Delphi ActiveX

curl with Path Variables and Query Param Variables

See more CURL Examples

This example demonstrates using variables located in the path and query params with the {{variable_name}} syntax. Delphi ActiveX

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
success: Integer;
targetCurl: WideString;
httpCurl: TChilkatHttpCurl;
responseJson: TChilkatJsonObject;
statusCode: Integer;

begin
success := 0;

// Variables can occur in the path and query params.  
// Variable names are enclosed between {{ and }}

//  curl -X GET https://httpbin.org/{{verb}}?id={id_value}}
targetCurl := 'curl -X GET https://httpbin.org/{{verb}}?id={{id_value}}';

httpCurl := TChilkatHttpCurl.Create(Self);

// Provide values for variables.
// In this example, "verb" is a path variable, and "id_value" is a query param variable.
httpCurl.SetVar('verb','get');
httpCurl.SetVar('id_value','123');

// Run the curl command.
success := httpCurl.DoYourThing(targetCurl);
if (success = 0) then
  begin
    Memo1.Lines.Add(httpCurl.LastErrorText);
    Exit;
  end;

responseJson := TChilkatJsonObject.Create(Self);
responseJson.EmitCompact := 0;

statusCode := httpCurl.StatusCode;
Memo1.Lines.Add('response status code: ' + IntToStr(statusCode));

httpCurl.GetResponseJson(responseJson.ControlInterface);
Memo1.Lines.Add(responseJson.Emit());

// Output:

// response status code: 200
// {
//   "args": {
//     "id": "123"
//   },
//   "headers": {
//     "Host": "httpbin.org",
//     "X-Amzn-Trace-Id": "Root=1-69e92914-5d4136d240f2f7fe1056f126"
//   },
//   "origin": "222.222.222.222",
//   "url": "https://httpbin.org/get?id=123"
// }
end;