Method make_localtime

src/main/java/com/amazon/ion/Timestamp.java:1236–1265

Applies the local offset from UTC to each of the applicable time field values and returns the new Timestamp. In short, this makes the Timestamp represent local time. @return a new Timestamp in its local time

()

     * @return a new Timestamp in its local time
     */
    private Timestamp make_localtime()
    {
        int offset = _offset != null
            ? _offset.intValue()
            : 0;

        // We use a Copy-Constructor that expects the time parameters to be in
        // UTC, as that's what we're supposed to have.
        // As this Copy-Constructor doesn't apply local offset to the time
        // field values (it assumes that the local offset is already applied to
        // them), we explicitly apply the local offset to the time field values
        // after we obtain the new Timestamp instance.
        Timestamp localtime = new Timestamp(_precision,
                                            _year,
                                            _month,
                                            _day,
                                            _hour,
                                            _minute,
                                            _second,
                                            _fraction,
                                            _offset,
                                            APPLY_OFFSET_NO,
                                            CHECK_FRACTION_NO);
        // explicitly apply the local offset to the time field values
        localtime.apply_offset(-offset);

        assert localtime._offset == _offset;

        return localtime;
    }

    /**
     * Returns a Timestamp, precise to the year, with unknown local offset.