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 |   Copyright 2004 The Apache Software Foundation | 
 |  | 
 |   Licensed under the Apache License, Version 2.0 (the "License"); | 
 |   you may not use this file except in compliance with the License. | 
 |   You may obtain a copy of the License at | 
 |  | 
 |       http://www.apache.org/licenses/LICENSE-2.0 | 
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 |   Unless required by applicable law or agreed to in writing, software | 
 |   distributed under the License is distributed on an "AS IS" BASIS, | 
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 | <html> | 
 | <head> | 
 | <title>Untitled Document</title> | 
 | <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> | 
 | </head> | 
 |  | 
 | <body bgcolor="#FFFFFF"> | 
 | <p><font color="#0000FF"><a href="servlet/SessionExample"><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> | 
 | <h3>Source Code for Session Example<font color="#0000FF"><br> | 
 |   </font> </h3> | 
 | <font color="#0000FF"></font>  | 
 | <pre><font color="#0000FF">import</font> java.io.*; | 
 | <font color="#0000FF">import</font> java.util.*; | 
 | <font color="#0000FF">import</font> javax.servlet.*; | 
 | <font color="#0000FF">import</font> javax.servlet.http.*; | 
 |  | 
 | <font color="#0000FF">public class</font> SessionExample <font color="#0000FF">extends</font> HttpServlet { | 
 |  | 
 |     <font color="#0000FF">public void</font> doGet(HttpServletRequest request, HttpServletResponse response) | 
 |     <font color="#0000FF">throws</font> IOException, ServletException | 
 |     { | 
 |         response.setContentType("<font color="#009900">text/html</font>"); | 
 |         PrintWriter out = response.getWriter(); | 
 |          | 
 |         HttpSession session = request.getSession(true); | 
 |  | 
 |         <font color="#CC0000">// print session info</font> | 
 |  | 
 |         Date created = new Date(session.getCreationTime()); | 
 |         Date accessed = new Date(session.getLastAccessedTime()); | 
 |         out.println("<font color="#009900">ID </font>" + session.getId()); | 
 |         out.println("<font color="#009900">Created: </font>" + created); | 
 |         out.println("<font color="#009900">Last Accessed: </font>" + accessed); | 
 |  | 
 |         <font color="#CC0000">// set session info if needed</font> | 
 |  | 
 |         String dataName = request.getParameter("<font color="#009900">dataName</font>"); | 
 |         if (dataName != null && dataName.length() > 0) { | 
 |             String dataValue = request.getParameter("<font color="#009900">dataValue</font>"); | 
 |             session.setAttribute(dataName, dataValue); | 
 |         } | 
 |  | 
 |         // print session contents | 
 |  | 
 |         Enumeration e = session.getAttributeNames(); | 
 |         while (e.hasMoreElements()) { | 
 |             String name = (String)e.nextElement(); | 
 |             String value = session.getAttribute(name).toString(); | 
 |             out.println(name + " <font color="#009900">= </font>" + value); | 
 |         } | 
 |     } | 
 | }</pre> | 
 | </body> | 
 | </html> |