(Java) ip-api.com IPv4 Geolocation Lookup

Demonstrates how to lookup Geolocation data for an IPv4 address using the ip-api.com API.

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import com.chilkatsoft.*;

public class ChilkatExample {

  static {
    try {
        System.loadLibrary("chilkat");
    } catch (UnsatisfiedLinkError e) {
      System.err.println("Native code library failed to load.\n" + e);
      System.exit(1);
    }
  }

  public static void main(String argv[])
  {
    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkHttp http = new CkHttp();

    // Lookup an IPv4 address: 149.250.207.170  (this was a randomly chosen address)
    String jsonStr = http.quickGetStr("http://ip-api.com/json/149.250.207.170");
    if (http.get_LastMethodSuccess() == false) {
        System.out.println(http.lastErrorText());
        return;
        }

    CkJsonObject json = new CkJsonObject();
    json.put_EmitCompact(false);
    boolean success = json.Load(jsonStr);

    System.out.println(json.emit());

    // Sample output:
    // Use this online tool to generate parsing code from sample JSON: 
    // Generate Parsing Code from JSON

    // {
    //   "as": "AS15854 Hewlett Packard GmbH",
    //   "city": "Bblingen",
    //   "country": "Germany",
    //   "countryCode": "DE",
    //   "isp": "Triaton Frankfurt",
    //   "lat": 48.6779,
    //   "lon": 8.97297,
    //   "org": "EntServ Deutschland GmbH",
    //   "query": "149.250.207.170",
    //   "region": "BW",
    //   "regionName": "Baden-Wrttemberg",
    //   "status": "success",
    //   "timezone": "Europe/Berlin",
    //   "zip": "71034"
    // }

    String as;
    String city;
    String country;
    String countryCode;
    String isp;
    String lat;
    String lon;
    String org;
    String query;
    String region;
    String regionName;
    String status;
    String timezone;
    String zip;

    as = json.stringOf("as");
    city = json.stringOf("city");
    country = json.stringOf("country");
    countryCode = json.stringOf("countryCode");
    isp = json.stringOf("isp");
    lat = json.stringOf("lat");
    lon = json.stringOf("lon");
    org = json.stringOf("org");
    query = json.stringOf("query");
    region = json.stringOf("region");
    regionName = json.stringOf("regionName");
    status = json.stringOf("status");
    timezone = json.stringOf("timezone");
    zip = json.stringOf("zip");
  }
}