/**
 * Copyright (C) 2009-2011 the original author or authors.
 * See the notice.md file distributed with this work for additional
 * information regarding copyright ownership.
 *
 * 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 org.fusesource.scalate.samples.scuery

import _root_.com.google.inject.Guice
import _root_.com.google.inject.servlet.GuiceServletContextListener
import _root_.org.fusesource.scalate.guice.ScalateModule
import _root_.javax.servlet.{ServletContext, ServletContextEvent}

object ServletContextListener {
  private var _servletContext: ServletContext = _

  def apply(): ServletContext = _servletContext

  def update(servletContext: ServletContext): Unit = { _servletContext = servletContext}
}

/**
 * A servlet context listener which registers
 * <a href="http://code.google.com/p/google-guice/wiki/Servlets">Guice Servlet</a>
 *
 * @version $Revision : 1.1 $
 */
class ServletContextListener extends GuiceServletContextListener {

  override def contextInitialized(event: ServletContextEvent) = {
    super.contextInitialized(event)
    ServletContextListener.update(event.getServletContext())
  }

  def getInjector = Guice.createInjector(new ScalateModule() {

    // TODO add some custom provider methods here
    // which can then be injected into resources or templates
    //
    // @Provides def createSomething = new MyThing()

    // lets add any package names which contain JAXRS resources
    // https://jersey.dev.java.net/issues/show_bug.cgi?id=485
    override def resourcePackageNames = "org.fusesource.scalate.samples.scuery.resources" :: super.resourcePackageNames
  })
}