source: nutchez-0.1/tomcat/webapps/examples/servlets/cookies.html @ 224

Last change on this file since 224 was 66, checked in by waue, 15 years ago

NutchEz - an easy way to nutch

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2 Licensed to the Apache Software Foundation (ASF) under one or more
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5  The ASF licenses this file to You under the Apache License, Version 2.0
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17<html>
18<head>
19<title>Untitled Document</title>
20<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
21</head>
22
23<body bgcolor="#FFFFFF">
24<p><font color="#0000FF"><a href="servlet/CookieExample"><img src="images/execute.gif" align="right" border="0"></a><a href="index.html"><img src="images/return.gif" width="24" height="24" align="right" border="0"></a></font></p>
25<h3>Source Code for Cookie Example<font color="#0000FF"><br>
26  </font> </h3>
27<font color="#0000FF"></font> 
28<pre><font color="#0000FF">import</font> java.io.*;
29<font color="#0000FF">import</font> javax.servlet.*;
30<font color="#0000FF">import</font> javax.servlet.http.*;
31
32<font color="#0000FF">public class</font> CookieExample <font color="#0000FF">extends</font> HttpServlet {
33
34    <font color="#0000FF">public void</font> doGet(HttpServletRequest request, HttpServletResponse response)
35    <font color="#0000FF">throws</font> IOException, ServletException
36    {
37        response.setContentType(&quot;<font color="#009900">text/html</font>&quot;);
38        PrintWriter out = response.getWriter();
39       
40        <font color="#CC0000">// print out cookies</font>
41
42        Cookie[] cookies = request.getCookies();
43        for (int i = 0; i &lt; cookies.length; i++) {
44            Cookie c = cookies[i];
45            String name = c.getName();
46            String value = c.getValue();
47            out.println(name + &quot;<font color="#009900"> = </font>&quot; + value);
48        }
49
50        <font color="#CC0000">// set a cookie</font>
51
52        String name = request.getParameter(&quot;<font color="#009900">cookieName</font>&quot;);
53        if (name != null &amp;&amp; name.length() &gt; 0) {
54            String value = request.getParameter(&quot;<font color="#009900">cookieValue</font>&quot;);
55            Cookie c = new Cookie(name, value);
56            response.addCookie(c);
57        }
58    }
59}</pre>
60</body>
61</html>
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