2 * Licensed to the Apache Software Foundation (ASF) under one or more
3 * contributor license agreements. See the NOTICE file distributed with
4 * this work for additional information regarding copyright ownership.
5 * The ASF licenses this file to You under the Apache License, Version 2.0
6 * (the "License"); you may not use this file except in compliance with
7 * the License. You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
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14 * See the License for the specific language governing permissions and
15 * limitations under the License.
17 package javax.servlet;
19 import java.util.EventListener;
22 * Implementations of this interface receive notifications about changes to the
23 * servlet context of the web application they are part of. To receive
24 * notification events, the implementation class must be configured in the
25 * deployment descriptor for the web application.
27 * @see ServletContextEvent
31 public interface ServletContextListener extends EventListener {
34 ** Notification that the web application initialization process is starting.
35 * All ServletContextListeners are notified of context initialization before
36 * any filter or servlet in the web application is initialized.
38 public void contextInitialized(ServletContextEvent sce);
41 ** Notification that the servlet context is about to be shut down. All
42 * servlets and filters have been destroy()ed before any
43 * ServletContextListeners are notified of context destruction.
45 public void contextDestroyed(ServletContextEvent sce);