Dart

SNS Create Topic

See more Amazon SNS Examples

Creates a new SNS topic.

See SNS CreateTopic for more information.

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.
  // such as https://sns.us-west-2.amazonaws.com/
  final bTls = true;
  final port = 443;
  final bAutoReconnect = true;
  rest.connect('sns.us-west-2.amazonaws.com', port, bTls, bAutoReconnect);

  // Provide AWS credentials for the REST call.
  final authAws = CkAuthAws();
  authAws.accessKey = 'AWS_ACCESS_KEY';
  authAws.secretKey = 'AWS_SECRET_KEY';
  // the region should match our URL above..
  authAws.region = 'us-west-2';
  authAws.serviceName = 'sns';

  rest.setAuthAws(authAws);

  rest.addQueryParam('Action', 'CreateTopic');
  rest.addQueryParam('Name', 'chilkat');

  final String responseXml;
  try {
    responseXml = rest.fullRequestNoBody('GET', '/');
  } on ChilkatException catch (e) {
    print(e.lastErrorText);
    return;
  }

  // A successful response will have a status code equal to 200.
  if (rest.responseStatusCode != 200) {
    print('response status code = ${rest.responseStatusCode}');
    print('response status text = ${rest.responseStatusText}');
    print('response header: ${rest.responseHeader}');
    print('response body: $responseXml');
    return;
  }

  // Examine the successful XML response.
  final xml = CkXml();
  xml.loadXml(responseXml);
  print(xml.getXml());

  // To get the TopicArn or RequestId
  print('TopicArn: ${xml.chilkatPath('CreateTopicResult|TopicArn|*')}');
  print('RequestId: ${xml.chilkatPath('ResponseMetadata|RequestId|*')}');

  // A sample successful response:
  // <?xml version="1.0" encoding="utf-8" ?>
  // <CreateTopicResponse xmlns="http://sns.amazonaws.com/doc/2010-03-31/">
  //     <CreateTopicResult>
  //         <TopicArn>arn:aws:sns:us-west-2:123491831234:chilkat</TopicArn>
  //     </CreateTopicResult>
  //     <ResponseMetadata>
  //         <RequestId>abcd1234-d61a-5115-83bd-abcdabcd6961</RequestId>
  //     </ResponseMetadata>
  // </CreateTopicResponse>
}