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Java > Open Source Codes > cowsultants > itracker > web > actions > ExportReportAction


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.actions;
20
21 import java.io.*;
22 import java.rmi.*;
23 import java.util.*;
24 import java.util.zip.*;
25 import javax.ejb.*;
26 import javax.rmi.*;
27 import javax.naming.*;
28 import javax.servlet.*;
29 import javax.servlet.http.*;
30
31 import org.apache.commons.beanutils.*;
32 import org.apache.struts.action.*;
33 import org.apache.struts.upload.*;
34 import org.apache.struts.util.*;
35 import org.apache.struts.validator.*;
36
37 import cowsultants.itracker.ejb.client.exceptions.*;
38 import cowsultants.itracker.ejb.client.interfaces.*;
39 import cowsultants.itracker.ejb.client.models.*;
40 import cowsultants.itracker.ejb.client.resources.*;
41 import cowsultants.itracker.ejb.client.util.*;
42 import cowsultants.itracker.web.util.*;
43
44
45 public class ExportReportAction extends ITrackerAction {
46
47     public ExportReportAction () {
48     }
49
50     public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
51         ActionErrors errors = new ActionErrors();
52
53         if(! isLoggedIn(request, response)) {
54             return mapping.findForward("login");
55         }
56
57         if(! hasPermission(UserUtilities.PERMISSION_USER_ADMIN, request, response)) {
58             return mapping.findForward("unauthorized");
59         }
60
61         try {
62             Integer JavaDoc reportId = (Integer JavaDoc) PropertyUtils.getSimpleProperty(form, "id");
63             if(reportId == null || reportId.intValue() < 0) {
64                 errors.add(ActionErrors.GLOBAL_ERROR, new ActionError("itracker.web.error.invalidreport"));
65             } else {
66                 InitialContext ic = new InitialContext();
67
68                 Object JavaDoc rhRef = ic.lookup("java:comp/env/" + ReportHandler.JNDI_NAME);
69                 ReportHandlerHome rhHome = (ReportHandlerHome) PortableRemoteObject.narrow(rhRef, ReportHandlerHome.class);
70                 ReportHandler rh = rhHome.create();
71
72                 ReportModel report = rh.getReport(reportId);
73                 if(report != null) {
74                     report.setFileData(rh.getReportFile(reportId));
75                     response.setContentType("application/x-itracker-report-export");
76                     response.setHeader("Content-Disposition", "attachment; filename=\"ITracker_report_" + report.getId() + ".itr\"");
77                     ServletOutputStream out = response.getOutputStream();
78                     Logger.logDebug("Attempting export for: " + report);
79                     out.println("# Exported ITracker report " + report.getName());
80                     out.println("id=" + report.getId());
81                     out.println("name=" + report.getName());
82                     out.println("namekey=" + report.getNameKey());
83                     out.println("dataType=" + report.getDataType());
84                     out.println("reportType=" + report.getReportType());
85                     if(report.getClassName() != null && ! report.getClassName().equals("")) {
86                         out.println("className=" + report.getClassName());
87                     }
88                     out.println("description=" + Base64.encodeObject(report.getDescription(), Base64.DONT_BREAK_LINES));
89                     out.println("definition=" + Base64.encodeBytes(report.getFileData(), Base64.DONT_BREAK_LINES));
90                     out.flush();
91                     out.close();
92                     return null;
93                 }
94                 Logger.logDebug("Unknown report " + reportId + " specified for export");
95                 errors.add(ActionErrors.GLOBAL_ERROR, new ActionError("itracker.web.error.invalidreport"));
96             }
97         } catch(Exception JavaDoc e) {
98             Logger.logError("Exception while exporting a report.", e);
99             errors.add(ActionErrors.GLOBAL_ERROR, new ActionError("itracker.web.error.system"));
100         }
101         if(! errors.isEmpty()) {
102             saveErrors(request, errors);
103         }
104
105         return mapping.findForward("error");
106     }
107
108 }
109   
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