*/
public class ISO3166Utils {
public static String alpha3toAlpha2(String alpha3) throws UnknownCountryException {
if(alpha3.length()==0) return " ";
CountryCode countryCode = CountryCode.getByCode(alpha3);
if(null==countryCode){
throw new UnknownCountryException("Can't find country "+alpha3, alpha3);
}
return countryCode.getAlpha2();
}