// Create a subscription for a Topic on the broker
NotificationBroker notificationBroker
= new NotificationBroker("http://localhost:" + wsnPort + "/wsn/NotificationBroker",Email.class);
Subscription subscription = notificationBroker.subscribe(consumer, topic);
// Create new email object to send
Email mail = new Email("standalone@client.com","you@gotmail.com","This is the standalone client speaking","This thing works!");
// Send a notification on the Topic