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/*
* 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 javax.servlet;
import java.util.EventListener;
/**
* Implementations of this interface receive notifications about changes to the
* servlet context of the web application they are part of. To receive
* notification events, the implementation class must be configured in the
* deployment descriptor for the web application.
*
* @see ServletContextEvent
*
* @since Servlet 2.3
*/
public interface ServletContextListener extends EventListener {
/**
** Notification that the web application initialization process is starting.
* All ServletContextListeners are notified of context initialization before
* any filter or servlet in the web application is initialized.
* The default implementation is a NO-OP.
* @param sce Information about the ServletContext that was initialized
*/
public default void contextInitialized(ServletContextEvent sce) {
}
/**
** Notification that the servlet context is about to be shut down. All
* servlets and filters have been destroyed before any
* ServletContextListeners are notified of context destruction.
* The default implementation is a NO-OP.
* @param sce Information about the ServletContext that was destroyed
*/
public default void contextDestroyed(ServletContextEvent sce) {
}
}