
- */
- public static final int MIN_YEAR_OF_ERA = 1;
- /**
- * The maximum valid year-of-era.
- * This is currently set to 9999 but may be changed to increase the valid range
- * in a future version of the specification.
- */
- public static final int MAX_YEAR_OF_ERA = 9999;
-
- /**
- * Number of Gregorian day of July 19, year 622 (Gregorian), which is epoch day
- * of Hijrah calendar.
- */
- private static final int HIJRAH_JAN_1_1_GREGORIAN_DAY = -492148;
- /**
- * 0-based, for number of day-of-year in the beginning of month in normal
- * year.
- */
- private static final int NUM_DAYS[] =
- {0, 30, 59, 89, 118, 148, 177, 207, 236, 266, 295, 325};
- /**
- * 0-based, for number of day-of-year in the beginning of month in leap year.
- */
- private static final int LEAP_NUM_DAYS[] =
- {0, 30, 59, 89, 118, 148, 177, 207, 236, 266, 295, 325};
- /**
- * 0-based, for day-of-month in normal year.
- */
- private static final int MONTH_LENGTH[] =
- {30, 29, 30, 29, 30, 29, 30, 29, 30, 29, 30, 29};
- /**
- * 0-based, for day-of-month in leap year.
- */
- private static final int LEAP_MONTH_LENGTH[] =
- {30, 29, 30, 29, 30, 29, 30, 29, 30, 29, 30, 30};
-
- /**
- * <pre>
- * Greatest Least
- * Field name Minimum Minimum Maximum Maximum
- * ---------- ------- ------- ------- -------
- * ERA 0 0 1 1
- * YEAR_OF_ERA 1 1 9999 9999
- * MONTH_OF_YEAR 1 1 12 12
- * DAY_OF_MONTH 1 1 29 30
- * DAY_OF_YEAR 1 1 354 355
- * </pre>
- *
- * Minimum values.
- */
- private static final int MIN_VALUES[] =
- {
- 0,
- MIN_YEAR_OF_ERA,
- 0,
- 1,
- 0,
- 1,
- 1
- };
-
- /**
- * Least maximum values.
- */
- private static final int LEAST_MAX_VALUES[] =
- {
- 1,
- MAX_YEAR_OF_ERA,
- 11,
- 51,
- 5,
- 29,
- 354
- };
-
- /**
- * Maximum values.
- */
- private static final int MAX_VALUES[] =
- {
- 1,
- MAX_YEAR_OF_ERA,
- 11,
- 52,
- 6,
- 30,
- 355
- };
-
- /**
- * Position of day-of-month. This value is used to get the min/max value
- * from an array.
- */
- private static final int POSITION_DAY_OF_MONTH = 5;
- /**
- * Position of day-of-year. This value is used to get the min/max value from
- * an array.
- */
- private static final int POSITION_DAY_OF_YEAR = 6;
- /**
- * Zero-based start date of cycle year.
- */
- private static final int CYCLEYEAR_START_DATE[] =
- {
- 0,
- 354,
- 709,
- 1063,
- 1417,
- 1772,
- 2126,
- 2481,
- 2835,
- 3189,
- 3544,
- 3898,
- 4252,
- 4607,
- 4961,
- 5315,
- 5670,
- 6024,
- 6379,
- 6733,
- 7087,
- 7442,
- 7796,
- 8150,
- 8505,
- 8859,
- 9214,
- 9568,
- 9922,
- 10277
- };
-
- /**
- * Holding the adjusted month days in year. The key is a year (Integer) and
- * the value is the all the month days in year (int[]).
- */
- private final HashMap<Integer, int[]> ADJUSTED_MONTH_DAYS = new HashMap<>();
- /**
- * Holding the adjusted month length in year. The key is a year (Integer)
- * and the value is the all the month length in year (int[]).
- */
- private final HashMap<Integer, int[]> ADJUSTED_MONTH_LENGTHS = new HashMap<>();
- /**
- * Holding the adjusted days in the 30 year cycle. The key is a cycle number
- * (Integer) and the value is the all the starting days of the year in the
- * cycle (int[]).
- */
- private final HashMap<Integer, int[]> ADJUSTED_CYCLE_YEARS = new HashMap<>();
- /**
- * Holding the adjusted cycle in the 1 - 30000 year. The key is the cycle
- * number (Integer) and the value is the starting days in the cycle in the
- * term.
- */
- private final long[] ADJUSTED_CYCLES;
- /**
- * Holding the adjusted min values.
- */
- private final int[] ADJUSTED_MIN_VALUES;
- /**
- * Holding the adjusted max least max values.
- */
- private final int[] ADJUSTED_LEAST_MAX_VALUES;
- /**
- * Holding adjusted max values.
- */
- private final int[] ADJUSTED_MAX_VALUES;
- /**
- * Holding the non-adjusted month days in year for non leap year.
