package org.springblade.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 org.springframework.web.context.request.RequestContextHolder;
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import org.springframework.web.context.request.ServletRequestAttributes;
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import javax.servlet.http.HttpServletRequest;
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/**
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* spring 工具类
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* @author zhongrj
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*/
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@Component
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public class SpringUtils implements ApplicationContextAware {
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private static ApplicationContext applicationContext;
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@Override
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public void setApplicationContext(ApplicationContext applicationContext)throws BeansException {
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if (SpringUtils.applicationContext == null) {
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SpringUtils.applicationContext = applicationContext;
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}
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}
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public static HttpServletRequest getRequestHeaders(){
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ServletRequestAttributes requestAttributes = (ServletRequestAttributes) RequestContextHolder.getRequestAttributes();
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// get the request
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HttpServletRequest request = requestAttributes.getRequest();
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// 返回request 对象
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return request;
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}
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/**
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* 获取角色别名
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* @param key
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* @return
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*/
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public static String getRequestParam(String key){
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// get the request
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HttpServletRequest requestHeaders = getRequestHeaders();
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// 返回request 对象
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return requestHeaders.getHeader(key);
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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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public static Object getBean(String name) {
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return getApplicationContext().getBean(name);
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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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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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* 获取当前环境
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*/
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public static String getActiveProfile() {
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return applicationContext.getEnvironment().getActiveProfiles()[0];
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}
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}
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