Examples with Era sun.util.calendar.Era used on opensource projects

Example 6 with Era

use of sun.util.calendar.Era in project Bytecoder by mirkosertic.

the class JapaneseImperialCalendar method getFixedDateJan1.

/**
 * Returns the fixed date of the first day of the year (usually
 * January 1) before the specified date.
 *
 * @param date the date for which the first day of the year is
 * calculated. The date has to be in the cut-over year.
 * @param fixedDate the fixed date representation of the date
 */
private long getFixedDateJan1(LocalGregorianCalendar.Date date, long fixedDate) {
    Era era = date.getEra();
    if (date.getEra() != null && date.getYear() == 1) {
        for (int eraIndex = getEraIndex(date); eraIndex > 0; eraIndex--) {
            CalendarDate d = eras[eraIndex].getSinceDate();
            long fd = gcal.getFixedDate(d);
            // There might be multiple era transitions in a year.
            if (fd > fixedDate) {
                continue;
            }
            return fd;
        }
    }
    CalendarDate d = gcal.newCalendarDate(TimeZone.NO_TIMEZONE);
    d.setDate(date.getNormalizedYear(), Gregorian.JANUARY, 1);
    return gcal.getFixedDate(d);
}

Example 7 with Era

use of sun.util.calendar.Era in project jdk8u_jdk by JetBrains.

the class JapaneseImperialCalendar method getDisplayNames.

@Override
public Map<String, Integer> getDisplayNames(int field, int style, Locale locale) {
    if (!checkDisplayNameParams(field, style, ALL_STYLES, NARROW_FORMAT, locale, ERA_MASK | YEAR_MASK | MONTH_MASK | DAY_OF_WEEK_MASK | AM_PM_MASK)) {
        return null;
    }
    Map<String, Integer> names;
    names = CalendarDataUtility.retrieveFieldValueNames(getCalendarType(), field, style, locale);
    // If strings[] has fewer than eras[], get more names from eras[].
    if (names != null) {
        if (field == ERA) {
            int size = names.size();
            if (style == ALL_STYLES) {
                Set<Integer> values = new HashSet<>();
                // count unique era values
                for (String key : names.keySet()) {
                    values.add(names.get(key));
                }
                size = values.size();
            }
            if (size < eras.length) {
                int baseStyle = getBaseStyle(style);
                for (int i = size; i < eras.length; i++) {
                    Era era = eras[i];
                    if (baseStyle == ALL_STYLES || baseStyle == SHORT || baseStyle == NARROW_FORMAT) {
                        names.put(era.getAbbreviation(), i);
                    }
                    if (baseStyle == ALL_STYLES || baseStyle == LONG) {
                        names.put(era.getName(), i);
                    }
                }
            }
        }
    }
    return names;
}

Example 8 with Era

use of sun.util.calendar.Era in project Bytecoder by mirkosertic.

the class GregorianCalendar method computeFields.

