function to get city and country names from JSON results in GMaps Service

gmaps-get-city-and-country.js

function getCity(GMapsResult) {
  var localidade="";
  if (GMapsResult.hasOwnProperty("results")) {
    for (var prop in GMapsResult.results) {
      if ((GMapsResult.results.hasOwnProperty(prop)) && (localidade==="")) {
        if (GMapsResult.results[prop].hasOwnProperty("address_components")) {
          var address_components = GMapsResult.results[prop].address_components;
          for (var prop2 in address_components) {
            if ((address_components.hasOwnProperty(prop2)) && (localidade==="")) {
              var address_components_details = address_components[prop2];
              if (address_components_details.hasOwnProperty("types")) {
                var indexForLocality = address_components_details.types.indexOf("locality");
                if (indexForLocality>=0) {
                  localidade = address_components_details.long_name;
                }
              }
            }
          }
        } else {
          console.warn("não possui address_components");
        }
      }
    }
    return localidade;
  } else {
    console.error("Não há resultados válidos");
    return null;
  }

}

function getCountry(GMapsResult) {
  var country="";
  if (GMapsResult.hasOwnProperty("results")) {
    for (var prop in GMapsResult.results) {
      if ((GMapsResult.results.hasOwnProperty(prop)) && (country==="")) {
        if (GMapsResult.results[prop].hasOwnProperty("address_components")) {
          var address_components = GMapsResult.results[prop].address_components;
          for (var prop2 in address_components) {
            if ((address_components.hasOwnProperty(prop2)) && (country==="")) {
              var address_components_details = address_components[prop2];
              if (address_components_details.hasOwnProperty("types")) {
                var indexForLocality = address_components_details.types.indexOf("country");
                if (indexForLocality>=0) {
                  country = address_components_details.long_name;
                }
              }
            }
          }
        } else {
          console.warn("não possui address_components");
        }
      }
    }
    return country;
  } else {
    console.error("Não há resultados válidos");
    return null;
  }

}

URL Sample = http://maps.googleapis.com/maps/api/geocode/json?latlng=-23.346,-51.147&sensor=false;