Dart

Amazon Glacier List Vaults

See more Amazon Glacier Examples

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

import 'package:chilkat/chilkat.dart';

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

  final rest = CkRest();

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

  // Provide AWS credentials.
  final authAws = CkAuthAws();
  authAws.accessKey = 'AWS_ACCESS_KEY';
  authAws.secretKey = 'AWS_SECRET_KEY';
  authAws.serviceName = 'glacier';
  authAws.region = 'us-west-2';

  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 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.
  final sbResponseBody = CkStringBuilder();
  try {
    rest.fullRequestNoBodySb('GET', '/AWS_ACCOUNT_ID/vaults', sbResponseBody);
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  final respStatusCode = rest.responseStatusCode;
  if (respStatusCode >= 400) {
    print('Response Status Code = $respStatusCode');
    print('Response Header:');
    print(rest.responseHeader);
    print('Response Body:');
    print(sbResponseBody.getAsString());
    return;
  }

  // Success is indicated by a 200 response status with an empty response body.
  print('response status code = $respStatusCode');

  final json = CkJsonObject();
  json.loadSb(sbResponseBody);
  json.emitCompact = false;

  print(json.emit());

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

  var i = 0;
  var creationDate = '';
  var lastInventoryDate = '';
  var numberOfArchives = 0;
  var sizeInBytes = 0;
  var vaultARN = '';
  var vaultName = '';

  final marker = json.stringOf('Marker');
  i = 0;
  final countI = json.sizeOfArray('VaultList');
  while (i < countI) {
    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++;
  }

  // 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"
  //     }
  //   ]
  // }
  // 
}