servlet和JSP过滤器Filter

作者: 来源:网络文章时间:2005-12-15 0:10:56

servlet和JSP过滤器Filter(28)   private ServletContext context;
  private String filterName;
  public void doFilter(ServletRequest request,
                       ServletResponse response,
                       FilterChain chain)
        throws ServletException, IOException {
    HttpServletRequest req = (HttpServletRequest)request;
    context.log(req.getRemoteHost() +
                " tried to Access " +
                req.getRequestURL() +
                " on " + new Date() + ". " +
                "(Reported by " + filterName + ".)");
    chain.doFilter(request,response);
  }

  public void init(FilterConfig config)
        throws ServletException {
    this.config = config; // In case it is needed by subclass.
    context = config.getServletContext();
    filterName = config.getFilterName();

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