(Delphi ActiveX) SFTP Upload and Download to a StringBuilder Object

See more SFTP Examples

Demonstrates how to SFTP upload from a Chilkat StringBuilder object, and download into a StringBuilder object.

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

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
sftp: TChilkatSFtp;
success: Integer;
port: Integer;
sbA: TChilkatStringBuilder;
bIncludeBOM: Integer;
remotePath: WideString;
sbB: TChilkatStringBuilder;
bCaseSensitive: Integer;

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

sftp := TChilkatSFtp.Create(Self);

// Set some timeouts, in milliseconds:
sftp.ConnectTimeoutMs := 5000;
sftp.IdleTimeoutMs := 10000;

// Connect to the SSH server and then authenticate.
port := 22;
success := sftp.Connect('MY-SSH-SERVER-DOMAIN-OR-IP',port);
if (success = 1) then
  begin
    success := sftp.AuthenticatePw('MY-SSH-LOGIN','MY-SSH-PASSWORD');
    if (success = 1) then
      begin
        success := sftp.InitializeSftp();
      end;
  end;
if (success <> 1) then
  begin
    Memo1.Lines.Add(sftp.LastErrorText);
    Exit;
  end;

sbA := TChilkatStringBuilder.Create(Self);
sbA.LoadFile('qa_data/hamlet.xml','utf-8');

// Upload the contents of sbA to the SSH/SFTP server.
bIncludeBOM := 0;
remotePath := 'sftpTesting/hamlet.xml';
success := sftp.UploadSb(sbA.ControlInterface,remotePath,'utf-8',bIncludeBOM);
if (success <> 1) then
  begin
    Memo1.Lines.Add(sftp.LastErrorText);
    Exit;
  end;

// Download the file..
sbB := TChilkatStringBuilder.Create(Self);
success := sftp.DownloadSb(remotePath,'utf-8',sbB.ControlInterface);
if (success <> 1) then
  begin
    Memo1.Lines.Add(sftp.LastErrorText);
    Exit;
  end;

// Verify that sbA and sbB have the exact same contents.
Memo1.Lines.Add('size of sbA: ' + IntToStr(sbA.Length));
bCaseSensitive := 1;
if (sbA.ContentsEqualSb(sbB.ControlInterface,bCaseSensitive) = 1) then
  begin
    Memo1.Lines.Add('Contents are equal. Success.');
  end
else
  begin
    Memo1.Lines.Add('Contents are NOT equal.  Failed.');
  end;

sftp.Disconnect();
end;