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


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 javax.ejb.*;
25 import javax.rmi.*;
26 import javax.naming.*;
27 import javax.servlet.*;
28 import javax.servlet.http.*;
29
30 import org.apache.commons.beanutils.*;
31 import org.apache.struts.action.*;
32 import org.apache.struts.util.*;
33
34 import cowsultants.itracker.ejb.client.exceptions.*;
35 import cowsultants.itracker.ejb.client.interfaces.*;
36 import cowsultants.itracker.ejb.client.models.*;
37 import cowsultants.itracker.ejb.client.util.*;
38 import cowsultants.itracker.web.scheduler.*;
39 import cowsultants.itracker.web.util.*;
40
41
42 public class RemoveTaskAction extends ITrackerAction {
43
44     public RemoveTaskAction() {
45     }
46
47     public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
48         ActionErrors errors = new ActionErrors();
49
50         if(! isLoggedIn(request, response)) {
51             return mapping.findForward("login");
52         }
53
54         try {
55             HttpSession session = request.getSession(true);
56             HashMap userPermissions = (HashMap) session.getAttribute(Constants.PERMISSIONS_KEY);
57             if(! UserUtilities.hasPermission(userPermissions, UserUtilities.PERMISSION_USER_ADMIN)) {
58                 return mapping.findForward("unauthorized");
59             }
60
61             InitialContext ic = new InitialContext();
62
63             Object JavaDoc shRef = ic.lookup("java:comp/env/" + SchedulerHandler.JNDI_NAME);
64             SchedulerHandlerHome shHome = (SchedulerHandlerHome) PortableRemoteObject.narrow(shRef, SchedulerHandlerHome.class);
65             SchedulerHandler sh = shHome.create();
66
67             Integer JavaDoc taskId = new Integer JavaDoc((request.getParameter("id") == null ? "-1" : request.getParameter("id")));
68             if(taskId.intValue() > 0) {
69                 sh.removeTask(taskId);
70                 Scheduler.removeTask(taskId.intValue());
71                 return mapping.findForward("listtasks");
72             }
73         } catch(NumberFormatException JavaDoc nfe) {
74             errors.add(ActionErrors.GLOBAL_ERROR, new ActionError("itracker.web.error.invalidtask"));
75             Logger.logDebug("Invalid taskId " + request.getParameter("id") + " specified.");
76         } catch(Exception JavaDoc e) {
77             errors.add(ActionErrors.GLOBAL_ERROR, new ActionError("itracker.web.error.system"));
78             Logger.logError("System Error.", e);
79         }
80         if(! errors.isEmpty()) {
81             saveErrors(request, errors);
82         }
83         return mapping.findForward("error");
84     }
85
86 }
87   
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