spray.routing.ExceptionHandler.scala Maven / Gradle / Ivy
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A suite of lightweight Scala libraries for building and consuming RESTful web services on top of Akka
/*
* Copyright © 2011-2013 the spray project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package spray.routing
import scala.util.control.NonFatal
import spray.util.LoggingContext
import spray.http._
import StatusCodes._
trait ExceptionHandler extends ExceptionHandler.PF
object ExceptionHandler {
type PF = PartialFunction[Throwable, Route]
implicit def apply(pf: PF): ExceptionHandler =
new ExceptionHandler {
def isDefinedAt(error: Throwable) = pf.isDefinedAt(error)
def apply(error: Throwable) = pf(error)
}
implicit def default(implicit settings: RoutingSettings, log: LoggingContext): ExceptionHandler =
apply {
case e: IllegalRequestException ⇒ ctx ⇒ {
log.warning("Illegal request {}\n\t{}\n\tCompleting with '{}' response",
ctx.request, e.getMessage, e.status)
ctx.complete(e.status, e.info.format(settings.verboseErrorMessages))
}
case e: RequestProcessingException ⇒ ctx ⇒ {
log.warning("Request {} could not be handled normally\n\t{}\n\tCompleting with '{}' response",
ctx.request, e.getMessage, e.status)
ctx.complete(e.status, e.info.format(settings.verboseErrorMessages))
}
case NonFatal(e) ⇒ ctx ⇒ {
log.error(e, "Error during processing of request {}", ctx.request)
ctx.complete(InternalServerError)
}
}
}