Lift Framework example source code file (LottoExample.scala)

This example Lift Framework source code file (LottoExample.scala) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Lift Framework tags/keywords

defaultformats, examples, list, list, long, lotto, lotto, lottoexample, map, map, none, specification, winner, winner

The Lift Framework LottoExample.scala source code

/*
 * Copyright 2009-2011 WorldWide Conferencing, LLC
 *
 * 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 net.liftweb
package json

import org.specs.Specification


/**
 * System under specification for Lotto Examples.
 */
object LottoExample extends Specification("Lotto Examples") {
  import JsonDSL._

  implicit val formats = DefaultFormats

  case class Winner(`winner-id`: Long, numbers: List[Int])
  case class Lotto(id: Long, `winning-numbers`: List[Int], winners: List[Winner], 
                   `draw-date`: Option[java.util.Date])

  val winners = List(Winner(23, List(2, 45, 34, 23, 3, 5)), Winner(54, List(52, 3, 12, 11, 18, 22)))
  val lotto = Lotto(5, List(2, 45, 34, 23, 7, 5, 3), winners, None)

  val json = 
    ("lotto" ->
      ("id" -> lotto.id) ~
      ("winning-numbers" -> lotto.`winning-numbers`) ~
      ("draw-date" -> lotto.`draw-date`.map(_.toString)) ~
      ("winners" ->
        lotto.winners.map { w =>
          (("winner-id" -> w.`winner-id`) ~
           ("numbers" -> w.numbers))}))

  compact(render(json)) mustEqual """{"lotto":{"id":5,"winning-numbers":[2,45,34,23,7,5,3],"winners":[{"winner-id":23,"numbers":[2,45,34,23,3,5]},{"winner-id":54,"numbers":[52,3,12,11,18,22]}]}}"""

  (json \ "lotto" \ "winners")(0).extract[Winner] mustEqual Winner(23, List(2, 45, 34, 23, 3, 5))

  (json \ "lotto").extract[Lotto] mustEqual lotto

  json.values mustEqual Map("lotto" -> Map("id" -> 5, "winning-numbers" -> List(2, 45, 34, 23, 7, 5, 3), "draw-date" -> None, "winners" -> List(Map("winner-id" -> 23, "numbers" -> List(2, 45, 34, 23, 3, 5)), Map("winner-id" -> 54, "numbers" -> List(52, 3, 12, 11, 18, 22)))))
}