org.fusesource.scalate.guice.ScalateAtmosphereServlet.scala Maven / Gradle / Ivy

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Guice integration for a Jersey based Scalate web application

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package org.fusesource.scalate.guice

import javax.servlet.ServletConfig
import com.google.inject.{Inject, Injector, Singleton}
import com.sun.jersey.guice.spi.container.servlet.GuiceContainer
import org.atmosphere.cpr.AtmosphereServlet
import org.atmosphere.handler.ReflectorServletProcessor

/**
 * Atmosphere servlet configured by Scalate/Guice
 *
 * @author Sven Jacobs 
 */
@Singleton
class ScalateAtmosphereServlet @Inject() (private val injector: Injector) extends AtmosphereServlet {

  /**
   * Most of the code to set up AtmosphereServlet has been borrowed from
   * {@link org.atmosphere.guice.AtmosphereGuiceServlet#detectSupportedFramework}
   */
  override def detectSupportedFramework(sc: ServletConfig): Boolean = {
    import AtmosphereServlet._

    setDefaultBroadcasterClassName(JERSEY_BROADCASTER)

    val guiceContainer = injector.getInstance(classOf[GuiceContainer])
//    val resourceConfig = injector.getInstance(classOf[ResourceConfig])

    val rsp = new ReflectorServletProcessor()
    rsp.setServlet(guiceContainer)

//    val props = resourceConfig.getProperties.asScala
//
//    for ((name, value) <- props) {
//      if (value.isInstanceOf[String]) {
//        addInitParameter(name, value.asInstanceOf[String])
//      }
//    }

    var mapping = sc.getInitParameter(PROPERTY_SERVLET_MAPPING)
    if (mapping == null) mapping = "/*"

    getAtmosphereConfig.setSupportSession(false)
    addAtmosphereHandler(mapping, rsp)

    true
  }
}