Ruby

SNS List Topics

See more Amazon SNS Examples

List the existing SNS topics.

See SNS List Topics for more information.

Ruby

require 'chilkat'

success = false

# 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>