/**
 * This computeFields implements the conversion from UTC
 * (millisecond offset from the Epoch) to calendar
 * field values. fieldMask specifies which fields to change the
 * setting state to COMPUTED, although all fields are set to
 * the correct values. This is required to fix 4685354.
 *
 * @param fieldMask a bit mask to specify which fields to change
 * the setting state.
 * @param tzMask a bit mask to specify which time zone offset
 * fields to be used for time calculations
 * @return a new field mask that indicates what field values have
 * actually been set.
 */
private int computeFields(int fieldMask, int tzMask) {
    int zoneOffset = 0;
    TimeZone tz = getZone();
    if (zoneOffsets == null) {
        zoneOffsets = new int[2];
    }
    if (tzMask != (ZONE_OFFSET_MASK | DST_OFFSET_MASK)) {
        if (tz instanceof ZoneInfo) {
            zoneOffset = ((ZoneInfo) tz).getOffsets(time, zoneOffsets);
        } else {
            zoneOffset = tz.getOffset(time);
            zoneOffsets[0] = tz.getRawOffset();
            zoneOffsets[1] = zoneOffset - zoneOffsets[0];
        }
    }
    if (tzMask != 0) {
        if (isFieldSet(tzMask, ZONE_OFFSET)) {
            zoneOffsets[0] = internalGet(ZONE_OFFSET);
        }
        if (isFieldSet(tzMask, DST_OFFSET)) {
            zoneOffsets[1] = internalGet(DST_OFFSET);
        }
        zoneOffset = zoneOffsets[0] + zoneOffsets[1];
    }
    // By computing time and zoneOffset separately, we can take
    // the wider range of time+zoneOffset than the previous
    // implementation.
    long fixedDate = zoneOffset / ONE_DAY;
    int timeOfDay = zoneOffset % (int) ONE_DAY;
    fixedDate += time / ONE_DAY;
    timeOfDay += (int) (time % ONE_DAY);
    if (timeOfDay >= ONE_DAY) {
        timeOfDay -= ONE_DAY;
        ++fixedDate;
    } else {
        while (timeOfDay < 0) {
            timeOfDay += ONE_DAY;
            --fixedDate;
        }
    }
    fixedDate += EPOCH_OFFSET;
    int era = CE;
    int year;
    if (fixedDate >= gregorianCutoverDate) {
        // Handle Gregorian dates.
        assert cachedFixedDate == Long.MIN_VALUE || gdate.isNormalized() : "cache control: not normalized";
        assert cachedFixedDate == Long.MIN_VALUE || gcal.getFixedDate(gdate.getNormalizedYear(), gdate.getMonth(), gdate.getDayOfMonth(), gdate) == cachedFixedDate : "cache control: inconsictency" + ", cachedFixedDate=" + cachedFixedDate + ", computed=" + gcal.getFixedDate(gdate.getNormalizedYear(), gdate.getMonth(), gdate.getDayOfMonth(), gdate) + ", date=" + gdate;
        // See if we can use gdate to avoid date calculation.
        if (fixedDate != cachedFixedDate) {
            gcal.getCalendarDateFromFixedDate(gdate, fixedDate);
            cachedFixedDate = fixedDate;
        }
        year = gdate.getYear();
        if (year <= 0) {
            year = 1 - year;
            era = BCE;
        }
        calsys = gcal;
        cdate = gdate;
        assert cdate.getDayOfWeek() > 0 : "dow=" + cdate.getDayOfWeek() + ", date=" + cdate;
    } else {
        // Handle Julian calendar dates.
        calsys = getJulianCalendarSystem();
        cdate = (BaseCalendar.Date) jcal.newCalendarDate(getZone());
        jcal.getCalendarDateFromFixedDate(cdate, fixedDate);
        Era e = cdate.getEra();
        if (e == jeras[0]) {
            era = BCE;
        }
        year = cdate.getYear();
    }
    // Always set the ERA and YEAR values.
    internalSet(ERA, era);
    internalSet(YEAR, year);
    int mask = fieldMask | (ERA_MASK | YEAR_MASK);
    // 0-based
    int month = cdate.getMonth() - 1;
    int dayOfMonth = cdate.getDayOfMonth();
    // Set the basic date fields.
