运行期向spring加入动态代理类

package com.lzw.util;

import java.text.SimpleDateFormat;
import java.util.Date;

import javax.servlet.ServletContext;
import javax.servlet.ServletContextEvent;
import javax.servlet.ServletContextListener;

import org.apache.log4j.Logger;
import org.springframework.beans.factory.support.AbstractBeanDefinition;
import org.springframework.beans.factory.support.BeanDefinitionReaderUtils;
import org.springframework.beans.factory.support.DefaultListableBeanFactory;
import org.springframework.context.ApplicationContext;
import org.springframework.web.context.support.WebApplicationContextUtils;

/**  
 * @Description:运行期向spring加入动态代理类
 * @author lzw
 * @date 2013年9月28日 下午13:27:13
 * @version V1.0
 * @Copyright (c)
 */
public class InitServer implements ServletContextListener {
    
	Logger logger = Logger.getLogger(InitServer.class);
	
	private static ServletContext servletContext;
	
	public static ServletContext getServletContext() {
		return servletContext;
	}

	public void contextInitialized(ServletContextEvent contextEvent) {
		servletContext = contextEvent.getServletContext();
		final ApplicationContext ctx = WebApplicationContextUtils.getWebApplicationContext(servletContext);
		SpringContextTool.setApplicationContext(ctx);
		logger.info("服务启动!!");
	}
	
	/**
	 * @Description:运行期向spring加入被代理类
	 * @param className  com.lzw.service.impl.HandelUserImpl
	 * @param beanName handelUser
	 * @throws ClassNotFoundException
	 */
	public static void registerBeanToSpringContext(String className, String beanName) throws ClassNotFoundException {
		// 1 get BeanFactory
		DefaultListableBeanFactory factory = (DefaultListableBeanFactory) WebApplicationContextUtils.getWebApplicationContext(
				InitServer.getServletContext()).getAutowireCapableBeanFactory();
		// 2 create Bean Definition
		AbstractBeanDefinition beanDef = BeanDefinitionReaderUtils.createBeanDefinition(null, className,
				WebApplicationContextUtils.getWebApplicationContext(InitServer.getServletContext()).getClassLoader());
		//set scope
		beanDef.setScope("prototype");
		// 3 add Bean Definition to BeanFactory
		factory.registerBeanDefinition(beanName, beanDef);
	}
	
	public void contextDestroyed(ServletContextEvent contextEvent) {}
}