01: /*
02: * Copyright 2002-2005 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.beans.factory.config;
18:
19: import org.springframework.beans.BeansException;
20:
21: /**
22: * Allows for custom modification of an application context's bean definitions,
23: * adapting the bean property values of the context's underlying bean factory.
24: *
25: * <p>Application contexts can auto-detect BeanFactoryPostProcessor beans in
26: * their bean definitions and apply them before any other beans get created.
27: *
28: * <p>Useful for custom config files targeted at system administrators that
29: * override bean properties configured in the application context.
30: *
31: * <p>See PropertyResourceConfigurer and its concrete implementations
32: * for out-of-the-box solutions that address such configuration needs.
33: *
34: * @author Juergen Hoeller
35: * @since 06.07.2003
36: * @see BeanPostProcessor
37: * @see PropertyResourceConfigurer
38: */
39: public interface BeanFactoryPostProcessor {
40:
41: /**
42: * Modify the application context's internal bean factory after its standard
43: * initialization. All bean definitions will have been loaded, but no beans
44: * will have been instantiated yet. This allows for overriding or adding
45: * properties even to eager-initializing beans.
46: * @param beanFactory the bean factory used by the application context
47: * @throws org.springframework.beans.BeansException in case of errors
48: */
49: void postProcessBeanFactory(
50: ConfigurableListableBeanFactory beanFactory)
51: throws BeansException;
52:
53: }
|