    if ((fieldMask & (MONTH_MASK | DAY_OF_MONTH_MASK | DAY_OF_WEEK_MASK)) != 0) {
        internalSet(MONTH, month);
        internalSet(DAY_OF_MONTH, dayOfMonth);
        internalSet(DAY_OF_WEEK, cdate.getDayOfWeek());
        mask |= MONTH_MASK | DAY_OF_MONTH_MASK | DAY_OF_WEEK_MASK;
    }
    if ((fieldMask & (HOUR_OF_DAY_MASK | AM_PM_MASK | HOUR_MASK | MINUTE_MASK | SECOND_MASK | MILLISECOND_MASK)) != 0) {
        if (timeOfDay != 0) {
            int hours = timeOfDay / ONE_HOUR;
            internalSet(HOUR_OF_DAY, hours);
            // Assume AM == 0
            internalSet(AM_PM, hours / 12);
            internalSet(HOUR, hours % 12);
            int r = timeOfDay % ONE_HOUR;
            internalSet(MINUTE, r / ONE_MINUTE);
            r %= ONE_MINUTE;
            internalSet(SECOND, r / ONE_SECOND);
            internalSet(MILLISECOND, r % ONE_SECOND);
        } else {
            internalSet(HOUR_OF_DAY, 0);
            internalSet(AM_PM, AM);
            internalSet(HOUR, 0);
            internalSet(MINUTE, 0);
            internalSet(SECOND, 0);
            internalSet(MILLISECOND, 0);
        }
        mask |= (HOUR_OF_DAY_MASK | AM_PM_MASK | HOUR_MASK | MINUTE_MASK | SECOND_MASK | MILLISECOND_MASK);
    }
    if ((fieldMask & (ZONE_OFFSET_MASK | DST_OFFSET_MASK)) != 0) {
        internalSet(ZONE_OFFSET, zoneOffsets[0]);
        internalSet(DST_OFFSET, zoneOffsets[1]);
        mask |= (ZONE_OFFSET_MASK | DST_OFFSET_MASK);
    }
    if ((fieldMask & (DAY_OF_YEAR_MASK | WEEK_OF_YEAR_MASK | WEEK_OF_MONTH_MASK | DAY_OF_WEEK_IN_MONTH_MASK)) != 0) {
        int normalizedYear = cdate.getNormalizedYear();
        long fixedDateJan1 = calsys.getFixedDate(normalizedYear, 1, 1, cdate);
        int dayOfYear = (int) (fixedDate - fixedDateJan1) + 1;
        long fixedDateMonth1 = fixedDate - dayOfMonth + 1;
        int cutoverGap = 0;
        int cutoverYear = (calsys == gcal) ? gregorianCutoverYear : gregorianCutoverYearJulian;
        int relativeDayOfMonth = dayOfMonth - 1;
        // If we are in the cutover year, we need some special handling.
        if (normalizedYear == cutoverYear) {
            // Need to take care of the "missing" days.
            if (gregorianCutoverYearJulian <= gregorianCutoverYear) {
                // We need to find out where we are. The cutover
                // gap could even be more than one year.  (One
                // year difference in ~48667 years.)
                fixedDateJan1 = getFixedDateJan1(cdate, fixedDate);
                if (fixedDate >= gregorianCutoverDate) {
                    fixedDateMonth1 = getFixedDateMonth1(cdate, fixedDate);
                }
            }
            int realDayOfYear = (int) (fixedDate - fixedDateJan1) + 1;
            cutoverGap = dayOfYear - realDayOfYear;
            dayOfYear = realDayOfYear;
            relativeDayOfMonth = (int) (fixedDate - fixedDateMonth1);
        }
        internalSet(DAY_OF_YEAR, dayOfYear);
        internalSet(DAY_OF_WEEK_IN_MONTH, relativeDayOfMonth / 7 + 1);
        int weekOfYear = getWeekNumber(fixedDateJan1, fixedDate);
        // ISO8601-style. This creates problems, though.
        if (weekOfYear == 0) {
            // If the date belongs to the last week of the
            // previous year, use the week number of "12/31" of
            // the "previous" year. Again, if the previous year is
            // the Gregorian cutover year, we need to take care of
            // it.  Usually the previous day of January 1 is
            // December 31, which is not always true in
            // GregorianCalendar.
            long fixedDec31 = fixedDateJan1 - 1;
            long prevJan1 = fixedDateJan1 - 365;
