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/*
 * Copyright (c) 2018-2019.‭‭‭‭‭‭‭‭‭‭‭‭[zuoqinggang] www.pingfangushi.com
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see .
 */


package cn.smallbun.scaffold.framework.context;

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


/**
 * 获取Spring上下文对象
 *
 * @author SanLi
 * Created  by [email protected]  on 2018/2/23
 */
@Component
public class ApplicationContextHelp implements ApplicationContextAware {
	/**
	 * 上下文对象实例
	 */
	private static ApplicationContext applicationContext;

	/**
	 * 构造函数
	 * @param applicationContext {@link ApplicationContext}
	 * @throws BeansException  BeansException
	 */
	@Override
	public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
		ApplicationContextHelp.applicationContext = applicationContext;
	}

	/**
	 * 获取applicationContext
	 * @return {@link ApplicationContext}
	 */
	public static ApplicationContext getApplicationContext() {
		return applicationContext;
	}

	/**
	 * 通过name获取 Bean.
	 * @param name {@link String} name
	 * @return {@link Object}
	 */
	public static Object getBean(String name) {
		return getApplicationContext().getBean(name);
	}

	/**
	 * 通过class获取Bean.
	 * @param clazz {@link Class}
	 * @param  type
	 * @return {@link Object}
	 */
	public static  T getBean(Class clazz) {
		return getApplicationContext().getBean(clazz);
	}

	/**
	 * 通过name,以及Clazz返回指定的Bean
	 * @param name {@link String}
	 * @param clazz {@link Class}
	 * @param  type
	 * @return T
	 */
	public static  T getBean(String name, Class clazz) {
		return getApplicationContext().getBean(name, clazz);
	}
}