(Delphi ActiveX) Amazon Glacier List Vaults

Demonstrates how to list the glacier vaults in a given region.

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

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
rest: TChilkatRest;
bTls: Integer;
port: Integer;
bAutoReconnect: Integer;
success: Integer;
authAws: TChilkatAuthAws;
sbResponseBody: TChilkatStringBuilder;
respStatusCode: Integer;
json: TChilkatJsonObject;
Marker: WideString;
i: Integer;
count_i: Integer;
CreationDate: WideString;
LastInventoryDate: WideString;
NumberOfArchives: Integer;
SizeInBytes: Integer;
VaultARN: WideString;
VaultName: WideString;

begin
// 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 List Vaults Reference Documentation
// 
rest.AddHeader('x-amz-glacier-version','2012-06-01');

// Get the glacier vaults in my account's us-west-2 region.
sbResponseBody := TChilkatStringBuilder.Create(Self);
success := rest.FullRequestNoBodySb('GET','/AWS_ACCOUNT_ID/vaults',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 with an empty response body.
Memo1.Lines.Add('response status code = ' + IntToStr(respStatusCode));

json := TChilkatJsonObject.Create(Self);
json.LoadSb(sbResponseBody.ControlInterface);
json.EmitCompact := 0;

Memo1.Lines.Add(json.Emit());

// Use this online tool to generate parsing code from sample JSON: 
// Generate Parsing Code from JSON

Marker := json.StringOf('Marker');
i := 0;
count_i := json.SizeOfArray('VaultList');
while i < count_i do
  begin
    json.I := i;
    CreationDate := json.StringOf('VaultList[i].CreationDate');
    LastInventoryDate := json.StringOf('VaultList[i].LastInventoryDate');
    NumberOfArchives := json.IntOf('VaultList[i].NumberOfArchives');
    SizeInBytes := json.IntOf('VaultList[i].SizeInBytes');
    VaultARN := json.StringOf('VaultList[i].VaultARN');
    VaultName := json.StringOf('VaultList[i].VaultName');
    i := i + 1;
  end;

// Sample response
// 
// {
//   "Marker": null,
//   "VaultList": [
//     {
//       "CreationDate": "2019-04-05T19:10:28.428Z",
//       "LastInventoryDate": null,
//       "NumberOfArchives": 0,
//       "SizeInBytes": 0,
//       "VaultARN": "arn:aws:glacier:us-west-2:954491834127:vaults/chilkat",
//       "VaultName": "chilkat"
//     },
//     {
//       "CreationDate": "2019-04-05T19:00:21.768Z",
//       "LastInventoryDate": null,
//       "NumberOfArchives": 0,
//       "SizeInBytes": 0,
//       "VaultARN": "arn:aws:glacier:us-west-2:954491834127:vaults/ocean",
//       "VaultName": "ocean"
//     }
//   ]
// }
// 
end;