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(Delphi ActiveX) ipstack.com IPv4 Geolocation LookupDemonstrates how to lookup Geolocation data for an IPv4 address using the ipstack.com REST API.
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; ip: WideString; v_type: WideString; continent_code: WideString; continent_name: WideString; country_code: WideString; country_name: WideString; region_code: WideString; region_name: WideString; city: WideString; zip: WideString; latitude: WideString; longitude: WideString; locationGeoname_id: WideString; locationCapital: WideString; locationCountry_flag: WideString; locationCountry_flag_emoji: WideString; locationCountry_flag_emoji_unicode: WideString; locationCalling_code: WideString; locationIs_eu: Integer; i: Integer; count_i: Integer; code: WideString; name: WideString; native: 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.ipstack.com/149.250.207.170?access_key=YOUR_ACCESS_KEY'); 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 // { // "ip": "149.250.207.170", // "type": "ipv4", // "continent_code": "EU", // "continent_name": "Europe", // "country_code": "DE", // "country_name": "Germany", // "region_code": null, // "region_name": null, // "city": null, // "zip": null, // "latitude": 51.2993, // "longitude": 9.491, // "location": { // "geoname_id": null, // "capital": "Berlin", // "languages": [ // { // "code": "de", // "name": "German", // "native": "Deutsch" // } // ], // "country_flag": "http:\/\/assets.ipstack.com\/flags\/de.svg", // "country_flag_emoji": "\ud83c\udde9\ud83c\uddea", // "country_flag_emoji_unicode": "U+1F1E9 U+1F1EA", // "calling_code": "49", // "is_eu": true // } // } ip := json.StringOf('ip'); v_type := json.StringOf('type'); continent_code := json.StringOf('continent_code'); continent_name := json.StringOf('continent_name'); country_code := json.StringOf('country_code'); country_name := json.StringOf('country_name'); region_code := json.StringOf('region_code'); region_name := json.StringOf('region_name'); city := json.StringOf('city'); zip := json.StringOf('zip'); latitude := json.StringOf('latitude'); longitude := json.StringOf('longitude'); locationGeoname_id := json.StringOf('location.geoname_id'); locationCapital := json.StringOf('location.capital'); locationCountry_flag := json.StringOf('location.country_flag'); locationCountry_flag_emoji := json.StringOf('location.country_flag_emoji'); locationCountry_flag_emoji_unicode := json.StringOf('location.country_flag_emoji_unicode'); locationCalling_code := json.StringOf('location.calling_code'); locationIs_eu := json.BoolOf('location.is_eu'); i := 0; count_i := json.SizeOfArray('location.languages'); while i < count_i do begin json.I := i; code := json.StringOf('location.languages[i].code'); name := json.StringOf('location.languages[i].name'); native := json.StringOf('location.languages[i].native'); i := i + 1; end; end; |
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