Visual Basic 6.0

SNS List Topics

See more Amazon SNS Examples

List the existing SNS topics.

See SNS List Topics for more information.

Visual Basic 6.0

Dim success As Long
success = 0

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

Dim rest As New ChilkatRest

' Connect to the Amazon AWS REST server.
' such as https://sns.us-west-2.amazonaws.com/
Dim bTls As Long
bTls = 1
Dim port As Long
port = 443
Dim bAutoReconnect As Long
bAutoReconnect = 1
success = rest.Connect("sns.us-west-2.amazonaws.com",port,bTls,bAutoReconnect)

' Provide AWS credentials for the REST call.
Dim authAws As New ChilkatAuthAws
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 <> 1) Then
    Debug.Print rest.LastErrorText
    Exit Sub
End If

' A successful response will have a status code equal to 200.
If (rest.ResponseStatusCode <> 200) Then
    Debug.Print "response status code = " & rest.ResponseStatusCode
    Debug.Print "response status text = " & rest.ResponseStatusText
    Debug.Print "response header: " & rest.ResponseHeader
    Debug.Print "response body: " & responseXml
    Exit Sub
End If

' Examine the successful XML response (shown below)
Dim xml As New ChilkatXml
success = xml.LoadXml(responseXml)
Debug.Print xml.GetXml()

' To iterate over the TopicArn's
Dim notUsed As String
notUsed = xml.ChilkatPath("ListTopicsResult|Topics|$")
Dim i As Long
i = 0
Dim numTopics As Long
numTopics = xml.NumChildren
Do While i < numTopics
    success = xml.GetChild2(i)
    Debug.Print xml.GetChildContent("TopicArn")
    success = xml.GetParent2()
    i = i + 1
Loop
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>