Codice completo FiltroB

package web;

import java.io.IOException;

import javax.servlet.Filter;
import javax.servlet.FilterChain;
import javax.servlet.FilterConfig;
import javax.servlet.ServletException;
import javax.servlet.ServletRequest;
import javax.servlet.ServletResponse;

public class FiltroB implements Filter {

    public void init(FilterConfig arg0) throws ServletException {  }
    
    public void doFilter(ServletRequest request, ServletResponse response,
        FilterChain chain) throws IOException, ServletException
    {
    
    System.out.println("Inizio del metodo doFilter del filtro FiltroB");
    System.out.println("Il client remoto è " + request.getRemoteHost());
    System.out.println("La userID inserita è " +
        request.getParameter("userID"));
    System.out.println("La password inserita è " +
        request.getParameter("password"));
  
    try
    {
      chain.doFilter(request,response);      
    }
    catch(Exception ex)
    {
      ex.printStackTrace();
    }
    
    System.out.println("La servlet ha terminato la sua azione");
    System.out.println("Il filtro FiltroB ripassa il controllo al " +
         "filtro FiltroA");
    }
    
    public void destroy() {  }

}