Java IsoChronology类代码示例

import java.time.chrono.IsoChronology; //导入依赖的package包/类
@Test(dataProvider = "resolve_ymaa")
public void test_resolve_ymaa_smart(int y, int m, int w, int d, LocalDate expected, boolean smart, boolean strict) {
    Map<TemporalField, Long> fieldValues = new HashMap<>();
    fieldValues.put(ChronoField.YEAR, (long) y);
    fieldValues.put(ChronoField.MONTH_OF_YEAR, (long) m);
    fieldValues.put(ChronoField.ALIGNED_WEEK_OF_MONTH, (long) w);
    fieldValues.put(ChronoField.ALIGNED_DAY_OF_WEEK_IN_MONTH, (long) d);
    if (smart) {
        LocalDate date = IsoChronology.INSTANCE.resolveDate(fieldValues, ResolverStyle.SMART);
        assertEquals(date, expected);
        assertEquals(fieldValues.size(), 0);
    } else {
        try {
            IsoChronology.INSTANCE.resolveDate(fieldValues, ResolverStyle.SMART);
            fail("Should have failed");
        } catch (DateTimeException ex) {
            // expected
        }
    }
}
 

import java.time.chrono.IsoChronology; //导入依赖的package包/类
@DataProvider(name = "era_epochSecond_dataProvider")
Object[][]  data_era_epochSecond() {
    return new Object[][] {
            {JapaneseChronology.INSTANCE, JapaneseEra.MEIJI, 1873 - YDIFF_MEIJI, 9, 7, 1, 2, 2, OFFSET_P0100},
            {JapaneseChronology.INSTANCE, JapaneseEra.SHOWA, 1928 - YDIFF_SHOWA, 2, 28, 1, 2, 2, OFFSET_M0100},
            {JapaneseChronology.INSTANCE, JapaneseEra.HEISEI, 1989 - YDIFF_HEISEI, 1, 8, 1, 2, 2, OFFSET_P0100},
            {HijrahChronology.INSTANCE, HijrahEra.AH, 1434, 9, 7, 1, 2, 2, OFFSET_P0100},
            {MinguoChronology.INSTANCE, MinguoEra.BEFORE_ROC, 1873 - YDIFF_MINGUO, 9, 7, 1, 2, 2, OFFSET_P0100},
            {MinguoChronology.INSTANCE, MinguoEra.ROC, 1928 - YDIFF_MINGUO, 2, 28, 1, 2, 2, OFFSET_M0100},
            {MinguoChronology.INSTANCE, MinguoEra.ROC, 1989 - YDIFF_MINGUO, 1, 8, 1, 2, 2, OFFSET_P0100},
            {ThaiBuddhistChronology.INSTANCE, ThaiBuddhistEra.BE, 1873 + YDIFF_THAIBUDDHIST, 9, 7, 1, 2, 2, OFFSET_P0100},
            {ThaiBuddhistChronology.INSTANCE, ThaiBuddhistEra.BE, 1928 + YDIFF_THAIBUDDHIST, 2, 28, 1, 2, 2, OFFSET_M0100},
            {ThaiBuddhistChronology.INSTANCE, ThaiBuddhistEra.BE, 1989 + YDIFF_THAIBUDDHIST, 1, 8, 1, 2, 2, OFFSET_P0100},
            {IsoChronology.INSTANCE, IsoEra.CE, 1873, 9, 7, 1, 2, 2, OFFSET_P0100},
            {IsoChronology.INSTANCE, IsoEra.CE, 1928, 2, 28, 1, 2, 2, OFFSET_M0100},
            {IsoChronology.INSTANCE, IsoEra.CE, 1989, 1, 8, 1, 2, 2, OFFSET_P0100},

    };
}
 

import java.time.chrono.IsoChronology; //导入依赖的package包/类
/**
 * Creates a local date from the year, month and day fields.
 *
 * @param year  the year to represent, validated from MIN_YEAR to MAX_YEAR
 * @param month  the month-of-year to represent, from 1 to 12, validated
 * @param dayOfMonth  the day-of-month to represent, validated from 1 to 31
 * @return the local date, not null
 * @throws DateTimeException if the day-of-month is invalid for the month-year
 */
private static LocalDate create(int year, int month, int dayOfMonth) {
    if (dayOfMonth > 28) {
        int dom = 31;
        switch (month) {
            case 2:
                dom = (IsoChronology.INSTANCE.isLeapYear(year) ? 29 : 28);
                break;
            case 4:
            case 6:
            case 9:
            case 11:
                dom = 30;
                break;
        }
        if (dayOfMonth > dom) {
            if (dayOfMonth == 29) {
                throw new DateTimeException("Invalid date 'February 29' as '" + year + "' is not a leap year");
            } else {
                throw new DateTimeException("Invalid date '" + Month.of(month).name() + " " + dayOfMonth + "'");
            }
        }
    }
    return new LocalDate(year, month, dayOfMonth);
}
 

