def initSimplePubSub(self):
      ## register a single, fixed URI as PubSub topic
      self.registerForPubSub("http://example.com/simple")

      ## register a URI and all URIs having the string as prefix as PubSub topic
      self.registerForPubSub("http://example.com/event#", True)

      ## register any URI (string) as topic
      #self.registerForPubSub("", True)