juplo.de Git - percentcodec/blob - test/src/main/java/de/halbekunst/juplo/test/LoggingHttpServletResponseFilter.java

   1 package de.halbekunst.juplo.test;
   2
   3 import java.io.IOException;
   4 import javax.servlet.Filter;
   5 import javax.servlet.FilterChain;
   6 import javax.servlet.FilterConfig;
   7 import javax.servlet.ServletException;
   8 import javax.servlet.ServletRequest;
   9 import javax.servlet.ServletResponse;
  10 import javax.servlet.http.HttpServletRequest;
  11 import javax.servlet.http.HttpServletResponse;
  12 import org.slf4j.Logger;
  13 import org.slf4j.LoggerFactory;
  14
  15 /**
  16  *
  17  * @author kai
  18  */
  19 public class LoggingHttpServletResponseFilter implements Filter {
  20
  21   private final static Logger log = LoggerFactory.getLogger(LoggingHttpServletResponseWrapper.class);
  22
  23
  24   @Override
  25   public void init(FilterConfig filterConfig) throws ServletException {
  26   }
  27
  28   @Override
  29   public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException {
  30     HttpServletRequest request = (HttpServletRequest)req;
  31     HttpServletResponse response = (HttpServletResponse)res;
  32     log.info("counting request {}", request.getRequestURI());
  33     LoggingHttpServletResponseWrapper wrappedResponse =
  34         new LoggingHttpServletResponseWrapper(request.getRequestURI(), response);
  35     chain.doFilter(request, wrappedResponse);
  36     log.info("response-size: {}", wrappedResponse.close());
  37   }
  38
  39   @Override
  40   public void destroy() {
  41   }
  42 }