Scala Future to spring's DeferredResult

FutureOps.scala

import org.springframework.web.context.request.async.DeferredResult
import scala.concurrent.Future
import scala.util.{Failure, Success}
import scala.concurrent.ExecutionContext.Implicits.global

object FutureOps {

  implicit class DeferredResultFromFuture[T](future: Future[T]) {

    def toDeferredResult: DeferredResult[T] = {
      val df = new DeferredResult[T]
      future.onComplete {
        case Success(successResult) =>
          df.setResult(successResult)
        case Failure(error) =>
          df.setErrorResult(error)
      }
      df
    }

  }
  
}