package com.kidgrow.zuul.filter;
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import com.netflix.zuul.ZuulFilter;
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import com.netflix.zuul.context.RequestContext;
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import com.netflix.zuul.exception.ZuulException;
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import com.kidgrow.zuul.service.AccessLogService;
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import lombok.extern.slf4j.Slf4j;
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import org.springframework.cloud.netflix.zuul.filters.support.FilterConstants;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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/**
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* 石家庄喜高科技有限责任公司 版权所有 © Copyright 2020<br>
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*
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* @Description: zuul代理后响应处理器<br>
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* @Project: <br>
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* @CreateDate: Created in 2020/2/4 14:49 <br>
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* @Author: <a href="4345453@kidgrow.com">liuke</a>
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*/
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@Slf4j
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public class ZuulResponseFilter extends ZuulFilter {
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private AccessLogService accessLogService;
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public ZuulResponseFilter(AccessLogService accessLogService) {
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this.accessLogService = accessLogService;
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}
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/**
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* 过滤器类型
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* 顺序: pre ->routing -> post ,以上3个顺序出现异常时都可以触发error类型的filter
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*/
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@Override
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public String filterType() {
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return FilterConstants.POST_TYPE;
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}
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/**
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* 同filterType类型中，order值越大，优先级越低
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*/
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@Override
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public int filterOrder() {
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return FilterConstants.SEND_RESPONSE_FILTER_ORDER + 2;
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}
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/**
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* 是否应该执行该过滤器，如果是false，则不执行该filter
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*/
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@Override
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public boolean shouldFilter() {
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return true;
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}
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@Override
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public Object run() throws ZuulException {
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// 代理后响应日志处理
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RequestContext ctx = RequestContext.getCurrentContext();
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HttpServletRequest request = ctx.getRequest();
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HttpServletResponse response = ctx.getResponse();
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// 把路由的serviceId放入作用域
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request.setAttribute(FilterConstants.SERVICE_ID_KEY, ctx.get(FilterConstants.SERVICE_ID_KEY));
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accessLogService.sendLog(request, response,null);
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return null;
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}
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}
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