content: package com.taobao.qa.ruleengine.utils;
  
  import org.springframework.beans.BeansException;
  import org.springframework.context.ApplicationContext;
  import org.springframework.context.ApplicationContextAware;
  import org.springframework.stereotype.Component;
  
  @Component
  public class SpringUtil implements ApplicationContextAware {
  
      private static ApplicationContext applicationContext;
  
      @Override
      public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
          if(SpringUtil.applicationContext == null) {
              SpringUtil.applicationContext = applicationContext;
          }
      }
  
      public static ApplicationContext getApplicationContext() {
          return applicationContext;
      }
  
      public static Object getBean(String name) {
          return getApplicationContext().getBean(name);
      }
  
      public static <T> T getBean(Class<T> clazz) {
          return getApplicationContext().getBean(clazz);
      }
  
      public static <T> T getBean(String name,Class<T> clazz) {
          return getApplicationContext().getBean(name,clazz);
      }
  }
  