MetaDataService.scala
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	import akka.actor.{Actor, ActorRefFactory}
	import com.typesafe.config.ConfigRenderOptions
	import net.shrine.log.Loggable
	import net.shrine.source.ConfigSource
	import spray.http.{StatusCode, StatusCodes}
	import spray.routing.{HttpService, Route}

	import scala.util.Try

	/**
	* A super simple API that provides access to the MetaData section of SHRINE's configuration
	*/

	class MetaDataActor extends Actor with MetaDataService {
	override def receive: Receive = runRoute(route)

	override def actorRefFactory: ActorRefFactory = context
	}

	trait MetaDataService extends HttpService with Loggable {
	lazy val config = MetaConfigSource.config.getConfig("shrine.metaData")

	lazy val route: Route = get {
	pathPrefix("ping") { complete("pong")} ~
	pathPrefix("data") {
	parameter("key") { (key: String) =>
	complete(handleKey(key))
	} ~ complete(handleAll)
	}}

	def handleAll:(StatusCode, String) = {
	StatusCodes.OK -> config.root.render(ConfigRenderOptions.concise())
	}

	def handleKey(key: String): (StatusCode, String) = {
	Try(StatusCodes.OK -> config.getValue(key).render(ConfigRenderOptions.concise()))
	.getOrElse(StatusCodes.NotFound ->
	s"Could not find a value for the specified path `$key`")
	}
	}

	object MetaConfigSource extends ConfigSource