package com.zy.common;

import com.zy.common.exception.CoolException;
import org.springframework.beans.BeansException;
import org.springframework.context.ApplicationContext;
import org.springframework.context.ApplicationContextAware;

public class SpringUtils implements ApplicationContextAware {
    private static ApplicationContext application;

    public static void init(ApplicationContext context) {
        application = context;
    }

    public void setApplicationContext(ApplicationContext context) throws BeansException {
        application = context;
    }

    private static ApplicationContext getApplicationContext() {
        if (application == null) {
            throw new CoolException("500-服务器错误");
        } else {
            return application;
        }
    }

    public static <T> T getBean(Class<T> prototype) {
        return (T)getApplicationContext().getBean(prototype);
    }

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