01: /*
02: * Copyright 2002-2006 the original author or authors.
03: *
04: * Licensed under the Apache License, Version 2.0 (the "License");
05: * you may not use this file except in compliance with the License.
06: * You may obtain a copy of the License at
07: *
08: * http://www.apache.org/licenses/LICENSE-2.0
09: *
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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