Fixes akka#1101. Using akka.japi.function.Function .

benchmark-java/src/main/java/akka/grpc/benchmarks/Utils.java

@@ -20,7 +20,6 @@
 import akka.actor.ActorSystem;
 import akka.grpc.GrpcClientSettings;
 import akka.grpc.SSLContextUtils;
-import akka.grpc.benchmarks.proto.Control;
 import akka.grpc.benchmarks.proto.Messages;
 import akka.grpc.benchmarks.proto.Messages.Payload;
 import akka.grpc.benchmarks.proto.Messages.SimpleRequest;
@@ -183,7 +182,7 @@ public static HttpsConnectionContext serverHttpContext() throws Exception {
     SSLContext context = SSLContext.getInstance("TLS");
     context.init(keyManagerFactory.getKeyManagers(), null, new SecureRandom());
 
-    return ConnectionContext.https(context);
+    return ConnectionContext.httpsServer(context);
   }
 
   public static GrpcClientSettings createGrpcClientSettings(InetSocketAddress socketAddress, boolean useTls, ActorSystem system) {

benchmark-java/src/main/java/akka/grpc/benchmarks/driver/LoadWorker.java

@@ -26,7 +26,6 @@
 import akka.grpc.benchmarks.proto.Control.ServerArgs.ArgtypeCase;
 import akka.grpc.benchmarks.proto.WorkerService;
 import akka.grpc.benchmarks.proto.WorkerServiceHandlerFactory;
-import akka.http.javadsl.ConnectWithHttps;
 import akka.http.javadsl.Http;
 import akka.http.javadsl.ServerBinding;
 import akka.stream.ActorMaterializer;
@@ -56,7 +55,7 @@ public class LoadWorker {
   private final int driverPort;
   private final int serverPort;
 
-  LoadWorker(ActorSystem system, int driverPort, int serverPort) throws Exception {
+  LoadWorker(ActorSystem system, int driverPort, int serverPort) {
     this.system = system;
     this.driverPort = driverPort;
     this.serverPort = serverPort;
@@ -67,11 +66,10 @@ public CompletionStage<ServerBinding> start() throws Exception {
 
     WorkerServiceImpl impl = new WorkerServiceImpl(mat);
 
-    CompletionStage<ServerBinding> bound = Http.get(system).bindAndHandleAsync(
-        WorkerServiceHandlerFactory.create(impl, system),
-        ConnectWithHttps.toHostHttps("0.0.0.0", driverPort).withCustomHttpsContext(Utils.serverHttpContext()),
-        mat);
-
+    CompletionStage<ServerBinding> bound = Http.get(system)
+            .newServerAt("127.0.0.1", driverPort)
+            .enableHttps(Utils.serverHttpContext()))
+            .bind(WorkerServiceHandlerFactory.create(impl, system));
 
         bound.thenAccept(binding -> {
           System.out.println("gRPC server bound to: " + binding.localAddress());
@@ -108,9 +106,9 @@ public static void main(String[] args) throws Exception {
       }
       String value = parts[1];
       if ("server_port".equals(key)) {
-        serverPort = Integer.valueOf(value);
+        serverPort = Integer.parseInt(value);
       } else if ("driver_port".equals(key)) {
-        driverPort = Integer.valueOf(value);
+        driverPort = Integer.parseInt(value);
       } else {
         System.err.println("Unknown argument: " + key);
         usage = true;

benchmark-java/src/main/java/akka/grpc/benchmarks/qps/AsyncServer.java

@@ -23,9 +23,8 @@
 import akka.grpc.benchmarks.proto.BenchmarkService;
 import akka.grpc.benchmarks.proto.BenchmarkServiceHandlerFactory;
 import akka.grpc.benchmarks.proto.Messages;
-import akka.http.javadsl.ConnectHttp;
-import akka.http.javadsl.ConnectWithHttps;
 import akka.http.javadsl.Http;
+import akka.http.javadsl.ServerBuilder;
 import akka.stream.ActorMaterializer;
 import akka.stream.KillSwitches;
 import akka.stream.Materializer;
@@ -77,22 +76,21 @@ public void run(InetSocketAddress address, boolean useTls) throws Exception {
 
     benchmarkService = new BenchmarkServiceImpl(mat);
 
