beschauer/Build.scala

## application.conf
�# This is the main configuration file for the application.
# ~~~~~

application.version= "1.0.1"

# Secret key
# ~~~~~
# ...

## Build.scala
import com.typesafe.config.ConfigFactory
import sbt._
import Keys._
import play.Project._

object ApplicationBuild extends Build {

  val conf = ConfigFactory.parseFile(new File("conf/application.conf")).resolve()
  val appVersion = conf.getString("application.version")

  // ...


  val main = play.Project(appName, appVersion, appDependencies).settings(
    // Add your own project settings here
    testOptions in Test := Nil,
    requireJs += "app.js",
    templatesImport += "controllers.TemplateHelper._" // this imports all methods of TemplateHelper in every template file
  )
}

## index.scala.html
@(title: String, loginLevel: Int, appjs: String)(content: Html)<!DOCTYPE html>

  <!-- =========== Note how you can use TemplateHelpers 'asset' method to include resources. ============ -->

  <head>
    <title>MyApp</title>
    <script type="text/javascript">
      window.baseUrl = '@play.api.Play.current.configuration.getString("application.context")';
      window.assetBaseUrl = '@assetBaseUrl()';
    </script>

    <link rel="stylesheet" media="screen" href="@asset("stylesheets/bootstrap-2.3.2.min.css")" />

  </head>
  <body>
    <script src='@asset("jslib/jquery-1.10.1.min.js")'></script>
    <script src='@asset("jslib/bootstrap-2.3.2.min.js")'></script>
    @helper.requireJs(core = asset("javascripts/require.js").url, module = asset(appjs).url)


  </body>
</html>

## routes
# Map static resources from the /public folder to the /assets URL path
GET     /assets/:version/*file              controllers.VersionedAsset.asset(version, file)

## VersionedAsset.scala
package controllers

import play.api.mvc._
import play.api.{Mode, Play}
import org.joda.time.DateTime
import org.joda.time.format.DateTimeFormat

object VersionedAsset extends Controller {
  val RFC1123_DATE_TIME_FORMATTER =  DateTimeFormat.forPattern("EEE, dd MMM yyyy HH:mm:ss 'GMT'").withZoneUTC();
  val expiresDate = RFC1123_DATE_TIME_FORMATTER.print(new DateTime().plusYears(1))
  val lastModifiedDate = RFC1123_DATE_TIME_FORMATTER.print(new DateTime().minusMonths(3))
  val maxAge = "max-age=31536000" // a year in seconds

  def appVersion =
    Play.current.configuration.getString("application.version").getOrElse(throw new RuntimeException(s"application.version must be defined in application.conf"))

  def asset(version: String, file: String) = Action { request =>
    Assets.at(path = "/public", file)(request) match {
      case result => result.withHeaders(
        (EXPIRES, expiresDate),
        (LAST_MODIFIED, lastModifiedDate),
        (CACHE_CONTROL, maxAge)
      )
    }
  }

}

object TemplateHelper {
  def asset(file: String) = controllers.routes.VersionedAsset.asset(VersionedAsset.appVersion, file)
  def assetBaseUrl() =
    (
      play.api.Play.current.configuration.getString("application.context") map ( _ + "/assets/" + VersionedAsset.appVersion )
    ) getOrElse (throw new RuntimeException(s"application.context must be defined in application.conf"))


}
	�# This is the main configuration file for the application.
	# ~~~~~

	application.version= "1.0.1"

	# Secret key
	# ~~~~~
	# ...
	import com.typesafe.config.ConfigFactory
	import sbt._
	import Keys._
	import play.Project._

	object ApplicationBuild extends Build {

	val conf = ConfigFactory.parseFile(new File("conf/application.conf")).resolve()
	val appVersion = conf.getString("application.version")

	// ...


	val main = play.Project(appName, appVersion, appDependencies).settings(
	// Add your own project settings here
	testOptions in Test := Nil,
	requireJs += "app.js",
	templatesImport += "controllers.TemplateHelper._" // this imports all methods of TemplateHelper in every template file
	)
	}
	@(title: String, loginLevel: Int, appjs: String)(content: Html)<!DOCTYPE html>

	<!-- =========== Note how you can use TemplateHelpers 'asset' method to include resources. ============ -->

	<head>
	<title>MyApp</title>
	<script type="text/javascript">
	window.baseUrl = '@play.api.Play.current.configuration.getString("application.context")';
	window.assetBaseUrl = '@assetBaseUrl()';
	</script>

	<link rel="stylesheet" media="screen" href="@asset("stylesheets/bootstrap-2.3.2.min.css")" />

	</head>
	<body>
	<script src='@asset("jslib/jquery-1.10.1.min.js")'></script>
	<script src='@asset("jslib/bootstrap-2.3.2.min.js")'></script>
	@helper.requireJs(core = asset("javascripts/require.js").url, module = asset(appjs).url)


	</body>
	</html>
	# Map static resources from the /public folder to the /assets URL path
	GET /assets/:version/*file controllers.VersionedAsset.asset(version, file)
	package controllers

	import play.api.mvc._
	import play.api.{Mode, Play}
	import org.joda.time.DateTime
	import org.joda.time.format.DateTimeFormat

	object VersionedAsset extends Controller {
	val RFC1123_DATE_TIME_FORMATTER = DateTimeFormat.forPattern("EEE, dd MMM yyyy HH:mm:ss 'GMT'").withZoneUTC();
	val expiresDate = RFC1123_DATE_TIME_FORMATTER.print(new DateTime().plusYears(1))
	val lastModifiedDate = RFC1123_DATE_TIME_FORMATTER.print(new DateTime().minusMonths(3))
	val maxAge = "max-age=31536000" // a year in seconds

	def appVersion =
	Play.current.configuration.getString("application.version").getOrElse(throw new RuntimeException(s"application.version must be defined in application.conf"))

	def asset(version: String, file: String) = Action { request =>
	Assets.at(path = "/public", file)(request) match {
	case result => result.withHeaders(
	(EXPIRES, expiresDate),
	(LAST_MODIFIED, lastModifiedDate),
	(CACHE_CONTROL, maxAge)
	)
	}
	}

	}

	object TemplateHelper {
	def asset(file: String) = controllers.routes.VersionedAsset.asset(VersionedAsset.appVersion, file)
	def assetBaseUrl() =
	(
	play.api.Play.current.configuration.getString("application.context") map ( _ + "/assets/" + VersionedAsset.appVersion )
	) getOrElse (throw new RuntimeException(s"application.context must be defined in application.conf"))


	}