Compiling Play 2.0 type safe templates

gistfile1.scala

    val ScalaTemplates = (sourceDirectory:File, generatedDir:File, templateTypes:Function1[String,(String,String)], additionalImports:String) => {
        import play.templates._
        
        (generatedDir ** "*.template.scala").get.map(GeneratedSource(_)).foreach(_.sync())
        try {
            (sourceDirectory ** "*.scala.html").get.foreach { template =>
                ScalaTemplateCompiler.compile(template, sourceDirectory, generatedDir, templateTypes("html")._1, templateTypes("html")._2, additionalImports)
            }
        } catch {
            case TemplateCompilationError(source, message, line, column) => {
                throw TemplateCompilationException(source, message, line, column-1)
            }
            case e => throw e
        }

        (generatedDir ** "*.scala").get.map(_.getAbsoluteFile)
    }