package org.jeecg.common.util;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import org.jeecg.common.constant.CommonConstant;
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import org.jeecg.common.constant.ServiceNameConstants;
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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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/**
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* @Description: spring上下文工具类
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* @author: jeecg-boot
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*/
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@Component
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public class SpringContextUtils implements ApplicationContextAware {
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/**
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* 上下文对象实例
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*/
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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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SpringContextUtils.applicationContext = applicationContext;
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}
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/**
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* 获取applicationContext
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*
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* @return
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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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* 获取HttpServletRequest
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*/
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public static HttpServletRequest getHttpServletRequest() {
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return ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getRequest();
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}
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/**
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* 获取HttpServletResponse
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*/
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public static HttpServletResponse getHttpServletResponse() {
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return ((ServletRequestAttributes) RequestContextHolder.getRequestAttributes()).getResponse();
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}
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/**
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* 获取项目根路径 basePath
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*/
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public static String getDomain(){
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HttpServletRequest request = getHttpServletRequest();
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StringBuffer url = request.getRequestURL();
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//1.微服务情况下，获取gateway的basePath
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String basePath = request.getHeader(ServiceNameConstants.X_GATEWAY_BASE_PATH);
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if(oConvertUtils.isNotEmpty(basePath)){
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return basePath;
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}else{
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String domain = url.delete(url.length() - request.getRequestURI().length(), url.length()).toString();
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//2.【兼容】SSL认证之后，request.getScheme()获取不到https的问题
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// https://blog.csdn.net/weixin_34376986/article/details/89767950
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String scheme = request.getHeader(CommonConstant.X_FORWARDED_SCHEME);
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if(scheme!=null && !request.getScheme().equals(scheme)){
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domain = domain.replace(request.getScheme(),scheme);
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}
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return domain;
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}
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}
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public static String getOrigin(){
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HttpServletRequest request = getHttpServletRequest();
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return request.getHeader("Origin");
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}
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/**
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* 通过name获取 Bean.
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*
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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 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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*
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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 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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*
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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 getApplicationContext().getBean(name, clazz);
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}
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}
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