(Delphi DLL) HTTPS PUT application/x-www-form-urlencoded

Demonstrates two ways of sending an HTTPS PUT application/x-www-form-urlencoded request.

Note: This example requires Chilkat v11.0.0 or greater.

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

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
http: HCkHttp;
url: PWideChar;
resp: HCkHttpResponse;
req: HCkHttpRequest;

begin
success := False;

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

http := CkHttp_Create();

// The 1st example sends a PUT with the query params in the URL.
// The body of the request will be empty.
url := 'https://example.com/leads/12345678?uid=XXXX&apikey=YYYYYY&notes=Test_Note';

// Sends the following request:

// PUT /leads/12345678?uid=XXXX&apikey=YYYYYY&notes=Test_Note HTTP/1.1
// Host: example.com
// Accept: */*
// Accept-Encoding: gzip
// Content-Length: 0
// 

resp := CkHttpResponse_Create();
success := CkHttp_HttpStr(http,'PUT',url,'','','application/x-www-form-urlencoded',resp);
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

Memo1.Lines.Add('Response status code = ' + IntToStr(CkHttpResponse_getStatusCode(resp)));
Memo1.Lines.Add('Response body: ' + CkHttpResponse__bodyStr(resp));

// -----------------------------------------------------------------------
// Now we send the same request, but instead the query params are in the HTTP request body.

req := CkHttpRequest_Create();
CkHttpRequest_putHttpVerb(req,'PUT');
CkHttpRequest_putPath(req,'/leads/12345678');
CkHttpRequest_AddParam(req,'uid','XXXX');
CkHttpRequest_AddParam(req,'apikey','YYYYYY');
CkHttpRequest_AddParam(req,'notes','Test_Note');

// Sends the following request:

// POST /leads/12345678 HTTP/1.1
// Host: example.com
// Content-Type: application/x-www-form-urlencoded
// Content-Length: 38
// 
// uid=XXXX&apikey=YYYYYY&notes=Test_Notereq.HttpVerb = "POST";
CkHttpRequest_putHttpVerb(req,'POST');
CkHttpRequest_putContentType(req,'application/x-www-form-urlencoded');

success := CkHttp_HttpReq(http,'https://example.com/leads/12345678',req,resp);
if (success = False) then
  begin
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
    Exit;
  end;

Memo1.Lines.Add('Response status code = ' + IntToStr(CkHttpResponse_getStatusCode(resp)));
Memo1.Lines.Add('Response body: ' + CkHttpResponse__bodyStr(resp));

CkHttp_Dispose(http);
CkHttpResponse_Dispose(resp);
CkHttpRequest_Dispose(req);

end;