            if (normalizedYear > (cutoverYear + 1)) {
                if (CalendarUtils.isGregorianLeapYear(normalizedYear - 1)) {
                    --prevJan1;
                }
            } else if (normalizedYear <= gregorianCutoverYearJulian) {
                if (CalendarUtils.isJulianLeapYear(normalizedYear - 1)) {
                    --prevJan1;
                }
            } else {
                BaseCalendar calForJan1 = calsys;
                // int prevYear = normalizedYear - 1;
                int prevYear = getCalendarDate(fixedDec31).getNormalizedYear();
                if (prevYear == gregorianCutoverYear) {
                    calForJan1 = getCutoverCalendarSystem();
                    if (calForJan1 == jcal) {
                        prevJan1 = calForJan1.getFixedDate(prevYear, BaseCalendar.JANUARY, 1, null);
                    } else {
                        prevJan1 = gregorianCutoverDate;
                        calForJan1 = gcal;
                    }
                } else if (prevYear <= gregorianCutoverYearJulian) {
                    calForJan1 = getJulianCalendarSystem();
                    prevJan1 = calForJan1.getFixedDate(prevYear, BaseCalendar.JANUARY, 1, null);
                }
            }
            weekOfYear = getWeekNumber(prevJan1, fixedDec31);
        } else {
            if (normalizedYear > gregorianCutoverYear || normalizedYear < (gregorianCutoverYearJulian - 1)) {
                // Regular years
                if (weekOfYear >= 52) {
                    long nextJan1 = fixedDateJan1 + 365;
                    if (cdate.isLeapYear()) {
                        nextJan1++;
                    }
                    long nextJan1st = BaseCalendar.getDayOfWeekDateOnOrBefore(nextJan1 + 6, getFirstDayOfWeek());
                    int ndays = (int) (nextJan1st - nextJan1);
                    if (ndays >= getMinimalDaysInFirstWeek() && fixedDate >= (nextJan1st - 7)) {
                        // The first days forms a week in which the date is included.
                        weekOfYear = 1;
                    }
                }
            } else {
                BaseCalendar calForJan1 = calsys;
                int nextYear = normalizedYear + 1;
                if (nextYear == (gregorianCutoverYearJulian + 1) && nextYear < gregorianCutoverYear) {
                    // In case the gap is more than one year.
                    nextYear = gregorianCutoverYear;
                }
                if (nextYear == gregorianCutoverYear) {
                    calForJan1 = getCutoverCalendarSystem();
                }
                long nextJan1;
                if (nextYear > gregorianCutoverYear || gregorianCutoverYearJulian == gregorianCutoverYear || nextYear == gregorianCutoverYearJulian) {
                    nextJan1 = calForJan1.getFixedDate(nextYear, BaseCalendar.JANUARY, 1, null);
                } else {
                    nextJan1 = gregorianCutoverDate;
                    calForJan1 = gcal;
                }
                long nextJan1st = BaseCalendar.getDayOfWeekDateOnOrBefore(nextJan1 + 6, getFirstDayOfWeek());
                int ndays = (int) (nextJan1st - nextJan1);
                if (ndays >= getMinimalDaysInFirstWeek() && fixedDate >= (nextJan1st - 7)) {
                    // The first days forms a week in which the date is included.
                    weekOfYear = 1;
                }
            }
        }
        internalSet(WEEK_OF_YEAR, weekOfYear);
        internalSet(WEEK_OF_MONTH, getWeekNumber(fixedDateMonth1, fixedDate));
        mask |= (DAY_OF_YEAR_MASK | WEEK_OF_YEAR_MASK | WEEK_OF_MONTH_MASK | DAY_OF_WEEK_IN_MONTH_MASK);
    }
    return mask;
}

