Split logging doc into scala and java. See #1467

akka-docs/scala/code/akka/docs/event/LoggingDocSpec.scala

@@ -0,0 +1,59 @@
+package akka.docs.event
+
+import akka.actor.ActorSystem
+import akka.testkit.AkkaSpec
+import akka.actor.Actor
+import akka.actor.Props
+
+object LoggingDocSpec {
+
+  //#my-actor
+  import akka.event.Logging
+
+  class MyActor extends Actor {
+    val log = Logging(context.system, this)
+    override def preStart() = {
+      log.debug("Starting")
+    }
+    override def preRestart(reason: Throwable, message: Option[Any]) {
+      log.error(reason, "Restarting due to [{}] when processing [{}]",
+        reason.getMessage, message.getOrElse(""))
+    }
+    def receive = {
+      case "test" ⇒ log.info("Received test")
+      case x      ⇒ log.warning("Received unknown message: {}", x)
+    }
+  }
+  //#my-actor
+
+  //#my-event-listener
+  import akka.event.Logging.InitializeLogger
+  import akka.event.Logging.LoggerInitialized
+  import akka.event.Logging.Error
+  import akka.event.Logging.Warning
+  import akka.event.Logging.Info
+  import akka.event.Logging.Debug
+
+  class MyEventListener extends Actor {
+    def receive = {
+      case InitializeLogger(_)              ⇒ sender ! LoggerInitialized
+      case Error(cause, logSource, message) ⇒ // ...
+      case Warning(logSource, message)      ⇒ // ...
+      case Info(logSource, message)         ⇒ // ...
+      case Debug(logSource, message)        ⇒ // ...
+    }
+  }
+  //#my-event-listener
+
+}
+
+class LoggingDocSpec extends AkkaSpec {
+
+  import LoggingDocSpec.MyActor
+
+  "use a logging actor" in {
+    val myActor = system.actorOf(Props(new MyActor))
+    myActor ! "test"
+  }
+
+}