Cleaning up some of the Java samples and adding sender to the UnhandledMessage

akka-docs/java/code/akka/docs/actor/MyReceivedTimeoutUntypedActor.java

@@ -22,7 +22,7 @@ public class MyReceivedTimeoutUntypedActor extends UntypedActor {
     } else if (message == Actors.receiveTimeout()) {
       throw new RuntimeException("received timeout");
     } else {
-      throw new UnhandledMessageException(message, getSelf());
+      unhandled(message);
     }
   }
 }

akka-docs/java/code/akka/docs/actor/MyUntypedActor.java

@@ -16,7 +16,7 @@ public class MyUntypedActor extends UntypedActor {
     if (message instanceof String)
       log.info("Received String message: {}", message);
     else
-      throw new UnhandledMessageException(message, getSelf());
+      unhandled(message);
   }
 }
 //#my-untyped-actor

akka-docs/java/code/akka/docs/actor/UntypedActorSwapper.java

@@ -37,7 +37,7 @@ public class UntypedActorSwapper {
           }
         });
       } else {
-        throw new UnhandledMessageException(message, getSelf());
+        unhandled(message);
       }
     }
   }