mapInnerRoute

Signature

def mapInnerRoute(f: Route

Description

Changes the execution model of the inner route by wrapping it with arbitrary logic.

The mapInnerRoute directive is used as a building block for Custom Directives to replace the inner route with any other route. Usually, the returned route wraps the original one with custom execution logic.

Example

Scala
Java
sourceval completeWithInnerException =
  mapInnerRoute { route => ctx =>
    try {
      route(ctx)
    } catch {
      case NonFatal(e) => ctx.complete(s"Got ${e.getClass.getSimpleName} '${e.getMessage}'")
    }
  }

val route =
  completeWithInnerException {
    complete(throw new IllegalArgumentException("BLIP! BLOP! Everything broke"))
  }

// tests:
Get("/") ~> route ~> check {
  responseAs[String] shouldEqual "Got IllegalArgumentException 'BLIP! BLOP! Everything broke'"
}
sourceimport static org.apache.pekko.http.javadsl.server.Directives.mapInnerRoute;

// TODO: implement mapInnerRoute
1.0.1