(C# UWP/WinRT) SNS List Topics

List the existing SNS topics.

See SNS List Topics for more information.

Chilkat Universal Windows Platform (UWP) / WinRT Downloads Chilkat for the Universal Windows Platform (UWP)

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

Chilkat.Rest rest = new Chilkat.Rest();

// Connect to the Amazon AWS REST server.
// such as https://sns.us-west-2.amazonaws.com/
bool bTls = true;
int port = 443;
bool bAutoReconnect = true;
bool success = await rest.ConnectAsync("sns.us-west-2.amazonaws.com",port,bTls,bAutoReconnect);

// Provide AWS credentials for the REST call.
Chilkat.AuthAws authAws = new Chilkat.AuthAws();
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","ListTopics");

string responseXml = await rest.FullRequestNoBodyAsync("GET","/");
if (rest.LastMethodSuccess != true) {
    Debug.WriteLine(rest.LastErrorText);
    return;
}

// A successful response will have a status code equal to 200.
if (rest.ResponseStatusCode != 200) {
    Debug.WriteLine("response status code = " + Convert.ToString(rest.ResponseStatusCode));
    Debug.WriteLine("response status text = " + rest.ResponseStatusText);
    Debug.WriteLine("response header: " + rest.ResponseHeader);
    Debug.WriteLine("response body: " + responseXml);
    return;
}

// Examine the successful XML response (shown below)
Chilkat.Xml xml = new Chilkat.Xml();
xml.LoadXml(responseXml);
Debug.WriteLine(xml.GetXml());

// To iterate over the TopicArn's
string notUsed = xml.ChilkatPath("ListTopicsResult|Topics|$");
int i = 0;
int numTopics = xml.NumChildren;
while (i < numTopics) {
    xml.GetChild2(i);
    Debug.WriteLine(xml.GetChildContent("TopicArn"));
    xml.GetParent2();
    i = i + 1;
}

xml.GetRoot2();

// A sample successful response:
// <?xml version="1.0" encoding="utf-8" ?>
// <ListTopicsResponse xmlns="http://sns.amazonaws.com/doc/2010-03-31/">
//     <ListTopicsResult>
//         <Topics>
//             <member>
//                 <TopicArn>arn:aws:sns:us-west-2:957491831129:chilkat</TopicArn>
//             </member>
//             <member>
//                 <TopicArn>arn:aws:sns:us-west-2:957491831129:chilkat123</TopicArn>
//             </member>
//             <member>
//                 <TopicArn>arn:aws:sns:us-west-2:957491831129:chilkatses</TopicArn>
//             </member>
//         </Topics>
//     </ListTopicsResult>
//     <ResponseMetadata>
//         <RequestId>54514f94-b07d-5f0b-9c8a-1ff85ff4ac65</RequestId>
//     </ResponseMetadata>
// </ListTopicsResponse>