/**
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* Copyright (c) 2018 人人开源 All rights reserved.
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*
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* https://www.renren.io
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*
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* 版权所有，侵权必究！
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*/
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package com.zt.common.utils;
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import org.springframework.beans.BeansException;
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import org.springframework.context.ApplicationContext;
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import org.springframework.context.ApplicationContextAware;
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import org.springframework.stereotype.Component;
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import java.util.Map;
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/**
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* Spring Context 工具类
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*
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* @author Mark sunlightcs@gmail.com
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*/
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@Component
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public class SpringContextUtils implements ApplicationContextAware {
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public static ApplicationContext applicationContext;
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@Override
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public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
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SpringContextUtils.applicationContext = applicationContext;
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}
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public static Object getBean(String name) {
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return applicationContext.getBean(name);
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}
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public static <T> T getBean(Class<T> requiredType) {
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return applicationContext.getBean(requiredType);
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}
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public static <T> T getBean(String name, Class<T> requiredType) {
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return applicationContext.getBean(name, requiredType);
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}
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public static boolean containsBean(String name) {
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return applicationContext.containsBean(name);
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}
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public static boolean isSingleton(String name) {
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return applicationContext.isSingleton(name);
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}
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public static Class<? extends Object> getType(String name) {
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return applicationContext.getType(name);
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}
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/**
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* 获取接口的实现类实例。
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*
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* @param clazz
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* @return
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*/
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public static <T> Map<String, T> getImplInstance(Class<T> clazz) {
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return applicationContext.getBeansOfType(clazz);
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}
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}
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