(Ruby) SNS List Topics

List the existing SNS topics.

See SNS List Topics for more information.

Chilkat Ruby Downloads install from rubygems.org gem install chilkat or download... Ruby Library for Windows, MacOS, Linux, Alpine Linux

require 'chilkat'

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

rest = Chilkat::CkRest.new()

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

# Provide AWS credentials for the REST call.
authAws = Chilkat::CkAuthAws.new()
authAws.put_AccessKey("AWS_ACCESS_KEY")
authAws.put_SecretKey("AWS_SECRET_KEY")
# the region should match our URL above..
authAws.put_Region("us-west-2")
authAws.put_ServiceName("sns")

rest.SetAuthAws(authAws)

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

responseXml = rest.fullRequestNoBody("GET","/")
if (rest.get_LastMethodSuccess() != true)
    print rest.lastErrorText() + "\n";
    exit
end

# A successful response will have a status code equal to 200.
if (rest.get_ResponseStatusCode() != 200)
    print "response status code = " + rest.get_ResponseStatusCode().to_s() + "\n";
    print "response status text = " + rest.responseStatusText() + "\n";
    print "response header: " + rest.responseHeader() + "\n";
    print "response body: " + responseXml + "\n";
    exit
end

# Examine the successful XML response (shown below)
xml = Chilkat::CkXml.new()
xml.LoadXml(responseXml)
print xml.getXml() + "\n";

# To iterate over the TopicArn's
notUsed = xml.chilkatPath("ListTopicsResult|Topics|$")
i = 0
numTopics = xml.get_NumChildren()
while i < numTopics
    xml.GetChild2(i)
    print xml.getChildContent("TopicArn") + "\n";
    xml.GetParent2()
    i = i + 1
end
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>