Unicode C++

SNS List Topics

See more Amazon SNS Examples

List the existing SNS topics.

See SNS List Topics for more information.

Unicode C++

#include <CkRestW.h>
#include <CkAuthAwsW.h>
#include <CkXmlW.h>

void ChilkatSample(void)
    {
    bool success = false;

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

    CkRestW 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;
    success = rest.Connect(L"sns.us-west-2.amazonaws.com",port,bTls,bAutoReconnect);

    //  Provide AWS credentials for the REST call.
    CkAuthAwsW authAws;
    authAws.put_AccessKey(L"AWS_ACCESS_KEY");
    authAws.put_SecretKey(L"AWS_SECRET_KEY");
    //  the region should match our URL above..
    authAws.put_Region(L"us-west-2");
    authAws.put_ServiceName(L"sns");

    rest.SetAuthAws(authAws);

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

    const wchar_t *responseXml = rest.fullRequestNoBody(L"GET",L"/");
    if (rest.get_LastMethodSuccess() != true) {
        wprintf(L"%s\n",rest.lastErrorText());
        return;
    }

    //  A successful response will have a status code equal to 200.
    if (rest.get_ResponseStatusCode() != 200) {
        wprintf(L"response status code = %d\n",rest.get_ResponseStatusCode());
        wprintf(L"response status text = %s\n",rest.responseStatusText());
        wprintf(L"response header: %s\n",rest.responseHeader());
        wprintf(L"response body: %s\n",responseXml);
        return;
    }

    //  Examine the successful XML response (shown below)
    CkXmlW xml;
    xml.LoadXml(responseXml);
    wprintf(L"%s\n",xml.getXml());

    //  To iterate over the TopicArn's
    const wchar_t *notUsed = xml.chilkatPath(L"ListTopicsResult|Topics|$");
    int i = 0;
    int numTopics = xml.get_NumChildren();
    while (i < numTopics) {
        xml.GetChild2(i);
        wprintf(L"%s\n",xml.getChildContent(L"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>
    }