Delphi DLL

S3 Download String Object

See more Amazon S3 Examples

Demonstrates how to download a text file (i.e. object) from the Amazon S3 service directly into an in-memory string variable. Delphi DLL

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

...

procedure TForm1.Button1Click(Sender: TObject);
var
http: HCkHttp;
bucketName: PWideChar;
objectName: PWideChar;
charset: PWideChar;
fileContents: PWideChar;

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

http := CkHttp_Create();

// Insert your access key here:
CkHttp_putAwsAccessKey(http,'AWS_ACCESS_KEY');

// Insert your secret key here:
CkHttp_putAwsSecretKey(http,'AWS_SECRET_KEY');

// This bucket is in the us-east-1 region.
CkHttp_putAwsRegion(http,'us-east-1');

bucketName := 'chilkat-test-bucket';

objectName := 'fruit.xml';

charset := 'utf-8';

fileContents := CkHttp__s3_DownloadString(http,bucketName,objectName,charset);

if (CkHttp_getLastMethodSuccess(http) <> True) then
  begin
    // Failed
    Memo1.Lines.Add(CkHttp__lastErrorText(http));
  end
else
  begin
    // Success
    Memo1.Lines.Add(fileContents);
  end;

CkHttp_Dispose(http);

end;