ReportFilter.java

package com.wolf.pub;

/**
 * Created by IntelliJ IDEA.
 * User: user
 * Date: 2008-4-10
 * Time: 9:07:30
 * To change this template use File | Settings | File Templates.
 */
import javax.servlet.*;
import javax.servlet.http.HttpServletRequest;
import java.io.IOException;
import java.util.Date; // For Date class

/** Simple filter that prints a report on the standard output
* each time an associated servlet or JSP page is accessed.
*/

public class ReportFilter implements Filter {
  public void doFilter(ServletRequest request,
                  ServletResponse response,
                 FilterChain chain)
      throws ServletException, IOException {
    HttpServletRequest req = (HttpServletRequest)request;
    System.out.println(req.getRemoteHost() +
                   " tried to access " +
                   req.getRequestURL() +
                   " on " + new Date() + ".");
    chain.doFilter(request,response);
  }

  public void init(FilterConfig config)
      throws ServletException {
  }

 public void destroy() {}
}