Method getTZ

base/src/main/java/net/time4j/tz/Timezone.java:1461–1473

(
        TZID tzid,
        boolean wantsException
    )

    }

    private static Timezone getTZ(
        TZID tzid,
        boolean wantsException
    ) {

        // Liegt eine feste Verschiebung vor?
        if (tzid instanceof ZonalOffset) {
            return ((ZonalOffset) tzid).getModel();
        }

        return Timezone.getTZ(tzid, tzid.canonical(), wantsException);

    }

    private static Timezone getTZ(
        TZID tzid, // optional