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Pascal (Lazarus/Delphi)

HTTP GET with Custom Header and OAuth2 Bearer Token

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Demonstrate how to send a GET request with customer headers and an "Authorization: Bearer " header.

Chilkat Pascal (Lazarus/Delphi) Downloads

Pascal (Lazarus/Delphi)
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,
  Chilkat.StringBuilder,
  Chilkat.JsonObject;

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

procedure RunDemo;
var
  success: Boolean;
  http: THttp;
  url: string;
  sb: TStringBuilder;
  json: TJsonObject;

begin
  success := False;

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

  http := THttp.Create;

  //  Setting the AuthToken property causes the "Authorization: Bearer <token>" header to be adeded.
  http.AuthToken := 'Just_the_access_token_here';

  //  Add one or more custom headers..
  http.SetRequestHeader('X-Tenant-ID','value goes here');
  http.SetRequestHeader('blah-blah-blah','value goes here');

  url := 'https://www.example.com/abc/123?x=something&y=someOtherThing';

  //  Send the GET request and get the response body in the StringBuilder object.
  sb := TStringBuilder.Create;
  success := http.QuickGetSb(url,sb);
  if (success <> True) then
    begin
      WriteLn(http.LastErrorText);
      Exit;
    end;

  WriteLn('response status code: ' + http.LastStatus);
  WriteLn('response body:');
  WriteLn(sb.GetAsString());

  //  If the response contains JSON, you can load it into a Chilkat JSON object...
  json := TJsonObject.Create;
  json.LoadSb(sb);
  json.EmitCompact := False;
  WriteLn(json.Emit());


  http.Free;
  sb.Free;
  json.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.