- */
- private static final int[] DEFAULT_MONTH_DAYS;
- /**
- * Holding the non-adjusted month days in year for leap year.
- */
- private static final int[] DEFAULT_LEAP_MONTH_DAYS;
- /**
- * Holding the non-adjusted month length for non leap year.
- */
- private static final int[] DEFAULT_MONTH_LENGTHS;
- /**
- * Holding the non-adjusted month length for leap year.
- */
- private static final int[] DEFAULT_LEAP_MONTH_LENGTHS;
- /**
- * Holding the non-adjusted 30 year cycle starting day.
- */
- private static final int[] DEFAULT_CYCLE_YEARS;
- /**
- * number of 30-year cycles to hold the deviation data.
- */
- private static final int MAX_ADJUSTED_CYCLE = 334; // to support year 9999
-
-
- /**
- * Narrow names for eras.
- */
- private static final HashMap<String, String[]> ERA_NARROW_NAMES = new HashMap<>();
- /**
- * Short names for eras.
- */
- private static final HashMap<String, String[]> ERA_SHORT_NAMES = new HashMap<>();
- /**
- * Full names for eras.
- */
- private static final HashMap<String, String[]> ERA_FULL_NAMES = new HashMap<>();
- /**
- * Fallback language for the era names.
- */
- private static final String FALLBACK_LANGUAGE = "en";
-
- /**
- * Singleton instance of the Hijrah chronology.
- * Must be initialized after the rest of the static initialization.
- */
- public static final HijrahChrono INSTANCE;
-
- /**
- * Name data.
- */
- static {
- ERA_NARROW_NAMES.put(FALLBACK_LANGUAGE, new String[]{"BH", "HE"});
- ERA_SHORT_NAMES.put(FALLBACK_LANGUAGE, new String[]{"B.H.", "H.E."});
- ERA_FULL_NAMES.put(FALLBACK_LANGUAGE, new String[]{"Before Hijrah", "Hijrah Era"});
-
- DEFAULT_MONTH_DAYS = Arrays.copyOf(NUM_DAYS, NUM_DAYS.length);
-
- DEFAULT_LEAP_MONTH_DAYS = Arrays.copyOf(LEAP_NUM_DAYS, LEAP_NUM_DAYS.length);
-
- DEFAULT_MONTH_LENGTHS = Arrays.copyOf(MONTH_LENGTH, MONTH_LENGTH.length);
-
- DEFAULT_LEAP_MONTH_LENGTHS = Arrays.copyOf(LEAP_MONTH_LENGTH, LEAP_MONTH_LENGTH.length);
-
- DEFAULT_CYCLE_YEARS = Arrays.copyOf(CYCLEYEAR_START_DATE, CYCLEYEAR_START_DATE.length);
-
- INSTANCE = new HijrahChrono();
-
- String extraCalendars = java.security.AccessController.doPrivileged(
- new sun.security.action.GetPropertyAction("java.time.calendar.HijrahCalendars"));
- if (extraCalendars != null) {
- try {
- // Split on whitespace
- String[] splits = extraCalendars.split("\\s");
- for (String cal : splits) {
- if (!cal.isEmpty()) {
- // Split on the delimiter between typeId "-" calendarType
- String[] type = cal.split("-");
- Chrono<?> cal2 = new HijrahChrono(type[0], type.length > 1 ? type[1] : type[0]);
- }
- }
- } catch (Exception ex) {
- // Log the error
- // ex.printStackTrace();
- }
- }
- }
-
- /**
- * Restricted constructor.
- */
- private HijrahChrono() {
- this("Hijrah", "islamicc");
- }
- /**
- * Constructor for name and type HijrahChrono.
- * @param id the id of the calendar
- * @param calendarType the calendar type
- */
- private HijrahChrono(String id, String calendarType) {
- this.typeId = id;
- this.calendarType = calendarType;
-
- ADJUSTED_CYCLES = new long[MAX_ADJUSTED_CYCLE];
- for (int i = 0; i < ADJUSTED_CYCLES.length; i++) {
- ADJUSTED_CYCLES[i] = (10631L * i);
- }
- // Initialize min values, least max values and max values.
- ADJUSTED_MIN_VALUES = Arrays.copyOf(MIN_VALUES, MIN_VALUES.length);
- ADJUSTED_LEAST_MAX_VALUES = Arrays.copyOf(LEAST_MAX_VALUES, LEAST_MAX_VALUES.length);
- ADJUSTED_MAX_VALUES = Arrays.copyOf(MAX_VALUES,MAX_VALUES.length);
-
- try {
- // Implicitly reads deviation data for this HijrahChronology.
- boolean any = HijrahDeviationReader.readDeviation(typeId, calendarType, this::addDeviationAsHijrah);
- } catch (IOException | ParseException e) {
- // do nothing. Log deviation config errors.
