01: /*
02: * Licensed to the Apache Software Foundation (ASF) under one or more
03: * contributor license agreements. See the NOTICE file distributed with
04: * this work for additional information regarding copyright ownership.
05: * The ASF licenses this file to You under the Apache License, Version 2.0
06: * (the "License"); you may not use this file except in compliance with
07: * the License. You may obtain a copy of the License at
08: *
09: * http://www.apache.org/licenses/LICENSE-2.0
10: *
11: * Unless required by applicable law or agreed to in writing, software
12: * distributed under the License is distributed on an "AS IS" BASIS,
13: * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14: * See the License for the specific language governing permissions and
15: * limitations under the License.
16: */
17: package javax.servlet;
18:
19: import java.util.EventListener;
20:
21: /**
22: * Implementations of this interface receive notifications about
23: * changes to the servlet context of the web application they are
24: * part of.
25: * To receive notification events, the implementation class
26: * must be configured in the deployment descriptor for the web
27: * application.
28: * @see ServletContextEvent
29: * @since v 2.3
30: */
31:
32: public interface ServletContextListener extends EventListener {
33: /**
34: ** Notification that the web application initialization
35: ** process is starting.
36: ** All ServletContextListeners are notified of context
37: ** initialization before any filter or servlet in the web
38: ** application is initialized.
39: */
40:
41: public void contextInitialized(ServletContextEvent sce);
42:
43: /**
44: ** Notification that the servlet context is about to be shut down.
45: ** All servlets and filters have been destroy()ed before any
46: ** ServletContextListeners are notified of context
47: ** destruction.
48: */
49: public void contextDestroyed(ServletContextEvent sce);
50: }
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