showhdrs.jsp: Show Request Headers
<%@ page import="java.util.Enumeration" %>
<html>
<head>
<title>JSP Request Headers</title>
</head>
<body>
<h1>JSP Request Headers</h1>
Request URI = <code><%= request.getRequestURI () %></code>
<p>
<%
Enumeration headers = request.getHeaderNames ();
if (headers == null)
%>
No Request Headers
<%
else
{
String headername;
String headerval;
%>
<ul>
<%
while (headers.hasMoreElements ())
{
headername = (String) headers.nextElement ();
headerval = request.getHeader (headername);
%>
<li><code><%= headername %></code> =
<%
if (headerval == null)
{
%>
<null>
<%
}
else
{
%>
<code><%= headerval %></code>
<%
}
}
%>
</ul>
<%
}
%>
</body>
</html>