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.beans.factory;
18:
19: /**
20: * Callback that allows a bean to be aware of the bean
21: * {@link ClassLoader class loader}; that is, the class loader used by the
22: * present bean factory to load bean classes.
23: *
24: * <p>This is mainly intended to be implemented by framework classes which
25: * have to pick up application classes by name despite themselves potentially
26: * being loaded from a shared class loader.
27: *
28: * <p>For a list of all bean lifecycle methods, see the
29: * {@link BeanFactory BeanFactory javadocs}.
30: *
31: * @author Juergen Hoeller
32: * @since 2.0
33: * @see BeanNameAware
34: * @see BeanFactoryAware
35: * @see InitializingBean
36: */
37: public interface BeanClassLoaderAware {
38:
39: /**
40: * Callback that supplies the bean {@link ClassLoader class loader} to
41: * a bean instance.
42: * <p>Invoked <i>after</i> the population of normal bean properties but
43: * <i>before</i> an initialization callback such as
44: * {@link org.springframework.beans.factory.InitializingBean InitializingBean's}
45: * {@link org.springframework.beans.factory.InitializingBean#afterPropertiesSet()}
46: * method or a custom init-method.
47: * @param classLoader the owning class loader; may be <code>null</code> in
48: * which case a default <code>ClassLoader</code> must be used, for example
49: * the <code>ClassLoader</code> obtained via
50: * {@link org.springframework.util.ClassUtils#getDefaultClassLoader()}
51: */
52: void setBeanClassLoader(ClassLoader classLoader);
53:
54: }
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