luz2/src/com/lavans/luz2/http/AccessLogFilter.java

   1 /* $Id: AccessLogFilter.java 94 2008-12-18 11:07:17Z dobashi $ */\r
   2 package com.lavans.luz2.http;\r
   3 \r
   4 import java.io.IOException;\r
   5 \r
   6 import javax.servlet.Filter;\r
   7 import javax.servlet.FilterChain;\r
   8 import javax.servlet.FilterConfig;\r
   9 import javax.servlet.ServletException;\r
  10 import javax.servlet.ServletRequest;\r
  11 import javax.servlet.ServletResponse;\r
  12 import javax.servlet.http.HttpServletRequest;\r
  13 import javax.servlet.http.HttpSession;\r
  14 \r
  15 import org.apache.commons.logging.Log;\r
  16 import org.apache.commons.logging.LogFactory;\r
  17 \r
  18 /**\r
  19  * @author dobashi\r
  20  *\r
  21  */\r
  22 public class AccessLogFilter implements Filter {\r
  23         private static Log logger = LogFactory.getLog(AccessLogFilter.class.getName());\r
  24 \r
  25         /* (非 Javadoc)\r
  26          * @see javax.servlet.Filter#init(javax.servlet.FilterConfig)\r
  27          */\r
  28         public void init(FilterConfig filterConfig) throws ServletException {\r
  29         }\r
  30 \r
  31         /* (非 Javadoc)\r
  32          * @see javax.servlet.Filter#doFilter(javax.servlet.ServletRequest, javax.servlet.ServletResponse, javax.servlet.FilterChain)\r
  33          */\r
  34         public void doFilter(ServletRequest req, ServletResponse res,\r
  35                         FilterChain chain) throws IOException, ServletException {\r
  36 \r
  37             // HttpServletRequest\r
  38                 HttpServletRequest request = (HttpServletRequest) req;\r
  39             String userId = getUserId(request);\r
  40 \r
  41                 // アクションのレスポンスタイムを表示（jsp処理は含まず）\r
  42                 long startTime = System.currentTimeMillis();\r
  43 \r
  44                 chain.doFilter(req, res);\r
  45 \r
  46             // 実行時間のログを出力\r
  47             long delta = System.currentTimeMillis() - startTime;\r
  48 \r
  49                 logger.info(userId + "\t"+ request.getServletPath() +"\t"+ delta + " ms\t");\r
  50         }\r
  51 \r
  52     /* (非 Javadoc)\r
  53          * @see javax.servlet.Filter#destroy()\r
  54          */\r
  55         public void destroy() {\r
  56 \r
  57         }\r
  58 \r
  59         /**\r
  60          * ユーザーIDの取得\r
  61          * @param session\r
  62          * @return\r
  63          */\r
  64         protected String getUserId(HttpServletRequest request){\r
  65                 HttpSession session = request.getSession();\r
  66                 String userId = request.getRemoteHost()+"\t"+session.getId();\r
  67                 return userId;\r
  68         }\r
  69 \r
  70 }\r