Java Tutorial/JSP/HTTP Header
Get HTTP Header Information
index.jsp
<HTML>
<HEAD>
<TITLE>Getting Header Data</TITLE>
</HEAD>
<BODY>
<H1>Getting Header Data</H1>
<FORM ACTION="basic.jsp" METHOD="POST">
<INPUT TYPE="submit" VALUE="Submit">
</FORM>
</BODY>
</HTML>
Print out HTTP Request Headers
<%--
Copyright (c) 2002 by Phil Hanna
All rights reserved.
You may study, use, modify, and distribute this
software for any purpose provided that this
copyright notice appears in all copies.
This software is provided without warranty
either expressed or implied.
--%>
<%@ page import="java.util.*" %>
<html>
<head>
<title>Echo</title>
<style>
<jsp:include page="style.css" flush="true"/>
</style>
</head>
<body>
<h1>HTTP Request Headers Received</h1>
<table border="1" cellpadding="4" cellspacing="0">
<%
Enumeration eNames = request.getHeaderNames();
while (eNames.hasMoreElements()) {
String name = (String) eNames.nextElement();
String value = normalize(request.getHeader(name));
%>
<tr><td><%= name %></td><td><%= value %></td></tr>
<%
}
%>
</table>
</body>
</html>
<%!
private String normalize(String value)
{
StringBuffer sb = new StringBuffer();
for (int i = 0; i < value.length(); i++) {
char c = value.charAt(i);
sb.append(c);
if (c == ";")
sb.append("<br>");
}
return sb.toString();
}
%>
