java 日志过滤器
记录日志.
LoggerFilter.java
package com.easyweb.web.character;
import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
/**
?* 全局日志记录过滤器(暂且不用,现在使用的是spring aop记录日志)
?* @author Administrator
?*
?*/
public class LoggerFilter implements Filter{
? private FilterConfig filterConfig = null;
??? public void doFilter(ServletRequest request, ServletResponse response,
????? FilterChain chain)
????? throws IOException, ServletException
??? {
????? long start = System.currentTimeMillis();
????? String address =?? request.getRemoteAddr();
????? String file = ((HttpServletRequest) request).getRequestURI();
????? chain.doFilter(request, response);
????? filterConfig.getServletContext().log(
????????? "User access! " +?????
????????? " User IP: " + address +?????
????????? " Resource: " + file +
????????? " Milliseconds used: " + (System.currentTimeMillis() - start)
????? );
????? //记录到数据库
??? }
??? public void destroy() { }
??? public void init(FilterConfig filterConfig) {
????? this.filterConfig = filterConfig;
??? }
}
