Delphi DLL

Amazon Glacier Describe Vault

See more Amazon Glacier Examples

Returns information about a vault, including the vault Amazon Resource Name (ARN), the date the vault was created, the number of archives contained within the vault, and the total size of all the archives in the vault... Delphi DLL

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, AuthAws, Rest, StringBuilder, JsonObject;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Boolean;
rest: HCkRest;
bTls: Boolean;
port: Integer;
bAutoReconnect: Boolean;
authAws: HCkAuthAws;
sbResponseBody: HCkStringBuilder;
respStatusCode: Integer;
json: HCkJsonObject;
CreationDate: PWideChar;
LastInventoryDate: PWideChar;
NumberOfArchives: Integer;
SizeInBytes: Integer;
VaultARN: PWideChar;
VaultName: PWideChar;

begin
success := False;

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

rest := CkRest_Create();

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

// Provide AWS credentials.
authAws := CkAuthAws_Create();
CkAuthAws_putAccessKey(authAws,'AWS_ACCESS_KEY');
CkAuthAws_putSecretKey(authAws,'AWS_SECRET_KEY');
CkAuthAws_putServiceName(authAws,'glacier');
CkAuthAws_putRegion(authAws,'us-west-2');

success := CkRest_SetAuthAws(rest,authAws);

// --------------------------------------------------------------------------
// 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 Describe Vault Reference Documentation
// 
CkRest_AddHeader(rest,'x-amz-glacier-version','2012-06-01');

// Describe the "chilkat" vault
sbResponseBody := CkStringBuilder_Create();
success := CkRest_FullRequestNoBodySb(rest,'GET','/AWS_ACCOUNT_ID/vaults/chilkat',sbResponseBody);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;

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

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

json := CkJsonObject_Create();
CkJsonObject_LoadSb(json,sbResponseBody);
CkJsonObject_putEmitCompact(json,False);

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

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

CreationDate := CkJsonObject__stringOf(json,'CreationDate');
LastInventoryDate := CkJsonObject__stringOf(json,'LastInventoryDate');
NumberOfArchives := CkJsonObject_IntOf(json,'NumberOfArchives');
SizeInBytes := CkJsonObject_IntOf(json,'SizeInBytes');
VaultARN := CkJsonObject__stringOf(json,'VaultARN');
VaultName := CkJsonObject__stringOf(json,'VaultName');

// Sample response
// 
// {
//   "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"
// }
// 

CkRest_Dispose(rest);
CkAuthAws_Dispose(authAws);
CkStringBuilder_Dispose(sbResponseBody);
CkJsonObject_Dispose(json);

end;