Example JSON parser using Scala parser combinator

JsonParser

/* 
  Thx to Albert Latacz for passing this on to me
  Think its more or less a direct lift from the Artima Programming in Scala book, chapter 33
  at http://booksites.artima.com/programming_in_scala_2ed/examples/html/ch33.html
*/

import java.io.InputStreamReader
import pure.commons.store.FileUtils
import scala.util.parsing.combinator._
import scala.util.parsing.input.StreamReader

trait JsonParsers extends JavaTokenParsers {
  def jsonObject: Parser[Any] = "{" ~ repsep(jsonMember, ",") ~ "}"
  def jsonArray: Parser[Any] = "[" ~ repsep(jsonValue, ",") ~ "]"
  def jsonMember: Parser[Any] = stringLiteral ~ ":" ~ jsonValue
  def jsonValue: Parser[Any] = jsonObject | jsonArray | stringLiteral | floatingPointNumber | "null" | "true" | "false"
}

object JsonParsersExample extends JsonParsers {
  def main(args: Array[String]) {
    val startTime = System.currentTimeMillis()
    parseAll(jsonValue, StreamReader(new InputStreamReader(FileUtils.url("test.json").openStream()))) match {
      case x:Failure => println(x.toString())
      case _ => println("Is ok")
    }
    println("Parsed in " + (System.currentTimeMillis() - startTime) + "ms")
  }
}