added akka camel docs

akka-docs/scala/code/docs/camel/PublishSubscribe.scala

@@ -0,0 +1,48 @@
+package docs.camel
+
+
+object PublishSubscribe {
+  {
+    //#PubSub
+    import akka.actor.{Actor, ActorRef, ActorSystem, Props}
+    import akka.camel.{Producer, CamelMessage, Consumer}
+
+    class Subscriber(name:String, uri: String) extends Actor with Consumer {
+      def endpointUri = uri
+
+      protected def receive = {
+        case msg: CamelMessage => println("%s received: %s" format (name, msg.body))
+      }
+    }
+
+    class Publisher(name: String, uri: String) extends Actor with Producer {
+
+      def endpointUri = uri
+
+      // one-way communication with JMS
+      override def oneway = true
+    }
+
+    class PublisherBridge(uri: String, publisher: ActorRef) extends Actor with Consumer {
+      def endpointUri = uri
+
+      protected def receive = {
+        case msg: CamelMessage => {
+          publisher ! msg.bodyAs[String]
+          sender ! ("message published")
+        }
+      }
+    }
+
+    // Add below to a Boot class
+    // Setup publish/subscribe example
+    val system = ActorSystem("some-system")
+    val jmsUri = "jms:topic:test"
+    val jmsSubscriber1 = system.actorOf(Props(new Subscriber("jms-subscriber-1", jmsUri)))
+    val jmsSubscriber2 = system.actorOf(Props(new Subscriber("jms-subscriber-2", jmsUri)))
+    val jmsPublisher   = system.actorOf(Props(new Publisher("jms-publisher", jmsUri)))
+    val jmsPublisherBridge = system.actorOf(Props(new PublisherBridge("jetty:http://0.0.0.0:8877/camel/pub/jms", jmsPublisher)))
+    //#PubSub
+
+  }
+}