Disable browser cache in play framework

Global.scala

package global

import play.api._
import play.api.mvc._
import play.api.Play.current
import play.api.http.HeaderNames._
import play.api.mvc.Results._
import scala.concurrent.Future
import play.api.libs.concurrent.Execution.Implicits.defaultContext

object Global extends GlobalSettings {

  def NoCache(action: EssentialAction): EssentialAction = EssentialAction { request =>
    action(request).map(_.withHeaders(PRAGMA -> "no-cache"))
  }

  override def onRouteRequest(request: RequestHeader): Option[Handler] = {
    if (Play.isDev) {
      super.onRouteRequest(request).map { handler =>
        handler match {
          case a: EssentialAction => NoCache(a)
          case other => other
        }
      }
    } else {
      super.onRouteRequest(request)
    }
  }

}