import java.time.chrono.IsoChronology; //导入依赖的package包/类
/**
 * Gets the text for the specified chrono, field, locale and style
 * for the purpose of formatting.
 * <p>
 * The text associated with the value is returned.
 * The null return value should be used if there is no applicable text, or
 * if the text would be a numeric representation of the value.
 *
 * @param chrono  the Chronology to get text for, not null
 * @param field  the field to get text for, not null
 * @param value  the field value to get text for, not null
 * @param style  the style to get text for, not null
 * @param locale  the locale to get text for, not null
 * @return the text for the field value, null if no text found
 */
public String getText(Chronology chrono, TemporalField field, long value,
                                TextStyle style, Locale locale) {
    if (chrono == IsoChronology.INSTANCE
            || !(field instanceof ChronoField)) {
        return getText(field, value, style, locale);
    }

    int fieldIndex;
    int fieldValue;
    if (field == ERA) {
        fieldIndex = Calendar.ERA;
        if (chrono == JapaneseChronology.INSTANCE) {
            if (value == -999) {
                fieldValue = 0;
            } else {
                fieldValue = (int) value + 2;
            }
        } else {
            fieldValue = (int) value;
        }
    } else if (field == MONTH_OF_YEAR) {
        fieldIndex = Calendar.MONTH;
        fieldValue = (int) value - 1;
    } else if (field == DAY_OF_WEEK) {
        fieldIndex = Calendar.DAY_OF_WEEK;
        fieldValue = (int) value + 1;
        if (fieldValue > 7) {
            fieldValue = Calendar.SUNDAY;
        }
    } else if (field == AMPM_OF_DAY) {
        fieldIndex = Calendar.AM_PM;
        fieldValue = (int) value;
    } else {
        return null;
    }
    return CalendarDataUtility.retrieveJavaTimeFieldValueName(
            chrono.getCalendarType(), fieldIndex, fieldValue, style.toCalendarStyle(), locale);
}
 

import java.time.chrono.IsoChronology; //导入依赖的package包/类
/**
 * Creates a transition instance for the specified year.
 * <p>
 * Calculations are performed using the ISO-8601 chronology.
 *
 * @param year  the year to create a transition for, not null
 * @return the transition instance, not null
 */
public ZoneOffsetTransition createTransition(int year) {
    LocalDate date;
    if (dom < 0) {
        date = LocalDate.of(year, month, month.length(IsoChronology.INSTANCE.isLeapYear(year)) + 1 + dom);
        if (dow != null) {
            date = date.with(previousOrSame(dow));
        }
    } else {
        date = LocalDate.of(year, month, dom);
        if (dow != null) {
            date = date.with(nextOrSame(dow));
        }
    }
    if (timeEndOfDay) {
        date = date.plusDays(1);
    }
    LocalDateTime localDT = LocalDateTime.of(date, time);
    LocalDateTime transition = timeDefinition.createDateTime(localDT, standardOffset, offsetBefore);
    return new ZoneOffsetTransition(transition, offsetBefore, offsetAfter);
}
 

import java.time.chrono.IsoChronology; //导入依赖的package包/类
@Test(dataProvider = "resolve_yd")
public void test_resolve_yd_smart(int y, int d, LocalDate expected, boolean smart, boolean strict) {
    Map<TemporalField, Long> fieldValues = new HashMap<>();
    fieldValues.put(ChronoField.YEAR, (long) y);
    fieldValues.put(ChronoField.DAY_OF_YEAR, (long) d);
    if (smart) {
        LocalDate date = IsoChronology.INSTANCE.resolveDate(fieldValues, ResolverStyle.SMART);
        assertEquals(date, expected);
        assertEquals(fieldValues.size(), 0);
    } else {
        try {
            IsoChronology.INSTANCE.resolveDate(fieldValues, ResolverStyle.SMART);
            fail("Should have failed");
        } catch (DateTimeException ex) {
            // expected
        }
    }
}
 

