How to convert Java Future to Akka Future

JavaFutureToAkkaFuture.java

/**
 * @author Heikki Uljas
 */
public class JavaFutureToAkkaFuture {
    public static void main(String[] args) throws Exception {
        // Create java future
        java.util.concurrent.ExecutorService executorService = java.util.concurrent.Executors.newFixedThreadPool(10);
        final java.util.concurrent.Future<String> javaFuture = executorService.submit(new java.util.concurrent.Callable<String>() {
            public String call() {
                return "java";
            }
        });

        // Convert java future to akka future
        akka.dispatch.ExecutionContext executionContext = akka.dispatch.ExecutionContexts.fromExecutor(executorService);
        akka.dispatch.Future<String> akkaFuture = akka.dispatch.Futures.future(new java.util.concurrent.Callable<String>() {
            public String call() throws Exception {
                return "scala->" + javaFuture.get();
            }
        }, executionContext);
        System.out.println(akka.dispatch.Await.result(akkaFuture, akka.util.Duration.Inf()));
    }
}

JavaFutureToAkkaFuture.scala

/**
 * @author Heikki Uljas
 */
object JavaFutureToAkkaFuture {
  def main(args:Array[String]) {
    // Create java future
    val executorService: java.util.concurrent.ExecutorService = java.util.concurrent.Executors.newFixedThreadPool(10)
    val javaFuture: java.util.concurrent.Future[String] = executorService.submit(new java.util.concurrent.Callable[String] {
      def call: String = {
        return "java"
      }
    })

    // Convert java future to akka future
    val executionContext: akka.dispatch.ExecutionContext = akka.dispatch.ExecutionContexts.fromExecutor(executorService)
    val akkaFuture: akka.dispatch.Future[String] = akka.dispatch.Futures.future(new java.util.concurrent.Callable[String] {
      def call: String = {
        return "scala->" + javaFuture.get
      }
    }, executionContext)
    print(akka.dispatch.Await.result(akkaFuture, akka.util.Duration.Inf))
  }
}