package com.gk.hotwork.Config.Oauth2;
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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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/**
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* Static injection of spring objects
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*
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* @author zhangby
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* @date 2019-05-15 11:45
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*/
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@Component
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public class SpringContextUtil implements ApplicationContextAware {
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private static ApplicationContext applicationContext;
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/**
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* 设置 setApplicationContext
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* @param applicationContext application
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* @throws BeansException beansException
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*/
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@Override
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public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
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if (SpringContextUtil.applicationContext == null) {
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SpringContextUtil.applicationContext = applicationContext;
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}
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}
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/**
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* 获取applicationContext
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* @return ApplicationContext
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*/
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public static ApplicationContext getApplicationContext() {
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return applicationContext;
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}
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/**
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* 通过name获取 Bean.
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* @param name 名称
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* @return Object
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*/
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public static Object getBean(String name) {
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return getApplicationContext().getBean(name);
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}
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/**
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* 通过class获取Bean.
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* @param clazz class
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* @param <T> T
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* @return T
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*/
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public static <T> T getBean(Class<T> clazz) {
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return getApplicationContext().getBean(clazz);
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}
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/**
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* 通过name,以及Clazz返回指定的Bean
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* @param name name
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* @param clazz class
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* @param <T> T
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* @return T
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*/
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public static <T> T getBean(String name, Class<T> clazz) {
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return getApplicationContext().getBean(name, clazz);
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}
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}
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