Dart

Amazon Glacier Remove Tags from Vault

See more Amazon Glacier Examples

Demonstrates how to remove one or more tags from the set of tags attached to a vault. 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 Remove Tags from Vault Reference Documentation
  // 
  rest.addHeader('x-amz-glacier-version', '2012-06-01');

  // Create the JSON indicating the tags to be removed:
  // Use this online tool to generate the code from sample JSON: 
  // Generate Code to Create JSON

  // {
  //    "TagKeys": [
  //       "tagName1",
  //       "tagName2"
  //    ]
  // }

  final json = CkJsonObject();
  json.updateString('TagKeys[0]', 'tagName1');
  json.updateString('TagKeys[1]', 'tagName2');
  // ...
  // ...

  final sbRequestBody = CkStringBuilder();
  json.emitSb(sbRequestBody);

  // Add tags to the vault named "chilkat"
  final sbResponseBody = CkStringBuilder();
  try {
    rest.fullRequestSb('POST', '/AWS_ACCOUNT_ID/vaults/chilkat/tags?operation=remove', sbRequestBody, 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 204 response status with an empty response body.
  print('response status code = $respStatusCode');
}