private function buildCountries($xml)
 {
     $countries = new Countries();
     $countryArray = array();
     foreach ($xml->Country as $country) {
         $tmpCountry = new Country();
         $tmpCountry->setCode((string) $country->Code);
         $tmpCountry->setGeoCoding((string) $country->Geocoding);
         $tmpCountry->setName((string) $country->Name);
         array_push($countryArray, $tmpCountry);
     }
     $countries->setCountry($countryArray);
     return $countries;
 }