/
AllJson.scala
86 lines (73 loc) · 2.37 KB
/
AllJson.scala
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/*
* Copyright 2007-2010 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 example {
package snippet {
import net.liftweb._
import http._
import common._
import util._
import js._
import JsCmds._
import JE._
import scala.xml.NodeSeq
// extract a String
object XString {
def unapply(in: Any): Option[String] = in match {
case s: String => Some(s)
case _ => None
}
}
object XArrayNum {
def unapply(in: Any): Option[List[Number]] =
in match {
case lst: List[_] => Some(lst.flatMap{case n: Number => Some(n) case _ => None})
case _ => None
}
}
object AllJsonHandler extends SessionVar[JsonHandler](
new JsonHandler {
def apply(in: Any): JsCmd = in match {
case JsonCmd("noParam", resp, _, _) =>
Call(resp)
case JsonCmd("oneString", resp, XString(s), _) =>
Call(resp, s)
case JsonCmd("addOne", resp, XArrayNum(an), _) =>
Call(resp, JsArray(an.map(n => Num(n.doubleValue + 1.0)) :_*))
case _ => Noop
}
}
)
object AllJson extends DispatchSnippet {
val dispatch = Map("render" -> buildFuncs _)
def buildFuncs(in: NodeSeq): NodeSeq =
Script(AllJsonHandler.is.jsCmd &
Function("noParam", List("callback"),
AllJsonHandler.is.call("noParam",
JsVar("callback"),
JsObj())) &
Function("oneString", List("callback", "str"),
AllJsonHandler.is.call("oneString",
JsVar("callback"),
JsVar("str"))) &
Function("addOne", List("callback", "nums"),
AllJsonHandler.is.call("addOne",
JsVar("callback"),
JsVar("nums"))))
}
}
}
}