71 lines
3.2 KiB
HTML
71 lines
3.2 KiB
HTML
<!--
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Licensed to the Apache Software Foundation (ASF) under one or more
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contributor license agreements. See the NOTICE file distributed with
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this work for additional information regarding copyright ownership.
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The ASF licenses this file to You under the Apache License, Version 2.0
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(the "License"); you may not use this file except in compliance with
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the License. You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<html>
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<head>
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<title>Untitled Document</title>
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<meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1">
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</head>
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<body bgcolor="#FFFFFF">
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<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>
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<h3>Source Code for Session Example<font color="#0000FF"><br>
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</font> </h3>
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<font color="#0000FF"></font>
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<pre><font color="#0000FF">import</font> java.io.*;
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<font color="#0000FF">import</font> java.util.*;
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<font color="#0000FF">import</font> javax.servlet.*;
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<font color="#0000FF">import</font> javax.servlet.http.*;
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<font color="#0000FF">public class</font> SessionExample <font color="#0000FF">extends</font> HttpServlet {
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<font color="#0000FF">public void</font> doGet(HttpServletRequest request, HttpServletResponse response)
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<font color="#0000FF">throws</font> IOException, ServletException
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{
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response.setContentType("<font color="#009900">text/html</font>");
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PrintWriter out = response.getWriter();
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HttpSession session = request.getSession(true);
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<font color="#CC0000">// print session info</font>
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Date created = new Date(session.getCreationTime());
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Date accessed = new Date(session.getLastAccessedTime());
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out.println("<font color="#009900">ID </font>" + session.getId());
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out.println("<font color="#009900">Created: </font>" + created);
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out.println("<font color="#009900">Last Accessed: </font>" + accessed);
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<font color="#CC0000">// set session info if needed</font>
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String dataName = request.getParameter("<font color="#009900">dataName</font>");
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if (dataName != null && dataName.length() > 0) {
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String dataValue = request.getParameter("<font color="#009900">dataValue</font>");
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session.setAttribute(dataName, dataValue);
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}
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// print session contents
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Enumeration e = session.getAttributeNames();
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while (e.hasMoreElements()) {
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String name = (String)e.nextElement();
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String value = session.getAttribute(name).toString();
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out.println(name + " <font color="#009900">= </font>" + value);
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}
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}
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}</pre>
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</body>
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</html>
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