1 /*
2 * Licensed to the Apache Software Foundation (ASF) under one
3 * or more contributor license agreements. See the NOTICE file
4 * distributed with this work for additional information
5 * regarding copyright ownership. The ASF licenses this file
6 * to you under the Apache License, Version 2.0 (the
7 * "License"); you may not use this file except in compliance
8 * with the License. You may obtain a copy of the License at
9 *
10 * http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing,
13 * software distributed under the License is distributed on an
14 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
15 * KIND, either express or implied. See the License for the
16 * specific language governing permissions and limitations
17 * under the License.
18 */
19 package org.apache.myfaces.webapp;
20
21 import javax.servlet.ServletContextEvent;
22
23
24 /**
25 * Startup Listener for the myfaces init process
26 * This interface allows to implement
27 * Plugins which then can be hooked into the various stages
28 * of our initialisation process to add various plugins
29 * which depend on the various phases of the init
30 *
31 * @author Werner Punz
32 */
33 public interface StartupListener
34 {
35 /**
36 * This method is called before myfaces initializes
37 *
38 * @param evt the corresponding servlet context event keeping all the servlet context data and references
39 */
40 public void preInit(ServletContextEvent evt);
41
42 /**
43 * This method is called after myfaces has initialized
44 *
45 * @param evt the corresponding servlet context event keeping all the servlet context data and references
46 */
47 public void postInit(ServletContextEvent evt);
48
49 /**
50 * This method is called before myfaces is destroyed
51 *
52 * @param evt the corresponding servlet context event keeping all the servlet context data and references
53 */
54 public void preDestroy(ServletContextEvent evt);
55
56 /**
57 * This method is called after myfaces is destroyed
58 *
59 * @param evt the corresponding servlet context event keeping all the servlet context data and references
60 */
61 public void postDestroy(ServletContextEvent evt);
62
63 }
64