formFieldMultiMap
formFieldMultiMap
§Signature
§Description
Extracts all HTTP form fields at once as a multi-map of type Map[String, List[String] mapping
a form name to a list of all its values.
This directive can be used if form fields can occur several times.
The order of values is not specified.
See formFields for an in-depth description.
§Warning
Use of this directive can result in performance degradation or even in OutOfMemoryError s.
See formFieldSeq for details.
§Example
- val route =
- formFieldMultiMap { fields =>
- complete("There are " +
- s"form fields ${fields.map(x => x._1 + " -> " + x._2.size).mkString(", ")}")
- }
-
- // tests:
- Post("/", FormData("color" -> "blue", "count" -> "42")) ~> route ~> check {
- responseAs[String] shouldEqual "There are form fields color -> 1, count -> 1"
- }
- Post("/", FormData("x" -> "23", "x" -> "4", "x" -> "89")) ~> route ~> check {
- responseAs[String] shouldEqual "There are form fields x -> 3"
- }
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