spring 对象工具类

package com.tmg.aec.common.until;

import javax.servlet.ServletContext;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.context.support.ClassPathXmlApplicationContext;
import org.springframework.web.context.support.WebApplicationContextUtils;

/**
 * HISTORY @ Copyright: Copyright (c) 2002 @ Company:TMG
 * @version:1.0
 * @date 2008/04/09
 * @author wei.li
 * @description: Spring bean工厂接口
 * 
 */
public class SpringHelper implements ApplicationContextAware {

	public static ApplicationContext context;

	public void setApplicationContext(ApplicationContext appcontext)
			throws BeansException {
		// TODO Auto-generated method stub
		SpringHelper.context = appcontext;
	}

	/**
	 * 通过制定的名称获得Bean对象
	 * 
	 * @param name
	 */
	public synchronized static Object getBean(String name) {
		if (context == null) {
			 initApplicationContext();
		}
		return context.getBean(name);
	}

	public synchronized static void initWeb(ServletContext sc) {
		context = WebApplicationContextUtils.getWebApplicationContext(sc);
	}

	/**
	 * 通过class类型获得Bean对象
	 * 
	 * @param clazz
	 */
	public static Object getBean(Class clzz) {
		return getBean(clzz.getName());
	}

	/**
	 * 手动初始化spring方法
	 */
	public static void initApplicationContext() {
		if (context == null) {
			context = new ClassPathXmlApplicationContext(
					"classpath*:**//applicationContext*.xml");
		}
	}
}