+    final ServerBuilder serverBuilder = Http
+        .get(system)
+        .newServerAt(address.getHostName(), address.getPort());
+
     if (useTls) {
-      Http.get(system).bindAndHandleAsync(
-        BenchmarkServiceHandlerFactory.create(benchmarkService, system),
-        ConnectWithHttps.toHostHttps(address.getHostName(), address.getPort()).withCustomHttpsContext(Utils.serverHttpContext()),
-        mat)
+      serverBuilder
+        .enableHttps(Utils.serverHttpContext())
+        .bind(BenchmarkServiceHandlerFactory.create(benchmarkService, system))
         .thenAccept(binding -> {
           System.out.println("gRPC server bound to: https://" + address);
         });
     } else {
-      Http.get(system).bindAndHandleAsync(
-        BenchmarkServiceHandlerFactory.create(benchmarkService, system),
-        ConnectHttp.toHost(address.getHostName(), address.getPort()),
-        mat
-        ).thenAccept(binding -> {
-        System.out.println("gRPC server bound to: http://" + address);
-      });
+      serverBuilder
+        .bind(BenchmarkServiceHandlerFactory.create(benchmarkService, system))
+        .thenAccept(binding -> System.out.println("gRPC server bound to: http://" + address));
     }
   }
 

codegen/src/main/twirl/templates/JavaServer/Handler.scala.txt

@@ -11,7 +11,7 @@ import java.util.Iterator;
 import java.util.concurrent.CompletableFuture;
 import java.util.concurrent.CompletionStage;
 
-import akka.japi.Function;
+import akka.japi.function.Function;
 import akka.actor.ActorSystem;
 import akka.actor.ClassicActorSystemProvider;
 import akka.annotation.ApiMayChange;

interop-tests/src/main/java/akka/grpc/interop/AkkaGrpcServerJava.java

@@ -24,7 +24,7 @@
 import akka.http.javadsl.model.*;
 import akka.http.javadsl.*;
 import akka.http.javadsl.settings.ServerSettings;
-import akka.japi.Function;
+import akka.japi.function.Function;
 import akka.stream.*;
 import com.typesafe.config.ConfigFactory;
 import io.grpc.internal.testing.TestUtils;

plugin-tester-java/src/main/java/example/myapp/CombinedServer.java

@@ -5,7 +5,7 @@
 package example.myapp;
 
 import akka.actor.ActorSystem;
-import akka.http.javadsl.*;
+import akka.http.javadsl.Http;
 import akka.stream.ActorMaterializer;
 import akka.stream.Materializer;
 import com.typesafe.config.Config;
@@ -18,7 +18,7 @@
 import akka.grpc.javadsl.ServiceHandler;
 import akka.http.javadsl.model.HttpRequest;
 import akka.http.javadsl.model.HttpResponse;
-import akka.japi.Function;
+import akka.japi.function.Function;
 
 //#import
 
@@ -33,7 +33,7 @@
 import example.myapp.echo.grpc.*;
 
 class CombinedServer {
-  public static void main(String[] args) throws Exception {
+  public static void main(String[] args) {
       // important to enable HTTP/2 in ActorSystem's config
       Config conf = ConfigFactory.parseString("akka.http.server.preview.enable-http2 = on")
         .withFallback(ConfigFactory.defaultApplication());
@@ -45,13 +45,13 @@ public static void main(String[] args) throws Exception {
           GreeterServiceHandlerFactory.create(new GreeterServiceImpl(mat), sys);
       Function<HttpRequest, CompletionStage<HttpResponse>> echoService =
         EchoServiceHandlerFactory.create(new EchoServiceImpl(), sys);
+      @SuppressWarnings("unchecked")
       Function<HttpRequest, CompletionStage<HttpResponse>> serviceHandlers =
-        ServiceHandler.concatOrNotFound(greeterService, echoService);
+        ServiceHandler.handler(greeterService, echoService);
 
-      Http.get(sys).bindAndHandleAsync(
-          serviceHandlers,
-          ConnectHttp.toHost("127.0.0.1", 8090),
-          mat)
+      Http.get(sys)
+          .newServerAt("127.0.0.1", 8090)
+          .bind(serviceHandlers)
       //#concatOrNotFound
       .thenAccept(binding -> {
         System.out.println("gRPC server bound to: " + binding.localAddress());
@@ -61,10 +61,9 @@ public static void main(String[] args) throws Exception {
       Function<HttpRequest, CompletionStage<HttpResponse>> grpcWebServiceHandlers =
           WebHandler.grpcWebHandler(Arrays.asList(greeterService, echoService), sys, mat);
 
