content: package com.genersoft.iot.vmp.utils;
  
  import org.springframework.beans.BeansException;
  import org.springframework.context.ApplicationContext;
  import org.springframework.context.ApplicationContextAware;
  import org.springframework.stereotype.Component;
  
  /**    
   * @description:spring bean获取工厂，获取spring中的已初始化的bean
   * @author: swwheihei
   * @date:   2019年6月25日 下午4:51:52   
   * 
   */
  @Component
  public class SpringBeanFactory implements ApplicationContextAware {
  
  	// Spring应用上下文环境
      private static ApplicationContext applicationContext;
      
      /**
       * 实现ApplicationContextAware接口的回调方法，设置上下文环境
       */
      @Override
      public void setApplicationContext(ApplicationContext applicationContext)
              throws BeansException {
      	SpringBeanFactory.applicationContext = applicationContext;
      }
  
      public static ApplicationContext getApplicationContext() {
          return applicationContext;
      }
  
      /**
       * 获取对象 这里重写了bean方法，起主要作用
       */
      public static  <T> T getBean(String beanId) throws BeansException {
          if (applicationContext == null) {
              return null;
          }
          return (T) applicationContext.getBean(beanId);
      }
  
      /**
       * 获取当前环境
       */
      public static String getActiveProfile() {
          return applicationContext.getEnvironment().getActiveProfiles()[0];
      }
  
  }
  