Pascal (Lazarus/Delphi)

Box.com Download File

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Retrieves the actual data of the file. 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;

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

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

begin
  success := False;

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

  //  ------------------------------------------------------------------------------------------
  //  Important:
  //  See this information about Box.com Service Accounts
  //  Box.com will automatically generate a Service Account where the name of the account is the name of your App.� 
  //  When you make API calls, it is for this service account, and the files that exist and what you see are not the same as your normal account.
  //  ------------------------------------------------------------------------------------------

  http := THttp.Create;

  //  Provide a previously obtained OAuth2 access token.
  //  See Get Box OAuth2 Access Token.
  http.AuthToken := 'BOX_ACCESS_TOKEN';

  http.FollowRedirects := True;

  //  Streaming download directly to a file
  //  The file is specified by the file ID.
  //  In this case, we're downloading a file with FILE_ID = 283371752129.
  //  The general form of the URL for downloading is: https://api.box.com/2.0/files/FILE_ID/content
  success := http.Download('https://api.box.com/2.0/files/283371752129/content','qa_output/tigers.jpeg');
  if (success <> True) then
    begin
      WriteLn(http.LastErrorText);
      Exit;
    end;

  WriteLn('Downloaded tigers.jpeg');


  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.