- //e.printStackTrace();
- }
- }
-
- /**
- * Resolve singleton.
- *
- * @return the singleton instance, not null
- */
- private Object readResolve() {
- return INSTANCE;
- }
-
- //-----------------------------------------------------------------------
- /**
- * Gets the ID of the chronology - 'Hijrah'.
- * <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 - 'Hijrah'
- * @see #getCalendarType()
- */
- @Override
- public String getId() {
- return typeId;
- }
-
- /**
- * Gets the calendar type of the underlying calendar system - 'islamicc'.
- * <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 - 'islamicc'
- * @see #getId()
- */
- @Override
- public String getCalendarType() {
- return calendarType;
- }
-
- //-----------------------------------------------------------------------
- @Override
- public ChronoLocalDate<HijrahChrono> date(int prolepticYear, int month, int dayOfMonth) {
- return HijrahDate.of(this, prolepticYear, month, dayOfMonth);
- }
-
- @Override
- public ChronoLocalDate<HijrahChrono> dateYearDay(int prolepticYear, int dayOfYear) {
- return HijrahDate.of(this, prolepticYear, 1, 1).plusDays(dayOfYear - 1); // TODO better
- }
-
- @Override
- public ChronoLocalDate<HijrahChrono> date(TemporalAccessor temporal) {
- if (temporal instanceof HijrahDate) {
- return (HijrahDate) temporal;
- }
- return HijrahDate.ofEpochDay(this, temporal.getLong(EPOCH_DAY));
- }
-
- //-----------------------------------------------------------------------
- @Override
- public boolean isLeapYear(long prolepticYear) {
- return isLeapYear0(prolepticYear);
- }
- /**
- * Returns if the year is a leap year.
- * @param prolepticYear he year to compute from
- * @return {@code true} if the year is a leap year, otherwise {@code false}
- */
- private static boolean isLeapYear0(long prolepticYear) {
- return (14 + 11 * (prolepticYear > 0 ? prolepticYear : -prolepticYear)) % 30 < 11;
- }
-
- @Override
- public int prolepticYear(Era<HijrahChrono> era, int yearOfEra) {
- if (era instanceof HijrahEra == false) {
- throw new DateTimeException("Era must be HijrahEra");
- }
- return (era == HijrahEra.AH ? yearOfEra : 1 - yearOfEra);
- }
-
- @Override
- public Era<HijrahChrono> eraOf(int eraValue) {
- switch (eraValue) {
- case 0:
- return HijrahEra.BEFORE_AH;
- case 1:
- return HijrahEra.AH;
- default:
- throw new DateTimeException("invalid Hijrah era");
- }
- }
-
- @Override
- public List<Era<HijrahChrono>> eras() {
- return Arrays.<Era<HijrahChrono>>asList(HijrahEra.values());
- }
-
- //-----------------------------------------------------------------------
- @Override
- public ValueRange range(ChronoField field) {
- return field.range();
- }
-
- /**
- * Check the validity of a yearOfEra.
- * @param yearOfEra the year to check
- */
- void checkValidYearOfEra(int yearOfEra) {
- if (yearOfEra < MIN_YEAR_OF_ERA ||
- yearOfEra > MAX_YEAR_OF_ERA) {
- throw new DateTimeException("Invalid year of Hijrah Era");
- }
- }
-
- void checkValidDayOfYear(int dayOfYear) {
- if (dayOfYear < 1 ||
- dayOfYear > getMaximumDayOfYear()) {
- throw new DateTimeException("Invalid day of year of Hijrah date");
- }
- }
-
- void checkValidMonth(int month) {
- if (month < 1 || month > 12) {
- throw new DateTimeException("Invalid month of Hijrah date");
- }
- }
-
- void checkValidDayOfMonth(int dayOfMonth) {
- if (dayOfMonth < 1 ||
- dayOfMonth > getMaximumDayOfMonth()) {
- throw new DateTimeException("Invalid day of month of Hijrah date, day "
- + dayOfMonth + " greater than " + getMaximumDayOfMonth() + " or less than 1");
- }
- }
-
- //-----------------------------------------------------------------------
- /**
- * Returns the int array containing the following field from the julian day.
- *
- * int[0] = ERA
- * int[1] = YEAR
- * int[2] = MONTH
- * int[3] = DATE
- * int[4] = DAY_OF_YEAR
- * int[5] = DAY_OF_WEEK
- *
- * @param gregorianDays a julian day.
- */
- int[] getHijrahDateInfo(long gregorianDays) {
- int era, year, month, date, dayOfWeek, dayOfYear;
-
- int cycleNumber, yearInCycle, dayOfCycle;
-
- long epochDay = gregorianDays - HIJRAH_JAN_1_1_GREGORIAN_DAY;
-
- if (epochDay >= 0) {
- cycleNumber = getCycleNumber(epochDay); // 0 - 99.
