(Xojo Plugin) SNS List Topics

List the existing SNS topics.

See SNS List Topics for more information.

Chilkat Xojo Plugin Download Xojo Plugin for Windows, Linux, Mac OS X, and ARM, ARM64

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

Dim rest As New Chilkat.Rest

// Connect to the Amazon AWS REST server.
// such as https://sns.us-west-2.amazonaws.com/
Dim bTls As Boolean
bTls = True
Dim port As Int32
port = 443
Dim bAutoReconnect As Boolean
bAutoReconnect = True
Dim success As Boolean
success = rest.Connect("sns.us-west-2.amazonaws.com",port,bTls,bAutoReconnect)

// Provide AWS credentials for the REST call.
Dim authAws As 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"

success = rest.SetAuthAws(authAws)

success = rest.AddQueryParam("Action","ListTopics")

Dim responseXml As String
responseXml = rest.FullRequestNoBody("GET","/")
If (rest.LastMethodSuccess <> True) Then
    System.DebugLog(rest.LastErrorText)
    Return
End If

// A successful response will have a status code equal to 200.
If (rest.ResponseStatusCode <> 200) Then
    System.DebugLog("response status code = " + Str(rest.ResponseStatusCode))
    System.DebugLog("response status text = " + rest.ResponseStatusText)
    System.DebugLog("response header: " + rest.ResponseHeader)
    System.DebugLog("response body: " + responseXml)
    Return
End If

// Examine the successful XML response (shown below)
Dim xml As New Chilkat.Xml
success = xml.LoadXml(responseXml)
System.DebugLog(xml.GetXml())

// To iterate over the TopicArn's
Dim notUsed As String
notUsed = xml.ChilkatPath("ListTopicsResult|Topics|$")
Dim i As Int32
i = 0
Dim numTopics As Int32
numTopics = xml.NumChildren
While i < numTopics
    success = xml.GetChild2(i)
    System.DebugLog(xml.GetChildContent("TopicArn"))
    success = xml.GetParent2()
    i = i + 1
Wend
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>