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: * A ServletRequestListener can be implemented by the developer
23: * interested in being notified of requests coming in and out of
24: * scope in a web component. A request is defined as coming into
25: * scope when it is about to enter the first servlet or filter
26: * in each web application, as going out of scope when it exits
27: * the last servlet or the first filter in the chain.
28: *
29: * @since Servlet 2.4
30: */
31:
32: public interface ServletRequestListener extends EventListener {
33:
34: /** The request is about to go out of scope of the web application. */
35: public void requestDestroyed(ServletRequestEvent sre);
36:
37: /** The request is about to come into scope of the web application. */
38: public void requestInitialized(ServletRequestEvent sre);
39: }
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