requestFilter

requestFilter 打印输入日志

package com.xiaoju.uemc.tinyid.server.filter;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.boot.web.servlet.ServletComponentScan;
import org.springframework.stereotype.Component;
import org.springframework.util.StringUtils;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;
import javax.servlet.annotation.WebFilter;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.Map;

/**

• @Author du_imba
  /
  @Component
  @ServletComponentScan
  @WebFilter(urlPatterns = "/", filterName = “requestFilter”)
  public class RequestFilter implements Filter {

  private static final Logger logger = LoggerFactory.getLogger(RequestFilter.class);

  @Override
  public void init(FilterConfig filterConfig) throws ServletException {

  }

  @Override
  public void doFilter(ServletRequest servletRequest, ServletResponse servletResponse, FilterChain filterChain) throws IOException, ServletException {
  HttpServletRequest request = (HttpServletRequest) servletRequest;
  HttpServletResponse response = (HttpServletResponse) servletResponse;
  String params = “”;
  Map<String, String[]> paramsMap = request.getParameterMap();
  if (paramsMap != null && !paramsMap.isEmpty()) {
  for (Map.Entry<String, String[]> entry : paramsMap.entrySet()) {
  params += entry.getKey() + “:” + StringUtils.arrayToDelimitedString(entry.getValue(), “,”) + “;”;
  }
  }
  long start = System.currentTimeMillis();
  try {
  filterChain.doFilter(request, response);
  } catch (Throwable e) {
  throw e;
  } finally {
  long cost = System.currentTimeMillis() - start;
  logger.info(“request filter path={}, cost={}, params={}”, request.getServletPath(), cost, params);
  }
  }

  @Override
  public void destroy() {

  }
  }