com.relaxed.autoconfigure.web.filter

类 TraceIdFilter

java.lang.Object

org.springframework.web.filter.GenericFilterBean

org.springframework.web.filter.OncePerRequestFilter

com.relaxed.autoconfigure.web.filter.TraceIdFilter

所有已实现的接口:

javax.servlet.Filter, org.springframework.beans.factory.Aware, org.springframework.beans.factory.BeanNameAware, org.springframework.beans.factory.DisposableBean, org.springframework.beans.factory.InitializingBean, org.springframework.context.EnvironmentAware, org.springframework.core.env.EnvironmentCapable, org.springframework.web.context.ServletContextAware

public class TraceIdFilter
extends org.springframework.web.filter.OncePerRequestFilter

TraceId过滤器 利用Slf4J的MDC功能，为每个请求添加唯一的TraceId 用于在分布式系统中追踪请求链路

从以下版本开始:

1.0

作者:

Yakir

字段概要

从类继承的字段 org.springframework.web.filter.OncePerRequestFilter

ALREADY_FILTERED_SUFFIX

从类继承的字段 org.springframework.web.filter.GenericFilterBean

logger

构造器概要

构造器

构造器和说明
TraceIdFilter()

方法概要

限定符和类型	方法和说明
protected void	doFilterInternal(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, javax.servlet.FilterChain filterChain) 处理HTTP请求 为每个请求添加唯一的TraceId，并在请求完成后清理

从类继承的方法 org.springframework.web.filter.OncePerRequestFilter

doFilter, doFilterNestedErrorDispatch, getAlreadyFilteredAttributeName, isAsyncDispatch, isAsyncStarted, shouldNotFilter, shouldNotFilterAsyncDispatch, shouldNotFilterErrorDispatch

从类继承的方法 org.springframework.web.filter.GenericFilterBean

addRequiredProperty, afterPropertiesSet, createEnvironment, destroy, getEnvironment, getFilterConfig, getFilterName, getServletContext, init, initBeanWrapper, initFilterBean, setBeanName, setEnvironment, setServletContext

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

TraceIdFilter

public TraceIdFilter()

方法详细资料

doFilterInternal

protected void doFilterInternal(javax.servlet.http.HttpServletRequest request,
                                javax.servlet.http.HttpServletResponse response,
                                javax.servlet.FilterChain filterChain)
                         throws javax.servlet.ServletException,
                                IOException

处理HTTP请求 为每个请求添加唯一的TraceId，并在请求完成后清理

指定者:

doFilterInternal 在类中 org.springframework.web.filter.OncePerRequestFilter

参数:

request - HTTP请求

response - HTTP响应

filterChain - 过滤器链

抛出:

javax.servlet.ServletException - 如果处理请求时发生异常

IOException - 如果处理IO时发生异常