skinny.controller.feature.FreeMarkerTemplateEngineFeature.scala Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of skinny-freemarker_2.10 Show documentation

skinny-freemarker

The newest version!

package skinny.controller.feature

import skinny.Format
import java.io.IOException
import skinny.view.freemarker._

/**
 * FreeMarker template engine support.
 */
trait FreeMarkerTemplateEngineFeature extends TemplateEngineFeature {

  /**
   * FreeMarker Scala wrapper.
   */
  lazy val freeMarker: FreeMarker = FreeMarker(FreeMarkerConfig.defaultWithServletContext(servletContext))

  override protected def templatePath(path: String)(implicit format: Format = Format.HTML): String = {
    s"${path}.${format.name}.ftl".replaceAll("//", "/")
  }

  override protected def templateExists(path: String)(implicit format: Format = Format.HTML): Boolean = {
    try {
      freeMarker.config.getTemplate(templatePath(path)) != null
    } catch { case e: IOException => false }
  }

  override protected def renderWithTemplate(path: String)(implicit format: Format = Format.HTML): String = {
    freeMarker.render(templatePath(path), requestScope.toMap)
  }

}