servlet和JSP过滤器Filter

servlet和JSP过滤器Filter(25)       picture = "pump-filter.jpg";
    }
  }
}


程序清单9-6 RedirectorServlet.Java
package moreservlets;

import Java.io.*;
import Javax.servlet.*;
import Javax.servlet.http.*;

/** Servlet that simply redirects users to the
* Web application home page. Registered with the
* default servlet URL to prevent clients from
* using http://host/webAppPrefix/servlet/ServletName
* to bypass filters or security settings that
* are associated with custom URLs.
*/

public class RedirectorServlet extends HttpServlet {
  public void doGet(HttpServletRequest request,
                    HttpServletResponse response)
        throws ServletException, IOException {
    response.sendRedirect(request.getContextPath());
  }

  public void doPost(HttpServletRequest request,
                   HttpServletResponse response)
        throws ServletException, IOException {