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Java > Open Source Codes > cowsultants > itracker > web > servlets > ReportChartController


1 /*
2  * This software was designed and created by Jason Carroll.
3  * Copyright (c) 2002, 2003, 2004 Jason Carroll.
4  * The author can be reached at jcarroll@cowsultants.com
5  * ITracker website: http://www.cowsultants.com
6  * ITracker forums: http://www.cowsultants.com/phpBB/index.php
7  *
8  * This program is free software; you can redistribute it and/or modify
9  * it only under the terms of the GNU General Public License as published by
10  * the Free Software Foundation; either version 2 of the License, or
11  * (at your option) any later version.
12  *
13  * This program is distributed in the hope that it will be useful,
14  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16  * GNU General Public License for more details.
17  */
18
19 package cowsultants.itracker.web.servlets;
20
21 import java.io.*;
22 import java.util.Map JavaDoc;
23 import javax.servlet.*;
24 import javax.servlet.http.*;
25
26 import cowsultants.itracker.web.util.Constants;
27
28 public class ReportChartController extends GenericController {
29
30     public ReportChartController() {
31     }
32
33     public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
34         if(! isLoggedIn(request, response)) {
35             return;
36         }
37
38         HttpSession session = request.getSession(false);
39         if(session == null) {
40             return;
41         }
42
43         Map JavaDoc imagesMap = (Map JavaDoc) session.getAttribute(Constants.REPORT_IMAGEMAP_KEY);
44
45         if(imagesMap != null) {
46                 String JavaDoc imageName = request.getParameter("image");
47                 if(imageName != null) {
48                     byte[] imageData = (byte[])imagesMap.get(imageName);
49
50                     response.setContentLength(imageData.length);
51                     ServletOutputStream ouputStream = response.getOutputStream();
52                     ouputStream.write(imageData, 0, imageData.length);
53                     ouputStream.flush();
54                     ouputStream.close();
55                 }
56         }
57     }
58 }
59     
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