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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.actions.admin.report;
20  
21  import java.io.IOException;
22  
23  import javax.servlet.ServletException;
24  import javax.servlet.ServletOutputStream;
25  import javax.servlet.http.HttpServletRequest;
26  import javax.servlet.http.HttpServletResponse;
27  
28  import org.apache.log4j.Logger;
29  import org.apache.struts.action.ActionForm;
30  import org.apache.struts.action.ActionForward;
31  import org.apache.struts.action.ActionMapping;
32  import org.apache.struts.action.ActionMessage;
33  import org.apache.struts.action.ActionMessages;
34  import org.itracker.model.Report;
35  import org.itracker.services.ReportService;
36  import org.itracker.services.util.Base64Coder;
37  import org.itracker.services.util.UserUtilities;
38  import org.itracker.web.actions.base.ItrackerBaseAction;
39  
40  
41  public class ExportReportAction extends ItrackerBaseAction {
42  	private static final Logger log = Logger.getLogger(ExportReportAction.class);
43  	
44      public ExportReportAction () {
45      }
46  
47      public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
48      	ActionMessages errors = new ActionMessages();
49      	
50          String pageTitleKey = "";
51          String pageTitleArg = "";
52  
53          if(! hasPermission(UserUtilities.PERMISSION_USER_ADMIN, request, response)) {
54              return mapping.findForward("unauthorized");
55          }
56  
57          try {
58              Integer reportId = new Integer((request.getParameter("id") == null ? "-1" : request.getParameter("id")));
59              if(reportId == null || reportId.intValue() < 0) {
60                  errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("itracker.web.error.invalidreport"));
61              } else {
62                  ReportService reportService = getITrackerServices().getReportService();
63  
64                  Report report = reportService.getReportDAO().findByPrimaryKey(reportId);
65                  if(report != null) {
66                      //report.setFileData(reportService.getReportFile(reportId));
67                      response.setContentType("application/x-itracker-report-export");
68                      response.setHeader("Content-Disposition", "attachment; filename=\"ITracker_report_" + report.getId() + ".itr\"");
69                      ServletOutputStream out = response.getOutputStream();
70                      log.debug("Attempting export for: " + report);
71                      out.println("# Exported ITracker report " + report.getName());
72                      out.println("id=" + report.getId());
73                      out.println("name=" + report.getName());
74                      out.println("namekey=" + report.getNameKey());
75                      out.println("dataType=" + report.getDataType());
76                      out.println("reportType=" + report.getReportType());
77                      if(report.getClassName() != null && ! report.getClassName().equals("")) {
78                          out.println("className=" + report.getClassName());
79                      }
80                      out.println("description=" + Base64Coder.encodeString(report.getDescription()));
81  //                    out.println("description=" + Base64.encodeObject(report.getDescription(), Base64.DONT_BREAK_LINES));
82                      
83                      //out.println("definition=" + Base64.encodeBytes(report.getFileData(), Base64.DONT_BREAK_LINES));
84                      out.flush();
85                      out.close();
86                      return null;
87                  }
88                  log.debug("Unknown report " + reportId + " specified for export");
89                  errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("itracker.web.error.invalidreport"));
90              }
91          } catch(RuntimeException e) {
92          	pageTitleKey = "itracker.web.error.title";
93          	request.setAttribute("pageTitleKey",pageTitleKey); 
94              request.setAttribute("pageTitleArg",pageTitleArg); 
95              log.error("Exception while exporting a report.", e);
96              errors.add(ActionMessages.GLOBAL_MESSAGE, new ActionMessage("itracker.web.error.system"));
97          }
98          if(! errors.isEmpty()) {
99          	saveErrors(request, errors);
100         }
101 
102         return mapping.findForward("error");
103     }
104 
105 }
106