Pascal (Lazarus/Delphi)

Glacier Get Job Information and Status

See more Amazon Glacier Examples

Demonstrates how to get information and status for a glacier job. Pascal (Lazarus/Delphi)

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.AuthAws,
  Chilkat.Rest,
  Chilkat.StringBuilder,
  Chilkat.JsonObject;

// ---------------------------------------------------------------------------

procedure RunDemo;
var
  success: Boolean;
  rest: TRest;
  bTls: Boolean;
  port: Integer;
  bAutoReconnect: Boolean;
  authAws: TAuthAws;
  sbResponseBody: TStringBuilder;
  respStatusCode: Integer;
  json: TJsonObject;
  Action: string;
  ArchiveId: string;
  ArchiveSHA256TreeHash: string;
  ArchiveSizeInBytes: string;
  Completed: Boolean;
  CompletionDate: string;
  CreationDate: string;
  InventoryRetrievalParametersEndDate: string;
  InventoryRetrievalParametersFormat: string;
  InventoryRetrievalParametersLimit: string;
  InventoryRetrievalParametersMarker: string;
  InventoryRetrievalParametersStartDate: string;
  InventorySizeInBytes: string;
  JobDescription: string;
  JobId: string;
  JobOutputPath: string;
  OutputLocation: string;
  RetrievalByteRange: string;
  SHA256TreeHash: string;
  SNSTopic: string;
  SelectParameters: string;
  StatusCode: string;
  StatusMessage: string;
  Tier: string;
  VaultARN: string;

begin
  success := False;

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

  rest := TRest.Create;

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

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

  success := rest.SetAuthAws(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 Job Reference Documentation
  //  
  rest.AddHeader('x-amz-glacier-version','2012-06-01');

  sbResponseBody := TStringBuilder.Create;
  success := rest.FullRequestNoBodySb('GET','/AWS_ACCOUNT_ID/vaults/chilkat/jobs/JOB_ID',sbResponseBody);
  if (success <> True) then
    begin
      WriteLn(rest.LastErrorText);
      Exit;
    end;

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

  //  Success is indicated by a 200 response status.
  WriteLn('response status code = ' + respStatusCode);

  json := TJsonObject.Create;
  json.LoadSb(sbResponseBody);
  json.EmitCompact := False;
  WriteLn(json.Emit());

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

  //  {
  //    "Action": "InventoryRetrieval",
  //    "ArchiveId": null,
  //    "ArchiveSHA256TreeHash": null,
  //    "ArchiveSizeInBytes": null,
  //    "Completed": false,
  //    "CompletionDate": null,
  //    "CreationDate": "2019-04-09T22:48:48.700Z",
  //    "InventoryRetrievalParameters": {
  //      "EndDate": null,
  //      "Format": "CSV",
  //      "Limit": null,
  //      "Marker": null,
  //      "StartDate": null
  //    },
  //    "InventorySizeInBytes": null,
  //    "JobDescription": "My inventory job",
  //    "JobId": "E-mCnb3j122yvz5PRFGzETmFVXVrkX_pgI8PIuwBKNRyI8pAJqIetKwzkJC5a6blIvYZrrVohiBENQVhZE1a-K-x-uRO",
  //    "JobOutputPath": null,
  //    "OutputLocation": null,
  //    "RetrievalByteRange": null,
  //    "SHA256TreeHash": null,
  //    "SNSTopic": null,
  //    "SelectParameters": null,
  //    "StatusCode": "InProgress",
  //    "StatusMessage": null,
  //    "Tier": null,
  //    "VaultARN": "arn:aws:glacier:us-west-2:954491834127:vaults/chilkat"
  //  }
  //  

  Action := json.StringOf('Action');
  ArchiveId := json.StringOf('ArchiveId');
  ArchiveSHA256TreeHash := json.StringOf('ArchiveSHA256TreeHash');
  ArchiveSizeInBytes := json.StringOf('ArchiveSizeInBytes');
  Completed := json.BoolOf('Completed');
  CompletionDate := json.StringOf('CompletionDate');
  CreationDate := json.StringOf('CreationDate');
  InventoryRetrievalParametersEndDate := json.StringOf('InventoryRetrievalParameters.EndDate');
  InventoryRetrievalParametersFormat := json.StringOf('InventoryRetrievalParameters.Format');
  InventoryRetrievalParametersLimit := json.StringOf('InventoryRetrievalParameters.Limit');
  InventoryRetrievalParametersMarker := json.StringOf('InventoryRetrievalParameters.Marker');
  InventoryRetrievalParametersStartDate := json.StringOf('InventoryRetrievalParameters.StartDate');
  InventorySizeInBytes := json.StringOf('InventorySizeInBytes');
  JobDescription := json.StringOf('JobDescription');
  JobId := json.StringOf('JobId');
  JobOutputPath := json.StringOf('JobOutputPath');
  OutputLocation := json.StringOf('OutputLocation');
  RetrievalByteRange := json.StringOf('RetrievalByteRange');
  SHA256TreeHash := json.StringOf('SHA256TreeHash');
  SNSTopic := json.StringOf('SNSTopic');
  SelectParameters := json.StringOf('SelectParameters');
  StatusCode := json.StringOf('StatusCode');
  StatusMessage := json.StringOf('StatusMessage');
  Tier := json.StringOf('Tier');
  VaultARN := json.StringOf('VaultARN');


  rest.Free;
  authAws.Free;
  sbResponseBody.Free;
  json.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.