(Java) ipinfo.io IPv4 Geolocation Lookup

Demonstrates how to lookup Geolocation data for an IPv4 address using the ipinfo.io 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();

    http.put_Login("ACCESS_TOKEN");
    http.put_Password("");
    http.put_Accept("application/json");

    // Lookup an IPv4 address: 149.250.207.170  (this was a randomly chosen address)
    String jsonStr = http.quickGetStr("https://ipinfo.io/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

    // Note: This is the output for the free trial account.
    // 
    // {
    //   "ip": "149.250.207.170",
    //   "city": "",
    //   "region": "",
    //   "country": "DE",
    //   "loc": "51.2993,9.4910",
    //   "org": "AS15854 EntServ Deutschland GmbH"
    // }

    // A full response would look like this:

    // {
    //   "ip": "66.87.125.72",
    //   "hostname": "66-87-125-72.pools.spcsdns.net",
    //   "city": "Southbridge",
    //   "region": "Massachusetts",
    //   "country": "US",
    //   "loc": "42.0707,-72.0440",
    //   "postal": "01550",
    //   "asn": {
    //     "asn": "AS10507",
    //     "name": "Sprint Personal Communications Systems",
    //     "domain": "spcsdns.net",
    //     "route": "66.87.125.0/24",
    //     "type": "isp"
    //   },
    //   "company": {
    //     "name": "Sprint Springfield POP",
    //     "domain": "sprint.com",
    //     "type": "isp"
    //   },  
    //   "carrier": {
    //     "name": "Sprint",
    //     "mcc": "310",
    //     "mnc": "120"
    //   }
    // }
    // 
    String ip;
    String hostname;
    String city;
    String region;
    String country;
    String loc;
    String postal;
    String asnAsn;
    String asnName;
    String asnDomain;
    String asnRoute;
    String asnType;
    String companyName;
    String companyDomain;
    String companyType;
    String carrierName;
    String carrierMcc;
    String carrierMnc;

    ip = json.stringOf("ip");
    hostname = json.stringOf("hostname");
    city = json.stringOf("city");
    region = json.stringOf("region");
    country = json.stringOf("country");
    loc = json.stringOf("loc");
    postal = json.stringOf("postal");
    asnAsn = json.stringOf("asn.asn");
    asnName = json.stringOf("asn.name");
    asnDomain = json.stringOf("asn.domain");
    asnRoute = json.stringOf("asn.route");
    asnType = json.stringOf("asn.type");
    companyName = json.stringOf("company.name");
    companyDomain = json.stringOf("company.domain");
    companyType = json.stringOf("company.type");
    carrierName = json.stringOf("carrier.name");
    carrierMcc = json.stringOf("carrier.mcc");
    carrierMnc = json.stringOf("carrier.mnc");
  }
}