(Delphi ActiveX) api.db-ip.com IPv4 Geolocation Lookup

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

Chilkat for Delphi Downloads Chilkat ActiveX DLL for Delphi Chilkat non-ActiveX DLL for Delphi * The examples here use the ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
http: TChilkatHttp;
jsonStr: WideString;
json: TChilkatJsonObject;
success: Integer;
ipAddress: WideString;
continentCode: WideString;
continentName: WideString;
countryCode: WideString;
countryName: WideString;
stateProv: WideString;
city: WideString;

begin
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

http := TChilkatHttp.Create(Self);

// Lookup an IPv4 address: 149.250.207.170  (this was a randomly chosen address)
jsonStr := http.QuickGetStr('http://api.db-ip.com/v2/free/149.250.207.170');
if (http.LastMethodSuccess = 0) then
  begin
    Memo1.Lines.Add(http.LastErrorText);
    Exit;
  end;

json := TChilkatJsonObject.Create(Self);
json.EmitCompact := 0;
success := json.Load(jsonStr);

Memo1.Lines.Add(json.Emit());

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

// {
//   "ipAddress": "149.250.207.170",
//   "continentCode": "EU",
//   "continentName": "Europe",
//   "countryCode": "DE",
//   "countryName": "Germany",
//   "stateProv": "Baden-W\u00fcrttemberg",
//   "city": "B\u00f6blingen"
// }

ipAddress := json.StringOf('ipAddress');
continentCode := json.StringOf('continentCode');
continentName := json.StringOf('continentName');
countryCode := json.StringOf('countryCode');
countryName := json.StringOf('countryName');
stateProv := json.StringOf('stateProv');
city := json.StringOf('city');
end;