- dayOfCycle = getDayOfCycle(epochDay, cycleNumber); // 0 - 10631.
- yearInCycle = getYearInCycle(cycleNumber, dayOfCycle); // 0 - 29.
- dayOfYear = getDayOfYear(cycleNumber, dayOfCycle, yearInCycle);
- // 0 - 354/355
- year = cycleNumber * 30 + yearInCycle + 1; // 1-based year.
- month = getMonthOfYear(dayOfYear, year); // 0-based month-of-year
- date = getDayOfMonth(dayOfYear, month, year); // 0-based date
- ++date; // Convert from 0-based to 1-based
- era = HijrahEra.AH.getValue();
- } else {
- cycleNumber = (int) epochDay / 10631; // 0 or negative number.
- dayOfCycle = (int) epochDay % 10631; // -10630 - 0.
- if (dayOfCycle == 0) {
- dayOfCycle = -10631;
- cycleNumber++;
- }
- yearInCycle = getYearInCycle(cycleNumber, dayOfCycle); // 0 - 29.
- dayOfYear = getDayOfYear(cycleNumber, dayOfCycle, yearInCycle);
- year = cycleNumber * 30 - yearInCycle; // negative number.
- year = 1 - year;
- dayOfYear = (isLeapYear(year) ? (dayOfYear + 355)
- : (dayOfYear + 354));
- month = getMonthOfYear(dayOfYear, year);
- date = getDayOfMonth(dayOfYear, month, year);
- ++date; // Convert from 0-based to 1-based
- era = HijrahEra.BEFORE_AH.getValue();
- }
- // Hijrah day zero is a Friday
- dayOfWeek = (int) ((epochDay + 5) % 7);
- dayOfWeek += (dayOfWeek <= 0) ? 7 : 0;
-
- int dateInfo[] = new int[6];
- dateInfo[0] = era;
- dateInfo[1] = year;
- dateInfo[2] = month + 1; // change to 1-based.
- dateInfo[3] = date;
- dateInfo[4] = dayOfYear + 1; // change to 1-based.
- dateInfo[5] = dayOfWeek;
- return dateInfo;
- }
-
- /**
- * Return Gregorian epoch day from Hijrah year, month, and day.
- *
- * @param prolepticYear the year to represent, caller calculated
- * @param monthOfYear the month-of-year to represent, caller calculated
- * @param dayOfMonth the day-of-month to represent, caller calculated
- * @return a julian day
- */
- long getGregorianEpochDay(int prolepticYear, int monthOfYear, int dayOfMonth) {
- long day = yearToGregorianEpochDay(prolepticYear);
- day += getMonthDays(monthOfYear - 1, prolepticYear);
- day += dayOfMonth;
- return day;
- }
-
- /**
- * Returns the Gregorian epoch day from the proleptic year
- * @param prolepticYear the proleptic year
- * @return the Epoch day
- */
- private long yearToGregorianEpochDay(int prolepticYear) {
-
- int cycleNumber = (prolepticYear - 1) / 30; // 0-based.
- int yearInCycle = (prolepticYear - 1) % 30; // 0-based.
-
- int dayInCycle = getAdjustedCycle(cycleNumber)[Math.abs(yearInCycle)]
- ;
-
- if (yearInCycle < 0) {
- dayInCycle = -dayInCycle;
- }
-
- Long cycleDays;
-
- try {
- cycleDays = ADJUSTED_CYCLES[cycleNumber];
- } catch (ArrayIndexOutOfBoundsException e) {
- cycleDays = null;
- }
-
- if (cycleDays == null) {
- cycleDays = new Long(cycleNumber * 10631);
- }
-
- return (cycleDays.longValue() + dayInCycle + HIJRAH_JAN_1_1_GREGORIAN_DAY - 1);
- }
-
- /**
- * Returns the 30 year cycle number from the epoch day.
- *
- * @param epochDay an epoch day
- * @return a cycle number
- */
- private int getCycleNumber(long epochDay) {
- long[] days = ADJUSTED_CYCLES;
- int cycleNumber;
- try {
- for (int i = 0; i < days.length; i++) {
- if (epochDay < days[i]) {
- return i - 1;
- }
- }
- cycleNumber = (int) epochDay / 10631;
- } catch (ArrayIndexOutOfBoundsException e) {
- cycleNumber = (int) epochDay / 10631;
- }
- return cycleNumber;
- }
-
- /**
- * Returns day of cycle from the epoch day and cycle number.
