Examples of org.threeten.bp.LocalDateTime

org.threeten.bp.LocalDateTime
A date-time without a time-zone in the ISO-8601 calendar system, such as {@code 2007-12-03T10:15:30}.
{@code LocalDateTime} is an immutable date-time object that represents a date-time,often viewed as year-month-day-hour-minute-second. Other date and time fields, such as day-of-year, day-of-week and week-of-year, can also be accessed. Time is represented to nanosecond precision. For example, the value "2nd October 2007 at 13:45.30.123456789" can be stored in a {@code LocalDateTime}.
This class does not store or represent a time-zone. Instead, it is a description of the date, as used for birthdays, combined with the local time as seen on a wall clock. It cannot represent an instant on the time-line without additional information such as an offset or time-zone.
The ISO-8601 calendar system is the modern civil calendar system used today in most of the world. It is equivalent to the proleptic Gregorian calendar system, in which today's rules for leap years are applied for all time. For most applications written today, the ISO-8601 rules are entirely suitable. However, any application that makes use of historical dates, and requires them to be accurate will find the ISO-8601 approach unsuitable.
Specification for implementors
This class is immutable and thread-safe.

                context.setParsedLeapSecond();
                sec = 59;
            }
            long instantSecs;
            try {
                LocalDateTime ldt = LocalDateTime.of(year, month, day, hour, min, sec, 0).plusDays(days);
                instantSecs = ldt.toEpochSecond(ZoneOffset.UTC);
                instantSecs += Jdk8Methods.safeMultiply(yearParsed / 10000L, SECONDS_PER_10000_YEARS);
            } catch (RuntimeException ex) {
                return ~position;
            }
            int successPos = pos;

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        int loopSavings = 0;
        if (firstWindow.fixedSavingAmountSecs != null) {
            loopSavings = firstWindow.fixedSavingAmountSecs;
        }
        final ZoneOffset firstWallOffset = deduplicate(ZoneOffset.ofTotalSeconds(loopStandardOffset.getTotalSeconds() + loopSavings));
        LocalDateTime loopWindowStart = deduplicate(LocalDateTime.of(Year.MIN_VALUE, 1, 1, 0, 0));
        ZoneOffset loopWindowOffset = firstWallOffset;


        // build the windows and rules to interesting data
        for (TZWindow window : windowList) {
            // tidy the state
            window.tidy(loopWindowStart.getYear());


            // calculate effective savings at the start of the window
            Integer effectiveSavings = window.fixedSavingAmountSecs;
            if (effectiveSavings == null) {
                // apply rules from this window together with the standard offset and
                // savings from the last window to find the savings amount applicable
                // at start of this window
                effectiveSavings = 0;
                for (TZRule rule : window.ruleList) {
                    ZoneOffsetTransition trans = rule.toTransition(loopStandardOffset, loopSavings);
                    if (trans.toEpochSecond() > loopWindowStart.toEpochSecond(loopWindowOffset)) {
                        // previous savings amount found, which could be the savings amount at
                        // the instant that the window starts (hence isAfter)
                        break;
                    }
                    effectiveSavings = rule.savingAmountSecs;
                }
            }


            // check if standard offset changed, and update it
            if (loopStandardOffset.equals(window.standardOffset) == false) {
                standardTransitionList.add(deduplicate(
                    new ZoneOffsetTransition(
                        LocalDateTime.ofEpochSecond(loopWindowStart.toEpochSecond(loopWindowOffset), 0, loopStandardOffset),
                        loopStandardOffset, window.standardOffset)));
                loopStandardOffset = deduplicate(window.standardOffset);
            }


            // check if the start of the window represents a transition
            ZoneOffset effectiveWallOffset = deduplicate(ZoneOffset.ofTotalSeconds(loopStandardOffset.getTotalSeconds() + effectiveSavings));
            if (loopWindowOffset.equals(effectiveWallOffset) == false) {
                ZoneOffsetTransition trans = deduplicate(
                    new ZoneOffsetTransition(loopWindowStart, loopWindowOffset, effectiveWallOffset));
                transitionList.add(trans);
            }
            loopSavings = effectiveSavings;


