`scala GrasswireUrlShortener.scala` result

GrasswireUrlShortener.errors

/Users/chbrown/Desktop/GrasswireUrlShortener.scala:3: error: object apache is not a member of package org
import org.apache.commons.validator.routines.UrlValidator
           ^
/Users/chbrown/Desktop/GrasswireUrlShortener.scala:4: error: not found: value spray
import spray.http.StatusCodes
       ^
/Users/chbrown/Desktop/GrasswireUrlShortener.scala:5: error: not found: value spray
import spray.routing._
       ^
/Users/chbrown/Desktop/GrasswireUrlShortener.scala:7: error: not found: value scalaz
import scalaz.concurrent._
       ^
/Users/chbrown/Desktop/GrasswireUrlShortener.scala:9: error: not found: type SimpleRoutingApp
object GrasswireUrlShortener extends App with SimpleRoutingApp {
                                              ^
/Users/chbrown/Desktop/GrasswireUrlShortener.scala:11: error: not found: value scredis
  implicit val redis = scredis.Redis(ConfigFactory.load(), "redis")
                       ^
/Users/chbrown/Desktop/GrasswireUrlShortener.scala:13: error: not found: value startServer
  startServer("0.0.0.0", 8080) {
  ^
/Users/chbrown/Desktop/GrasswireUrlShortener.scala:14: error: not found: value path
    path(Rest) { r =>
    ^
/Users/chbrown/Desktop/GrasswireUrlShortener.scala:14: error: not found: value Rest
    path(Rest) { r =>
         ^
/Users/chbrown/Desktop/GrasswireUrlShortener.scala:23: error: not found: type RequestContext
  def redirectShortUrl(path: String)(implicit redis: scredis.Redis) = (ctx: RequestContext) => {
                                                                            ^
/Users/chbrown/Desktop/GrasswireUrlShortener.scala:23: error: not found: value scredis
  def redirectShortUrl(path: String)(implicit redis: scredis.Redis) = (ctx: RequestContext) => {
                                                     ^
/Users/chbrown/Desktop/GrasswireUrlShortener.scala:24: error: not found: value Future
    Future.now {
    ^
/Users/chbrown/Desktop/GrasswireUrlShortener.scala:15: error: not found: value get
      get {
      ^
/Users/chbrown/Desktop/GrasswireUrlShortener.scala:17: error: not found: value post
      } ~ post {
          ^
/Users/chbrown/Desktop/GrasswireUrlShortener.scala:30: error: not found: type RequestContext
  def createShortUrl(path: String)(implicit redis: scredis.Redis) = (ctx: RequestContext) => {
                                                                          ^
/Users/chbrown/Desktop/GrasswireUrlShortener.scala:30: error: not found: value scredis
  def createShortUrl(path: String)(implicit redis: scredis.Redis) = (ctx: RequestContext) => {
                                                   ^
/Users/chbrown/Desktop/GrasswireUrlShortener.scala:31: error: not found: value Task
    Task {
    ^
/Users/chbrown/Desktop/GrasswireUrlShortener.scala:32: error: not found: type UrlValidator
      val validator = new UrlValidator(List("http","https").toArray)
                          ^
18 errors found

GrasswireUrlShortener.scala

import akka.actor.ActorSystem
import com.typesafe.config.ConfigFactory
import org.apache.commons.validator.routines.UrlValidator
import spray.http.StatusCodes
import spray.routing._
import scala.util.Random
import scalaz.concurrent._

object GrasswireUrlShortener extends App with SimpleRoutingApp {
  implicit val system = ActorSystem("grasswire-url-shortener")
  implicit val redis = scredis.Redis(ConfigFactory.load(), "redis")

  startServer("0.0.0.0", 8080) {
    path(Rest) { r =>
      get {
        redirectShortUrl(r)
      } ~ post {
        createShortUrl(r)
      }
    }
  }

  def redirectShortUrl(path: String)(implicit redis: scredis.Redis) = (ctx: RequestContext) => {
    Future.now {
      redis.withClient(_.get[String](path))
    }.runAsync(_.map(ctx.redirect(_, StatusCodes.MovedPermanently))
      .getOrElse(ctx.complete(StatusCodes.NotFound)))
  }

  def createShortUrl(path: String)(implicit redis: scredis.Redis) = (ctx: RequestContext) => {
    Task {
      val validator = new UrlValidator(List("http","https").toArray)
      if(validator.isValid(path)) {
        val random = Random.alphanumeric.take(7).mkString
        redis.withClient(_.set(random, path))
        random
      } else {
        throw new Exception("The supplied url is invalid.")
      }
    }.runAsync(_.fold(l => ctx.reject(ValidationRejection("Invalid url provided", Some(l))), r => ctx.complete(s"http://mydomain.com/$r")))
  }
}