Example 9 with Era

use of sun.util.calendar.Era in project Bytecoder by mirkosertic.

the class JapaneseImperialCalendar method getDisplayName.

@Override
public String getDisplayName(int field, int style, Locale locale) {
    if (!checkDisplayNameParams(field, style, SHORT, NARROW_FORMAT, locale, ERA_MASK | YEAR_MASK | MONTH_MASK | DAY_OF_WEEK_MASK | AM_PM_MASK)) {
        return null;
    }
    int fieldValue = get(field);
    // "GanNen" is supported only in the LONG style.
    if (field == YEAR && (getBaseStyle(style) != LONG || fieldValue != 1 || get(ERA) == 0)) {
        return null;
    }
    String name = CalendarDataUtility.retrieveFieldValueName(getCalendarType(), field, fieldValue, style, locale);
    // try to get its name or abbreviation from the Era instance.
    if (name == null && field == ERA && fieldValue < eras.length) {
        Era era = eras[fieldValue];
        name = (style == SHORT) ? era.getAbbreviation() : era.getName();
    }
    return name;
}

Example 10 with Era

use of sun.util.calendar.Era in project j2objc by google.

the class GregorianCalendar method computeFields.

/**
 * This computeFields implements the conversion from UTC
 * (millisecond offset from the Epoch) to calendar
 * field values. fieldMask specifies which fields to change the
 * setting state to COMPUTED, although all fields are set to
 * the correct values. This is required to fix 4685354.
 *
 * @param fieldMask a bit mask to specify which fields to change
 * the setting state.
 * @param tzMask a bit mask to specify which time zone offset
 * fields to be used for time calculations
 * @return a new field mask that indicates what field values have
 * actually been set.
 */
private int computeFields(int fieldMask, int tzMask) {
    int zoneOffset = 0;
    TimeZone tz = getZone();
    if (zoneOffsets == null) {
        zoneOffsets = new int[2];
    }
    if (tzMask != (ZONE_OFFSET_MASK | DST_OFFSET_MASK)) {
        // J2ObjC modified: Use NativeTimeZone instead of ZoneInfo.
        if (tz instanceof NativeTimeZone) {
            zoneOffset = ((NativeTimeZone) tz).getOffsetsByUtcTime(time, zoneOffsets);
        } else {
            zoneOffset = tz.getOffset(time);
            zoneOffsets[0] = tz.getRawOffset();
            zoneOffsets[1] = zoneOffset - zoneOffsets[0];
        }
    }
    if (tzMask != 0) {
        if (isFieldSet(tzMask, ZONE_OFFSET)) {
            zoneOffsets[0] = internalGet(ZONE_OFFSET);
        }
        if (isFieldSet(tzMask, DST_OFFSET)) {
            zoneOffsets[1] = internalGet(DST_OFFSET);
        }
        zoneOffset = zoneOffsets[0] + zoneOffsets[1];
    }
    // By computing time and zoneOffset separately, we can take
    // the wider range of time+zoneOffset than the previous
    // implementation.
    long fixedDate = zoneOffset / ONE_DAY;
    int timeOfDay = zoneOffset % (int) ONE_DAY;
    fixedDate += time / ONE_DAY;
    timeOfDay += (int) (time % ONE_DAY);
    if (timeOfDay >= ONE_DAY) {
        timeOfDay -= ONE_DAY;
        ++fixedDate;
    } else {
        while (timeOfDay < 0) {
            timeOfDay += ONE_DAY;
            --fixedDate;
        }
    }
    fixedDate += EPOCH_OFFSET;
    int era = CE;
    int year;
    if (fixedDate >= gregorianCutoverDate) {
        // Handle Gregorian dates.
        assert cachedFixedDate == Long.MIN_VALUE || gdate.isNormalized() : "cache control: not normalized";
        assert cachedFixedDate == Long.MIN_VALUE || gcal.getFixedDate(gdate.getNormalizedYear(), gdate.getMonth(), gdate.getDayOfMonth(), gdate) == cachedFixedDate : "cache control: inconsictency" + ", cachedFixedDate=" + cachedFixedDate + ", computed=" + gcal.getFixedDate(gdate.getNormalizedYear(), gdate.getMonth(), gdate.getDayOfMonth(), gdate) + ", date=" + gdate;
        // See if we can use gdate to avoid date calculation.
        if (fixedDate != cachedFixedDate) {
            gcal.getCalendarDateFromFixedDate(gdate, fixedDate);
            cachedFixedDate = fixedDate;
        }
        year = gdate.getYear();
        if (year <= 0) {
            year = 1 - year;
            era = BCE;