- *
- * @param epochDay an epoch day
- * @param cycleNumber a cycle number
- * @return a day of cycle
- */
- private int getDayOfCycle(long epochDay, int cycleNumber) {
- Long day;
-
- try {
- day = ADJUSTED_CYCLES[cycleNumber];
- } catch (ArrayIndexOutOfBoundsException e) {
- day = null;
- }
- if (day == null) {
- day = new Long(cycleNumber * 10631);
- }
- return (int) (epochDay - day.longValue());
- }
-
- /**
- * Returns the year in cycle from the cycle number and day of cycle.
- *
- * @param cycleNumber a cycle number
- * @param dayOfCycle day of cycle
- * @return a year in cycle
- */
- private int getYearInCycle(int cycleNumber, long dayOfCycle) {
- int[] cycles = getAdjustedCycle(cycleNumber);
- if (dayOfCycle == 0) {
- return 0;
- }
-
- if (dayOfCycle > 0) {
- for (int i = 0; i < cycles.length; i++) {
- if (dayOfCycle < cycles[i]) {
- return i - 1;
- }
- }
- return 29;
- } else {
- dayOfCycle = -dayOfCycle;
- for (int i = 0; i < cycles.length; i++) {
- if (dayOfCycle <= cycles[i]) {
- return i - 1;
- }
- }
- return 29;
- }
- }
-
- /**
- * Returns adjusted 30 year cycle starting day as Integer array from the
- * cycle number specified.
- *
- * @param cycleNumber a cycle number
- * @return an Integer array
- */
- int[] getAdjustedCycle(int cycleNumber) {
- int[] cycles;
- try {
- cycles = ADJUSTED_CYCLE_YEARS.get(cycleNumber);
- } catch (ArrayIndexOutOfBoundsException e) {
- cycles = null;
- }
- if (cycles == null) {
- cycles = DEFAULT_CYCLE_YEARS;
- }
- return cycles;
- }
-
- /**
- * Returns adjusted month days as Integer array form the year specified.
- *
- * @param year a year
- * @return an Integer array
- */
- int[] getAdjustedMonthDays(int year) {
- int[] newMonths;
- try {
- newMonths = ADJUSTED_MONTH_DAYS.get(year);
- } catch (ArrayIndexOutOfBoundsException e) {
- newMonths = null;
- }
- if (newMonths == null) {
- if (isLeapYear0(year)) {
- newMonths = DEFAULT_LEAP_MONTH_DAYS;
- } else {
- newMonths = DEFAULT_MONTH_DAYS;
- }
- }
- return newMonths;
- }
-
- /**
- * Returns adjusted month length as Integer array form the year specified.
- *
- * @param year a year
- * @return an Integer array
- */
- int[] getAdjustedMonthLength(int year) {
- int[] newMonths;
- try {
- newMonths = ADJUSTED_MONTH_LENGTHS.get(year);
- } catch (ArrayIndexOutOfBoundsException e) {
- newMonths = null;
- }
- if (newMonths == null) {
- if (isLeapYear0(year)) {
- newMonths = DEFAULT_LEAP_MONTH_LENGTHS;
- } else {
- newMonths = DEFAULT_MONTH_LENGTHS;
- }
- }
- return newMonths;
- }
-
- /**
- * Returns day-of-year.
- *
- * @param cycleNumber a cycle number
- * @param dayOfCycle day of cycle
- * @param yearInCycle year in cycle
- * @return day-of-year
- */
- private int getDayOfYear(int cycleNumber, int dayOfCycle, int yearInCycle) {
- int[] cycles = getAdjustedCycle(cycleNumber);
-
- if (dayOfCycle > 0) {
- return dayOfCycle - cycles[yearInCycle];
- } else {
- return cycles[yearInCycle] + dayOfCycle;
- }
- }
-
- /**
- * Returns month-of-year. 0-based.
- *
- * @param dayOfYear day-of-year
- * @param year a year
- * @return month-of-year
- */
- private int getMonthOfYear(int dayOfYear, int year) {
-
- int[] newMonths = getAdjustedMonthDays(year);
-
- if (dayOfYear >= 0) {
- for (int i = 0; i < newMonths.length; i++) {
- if (dayOfYear < newMonths[i]) {
- return i - 1;
- }
- }
- return 11;
- } else {
- dayOfYear = (isLeapYear0(year) ? (dayOfYear + 355)
- : (dayOfYear + 354));
- for (int i = 0; i < newMonths.length; i++) {
- if (dayOfYear < newMonths[i]) {
- return i - 1;
- }
- }
- return 11;
- }
- }
-
- /**
- * Returns day-of-month.
- *
- * @param dayOfYear day of year
- * @param month month
- * @param year year
- * @return day-of-month
- */
- private int getDayOfMonth(int dayOfYear, int month, int year) {
-
- int[] newMonths = getAdjustedMonthDays(year);
-
- if (dayOfYear >= 0) {
- if (month > 0) {
- return dayOfYear - newMonths[month];
- } else {
- return dayOfYear;
- }
- } else {
- dayOfYear = (isLeapYear0(year) ? (dayOfYear + 355)
- : (dayOfYear + 354));
- if (month > 0) {
- return dayOfYear - newMonths[month];
- } else {
- return dayOfYear;
- }
- }
- }
-
-
- /**
- * Returns month days from the beginning of year.
