@Override
    public boolean canHandle(@NonNull final String geocode) {
        return PATTERN_GC_CODE.matcher(geocode).matches();
    }
Indicates whether the given rating is acceptable (i.e. one might accept only integer values or restrict some other values)

@param rating rating given
@return true if rating is acceptable, false if not
main/src/main/java/cgeo/geocaching/connector/gc/GCConnector.java