scala-akka-http-server.helper.mustache Maven / Gradle / Ivy
package {{invokerPackage}}
import {{akkaImportGroupId}}.http.scaladsl.server.Directives._
import {{akkaImportGroupId}}.http.scaladsl.server.{PathMatcher, PathMatcher1}
import scala.util.{Failure, Success, Try}
import scala.util.control.NoStackTrace
object AkkaHttpHelper {
def optToTry[T](opt: Option[T], err: => String): Try[T] =
opt.map[Try[T]](Success(_)) getOrElse Failure(new RuntimeException(err) with NoStackTrace)
/**
* A PathMatcher that matches and extracts a Float value. The matched string representation is the pure decimal,
* optionally signed form of a float value, i.e. without exponent.
*
* @group pathmatcher
*/
val FloatNumber: PathMatcher1[Float] =
PathMatcher("""[+-]?\d*\.?\d*""".r) flatMap { string =>
try Some(java.lang.Float.parseFloat(string))
catch { case _: NumberFormatException => None }
}
/**
* A PathMatcher that matches and extracts a Boolean value.
*
* @group pathmatcher
*/
val Boolean: PathMatcher1[Boolean] =
Segment.flatMap { string =>
try Some(string.toBoolean)
catch { case _: IllegalArgumentException => None }
}
}