-      Http.get(sys).bindAndHandleAsync(
-          grpcWebServiceHandlers,
-          ConnectHttp.toHost("127.0.0.1", 8091),
-          mat)
+      Http.get(sys)
+        .newServerAt("127.0.0.1", 8090)
+        .bind(grpcWebServiceHandlers)
       //#grpc-web
       .thenAccept(binding -> {
           System.out.println("gRPC-Web server bound to: " + binding.localAddress());

plugin-tester-java/src/main/java/example/myapp/helloworld/AuthenticatedGreeterServer.java

@@ -11,14 +11,12 @@
 import com.typesafe.config.ConfigFactory;
 
 import akka.actor.ActorSystem;
-import akka.grpc.javadsl.RouteUtils;
-import akka.http.javadsl.ConnectHttp;
 import akka.http.javadsl.Http;
 import akka.http.javadsl.ServerBinding;
 import akka.http.javadsl.model.HttpRequest;
 import akka.http.javadsl.model.HttpResponse;
 import akka.http.javadsl.server.Route;
-import akka.japi.Function;
+import akka.japi.function.Function;
 import akka.stream.ActorMaterializer;
 import akka.stream.Materializer;
 
@@ -61,7 +59,7 @@ public static CompletionStage<ServerBinding> run(ActorSystem sys) throws Excepti
     Function<HttpRequest, CompletionStage<HttpResponse>> handler = GreeterServiceHandlerFactory.create(impl, sys);
 
     // As a Route
-    Route handlerRoute = RouteUtils.fromFunction(handler, sys);
+    Route handlerRoute = handle(handler);
     //#grpc-route
 
     //#grpc-protected
@@ -82,10 +80,9 @@ public static CompletionStage<ServerBinding> run(ActorSystem sys) throws Excepti
       protectedHandler
     );
 
-    return Http.get(sys).bindAndHandleAsync(
-      RouteUtils.toFunction(finalRoute, sys),
-      ConnectHttp.toHost("127.0.0.1", 8090),
-      mat);
+    return Http.get(sys)
+      .newServerAt("127.0.0.1", 8090)
+      .bind(finalRoute);
     //#combined
   }
 }

plugin-tester-java/src/main/java/example/myapp/helloworld/GreeterServer.java

@@ -38,10 +38,10 @@ public static CompletionStage<ServerBinding> run(ActorSystem sys) throws Excepti
     // Instantiate implementation
     GreeterService impl = new GreeterServiceImpl(mat);
 
-    return Http.get(sys).bindAndHandleAsync(
-      GreeterServiceHandlerFactory.create(impl, sys),
-      ConnectHttp.toHost("127.0.0.1", 8090),
-      mat);
+    return Http
+      .get(sys)
+      .newServerAt("127.0.0.1", 8090)
+      .bind(GreeterServiceHandlerFactory.create(impl, sys));
   }
 }
 //#full-server

plugin-tester-java/src/main/java/example/myapp/helloworld/PowerGreeterServer.java

@@ -40,10 +40,10 @@ public static CompletionStage<ServerBinding> run(ActorSystem sys) throws Excepti
       // Instantiate implementation
       GreeterServicePowerApi impl = new GreeterServicePowerApiImpl(mat);
 
-      return Http.get(sys).bindAndHandleAsync(
-        GreeterServicePowerApiHandlerFactory.create(impl, sys),
-        ConnectHttp.toHost("127.0.0.1", 8091),
-        mat);
+      return Http
+        .get(sys)
+        .newServerAt("127.0.0.1", 8091)
+        .bind(GreeterServicePowerApiHandlerFactory.create(impl,sys));
   }
 }
 //#full-server

runtime/src/main/scala/akka/grpc/javadsl/GrpcMarshalling.scala

@@ -4,21 +4,20 @@
 
 package akka.grpc.javadsl
 
-import java.util.concurrent.{ CompletableFuture, CompletionStage }
+import java.util.concurrent.{CompletableFuture, CompletionStage}
 import java.util.Optional
 
