package com.ruoyi.system.task.utils;

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

@Component
public class SpringContextsUtil implements ApplicationContextAware{

	private static ApplicationContext applicationContext;
	 
	@Override	
	public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {		
		if (SpringContextsUtil.applicationContext == null) {			
			SpringContextsUtil.applicationContext = applicationContext;		
		}	
	} 	
	// 获取applicationContext	
	public static ApplicationContext getApplicationContext() {		
		return applicationContext;	
	} 	
	// 通过name获取 Bean.	
	public static Object getBean(String name) {		
		return getApplicationContext().getBean(name);	
	} 	
	// 通过class获取Bean.	
	public static <T> T getBean(Class<T> clazz) {		
		return getApplicationContext().getBean(clazz);	
	} 	
	// 通过name,以及Clazz返回指定的Bean	
	public static <T> T getBean(String name, Class<T> clazz) {	
		System.out.println(getApplicationContext().getBean(name, clazz));
		return getApplicationContext().getBean(name, clazz);	
	}
    
}