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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 org.itracker.web.servlets;
20  
21  import org.itracker.web.util.Constants;
22  
23  import javax.servlet.ServletException;
24  import javax.servlet.ServletOutputStream;
25  import javax.servlet.http.HttpServletRequest;
26  import javax.servlet.http.HttpServletResponse;
27  import javax.servlet.http.HttpSession;
28  import java.io.IOException;
29  import java.util.Map;
30  
31  
32  public class ReportChartController extends GenericController {
33  
34      /**
35       *
36       */
37      private static final long serialVersionUID = 1L;
38  
39      public ReportChartController() {
40      }
41  
42      public void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
43  
44          HttpSession session = request.getSession(false);
45          if (session == null) {
46              return;
47          }
48  
49          Map<?, ?> imagesMap = (Map<?, ?>) session.getAttribute(Constants.REPORT_IMAGEMAP_KEY);
50  
51          if (imagesMap != null) {
52              String imageName = request.getParameter("image");
53              if (imageName != null) {
54                  byte[] imageData = (byte[]) imagesMap.get(imageName);
55  
56                  response.setContentLength(imageData.length);
57                  ServletOutputStream ouputStream = response.getOutputStream();
58                  ouputStream.write(imageData, 0, imageData.length);
59                  ouputStream.flush();
60                  ouputStream.close();
61              }
62          }
63      }
64  }