 import akka.NotUsed
 import akka.actor.ActorSystem
 import akka.actor.ClassicActorSystemProvider
 import akka.grpc._
 import akka.grpc.internal._
-import akka.grpc.GrpcProtocol.{ GrpcProtocolReader, GrpcProtocolWriter }
-import akka.http.javadsl.model.{ HttpRequest, HttpResponse }
-import akka.japi.Function
+import akka.grpc.GrpcProtocol.{GrpcProtocolReader, GrpcProtocolWriter}
+import akka.http.javadsl.model.{HttpRequest, HttpResponse}
+import akka.japi.{Function => JFunction}
 import akka.stream.Materializer
 import akka.stream.javadsl.Source
 import akka.util.ByteString
-
 import com.github.ghik.silencer.silent
 
 object GrpcMarshalling {
@@ -62,7 +61,7 @@ object GrpcMarshalling {
       m: ProtobufSerializer[T],
       writer: GrpcProtocolWriter,
       system: ClassicActorSystemProvider,
-      eHandler: Function[ActorSystem, Function[Throwable, Trailers]] = GrpcExceptionHandler.defaultMapper)
+      eHandler: JFunction[ActorSystem, JFunction[Throwable, Trailers]] = GrpcExceptionHandler.defaultMapper)
       : HttpResponse =
     marshalStream(Source.single(e), m, writer, system, eHandler)
 
@@ -71,7 +70,7 @@ object GrpcMarshalling {
       m: ProtobufSerializer[T],
       writer: GrpcProtocolWriter,
       system: ClassicActorSystemProvider,
-      eHandler: Function[ActorSystem, Function[Throwable, Trailers]] = GrpcExceptionHandler.defaultMapper)
+      eHandler: JFunction[ActorSystem, JFunction[Throwable, Trailers]] = GrpcExceptionHandler.defaultMapper)
       : HttpResponse =
     GrpcResponseHelpers(e.asScala, scalaAnonymousPartialFunction(eHandler))(m, writer, system)
 

runtime/src/main/scala/akka/grpc/javadsl/ServerReflection.scala

@@ -20,7 +20,7 @@ object ServerReflection {
   @ApiMayChange(issue = "https://github.com/akka/akka-grpc/issues/850")
   def create(
       objects: Collection[ServiceDescription],
-      sys: ClassicActorSystemProvider): akka.japi.Function[HttpRequest, CompletionStage[HttpResponse]] = {
+      sys: ClassicActorSystemProvider): akka.japi.function.Function[HttpRequest, CompletionStage[HttpResponse]] = {
     import scala.collection.JavaConverters._
     val delegate = ServerReflectionHandler.apply(
       ServerReflectionImpl(objects.asScala.map(_.descriptor).toSeq, objects.asScala.map(_.name).toList))(sys)

runtime/src/main/scala/akka/grpc/javadsl/ServiceHandler.scala

@@ -10,7 +10,8 @@ import akka.annotation.ApiMayChange
 import akka.annotation.InternalApi
 import akka.grpc.scaladsl.{ ServiceHandler => sServiceHandler }
 import akka.http.javadsl.model.{ HttpRequest, HttpResponse, StatusCodes }
-// using japi because bindAndHandleAsync expects that
+
+// using japi because bind expects that.
 import akka.japi.{ Function => JFunction }
 
 import scala.annotation.varargs

runtime/src/main/scala/akka/grpc/javadsl/package.scala

@@ -25,15 +25,15 @@ package object javadsl {
     }
 
   /**
-   * Helper for creating Scala partial functions from  akka.japi.Function
+   * Helper for creating Scala partial functions from [[akka.japi.Function]]
    * instances as Scala 2.11 does not know about SAMs.
    */
   def scalaPartialFunction[A, B](f: akka.japi.Function[A, B]): PartialFunction[A, B] = {
     case a => f(a)
   }
 
   /**
-   * Helper for creating Scala anonymous partial functions from  akka.japi.Function
+   * Helper for creating Scala anonymous partial functions from [[akka.japi.Function]]
    * instances as Scala 2.11 does not know about SAMs.
    */
   def scalaAnonymousPartialFunction[A, B, C](