1 /*
2 * Copyright 2002-2006 the original author or authors.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 package org.springframework.context;
18
19 import java.util.EventListener;
20
21 /**
22 * Interface to be implemented by application event listeners.
23 * Based on the standard <code>java.util.EventListener</code> interface
24 * for the Observer design pattern.
25 *
26 * @author Rod Johnson
27 * @see org.springframework.context.event.ApplicationEventMulticaster
28 */
29 public interface ApplicationListener extends EventListener {
30
31 /**
32 * Handle an application event.
33 * @param event the event to respond to
34 */
35 void onApplicationEvent(ApplicationEvent event);
36
37 }
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