package com.casic.missiles.utils;

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

/**
 * @Description: Spring应用上下文工具
 * @Author: wangpeng
 * @Date: 2022/8/11 18:04
 */
@Component
public class SpringContextUtil 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 {
        SpringContextUtil.applicationContext = applicationContext;
    }

    public static ApplicationContext getApplicationContext() {
        return applicationContext;
    }

    public static Object getBean(String beanId) throws BeansException {
        return applicationContext.getBean(beanId);
    }

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

}