package com.kidgrow.common.filter;
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import cn.hutool.core.util.StrUtil;
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import com.kidgrow.common.constant.CommonConstant;
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import com.kidgrow.log.properties.TraceProperties;
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import org.slf4j.MDC;
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import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
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import org.springframework.web.filter.OncePerRequestFilter;
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import javax.annotation.Resource;
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import javax.servlet.Filter;
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import javax.servlet.FilterChain;
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import javax.servlet.ServletException;
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import javax.servlet.http.HttpServletRequest;
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import javax.servlet.http.HttpServletResponse;
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import java.io.IOException;
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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: 日志跟踪过滤器<br>
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* @Project: <br>
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* @CreateDate: Created in 2020/2/27 14:57 <br>
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* @Author: <a href="4345453@kidgrow.com">liuke</a>
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*/
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@ConditionalOnClass(Filter.class)
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public class TraceFilter extends OncePerRequestFilter {
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@Resource
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private TraceProperties traceProperties;
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@Override
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protected boolean shouldNotFilter(HttpServletRequest request) {
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return !traceProperties.getEnable();
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}
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@Override
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protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response,
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FilterChain filterChain) throws IOException, ServletException {
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try {
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String traceId = request.getHeader(CommonConstant.TRACE_ID_HEADER);
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if (StrUtil.isNotEmpty(traceId)) {
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MDC.put(CommonConstant.LOG_TRACE_ID, traceId);
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}
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filterChain.doFilter(request, response);
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} finally {
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MDC.clear();
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}
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}
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}
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