        }
        calsys = gcal;
        cdate = gdate;
        assert cdate.getDayOfWeek() > 0 : "dow=" + cdate.getDayOfWeek() + ", date=" + cdate;
    } else {
        // Handle Julian calendar dates.
        calsys = getJulianCalendarSystem();
        cdate = (BaseCalendar.Date) jcal.newCalendarDate(getZone());
        jcal.getCalendarDateFromFixedDate(cdate, fixedDate);
        Era e = cdate.getEra();
        if (e == jeras[0]) {
            era = BCE;
        }
        year = cdate.getYear();
    }
    // Always set the ERA and YEAR values.
    internalSet(ERA, era);
    internalSet(YEAR, year);
    int mask = fieldMask | (ERA_MASK | YEAR_MASK);
    // 0-based
    int month = cdate.getMonth() - 1;
    int dayOfMonth = cdate.getDayOfMonth();
    // Set the basic date fields.
    if ((fieldMask & (MONTH_MASK | DAY_OF_MONTH_MASK | DAY_OF_WEEK_MASK)) != 0) {
        internalSet(MONTH, month);
        internalSet(DAY_OF_MONTH, dayOfMonth);
        internalSet(DAY_OF_WEEK, cdate.getDayOfWeek());
        mask |= MONTH_MASK | DAY_OF_MONTH_MASK | DAY_OF_WEEK_MASK;
    }
    if ((fieldMask & (HOUR_OF_DAY_MASK | AM_PM_MASK | HOUR_MASK | MINUTE_MASK | SECOND_MASK | MILLISECOND_MASK)) != 0) {
        if (timeOfDay != 0) {
            int hours = timeOfDay / ONE_HOUR;
            internalSet(HOUR_OF_DAY, hours);
            // Assume AM == 0
            internalSet(AM_PM, hours / 12);
            internalSet(HOUR, hours % 12);
            int r = timeOfDay % ONE_HOUR;
            internalSet(MINUTE, r / ONE_MINUTE);
            r %= ONE_MINUTE;
            internalSet(SECOND, r / ONE_SECOND);
            internalSet(MILLISECOND, r % ONE_SECOND);
        } else {
            internalSet(HOUR_OF_DAY, 0);
            internalSet(AM_PM, AM);
            internalSet(HOUR, 0);
            internalSet(MINUTE, 0);
            internalSet(SECOND, 0);
            internalSet(MILLISECOND, 0);
        }
        mask |= (HOUR_OF_DAY_MASK | AM_PM_MASK | HOUR_MASK | MINUTE_MASK | SECOND_MASK | MILLISECOND_MASK);
    }
    if ((fieldMask & (ZONE_OFFSET_MASK | DST_OFFSET_MASK)) != 0) {
        internalSet(ZONE_OFFSET, zoneOffsets[0]);
        internalSet(DST_OFFSET, zoneOffsets[1]);
        mask |= (ZONE_OFFSET_MASK | DST_OFFSET_MASK);
    }
    if ((fieldMask & (DAY_OF_YEAR_MASK | WEEK_OF_YEAR_MASK | WEEK_OF_MONTH_MASK | DAY_OF_WEEK_IN_MONTH_MASK)) != 0) {
        int normalizedYear = cdate.getNormalizedYear();
        long fixedDateJan1 = calsys.getFixedDate(normalizedYear, 1, 1, cdate);
        int dayOfYear = (int) (fixedDate - fixedDateJan1) + 1;
        long fixedDateMonth1 = fixedDate - dayOfMonth + 1;
        int cutoverGap = 0;
        int cutoverYear = (calsys == gcal) ? gregorianCutoverYear : gregorianCutoverYearJulian;
        int relativeDayOfMonth = dayOfMonth - 1;
        // If we are in the cutover year, we need some special handling.
        if (normalizedYear == cutoverYear) {
            // Need to take care of the "missing" days.
            if (gregorianCutoverYearJulian <= gregorianCutoverYear) {
                // We need to find out where we are. The cutover
                // gap could even be more than one year.  (One
                // year difference in ~48667 years.)
                fixedDateJan1 = getFixedDateJan1(cdate, fixedDate);
                if (fixedDate >= gregorianCutoverDate) {
                    fixedDateMonth1 = getFixedDateMonth1(cdate, fixedDate);
                }
            }
            int realDayOfYear = (int) (fixedDate - fixedDateJan1) + 1;
            cutoverGap = dayOfYear - realDayOfYear;
            dayOfYear = realDayOfYear;
            relativeDayOfMonth = (int) (fixedDate - fixedDateMonth1);
        }
        internalSet(DAY_OF_YEAR, dayOfYear);
        internalSet(DAY_OF_WEEK_IN_MONTH, relativeDayOfMonth / 7 + 1);
        int weekOfYear = getWeekNumber(fixedDateJan1, fixedDate);
        // ISO8601-style. This creates problems, though.
        if (weekOfYear == 0) {
            // If the date belongs to the last week of the
            // previous year, use the week number of "12/31" of
