logResult
Signature
def logResult(marker: String): Directive0
def logResult(marker: String, level: LogLevel): Directive0
def logResult(show: RouteResult => String): Directive0
def logResult(show: RouteResult => LogEntry): Directive0
def logResult(magnet: LoggingMagnet[RouteResult => Unit]): Directive0
The signature shown is simplified, the real signature uses magnets. [1]
[1] See The Magnet Pattern for an explanation of magnet-based overloading.
Description
Logs the response using the LoggingAdapter of the RequestContext.
See logRequest for the general description how these directives work. This directive is different as it requires a LoggingMagnet[RouteResult => Unit]
. Instead of just logging HttpResponses
, logResult
is able to log any RouteResult coming back from the inner route.
Use logRequest
for logging the request, or logRequestResult
for logging both.
Example
- Scala
-
// different possibilities of using logResponse // The first alternatives use an implicitly available LoggingContext for logging // marks with "get-user", log with debug level, HttpResponse.toString DebuggingDirectives.logResult("get-user") // marks with "get-user", log with info level, HttpResponse.toString DebuggingDirectives.logResult(("get-user", Logging.InfoLevel)) // logs just the response status at debug level def responseStatus(res: RouteResult): String = res match { case RouteResult.Complete(x) => x.status.toString case RouteResult.Rejected(rejections) => "Rejected: " + rejections.mkString(", ") } DebuggingDirectives.logResult(responseStatus _) // logs just the response status at info level def responseStatusAsInfo(res: RouteResult): LogEntry = LogEntry(responseStatus(res), Logging.InfoLevel) DebuggingDirectives.logResult(responseStatusAsInfo _) // This one doesn't use the implicit LoggingContext but uses `println` for logging def printResponseStatus(res: RouteResult): Unit = println(responseStatus(res)) val logResultPrintln = DebuggingDirectives.logResult(LoggingMagnet(_ => printResponseStatus)) // tests: Get("/") ~> logResultPrintln(complete("logged")) ~> check { responseAs[String] shouldEqual "logged" }
- Java