1 /*
2 * Copyright 2006-2008 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.osgi.context.support;
18
19 import org.springframework.beans.factory.BeanClassLoaderAware;
20 import org.springframework.context.ApplicationContextAware;
21 import org.springframework.core.io.ResourceLoader;
22
23 /**
24 * Strategy interface for plugging various thread context class loaders during
25 * an OSGi application context critical life cycle events.
26 *
27 * @see Thread#getContextClassLoader()
28 * @see AbstractDelegatedExecutionApplicationContext
29 * @see ResourceLoader#getClassLoader()
30 * @see BeanClassLoaderAware
31 * @see ApplicationContextAware
32 *
33 * @author Costin Leau
34 */
35 public interface ContextClassLoaderProvider {
36
37 /**
38 * Returns the context class loader to be used by the OSGi application
39 * context during its life cycle events.
40 *
41 * @return class loader used as a thread context class loader
42 */
43 ClassLoader getContextClassLoader();
44 }