Downloader + Parser implementation

Speedometer.scala

package com.czechscala.blank

import com.gargoylesoftware.htmlunit.WebClient
import com.gargoylesoftware.htmlunit.html.HtmlPage

object Speedometer extends App {
  val downloader = new HttpDownloader("http://www.dsl.sk/speedmeter.php?id=speed_test")
	println (downloader.download())
}

abstract class Downloader {
  def download() : Option[String]
}

class HttpDownloader(uri: String) extends Downloader {
  
  private val webclient: WebClient = new WebClient()
  
  def download() : Option[String] = {
    val page: HtmlPage = webclient.getPage(uri)
    //val out = new PrintWriter( new FileWriter("""D:\output.html"""))
    val result = page.asXml()
    val regex = """(\d+\.\d+) Kbps""".r 
    val speed = regex.findFirstIn(result)
    speed
  }
}