Lazarus Pascal Requires Chilkat v11.2.0+

Replace or Remove Default HTTP Headers

See more HTTP Examples

Shows how to replace or remove default HTTP headers.

Also see: Chilkat Http Default and Auto-Filled Headers

Lazarus Pascal

program ChilkatDemo;

// Demonstrates using the Chilkat Pascal wrapper via the C bridge DLL.
// Builds as a console application under Lazarus (FPC) or Delphi.

{$IFDEF FPC}
  {$MODE DELPHI}
{$ENDIF}
{$APPTYPE CONSOLE}

uses
  {$IFDEF UNIX}
  cthreads,
  {$ENDIF}
  SysUtils,
  CkDllLoader,
  Chilkat.Http;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  success: Boolean;
  http: THttp;
  responseBody: string;

begin
  success := False;

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

  http := THttp.Create;

  //  The following request will be sent.
  //  The Accept and Accept-Encoding headers are default headers added by Chilkat.

  //  GET /helloWorld.txt HTTP/1.1
  //  Host: chilkatsoft.com
  //  Accept: */*
  //  Accept-Encoding: gzip

  responseBody := http.QuickGetStr('https://chilkatsoft.com/helloWorld.txt');
  //  Examine the request header we just sent..
  WriteLn(http.LastHeader);
  WriteLn('----');

  //  Remove the default headers:
  http.RemoveRequestHeader('Accept');
  http.RemoveRequestHeader('Accept-Encoding');

  //  Send a request with the following header:

  //  GET /helloWorld.txt HTTP/1.1
  //  Host: chilkatsoft.com

  responseBody := http.QuickGetStr('https://chilkatsoft.com/helloWorld.txt');
  WriteLn(http.LastHeader);


  http.Free;

end;

// ---------------------------------------------------------------------------

begin

  try
    RunDemo;
  except
    on E: Exception do
      WriteLn('Unhandled exception: ', E.ClassName, ': ', E.Message);
  end;

  WriteLn;
  {$IFDEF MSWINDOWS}
  WriteLn('Press Enter to exit...');
  ReadLn;
  {$ENDIF}
end.