Pascal (Lazarus/Delphi)

WaTrend Create Instance

See more WaTrend Examples

Create a new WaTrend Instance ID. 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.HttpResponse,
  Chilkat.JsonObject;

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

procedure RunDemo;
var
  success: Boolean;
  http: THttp;
  resp: THttpResponse;
  sbResponseBody: TStringBuilder;
  respStatusCode: Integer;
  jResp: TJsonObject;
  status: string;
  instanceId: 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;

  //  Use your actual access token instead of 555555555555555555555555555555
  resp := THttpResponse.Create;
  success := http.HttpNoBody('GET','https://app.watrend.com/api/createinstance.php?access_token=555555555555555555555555555555',resp);
  if (success = False) then
    begin
      WriteLn(http.LastErrorText);
      Exit;
    end;

  sbResponseBody := TStringBuilder.Create;
  resp.GetBodySb(sbResponseBody);

  respStatusCode := resp.StatusCode;
  WriteLn('Response Status Code = ' + respStatusCode);
  if (respStatusCode >= 400) then
    begin
      WriteLn('Response Header:');
      WriteLn(resp.Header);
      WriteLn('Failed.');
      Exit;
    end;

  //  Both success and failed responses use 200 status code.

  //  A success response contains this JSON in the response body:
  //  {"status":"success","message":"Instance ID generated successfully","instance_id":"638EE5A76D3AA"}

  //  A failed response will contain something like this:
  //  {"status":"error","message":"Access token does not exist"}

  WriteLn(resp.BodyStr);

  jResp := TJsonObject.Create;
  jResp.LoadSb(sbResponseBody);

  status := jResp.StringOf('status');
  instanceId := '';
  if (jResp.HasMember('instance_id') = True) then
    begin
      instanceId := jResp.StringOf('instance_id');
    end;

  WriteLn('status: ' + status);
  WriteLn('instance_id: ' + instanceId);


  http.Free;
  resp.Free;
  sbResponseBody.Free;
  jResp.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.