            // the "previous" year. Again, if the previous year is
            // the Gregorian cutover year, we need to take care of
            // it.  Usually the previous day of January 1 is
            // December 31, which is not always true in
            // GregorianCalendar.
            long fixedDec31 = fixedDateJan1 - 1;
            long prevJan1 = fixedDateJan1 - 365;
            if (normalizedYear > (cutoverYear + 1)) {
                if (CalendarUtils.isGregorianLeapYear(normalizedYear - 1)) {
                    --prevJan1;
                }
            } else if (normalizedYear <= gregorianCutoverYearJulian) {
                if (CalendarUtils.isJulianLeapYear(normalizedYear - 1)) {
                    --prevJan1;
                }
            } else {
                BaseCalendar calForJan1 = calsys;
                // int prevYear = normalizedYear - 1;
                int prevYear = getCalendarDate(fixedDec31).getNormalizedYear();
                if (prevYear == gregorianCutoverYear) {
                    calForJan1 = getCutoverCalendarSystem();
                    if (calForJan1 == jcal) {
                        prevJan1 = calForJan1.getFixedDate(prevYear, BaseCalendar.JANUARY, 1, null);
                    } else {
                        prevJan1 = gregorianCutoverDate;
                        calForJan1 = gcal;
                    }
                } else if (prevYear <= gregorianCutoverYearJulian) {
                    calForJan1 = getJulianCalendarSystem();
                    prevJan1 = calForJan1.getFixedDate(prevYear, BaseCalendar.JANUARY, 1, null);
                }
            }
            weekOfYear = getWeekNumber(prevJan1, fixedDec31);
        } else {
            if (normalizedYear > gregorianCutoverYear || normalizedYear < (gregorianCutoverYearJulian - 1)) {
                // Regular years
                if (weekOfYear >= 52) {
                    long nextJan1 = fixedDateJan1 + 365;
                    if (cdate.isLeapYear()) {
                        nextJan1++;
                    }
                    long nextJan1st = BaseCalendar.getDayOfWeekDateOnOrBefore(nextJan1 + 6, getFirstDayOfWeek());
                    int ndays = (int) (nextJan1st - nextJan1);
                    if (ndays >= getMinimalDaysInFirstWeek() && fixedDate >= (nextJan1st - 7)) {
                        // The first days forms a week in which the date is included.
                        weekOfYear = 1;
                    }
                }
            } else {
                BaseCalendar calForJan1 = calsys;
                int nextYear = normalizedYear + 1;
                if (nextYear == (gregorianCutoverYearJulian + 1) && nextYear < gregorianCutoverYear) {
                    // In case the gap is more than one year.
                    nextYear = gregorianCutoverYear;
                }
                if (nextYear == gregorianCutoverYear) {
                    calForJan1 = getCutoverCalendarSystem();
                }
                long nextJan1;
                if (nextYear > gregorianCutoverYear || gregorianCutoverYearJulian == gregorianCutoverYear || nextYear == gregorianCutoverYearJulian) {
                    nextJan1 = calForJan1.getFixedDate(nextYear, BaseCalendar.JANUARY, 1, null);
                } else {
                    nextJan1 = gregorianCutoverDate;
                    calForJan1 = gcal;
                }
                long nextJan1st = BaseCalendar.getDayOfWeekDateOnOrBefore(nextJan1 + 6, getFirstDayOfWeek());
                int ndays = (int) (nextJan1st - nextJan1);
                if (ndays >= getMinimalDaysInFirstWeek() && fixedDate >= (nextJan1st - 7)) {
                    // The first days forms a week in which the date is included.
                    weekOfYear = 1;
                }
            }
        }
        internalSet(WEEK_OF_YEAR, weekOfYear);
        internalSet(WEEK_OF_MONTH, getWeekNumber(fixedDateMonth1, fixedDate));
        mask |= (DAY_OF_YEAR_MASK | WEEK_OF_YEAR_MASK | WEEK_OF_MONTH_MASK | DAY_OF_WEEK_IN_MONTH_MASK);
    }
    return mask;
}