Lazarus Pascal

Example: Http.S3_FileExists method

Demonstrates the S3_FileExists method. Lazarus Pascal

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
  http: THttp;
  bucketName: string;
  objectName: string;
  retval: Integer;

begin
  http := THttp.Create;

  //  Insert your AWS keys here:
  http.AwsAccessKey := 'AWS_ACCESS_KEY';
  http.AwsSecretKey := 'AWS_SECRET_KEY';

  bucketName := 'chilkat.ocean';
  objectName := 'seahorse.jpg';
  http.AwsRegion := 'us-west-2';
  http.AwsEndpoint := 's3-us-west-2.amazonaws.com';

  retval := http.S3_FileExists(bucketName,objectName);
  if (retval < 0) then
    begin
      WriteLn('Failed to check for the S3 object existence');
      WriteLn(http.LastErrorText);
      Exit;
    end;
  if (retval = 0) then
    begin
      WriteLn('The S3 object does not exist.');
      Exit;
    end;

  WriteLn('The S3 object exists.');


  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.