- *
- * @param month month (0-based)
- * @parma year year
- * @return month days from the beginning of year
- */
- private int getMonthDays(int month, int year) {
- int[] newMonths = getAdjustedMonthDays(year);
- return newMonths[month];
- }
-
- /**
- * Returns month length.
- *
- * @param month month (0-based)
- * @param year year
- * @return month length
- */
- private int getMonthLength(int month, int year) {
- int[] newMonths = getAdjustedMonthLength(year);
- return newMonths[month];
- }
-
- /**
- * Returns year length.
- *
- * @param year year
- * @return year length
- */
- int getYearLength(int year) {
-
- int cycleNumber = (year - 1) / 30;
- int[] cycleYears;
- try {
- cycleYears = ADJUSTED_CYCLE_YEARS.get(cycleNumber);
- } catch (ArrayIndexOutOfBoundsException e) {
- cycleYears = null;
- }
- if (cycleYears != null) {
- int yearInCycle = (year - 1) % 30;
- if (yearInCycle == 29) {
- return (int)(ADJUSTED_CYCLES[cycleNumber + 1]
- - ADJUSTED_CYCLES[cycleNumber]
- - cycleYears[yearInCycle]);
- }
- return cycleYears[yearInCycle + 1]
- - cycleYears[yearInCycle];
- } else {
- return isLeapYear0(year) ? 355 : 354;
- }
- }
-
-
- /**
- * Returns maximum day-of-month.
- *
- * @return maximum day-of-month
- */
- int getMaximumDayOfMonth() {
- return ADJUSTED_MAX_VALUES[POSITION_DAY_OF_MONTH];
- }
-
- /**
- * Returns smallest maximum day-of-month.
- *
- * @return smallest maximum day-of-month
- */
- int getSmallestMaximumDayOfMonth() {
- return ADJUSTED_LEAST_MAX_VALUES[POSITION_DAY_OF_MONTH];
- }
-
- /**
- * Returns maximum day-of-year.
- *
- * @return maximum day-of-year
- */
- int getMaximumDayOfYear() {
- return ADJUSTED_MAX_VALUES[POSITION_DAY_OF_YEAR];
- }
-
- /**
- * Returns smallest maximum day-of-year.
- *
- * @return smallest maximum day-of-year
- */
- int getSmallestMaximumDayOfYear() {
- return ADJUSTED_LEAST_MAX_VALUES[POSITION_DAY_OF_YEAR];
- }
-
- // ----- Deviation handling -----//
-
- /**
- * Adds deviation definition. The year and month specified should be the
- * calculated Hijrah year and month. The month is 1 based. e.g. 9 for
- * Ramadan (9th month) Addition of anything minus deviation days is
- * calculated negatively in the case the user wants to subtract days from
- * the calendar. For example, adding -1 days will subtract one day from the
- * current date.
- *
- * @param startYear start year, 1 origin
- * @param startMonth start month, 1 origin
- * @param endYear end year, 1 origin
- * @param endMonth end month, 1 origin
- * @param offset offset -2, -1, +1, +2
- */
- private void addDeviationAsHijrah(Deviation entry) {
- int startYear = entry.startYear;
- int startMonth = entry.startMonth - 1 ;
- int endYear = entry.endYear;
- int endMonth = entry.endMonth - 1;
- int offset = entry.offset;
-
- if (startYear < 1) {
- throw new IllegalArgumentException("startYear < 1");
- }
- if (endYear < 1) {
- throw new IllegalArgumentException("endYear < 1");
- }
- if (startMonth < 0 || startMonth > 11) {
- throw new IllegalArgumentException(
- "startMonth < 0 || startMonth > 11");
- }
- if (endMonth < 0 || endMonth > 11) {
- throw new IllegalArgumentException("endMonth < 0 || endMonth > 11");
- }
- if (endYear > 9999) {
- throw new IllegalArgumentException("endYear > 9999");
- }
- if (endYear < startYear) {
- throw new IllegalArgumentException("startYear > endYear");
- }
- if (endYear == startYear && endMonth < startMonth) {
- throw new IllegalArgumentException(
- "startYear == endYear && endMonth < startMonth");
- }
-
- // Adjusting start year.
- boolean isStartYLeap = isLeapYear0(startYear);
-
- // Adjusting the number of month.
