def loadClassUri[A](uri: java.net.URI,
                      className: String,
                      classPath: Seq[java.net.URI] = Seq(),
                      packageName: String = "controllers"): A = {

    val l = new URLClassLoader(Seq(uri.toURL), play.Play.application().classloader())
    l.addURL(new java.net.URL("jar:" + uri.toString.replace("file:/", "file://") + "!/"))
    val classLoader = new URLClassLoader(Seq(uri.toURL), this.getClass.getClassLoader)
    classPath.foreach { i => classLoader.addURL(i.toURL) }
    val clazz = classLoader.loadClass(Seq(packageName, className).mkString("."))
    clazz.newInstance().asInstanceOf[A]
  }