Delphi ActiveX

FTP Upload / Download to StringBuilder

Demonstrate how to upload from a Chilkat StringBuilder object, and download into a StringBuilder object. Delphi ActiveX

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
success: Integer;
ftp: TChilkatFtp2;
sbA: TChilkatStringBuilder;
bIncludeBOM: Integer;
remoteFilename: WideString;
sbB: TChilkatStringBuilder;
bCaseSensitive: Integer;

begin
success := 0;

// This example assumes Chilkat Ftp2 to have been previously unlocked.
// See Unlock Ftp2 for sample code.

ftp := TChilkatFtp2.Create(Self);

ftp.Hostname := 'www.my-ftp-server.com';
ftp.Username := 'mFtpLogin';
ftp.Password := 'myFtpPassword';

// Connect to the FTP server.
success := ftp.ConnectOnly();
if (success <> 1) then
  begin
    Memo1.Lines.Add(ftp.LastErrorText);
    Exit;
  end;

// Authenticate with the FTP server.
success := ftp.LoginAfterConnectOnly();
if (success <> 1) then
  begin
    Memo1.Lines.Add(ftp.LastErrorText);
    Exit;
  end;

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

// Upload the contents of sbA to the FTP server.
bIncludeBOM := 0;
remoteFilename := 'hamletFromSb.xml';
success := ftp.PutFileSb(sbA.ControlInterface,'utf-8',bIncludeBOM,remoteFilename);
if (success <> 1) then
  begin
    Memo1.Lines.Add(ftp.LastErrorText);
    Exit;
  end;

// Download...
sbB := TChilkatStringBuilder.Create(Self);
success := ftp.GetFileSb(remoteFilename,'utf-8',sbB.ControlInterface);
if (success <> 1) then
  begin
    Memo1.Lines.Add(ftp.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;

ftp.Disconnect();
end;