Codice completo

Listato 2. Restituisce una risposta diversa in base al browser

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
    pageEncoding="ISO-8859-1"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=ISO-8859-1">
<title>Request Analyzer</title>
</head>
<body>

<h1>Analisi delle Request header:</h1>

<table cellpadding="5" border="1">
    <tr>
        <td align="center"><b>Nome</b></td>
        <td align="center"><b>Valore</b></td>
    </tr>
    <%@page import="java.util.*" %>
    <%
        Enumeration headerNames = request.getHeaderNames();
        while (headerNames.hasMoreElements())
    {
        String nome = (String) headerNames.nextElement();
        String valore = request.getHeader(nome);
        %>
        <tr>
            <td align="right"><%= nome %></td>
            <td><%= valore %></td>
        </tr>
        <%
    }
    %>
</table>   
</body>
</html>