package moreservlets.filters;

import java.io.*;
import javax.servlet.*;
import javax.servlet.http.*;
import java.util.*; // For Date class

/** Simple filter that prints a report on the standard output 
 *  each time an associated servlet or JSP page is accessed.
 *  <P>
 *  Taken from More Servlets and JavaServer Pages
 *  from Prentice Hall and Sun Microsystems Press,
 *  http://www.moreservlets.com/.
 *  &copy; 2002 Marty Hall; may be freely used or adapted.
 */

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() {}
}