            // apply rules within the window
            for (TZRule rule : window.ruleList) {
                ZoneOffsetTransition trans = deduplicate(rule.toTransition(loopStandardOffset, loopSavings));
                if (trans.toEpochSecond() < loopWindowStart.toEpochSecond(loopWindowOffset) == false &&
                        trans.toEpochSecond() < window.createDateTimeEpochSecond(loopSavings) &&
                        trans.getOffsetBefore().equals(trans.getOffsetAfter()) == false) {
                    transitionList.add(trans);
                    loopSavings = rule.savingAmountSecs;
                }

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         * @param savingsSecs  the amount of savings in use in seconds
         * @return the created date-time epoch second in the wall offset, not null
         */
        long createDateTimeEpochSecond(int savingsSecs) {
            ZoneOffset wallOffset = createWallOffset(savingsSecs);
            LocalDateTime ldt = timeDefinition.createDateTime(windowEnd, standardOffset, wallOffset);
            return ldt.toEpochSecond(wallOffset);
        }

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         */
        ZoneOffsetTransition toTransition(ZoneOffset standardOffset, int savingsBeforeSecs) {
            // copy of code in ZoneOffsetTransitionRule to avoid infinite loop
            LocalDate date = toLocalDate();
            date = deduplicate(date);
            LocalDateTime ldt = deduplicate(LocalDateTime.of(date, time));
            ZoneOffset wallOffset = deduplicate(ZoneOffset.ofTotalSeconds(standardOffset.getTotalSeconds() + savingsBeforeSecs));
            LocalDateTime dt = deduplicate(timeDefinition.createDateTime(ldt, standardOffset, wallOffset));
            ZoneOffset offsetAfter = deduplicate(ZoneOffset.ofTotalSeconds(standardOffset.getTotalSeconds() + savingAmountSecs));
            return new ZoneOffsetTransition(dt, wallOffset, offsetAfter);
        }

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            }
        }
        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);
    }

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        Jdk8Methods.requireNonNull(zone, "zone");
        if (zone instanceof ZoneOffset) {
            return new ChronoZonedDateTimeImpl<R>(localDateTime, (ZoneOffset) zone, zone);
        }
        ZoneRules rules = zone.getRules();
        LocalDateTime isoLDT = LocalDateTime.from(localDateTime);
        List<ZoneOffset> validOffsets = rules.getValidOffsets(isoLDT);
        ZoneOffset offset;
        if (validOffsets.size() == 1) {
            offset = validOffsets.get(0);
        } else if (validOffsets.size() == 0) {

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     */
    static <R extends ChronoLocalDate> ChronoZonedDateTimeImpl<R> ofInstant(Chronology chrono, Instant instant, ZoneId zone) {
        ZoneRules rules = zone.getRules();
        ZoneOffset offset = rules.getOffset(instant);
        Jdk8Methods.requireNonNull(offset, "offset");  // protect against bad ZoneRules
        LocalDateTime ldt = LocalDateTime.ofEpochSecond(instant.getEpochSecond(), instant.getNano(), offset);
        @SuppressWarnings("unchecked")
        ChronoLocalDateTimeImpl<R> cldt = (ChronoLocalDateTimeImpl<R>) chrono.localDateTime(ldt);
        return new ChronoZonedDateTimeImpl<R>(cldt, offset, zone);
    }

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    }


    @Test
    public void test_LocalDateTime_adjustToMinguoDate() {
        ChronoLocalDate minguo = MinguoChronology.INSTANCE.date(101, 10, 29);
        LocalDateTime test = LocalDateTime.MIN.with(minguo);
        assertEquals(test, LocalDateTime.of(2012, 10, 29, 0, 0));
    }

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    }


    @Test
    public void test_LocalDateTime_adjustToISODate() {
        ChronoLocalDate isoDate = IsoChronology.INSTANCE.date(1728, 10, 29);
        LocalDateTime test = LocalDateTime.MIN.with(isoDate);
        assertEquals(test, LocalDateTime.of(1728, 10, 29, 0, 0));
    }

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    }


    @Test
    public void test_LocalDateTime_adjustToHijrahDate() {
        ChronoLocalDate hijrahDate = HijrahChronology.INSTANCE.date(1728, 10, 29);
        LocalDateTime test = LocalDateTime.MIN.with(hijrahDate);
        assertEquals(test, LocalDateTime.of(2298, 12, 4, 0, 0));
    }

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Examples of org.threeten.bp.LocalDateTime

Specification for implementors

Related Classes of org.threeten.bp.LocalDateTime