- int[] orgStartMonthNums = ADJUSTED_MONTH_DAYS.get(startYear);
- if (orgStartMonthNums == null) {
- if (isStartYLeap) {
- orgStartMonthNums = Arrays.copyOf(LEAP_NUM_DAYS, LEAP_NUM_DAYS.length);
- } else {
- orgStartMonthNums = Arrays.copyOf(NUM_DAYS, NUM_DAYS.length);
- }
- }
-
- int[] newStartMonthNums = new int[orgStartMonthNums.length];
-
- for (int month = 0; month < 12; month++) {
- if (month > startMonth) {
- newStartMonthNums[month] = (orgStartMonthNums[month] - offset);
- } else {
- newStartMonthNums[month] = (orgStartMonthNums[month]);
- }
- }
-
- ADJUSTED_MONTH_DAYS.put(startYear, newStartMonthNums);
-
- // Adjusting the days of month.
-
- int[] orgStartMonthLengths = ADJUSTED_MONTH_LENGTHS.get(startYear);
- if (orgStartMonthLengths == null) {
- if (isStartYLeap) {
- orgStartMonthLengths = Arrays.copyOf(LEAP_MONTH_LENGTH, LEAP_MONTH_LENGTH.length);
- } else {
- orgStartMonthLengths = Arrays.copyOf(MONTH_LENGTH, MONTH_LENGTH.length);
- }
- }
-
- int[] newStartMonthLengths = new int[orgStartMonthLengths.length];
-
- for (int month = 0; month < 12; month++) {
- if (month == startMonth) {
- newStartMonthLengths[month] = orgStartMonthLengths[month] - offset;
- } else {
- newStartMonthLengths[month] = orgStartMonthLengths[month];
- }
- }
-
- ADJUSTED_MONTH_LENGTHS.put(startYear, newStartMonthLengths);
-
- if (startYear != endYear) {
- // System.out.println("over year");
- // Adjusting starting 30 year cycle.
- int sCycleNumber = (startYear - 1) / 30;
- int sYearInCycle = (startYear - 1) % 30; // 0-based.
- int[] startCycles = ADJUSTED_CYCLE_YEARS.get(sCycleNumber);
- if (startCycles == null) {
- startCycles = Arrays.copyOf(CYCLEYEAR_START_DATE, CYCLEYEAR_START_DATE.length);
- }
-
- for (int j = sYearInCycle + 1; j < CYCLEYEAR_START_DATE.length; j++) {
- startCycles[j] = startCycles[j] - offset;
- }
-
- // System.out.println(sCycleNumber + ":" + sYearInCycle);
- ADJUSTED_CYCLE_YEARS.put(sCycleNumber, startCycles);
-
- int sYearInMaxY = (startYear - 1) / 30;
- int sEndInMaxY = (endYear - 1) / 30;
-
- if (sYearInMaxY != sEndInMaxY) {
- // System.out.println("over 30");
- // Adjusting starting 30 * MAX_ADJUSTED_CYCLE year cycle.
- // System.out.println(sYearInMaxY);
-
- for (int j = sYearInMaxY + 1; j < ADJUSTED_CYCLES.length; j++) {
- ADJUSTED_CYCLES[j] = ADJUSTED_CYCLES[j] - offset;
- }
-
- // Adjusting ending 30 * MAX_ADJUSTED_CYCLE year cycles.
- for (int j = sEndInMaxY + 1; j < ADJUSTED_CYCLES.length; j++) {
- ADJUSTED_CYCLES[j] = ADJUSTED_CYCLES[j] + offset;
- }
- }
-
- // Adjusting ending 30 year cycle.
- int eCycleNumber = (endYear - 1) / 30;
- int sEndInCycle = (endYear - 1) % 30; // 0-based.
- int[] endCycles = ADJUSTED_CYCLE_YEARS.get(eCycleNumber);
- if (endCycles == null) {
- endCycles = Arrays.copyOf(CYCLEYEAR_START_DATE, CYCLEYEAR_START_DATE.length);
- }
- for (int j = sEndInCycle + 1; j < CYCLEYEAR_START_DATE.length; j++) {
- endCycles[j] = endCycles[j] + offset;
- }
- ADJUSTED_CYCLE_YEARS.put(eCycleNumber, endCycles);
- }
-
- // Adjusting ending year.
- boolean isEndYLeap = isLeapYear0(endYear);
-
- int[] orgEndMonthDays = ADJUSTED_MONTH_DAYS.get(endYear);
-
- if (orgEndMonthDays == null) {
- if (isEndYLeap) {
- orgEndMonthDays = Arrays.copyOf(LEAP_NUM_DAYS, LEAP_NUM_DAYS.length);
- } else {
- orgEndMonthDays = Arrays.copyOf(NUM_DAYS, NUM_DAYS.length);
- }
- }
-
- int[] newEndMonthDays = new int[orgEndMonthDays.length];
-
- for (int month = 0; month < 12; month++) {
- if (month > endMonth) {
- newEndMonthDays[month] = orgEndMonthDays[month] + offset;
- } else {
- newEndMonthDays[month] = orgEndMonthDays[month];
- }
- }
-
- ADJUSTED_MONTH_DAYS.put(endYear, newEndMonthDays);
-
- // Adjusting the days of month.
