Lift Framework example source code file (RecordHelpers.scala)

This example Lift Framework source code file (RecordHelpers.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

jarray, jbool, jdouble, jfield, jint, jint, jobject, jsfalse, jsnull, jsnull, jvalue, num, num, str

The Lift Framework RecordHelpers.scala source code

/*
 * Copyright 2007-2011 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 record

import net.liftweb.http.js.{JsExp, JsObj}
import net.liftweb.http.js.JE.{JsArray, JsFalse, JsNull, JsObj, JsTrue, Num, Str}
import net.liftweb.json.JsonAST.{JArray, JBool, JInt, JDouble, JField, JNothing, JNull, JObject, JString, JValue}

object RecordHelpers {
  
  /* For the moment, I couldn't find any other way to bridge JValue and JsExp, so I wrote something simple here */
  implicit def jvalueToJsExp(jvalue: JValue): JsExp = {
    jvalue match {
      case JArray(vs)  => JsArray(vs.map(jvalueToJsExp): _*)
      case JBool(b)    => if (b) JsTrue else JsFalse
      case JDouble(d)  => Num(d)
      case JField(n,v) => error("no parallel")
      case JInt(i)     => Num(i)
      case JNothing    => JsNull
      case JNull       => JsNull
      case JObject(fs) => JsObj(fs.map(f => (f.name, jvalueToJsExp(f.value))): _*)
      case JString(s)  => Str(s)
    }
  }
}