Delphi ActiveX

Glacier Delete All Archives in a Vault

See more Amazon Glacier Examples

Iterates over a vault inventory retrieval and deletes each archive. 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;
rest: TChilkatRest;
bTls: Integer;
port: Integer;
bAutoReconnect: Integer;
authAws: TChilkatAuthAws;
sbResponseBody: TChilkatStringBuilder;
respStatusCode: Integer;
csv: TChilkatCsv;
i: Integer;
numRows: Integer;
archiveId: WideString;

begin
success := 0;

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

rest := TChilkatRest.Create(Self);

// Connect to the Amazon AWS REST server in the desired region.
bTls := 1;
port := 443;
bAutoReconnect := 1;
success := rest.Connect('glacier.us-west-2.amazonaws.com',port,bTls,bAutoReconnect);

// Provide AWS credentials.
authAws := TChilkatAuthAws.Create(Self);
authAws.AccessKey := 'AWS_ACCESS_KEY';
authAws.SecretKey := 'AWS_SECRET_KEY';
authAws.ServiceName := 'glacier';
authAws.Region := 'us-west-2';

success := rest.SetAuthAws(authAws.ControlInterface);

// --------------------------------------------------------------------------
// Note: The above REST connection and setup of the AWS credentials
// can be done once.  After connecting, any number of REST calls can be made.
// The "auto reconnect" property passed to rest.Connect indicates that if
// the connection is lost, a REST method call will automatically reconnect
// if needed.
// --------------------------------------------------------------------------

// 
// For more information, see Glacier Retrieve Job Output Reference Documentation
// 
rest.AddHeader('x-amz-glacier-version','2012-06-01');

sbResponseBody := TChilkatStringBuilder.Create(Self);
success := rest.FullRequestNoBodySb('GET','/AWS_ACCOUNT_ID/vaults/chilkat/jobs/JOB_ID/output',sbResponseBody.ControlInterface);
if (success <> 1) then
  begin
    Memo1.Lines.Add(rest.LastErrorText);
    Exit;
  end;

respStatusCode := rest.ResponseStatusCode;
if (respStatusCode >= 400) then
  begin
    Memo1.Lines.Add('Response Status Code = ' + IntToStr(respStatusCode));
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(rest.ResponseHeader);
    Memo1.Lines.Add('Response Body:');
    Memo1.Lines.Add(sbResponseBody.GetAsString());
    Exit;
  end;

// Success is indicated by a 200 response status.
Memo1.Lines.Add('response status code = ' + IntToStr(respStatusCode));

// The inventory retrieval job output is in CSV format.
Memo1.Lines.Add('job output:');
Memo1.Lines.Add(sbResponseBody.GetAsString());
Memo1.Lines.Add('--');

// The CSV has these fields:  ArchiveId,ArchiveDescription,CreationDate,Size,SHA256TreeHash
csv := TChilkatCsv.Create(Self);
csv.HasColumnNames := 1;
csv.LoadFromString(sbResponseBody.GetAsString());

// Iterate over the results and delete each archive from the vault.
i := 0;
numRows := csv.NumRows;
while i < numRows do
  begin

    archiveId := csv.GetCellByName(i,'ArchiveId');
    Memo1.Lines.Add('Deleting ArchiveId: ' + archiveId);
    rest.AddPathParam('ArchiveID',archiveId);
    success := rest.FullRequestNoBodySb('DELETE','/AWS_ACCOUNT_ID/vaults/chilkat/archives/ArchiveID',sbResponseBody.ControlInterface);
    if (success <> 1) then
      begin
        Memo1.Lines.Add(rest.LastErrorText);
        Exit;
      end;

    respStatusCode := rest.ResponseStatusCode;

    // Success is indicated by a 204 response status with an empty response body.
    // A 404 resonse indicates the archive was likely already deleted.
    Memo1.Lines.Add('response status code = ' + IntToStr(respStatusCode));

    i := i + 1;
  end;
end;