- int[] orgEndMonthLengths = ADJUSTED_MONTH_LENGTHS.get(endYear);
-
- if (orgEndMonthLengths == null) {
- if (isEndYLeap) {
- orgEndMonthLengths = Arrays.copyOf(LEAP_MONTH_LENGTH, LEAP_MONTH_LENGTH.length);
- } else {
- orgEndMonthLengths = Arrays.copyOf(MONTH_LENGTH, MONTH_LENGTH.length);
- }
- }
-
- int[] newEndMonthLengths = new int[orgEndMonthLengths.length];
-
- for (int month = 0; month < 12; month++) {
- if (month == endMonth) {
- newEndMonthLengths[month] = orgEndMonthLengths[month] + offset;
- } else {
- newEndMonthLengths[month] = orgEndMonthLengths[month];
- }
- }
-
- ADJUSTED_MONTH_LENGTHS.put(endYear, newEndMonthLengths);
-
- int[] startMonthLengths = ADJUSTED_MONTH_LENGTHS.get(startYear);
- int[] endMonthLengths = ADJUSTED_MONTH_LENGTHS.get(endYear);
- int[] startMonthDays = ADJUSTED_MONTH_DAYS.get(startYear);
- int[] endMonthDays = ADJUSTED_MONTH_DAYS.get(endYear);
-
- int startMonthLength = startMonthLengths[startMonth];
- int endMonthLength = endMonthLengths[endMonth];
- int startMonthDay = startMonthDays[11] + startMonthLengths[11];
- int endMonthDay = endMonthDays[11] + endMonthLengths[11];
-
- int maxMonthLength = ADJUSTED_MAX_VALUES[POSITION_DAY_OF_MONTH];
- int leastMaxMonthLength = ADJUSTED_LEAST_MAX_VALUES[POSITION_DAY_OF_MONTH];
-
- if (maxMonthLength < startMonthLength) {
- maxMonthLength = startMonthLength;
- }
- if (maxMonthLength < endMonthLength) {
- maxMonthLength = endMonthLength;
- }
- ADJUSTED_MAX_VALUES[POSITION_DAY_OF_MONTH] = maxMonthLength;
-
- if (leastMaxMonthLength > startMonthLength) {
- leastMaxMonthLength = startMonthLength;
- }
- if (leastMaxMonthLength > endMonthLength) {
- leastMaxMonthLength = endMonthLength;
- }
- ADJUSTED_LEAST_MAX_VALUES[POSITION_DAY_OF_MONTH] = leastMaxMonthLength;
-
- int maxMonthDay = ADJUSTED_MAX_VALUES[POSITION_DAY_OF_YEAR];
- int leastMaxMonthDay = ADJUSTED_LEAST_MAX_VALUES[POSITION_DAY_OF_YEAR];
-
- if (maxMonthDay < startMonthDay) {
- maxMonthDay = startMonthDay;
- }
- if (maxMonthDay < endMonthDay) {
- maxMonthDay = endMonthDay;
- }
-
- ADJUSTED_MAX_VALUES[POSITION_DAY_OF_YEAR] = maxMonthDay;
-
- if (leastMaxMonthDay > startMonthDay) {
- leastMaxMonthDay = startMonthDay;
- }
- if (leastMaxMonthDay > endMonthDay) {
- leastMaxMonthDay = endMonthDay;
- }
- ADJUSTED_LEAST_MAX_VALUES[POSITION_DAY_OF_YEAR] = leastMaxMonthDay;
- }
-
- /**
- * Package private Entry for suppling deviations from the Reader.
- * Each entry consists of a range using the Hijrah calendar,
- * start year, month, end year, end month, and an offset.
- * The offset is used to modify the length of the month +2, +1, -1, -2.
- */
- static final class Deviation {
-
- Deviation(int startYear, int startMonth, int endYear, int endMonth, int offset) {
- this.startYear = startYear;
- this.startMonth = startMonth;
- this.endYear = endYear;
- this.endMonth = endMonth;
- this.offset = offset;
- }
-
- final int startYear;
- final int startMonth;
- final int endYear;
- final int endMonth;
- final int offset;
-
- int getStartYear() {
- return startYear;
- }
-
- int getStartMonth() {
- return startMonth;
- }
-
- int getEndYear() {
- return endYear;
- }
-
- int getEndMonth() {
- return endMonth;
- }
-
- int getOffset() {
- return offset;
- }
-
- @Override
- public String toString() {
- return String.format("[year: %4d, month: %2d, offset: %+d]", startYear, startMonth, offset);
- }
- }
-
-}