Examples with NativeTimeZone com.google.j2objc.util.NativeTimeZone used on opensource projects

Example 1 with NativeTimeZone

use of com.google.j2objc.util.NativeTimeZone 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;
}

Example 2 with NativeTimeZone

use of com.google.j2objc.util.NativeTimeZone in project j2objc by google.

the class TimeZoneTest method checkThawed.

private void checkThawed(TimeZone[] thawedZones, String zaName) {
    for (int i = 0; i < thawedZones.length; i++) {
        if (thawedZones[i].isFrozen()) {
            errln("Fail: " + zaName + "[" + i + "] is frozen.");
        }
        // clone
        TimeZone copy = (TimeZone) thawedZones[i].clone();
        if (thawedZones[i] == copy || !thawedZones[i].equals(copy)) {
            errln("Fail: " + zaName + "[" + i + "] - clone does not work.");
        }
        // cloneAsThawed
        TimeZone thawed = (TimeZone) thawedZones[i].cloneAsThawed();
        if (thawed.isFrozen() || !thawedZones[i].equals(thawed)) {
            errln("Fail: " + zaName + "[" + i + "] - cloneAsThawed does not work.");
        }
        // setID
        try {
            String newID = "foo";
            thawedZones[i].setID(newID);
            if (!thawedZones[i].getID().equals(newID)) {
                errln("Fail: " + zaName + "[" + i + "] - setID(\"" + newID + "\") does not work.");
            }
        } catch (UnsupportedOperationException e) {
            errln("Fail: " + zaName + "[" + i + "] - setID throws UnsupportedOperationException.");
        }
        // setRawOffset
        // J2ObjC: RuleBasedTimeZone and NativeTimeZone do not support setRawOffset.
        boolean isNativeTimeZone = Optional.of(thawedZones[i]).filter(JavaTimeZone.class::isInstance).map(JavaTimeZone.class::cast).map(JavaTimeZone::unwrap).filter(NativeTimeZone.class::isInstance).isPresent();
        if (!(thawedZones[i] instanceof RuleBasedTimeZone) && !isNativeTimeZone) {
            try {
                int newOffset = -3600000;
                thawedZones[i].setRawOffset(newOffset);
                if (thawedZones[i].getRawOffset() != newOffset) {
                    errln("Fail: " + zaName + "[" + i + "] - setRawOffset(" + newOffset + ") does not work.");
                }
            } catch (UnsupportedOperationException e) {
                errln("Fail: " + zaName + "[" + i + "] - setRawOffset throws UnsupportedOperationException.");
            }
        }
        if (thawedZones[i] instanceof SimpleTimeZone) {
            SimpleTimeZone stz = (SimpleTimeZone) thawedZones[i];
            // setDSTSavings
            try {
                int newDSTSavings = 1800000;
                stz.setDSTSavings(newDSTSavings);
                if (stz.getDSTSavings() != newDSTSavings) {
                    errln("Fail: (SimpleTimeZone)" + zaName + "[" + i + "] - setDSTSavings(" + newDSTSavings + ") does not work.");
                }
            } catch (UnsupportedOperationException e) {
                errln("Fail: (SimpleTimeZone)" + zaName + "[" + i + "] - setDSTSavings throws UnsupportedOperationException.");
            }
            // setStartRule
            try {
                stz.setStartRule(Calendar.JANUARY, -1, Calendar.SUNDAY, 0);
            } catch (UnsupportedOperationException e) {
                errln("Fail: (SimpleTimeZone)" + zaName + "[" + i + "] - setStartRule throws UnsupportedOperationException.");
            }
            // setEndRule
            try {
                stz.setEndRule(Calendar.DECEMBER, 1, Calendar.SUNDAY, 0);
            } catch (UnsupportedOperationException e) {
                errln("Fail: (SimpleTimeZone)" + zaName + "[" + i + "] - setEndRule throws UnsupportedOperationException.");
            }
            // setStartYear
            try {
                stz.setStartYear(2000);
            } catch (UnsupportedOperationException e) {
                errln("Fail: (SimpleTimeZone)" + zaName + "[" + i + "] - setStartYear throws UnsupportedOperationException.");
            }
        } else if (thawedZones[i] instanceof RuleBasedTimeZone) {
            RuleBasedTimeZone rbtz = (RuleBasedTimeZone) thawedZones[i];
            // addTransitionRule
            try {
                TimeArrayTimeZoneRule tr1 = new TimeArrayTimeZoneRule("tr1", 7200000, 0, new long[] { 0 }, DateTimeRule.UTC_TIME);
                rbtz.addTransitionRule(tr1);
            } catch (UnsupportedOperationException e) {
                errln("Fail: (RuleBasedTimeZone)" + zaName + "[" + i + "] - addTransitionRule throws UnsupportedOperationException.");
            }
        } else if (thawedZones[i] instanceof VTimeZone) {
            VTimeZone vtz = (VTimeZone) thawedZones[i];
            // setTZURL
            try {
                String tzUrl = "http://icu-project.org/timezone";
                vtz.setTZURL(tzUrl);
                if (!vtz.getTZURL().equals(tzUrl)) {
                    errln("Fail: (VTimeZone)" + zaName + "[" + i + "] - setTZURL does not work.");
                }
            } catch (UnsupportedOperationException e) {
                errln("Fail: (VTimeZone)" + zaName + "[" + i + "] - setTZURL throws UnsupportedOperationException.");
            }
            // setLastModified
            try {
                Date d = new Date();
                vtz.setLastModified(d);
                if (!vtz.getLastModified().equals(d)) {
                    errln("Fail: (VTimeZone)" + zaName + "[" + i + "] - setLastModified does not work.");
                }
            } catch (UnsupportedOperationException e) {
                errln("Fail: (VTimeZone)" + zaName + "[" + i + "] - setLastModified throws UnsupportedOperationException.");
            }
        }
    }
}