From 63d00dacc13122618c3bdb29badc8449c52e0bb7 Mon Sep 17 00:00:00 2001
From: Jakob Odersky <jakob@odersky.com>
Date: Mon, 17 Apr 2017 15:40:20 -0700
Subject: Fix deprecation warnings

---
 core/src/main/scala/akka/serial/Serial.scala  | 10 ++++++++--
 core/src/main/scala/akka/serial/Watcher.scala |  6 +++---
 2 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/core/src/main/scala/akka/serial/Serial.scala b/core/src/main/scala/akka/serial/Serial.scala
index a8e564a..c70d66e 100644
--- a/core/src/main/scala/akka/serial/Serial.scala
+++ b/core/src/main/scala/akka/serial/Serial.scala
@@ -1,10 +1,16 @@
 package akka.serial
 
-import akka.actor.ExtensionKey
+import akka.actor.{ActorSystem, ExtendedActorSystem, ExtensionId, ExtensionIdProvider}
 import akka.util.ByteString
 
 /** Defines messages used by akka-serial's serial IO layer. */
-object Serial extends ExtensionKey[SerialExt] {
+object Serial extends ExtensionId[SerialExt] with ExtensionIdProvider {
+
+  override def lookup = Serial
+
+  override def createExtension(system: ExtendedActorSystem): SerialExt = new SerialExt(system)
+
+  override def get(system: ActorSystem): SerialExt = super.get(system)
 
   /** Base trait for any akka-serial-related messages. */
   sealed trait Message
diff --git a/core/src/main/scala/akka/serial/Watcher.scala b/core/src/main/scala/akka/serial/Watcher.scala
index faaf39a..0dfaa5f 100644
--- a/core/src/main/scala/akka/serial/Watcher.scala
+++ b/core/src/main/scala/akka/serial/Watcher.scala
@@ -3,7 +3,7 @@ package akka.serial
 import akka.actor.{ Actor, ActorRef, Props, Terminated }
 import java.nio.file.{ ClosedWatchServiceException, FileSystems, Files, Path, Paths, WatchEvent, WatchKey }
 import java.nio.file.StandardWatchEventKinds._
-import scala.collection.JavaConversions._
+import scala.collection.JavaConverters._
 import scala.collection.mutable.{ HashMap, Map, MultiMap, Set }
 import scala.util.{ Failure, Success, Try }
 
@@ -23,7 +23,7 @@ private[serial] class Watcher(from: Option[ActorRef]) extends Actor {
       while (!stop) {
         try {
           val key = service.take()
-          key.pollEvents() foreach { ev =>
+          key.pollEvents().asScala foreach { ev =>
             val event = ev.asInstanceOf[WatchEvent[Path]]
             if (event.kind == ENTRY_CREATE) {
               val directory = key.watchable().asInstanceOf[Path]
@@ -95,7 +95,7 @@ private[serial] class Watcher(from: Option[ActorRef]) extends Actor {
         case Success(key) =>
           context watch sender
           if (!skipInitial) {
-            Files.newDirectoryStream(normalPath) foreach { path =>
+            Files.newDirectoryStream(normalPath).asScala foreach { path =>
               if (!Files.isDirectory(path)) {
                 reply(Serial.Connected(path.toString), sender)
               }
-- 
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