Spring Framework example source code file (BeanClassLoaderAware.java)

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Java - Spring Framework tags/keywords

beanclassloaderaware, beanclassloaderaware

The Spring Framework BeanClassLoaderAware.java source code

/*
 * Copyright 2002-2006 the original author or authors.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.springframework.beans.factory;

/**
 * Callback that allows a bean to be aware of the bean
 * {@link ClassLoader class loader}; that is, the class loader used by the
 * present bean factory to load bean classes.
 *
 * <p>This is mainly intended to be implemented by framework classes which
 * have to pick up application classes by name despite themselves potentially
 * being loaded from a shared class loader.
 *
 * <p>For a list of all bean lifecycle methods, see the
 * {@link BeanFactory BeanFactory javadocs}.
 *
 * @author Juergen Hoeller
 * @since 2.0
 * @see BeanNameAware
 * @see BeanFactoryAware
 * @see InitializingBean
 */
public interface BeanClassLoaderAware {

	/**
	 * Callback that supplies the bean {@link ClassLoader class loader} to
	 * a bean instance.
	 * <p>Invoked after the population of normal bean properties but
	 * <i>before an initialization callback such as
	 * {@link org.springframework.beans.factory.InitializingBean InitializingBean's}
	 * {@link org.springframework.beans.factory.InitializingBean#afterPropertiesSet()}
	 * method or a custom init-method.
	 * @param classLoader the owning class loader; may be <code>null in
	 * which case a default <code>ClassLoader must be used, for example
	 * the <code>ClassLoader obtained via
	 * {@link org.springframework.util.ClassUtils#getDefaultClassLoader()}
	 */
	void setBeanClassLoader(ClassLoader classLoader);

}