常用的工具类ApplicationContextHolder

是否

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/**
 * @Author: zhouheng
 * @Created: with IntelliJ IDEA.
 * @Description:
 * @Date: 2018-07-17
 * @Time: 10:07
 */
@Component("applicationContextHelper")
public class ApplicationContextHelper implements ApplicationContextAware {

    private static ApplicationContext applicationContext;

    @Override
    public void setApplicationContext(ApplicationContext context) throws BeansException {

        applicationContext = context;
    }

    /**
     * 获取bean
     * @param clazz
     * @param <T>
     * @return
     */
    public static <T> T popBean(Class<T> clazz) {
        //先判断是否为空
        if (applicationContext == null) {
            return null;
        }
        return (clazz);
    }


    public static <T> T popBean(String name, Class<T> clazz) {
        if (applicationContext == null) {
            return null;
        }

        return (name, clazz);

    }
}

 在spring环境中获取非spring容器管理的bean