Lift Framework example source code file (HTTPServletSession.scala)

This example Lift Framework source code file (HTTPServletSession.scala) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" ^TM.

Java - Lift Framework tags/keywords

any, http, httpsession, httpsessionactivationlistener, httpsessionbindingevent, httpsessionbindingevent, httpsessionevent, httpsessionevent, liftmagicid, liftsession, long, long, request, response, servlet, sessiontoservletbridge, string, string

The Lift Framework HTTPServletSession.scala source code

/*
 * Copyright 2009-2011 WorldWide Conferencing, LLC
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package net.liftweb
package http
package provider
package servlet

import javax.servlet.http._
import net.liftweb.common._
import net.liftweb.util._

class HTTPServletSession(session: HttpSession) extends HTTPSession {
  private val LiftMagicID = "$lift_magic_session_thingy$"

  def sessionId: String = session getId

  def link(liftSession: LiftSession) = session.setAttribute(LiftMagicID, SessionToServletBridge(liftSession.uniqueId))

  def unlink(liftSession: LiftSession) = session.removeAttribute(LiftMagicID)

  def maxInactiveInterval: Long = session getMaxInactiveInterval

  def setMaxInactiveInterval(interval: Long) = session setMaxInactiveInterval (interval.toInt)

  def lastAccessedTime: Long = session getLastAccessedTime

  def setAttribute(name: String, value: Any) = session setAttribute (name, value)

  def attribute(name: String): Any = session getAttribute name

  def removeAttribute(name: String) = session removeAttribute name

  def terminate = session invalidate
}

/**
 * Represents the "bridge" between HttpSession and LiftSession
 */
@serializable
case class SessionToServletBridge(uniqueId: String) extends HttpSessionBindingListener with HttpSessionActivationListener {
  def sessionDidActivate(se: HttpSessionEvent) = {
    SessionMaster.getSession(uniqueId, Empty).foreach(ls =>
            LiftSession.onSessionActivate.foreach(_(ls)))
  }

  def sessionWillPassivate(se: HttpSessionEvent) = {
    SessionMaster.getSession(uniqueId, Empty).foreach(ls =>
            LiftSession.onSessionPassivate.foreach(_(ls)))
  }

  def valueBound(event: HttpSessionBindingEvent) {
  }

  /**
   * When the session is unbound the the HTTP session, stop us
   */
  def valueUnbound(event: HttpSessionBindingEvent) {
    SessionMaster.sendMsg(RemoveSession(uniqueId))
  }

}