package com.aiup.service.utils;

import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;
import org.springframework.stereotype.Component;

/**
 * Spring Context 工具类
 *
 * @author wangzhiyuan
 * @email wangzhiyuan1@yiche.com
 * @date 2018年1月23日 下午11:45:51
 */
@Component
public class SpringContextUtil implements ApplicationContextAware {
  public static ApplicationContext applicationContext;

  @Override
  public void setApplicationContext(ApplicationContext applicationContext)
          throws BeansException {
    SpringContextUtil.applicationContext = applicationContext;
  }

  public static Object getBean(String name) {
    return applicationContext.getBean(name);
  }

  public static <T> T getBean(String name, Class<T> requiredType) {
    return applicationContext.getBean(name, requiredType);
  }

  public static boolean containsBean(String name) {
    return applicationContext.containsBean(name);
  }

  public static boolean isSingleton(String name) {
    return applicationContext.isSingleton(name);
  }

  public static Class<? extends Object> getType(String name) {
    return applicationContext.getType(name);
  }

}