package com.qxueyou.scc.sys.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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@Component
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public class SpringContextHolder implements ApplicationContextAware {
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/**
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* ÒÔ¾²Ì¬±äÁ¿±£´æApplicationContext,¿ÉÔÚÈÎÒâ´úÂëÖÐÈ¡³öApplicaitonContext.
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*/
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private static ApplicationContext context;
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/**
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* ʵÏÖApplicationContextAware½Ó¿ÚµÄcontext×¢È뺯Êý, ½«Æä´æÈ뾲̬±äÁ¿.
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*/
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@Override
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public void setApplicationContext(ApplicationContext applicationContext) throws BeansException {
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SpringContextHolder.context = applicationContext;
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}
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/**
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* »ñÈ¡applicationContext
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* @return
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*/
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public ApplicationContext getApplicationContext() {
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return context;
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}
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/**
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* ͨ¹ýname»ñÈ¡ Bean.
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* @param name
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* @return
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*/
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public static Object getBean(String name){
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return context.getBean(name);
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}
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/**
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* ͨ¹ýclass»ñÈ¡Bean.
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* @param <T>
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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> getBeans(Class<T> clazz){
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return context.getBeansOfType(clazz);
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}
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/**
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* ͨ¹ýclass»ñÈ¡Bean.
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* @param clazz
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* @param <T>
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* @return
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*/
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public static <T> T getBean(Class<T> clazz){
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return context.getBean(clazz);
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}
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/**
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* ͨ¹ýname,ÒÔ¼°Clazz·µ»ØÖ¸¶¨µÄBean
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* @param name
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* @param clazz
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* @param <T>
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* @return
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*/
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public static <T> T getBean(String name, Class<T> clazz){
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return context.getBean(name, clazz);
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}
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}
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