Method printRelativeTime

base/src/main/java/net/time4j/PrettyTime.java:1612–1678

(
        Moment ref,
        Moment moment,
        Timezone tz,
        TimeUnit precision,
        CalendarUnit maxRelativeUnit,
        TemporalFormatter<Moment> formatter
    )

    }

    private String printRelativeTime(
        Moment ref,
        Moment moment,
        Timezone tz,
        TimeUnit precision,
        CalendarUnit maxRelativeUnit,
        TemporalFormatter<Moment> formatter
    ) {
        PlainTimestamp start =
            PlainTimestamp.from(
                ref,
                tz.getOffset(ref));
        PlainTimestamp end =
            PlainTimestamp.from(
                moment,
                tz.getOffset(moment));

        IsoUnit[] units = (this.weekToDays ? TSP_UNITS : STD_UNITS);
        Duration<IsoUnit> duration = Duration.in(tz, units).between(start, end);

        if (duration.isEmpty()) {
            return this.getEmptyRelativeString(precision);
        }

        TimeSpan.Item<IsoUnit> item = duration.getTotalLength().get(0);
        long amount = item.getAmount();
        IsoUnit unit = item.getUnit();

        if (unit instanceof ClockUnit) {
            if (5 - ((ClockUnit) unit).ordinal() < precision.ordinal()) {
                return this.getEmptyRelativeString(precision);
            }
        } else if (
            (maxRelativeUnit != null)
            && (Double.compare(unit.getLength(), maxRelativeUnit.getLength()) > 0)
        ) {
            return formatter.format(moment);
        } else if (unit.equals(CalendarUnit.DAYS)) {
            String replacement = this.getRelativeReplacement(end.toDate(), duration.isNegative(), amount);

            if (!replacement.isEmpty()) {
                return replacement;
            }
        }

        String pattern;

        if (duration.isNegative()) {
            if (unit.isCalendrical()) {
                assert (unit instanceof CalendarUnit);
                pattern = this.getPastPattern(amount, (CalendarUnit) unit);
            } else {
                assert (unit instanceof ClockUnit);
                pattern = this.getPastPattern(amount, (ClockUnit) unit);
            }
        } else {
            if (unit.isCalendrical()) {
                assert (unit instanceof CalendarUnit);