/*

  * Licensed to the Apache Software Foundation (ASF) under one

  * or more contributor license agreements.  See the NOTICE file

  * distributed with this work for additional information

  * regarding copyright ownership.  The ASF licenses this file

  * to you 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.apache.myfaces.webapp;

 import javax.servlet.ServletContextEvent;

 /**

  * Startup Listener for the myfaces init process

  * This interface allows to implement

  * Plugins which then can be hooked into the various stages

  * of our initialisation process to add various plugins

  * which depend on the various phases of the init

  *

  * @author Werner Punz

  */

 public interface StartupListener

 {

     /**

      * This method is called before myfaces initializes

      *

      * @param evt the corresponding servlet context event keeping all the servlet context data and references

      */

     public void preInit(ServletContextEvent evt);

     /**

      * This method is called after myfaces has initialized

      *

      * @param evt the corresponding servlet context event keeping all the servlet context data and references

      */

     public void postInit(ServletContextEvent evt);

     /**

      * This method is called before myfaces is destroyed

      *

      * @param evt the corresponding servlet context event keeping all the servlet context data and references

      */

     public void preDestroy(ServletContextEvent evt);

     /**

      * This method is called after myfaces is destroyed

      *

      * @param evt the corresponding servlet context event keeping all the servlet context data and references

      */

     public void postDestroy(ServletContextEvent evt);

 }