import java.time.chrono.IsoChronology; //导入依赖的package包/类
@Test(dataProvider = "RangeVersusCalendar")
public void test_IsoChrono_vsCalendar(LocalDate isoStartDate, LocalDate isoEndDate) {
    GregorianCalendar cal = new GregorianCalendar();
    assertEquals(cal.getCalendarType(), "gregory", "Unexpected calendar type");
    LocalDate isoDate = IsoChronology.INSTANCE.date(isoStartDate);

    cal.setTimeZone(TimeZone.getTimeZone("GMT+00"));
    cal.set(Calendar.YEAR, isoDate.get(YEAR));
    cal.set(Calendar.MONTH, isoDate.get(MONTH_OF_YEAR) - 1);
    cal.set(Calendar.DAY_OF_MONTH, isoDate.get(DAY_OF_MONTH));

    while (isoDate.isBefore(isoEndDate)) {
        assertEquals(isoDate.get(DAY_OF_MONTH), cal.get(Calendar.DAY_OF_MONTH), "Day mismatch in " + isoDate + ";  cal: " + cal);
        assertEquals(isoDate.get(MONTH_OF_YEAR), cal.get(Calendar.MONTH) + 1, "Month mismatch in " + isoDate);
        assertEquals(isoDate.get(YEAR_OF_ERA), cal.get(Calendar.YEAR), "Year mismatch in " + isoDate);

        isoDate = isoDate.plus(1, ChronoUnit.DAYS);
        cal.add(Calendar.DAY_OF_MONTH, 1);
    }
}
 

import java.time.chrono.IsoChronology; //导入依赖的package包/类
@Override
public boolean format(DateTimePrintContext context, StringBuilder buf) {
    Long value = context.getValue(field);
    if (value == null) {
        return false;
    }
    String text;
    Chronology chrono = context.getTemporal().query(TemporalQueries.chronology());
    if (chrono == null || chrono == IsoChronology.INSTANCE) {
        text = provider.getText(field, value, textStyle, context.getLocale());
    } else {
        text = provider.getText(chrono, field, value, textStyle, context.getLocale());
    }
    if (text == null) {
        return numberPrinterParser().format(context, buf);
    }
    buf.append(text);
    return true;
}
 

import java.time.chrono.IsoChronology; //导入依赖的package包/类
@Test(dataProvider = "resolve_ymd")
public void test_resolve_ymd_strict(int y, int m, int d, LocalDate expected, Object smart, boolean strict) {
    Map<TemporalField, Long> fieldValues = new HashMap<>();
    fieldValues.put(ChronoField.YEAR, (long) y);
    fieldValues.put(ChronoField.MONTH_OF_YEAR, (long) m);
    fieldValues.put(ChronoField.DAY_OF_MONTH, (long) d);
    if (strict) {
        LocalDate date = IsoChronology.INSTANCE.resolveDate(fieldValues, ResolverStyle.STRICT);
        assertEquals(date, expected);
        assertEquals(fieldValues.size(), 0);
    } else {
        try {
            IsoChronology.INSTANCE.resolveDate(fieldValues, ResolverStyle.STRICT);
            fail("Should have failed");
        } catch (DateTimeException ex) {
            // expected
        }
    }
}
 

import java.time.chrono.IsoChronology; //导入依赖的package包/类
@Test(dataProvider = "resolve_yearOfEra")
public void test_resolve_yearOfEra(ResolverStyle style, Integer e, Integer yoe, Integer y, ChronoField field, Integer expected) {
    Map<TemporalField, Long> fieldValues = new HashMap<>();
    if (e != null) {
        fieldValues.put(ChronoField.ERA, (long) e);
    }
    if (yoe != null) {
        fieldValues.put(ChronoField.YEAR_OF_ERA, (long) yoe);
    }
    if (y != null) {
        fieldValues.put(ChronoField.YEAR, (long) y);
    }
    if (field != null) {
        LocalDate date = IsoChronology.INSTANCE.resolveDate(fieldValues, style);
        assertEquals(date, null);
        assertEquals(fieldValues.get(field), (Long) expected.longValue());
        assertEquals(fieldValues.size(), 1);
    } else {
        try {
            IsoChronology.INSTANCE.resolveDate(fieldValues, style);
            fail("Should have failed");
        } catch (DateTimeException ex) {
            // expected
        }
    }
}
 

