mapResponseHeaders
Signature
def mapResponseHeaders(f: immutable.Seq[HttpHeader] ⇒ immutable.Seq[HttpHeader]): Directive0
Description
Changes the list of response headers that was generated by the inner route.
The mapResponseHeaders
directive is used as a building block for Custom Directives to transform the list of response headers that was generated by the inner route.
See Response Transforming Directives for similar directives.
Example
- Scala
-
// adds all request headers to the response val echoRequestHeaders = extract(_.request.headers).flatMap(respondWithHeaders) val removeIdHeader = mapResponseHeaders(_.filterNot(_.lowercaseName == "id")) val route = removeIdHeader { echoRequestHeaders { complete("test") } } // tests: Get("/") ~> RawHeader("id", "12345") ~> RawHeader("id2", "67890") ~> route ~> check { header("id") shouldEqual None header("id2").get.value shouldEqual "67890" }
- Java