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

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

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

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
sftp: HCkSFtp;
success: Boolean;
port: Integer;
sbA: HCkStringBuilder;
bIncludeBOM: Boolean;
remotePath: PWideChar;
sbB: HCkStringBuilder;
bCaseSensitive: Boolean;

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

sftp := CkSFtp_Create();

// Set some timeouts, in milliseconds:
CkSFtp_putConnectTimeoutMs(sftp,5000);
CkSFtp_putIdleTimeoutMs(sftp,10000);

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

sbA := CkStringBuilder_Create();
CkStringBuilder_LoadFile(sbA,'qa_data/hamlet.xml','utf-8');

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

// Download the file..
sbB := CkStringBuilder_Create();
success := CkSFtp_DownloadSb(sftp,remotePath,'utf-8',sbB);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkSFtp__lastErrorText(sftp));
    Exit;
  end;

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

CkSFtp_Disconnect(sftp);

CkSFtp_Dispose(sftp);
CkStringBuilder_Dispose(sbA);
CkStringBuilder_Dispose(sbB);

end;