import java.time.chrono.IsoChronology; //导入依赖的package包/类
@DataProvider(name = "invalidSerialformClasses")
Object[][] invalid_serial_classes() {
    return new Object[][]{
        {IsoChronology.class},
        {JapaneseChronology.class},
        {MinguoChronology.class},
        {ThaiBuddhistChronology.class},
        {HijrahChronology.class},
    };
}
 

import java.time.chrono.IsoChronology; //导入依赖的package包/类
@Test(dataProvider = "resolve_ymd")
public void test_resolve_ymd_lenient(int y, int m, int d, LocalDate expected, Object smart, boolean strict) {
    Map<TemporalField, Long> fieldValues = new HashMap<>();
    fieldValues.put(ChronoField.YEAR, (long) y);
    fieldValues.put(ChronoField.MONTH_OF_YEAR, (long) m);
    fieldValues.put(ChronoField.DAY_OF_MONTH, (long) d);
    LocalDate date = IsoChronology.INSTANCE.resolveDate(fieldValues, ResolverStyle.LENIENT);
    assertEquals(date, expected);
    assertEquals(fieldValues.size(), 0);
}
 

import java.time.chrono.IsoChronology; //导入依赖的package包/类
@DataProvider(name="query")
Object[][] data_query() {
    return new Object[][] {
            {TEST_2007_07_15, TemporalQueries.chronology(), IsoChronology.INSTANCE},
            {TEST_2007_07_15, TemporalQueries.zoneId(), null},
            {TEST_2007_07_15, TemporalQueries.precision(), ChronoUnit.DAYS},
            {TEST_2007_07_15, TemporalQueries.zone(), null},
            {TEST_2007_07_15, TemporalQueries.offset(), null},
            {TEST_2007_07_15, TemporalQueries.localDate(), TEST_2007_07_15},
            {TEST_2007_07_15, TemporalQueries.localTime(), null},
    };
}
 

import java.time.chrono.IsoChronology; //导入依赖的package包/类
/**
 * Obtains an instance of {@code Period} from a temporal amount.
 * <p>
 * This obtains a period based on the specified amount.
 * A {@code TemporalAmount} represents an  amount of time, which may be
 * date-based or time-based, which this factory extracts to a {@code Period}.
 * <p>
 * The conversion loops around the set of units from the amount and uses
 * the {@link ChronoUnit#YEARS YEARS}, {@link ChronoUnit#MONTHS MONTHS}
 * and {@link ChronoUnit#DAYS DAYS} units to create a period.
 * If any other units are found then an exception is thrown.
 * <p>
 * If the amount is a {@code ChronoPeriod} then it must use the ISO chronology.
 *
 * @param amount  the temporal amount to convert, not null
 * @return the equivalent period, not null
 * @throws DateTimeException if unable to convert to a {@code Period}
 * @throws ArithmeticException if the amount of years, months or days exceeds an int
 */
public static Period from(TemporalAmount amount) {
    if (amount instanceof Period) {
        return (Period) amount;
    }
    if (amount instanceof ChronoPeriod) {
        if (IsoChronology.INSTANCE.equals(((ChronoPeriod) amount).getChronology()) == false) {
            throw new DateTimeException("Period requires ISO chronology: " + amount);
        }
    }
    Objects.requireNonNull(amount, "amount");
    int years = 0;
    int months = 0;
    int days = 0;
    for (TemporalUnit unit : amount.getUnits()) {
        long unitAmount = amount.get(unit);
        if (unit == ChronoUnit.YEARS) {
            years = Math.toIntExact(unitAmount);
        } else if (unit == ChronoUnit.MONTHS) {
            months = Math.toIntExact(unitAmount);
        } else if (unit == ChronoUnit.DAYS) {
            days = Math.toIntExact(unitAmount);
        } else {
            throw new DateTimeException("Unit must be Years, Months or Days, but was " + unit);
        }
    }
    return create(years, months, days);
}
 

import java.time.chrono.IsoChronology; //导入依赖的package包/类
/**
 * Validates that the temporal has the correct chronology.
 */
private void validateChrono(TemporalAccessor temporal) {
    Objects.requireNonNull(temporal, "temporal");
    Chronology temporalChrono = temporal.query(TemporalQueries.chronology());
    if (temporalChrono != null && IsoChronology.INSTANCE.equals(temporalChrono) == false) {
        throw new DateTimeException("Chronology mismatch, expected: ISO, actual: " + temporalChrono.getId());
    }
}