/* | |
* Licensed to the Apache Software Foundation (ASF) under one or more | |
* contributor license agreements. See the NOTICE file distributed with | |
* this work for additional information regarding copyright ownership. | |
* The ASF licenses this file to You 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 | |
* | |
* Unless required by applicable law or agreed to in writing, software | |
* distributed under the License is distributed on an "AS IS" BASIS, | |
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | |
* See the License for the specific language governing permissions and | |
* limitations under the License. | |
*/ | |
import java.io.IOException; | |
import java.io.PrintWriter; | |
import java.util.Date; | |
import java.util.Enumeration; | |
import java.util.ResourceBundle; | |
import javax.servlet.ServletException; | |
import javax.servlet.http.HttpServlet; | |
import javax.servlet.http.HttpServletRequest; | |
import javax.servlet.http.HttpServletResponse; | |
import javax.servlet.http.HttpSession; | |
import util.HTMLFilter; | |
/** | |
* Example servlet showing request headers | |
* | |
* @author James Duncan Davidson <duncan@eng.sun.com> | |
*/ | |
public class SessionExample extends HttpServlet { | |
private static final long serialVersionUID = 1L; | |
private static final ResourceBundle RB = ResourceBundle.getBundle("LocalStrings"); | |
@Override | |
public void doGet(HttpServletRequest request, | |
HttpServletResponse response) | |
throws IOException, ServletException | |
{ | |
response.setContentType("text/html"); | |
PrintWriter out = response.getWriter(); | |
out.println("<html>"); | |
out.println("<head>"); | |
String title = RB.getString("sessions.title"); | |
out.println("<title>" + title + "</title>"); | |
out.println("</head>"); | |
out.println("<body bgcolor=\"white\">"); | |
// img stuff not req'd for source code html showing | |
// relative links everywhere! | |
// XXX | |
// making these absolute till we work out the | |
// addition of a PathInfo issue | |
out.println("<a href=\"../sessions.html\">"); | |
out.println("<img src=\"../images/code.gif\" height=24 " + | |
"width=24 align=right border=0 alt=\"view code\"></a>"); | |
out.println("<a href=\"../index.html\">"); | |
out.println("<img src=\"../images/return.gif\" height=24 " + | |
"width=24 align=right border=0 alt=\"return\"></a>"); | |
out.println("<h3>" + title + "</h3>"); | |
HttpSession session = request.getSession(true); | |
out.println(RB.getString("sessions.id") + " " + session.getId()); | |
out.println("<br>"); | |
out.println(RB.getString("sessions.created") + " "); | |
out.println(new Date(session.getCreationTime()) + "<br>"); | |
out.println(RB.getString("sessions.lastaccessed") + " "); | |
out.println(new Date(session.getLastAccessedTime())); | |
String dataName = request.getParameter("dataname"); | |
String dataValue = request.getParameter("datavalue"); | |
if (dataName != null && dataValue != null) { | |
session.setAttribute(dataName, dataValue); | |
} | |
out.println("<P>"); | |
out.println(RB.getString("sessions.data") + "<br>"); | |
Enumeration<String> names = session.getAttributeNames(); | |
while (names.hasMoreElements()) { | |
String name = names.nextElement(); | |
String value = session.getAttribute(name).toString(); | |
out.println(HTMLFilter.filter(name) + " = " | |
+ HTMLFilter.filter(value) + "<br>"); | |
} | |
out.println("<P>"); | |
out.print("<form action=\""); | |
out.print(response.encodeURL("SessionExample")); | |
out.print("\" "); | |
out.println("method=POST>"); | |
out.println(RB.getString("sessions.dataname")); | |
out.println("<input type=text size=20 name=dataname>"); | |
out.println("<br>"); | |
out.println(RB.getString("sessions.datavalue")); | |
out.println("<input type=text size=20 name=datavalue>"); | |
out.println("<br>"); | |
out.println("<input type=submit>"); | |
out.println("</form>"); | |
out.println("<P>GET based form:<br>"); | |
out.print("<form action=\""); | |
out.print(response.encodeURL("SessionExample")); | |
out.print("\" "); | |
out.println("method=GET>"); | |
out.println(RB.getString("sessions.dataname")); | |
out.println("<input type=text size=20 name=dataname>"); | |
out.println("<br>"); | |
out.println(RB.getString("sessions.datavalue")); | |
out.println("<input type=text size=20 name=datavalue>"); | |
out.println("<br>"); | |
out.println("<input type=submit>"); | |
out.println("</form>"); | |
out.print("<p><a href=\""); | |
out.print(HTMLFilter.filter(response.encodeURL("SessionExample?dataname=foo&datavalue=bar"))); | |
out.println("\" >URL encoded </a>"); | |
out.println("</body>"); | |
out.println("</html>"); | |
} | |
@Override | |
public void doPost(HttpServletRequest request, | |
HttpServletResponse response) | |
throws IOException, ServletException | |
{ | |
doGet(request, response); | |
} | |
} |