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Java > Open Source Codes > org > jresearch > gossip > actions > message > attachment > DeleteAttachmentAction


1 /*
2  * $Id: DeleteAttachmentAction.java,v 1.3 2005/06/07 12:32:27 bel70 Exp $
3  *
4  * ***** BEGIN LICENSE BLOCK *****
5  * The contents of this file are subject to the Mozilla Public License
6  * Version 1.1 (the "License"); you may not use this file except in
7  * compliance with the License. You may obtain a copy of the License
8  * at http://www.mozilla.org/MPL/
9  *
10  * Software distributed under the License is distributed on an "AS IS"
11  * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See
12  * the License for the specific language governing rights and
13  * limitations under the License.
14  *
15  * The Original Code is JGossip forum code.
16  *
17  * The Initial Developer of the Original Code is the JResearch, Org.
18  * Portions created by the Initial Developer are Copyright (C) 2004
19  * the Initial Developer. All Rights Reserved.
20  *
21  * Contributor(s):
22  * Dmitriy Belov <bel@jresearch.org>
23  * .
24  * * ***** END LICENSE BLOCK ***** */
25 /*
26  * Created on 04.07.2004
27  *
28  */
29 package org.jresearch.gossip.actions.message.attachment;
30
31 import java.sql.SQLException JavaDoc;
32
33 import javax.servlet.http.HttpServletRequest JavaDoc;
34 import javax.servlet.http.HttpServletResponse JavaDoc;
35 import javax.servlet.http.HttpSession JavaDoc;
36
37 import org.apache.struts.action.Action;
38 import org.apache.struts.action.ActionForm;
39 import org.apache.struts.action.ActionForward;
40 import org.apache.struts.action.ActionMapping;
41 import org.jresearch.gossip.IConst;
42 import org.jresearch.gossip.beans.user.User;
43 import org.jresearch.gossip.dao.ForumDAO;
44 import org.jresearch.gossip.exception.SystemException;
45 import org.jresearch.gossip.forms.ProcessAttachForm;
46
47 /**
48  * @author Dmitry Belov
49  *
50  */
51 public class DeleteAttachmentAction extends Action {
52
53     /*
54      * (non-Javadoc)
55      *
56      * @see org.apache.struts.action.Action#execute(org.apache.struts.action.ActionMapping,
57      * org.apache.struts.action.ActionForm,
58      * javax.servlet.http.HttpServletRequest,
59      * javax.servlet.http.HttpServletResponse)
60      */
61     public ActionForward execute(ActionMapping mapping, ActionForm form,
62             HttpServletRequest JavaDoc request, HttpServletResponse JavaDoc response)
63             throws Exception JavaDoc {
64         HttpSession JavaDoc session = request.getSession();
65         User user = (User) session.getAttribute(IConst.SESSION.USER_KEY);
66         ForumDAO dao = ForumDAO.getInstance();
67         ProcessAttachForm paForm = (ProcessAttachForm) form;
68
69         try {
70             boolean isUserMod = dao.checkMod(Integer.parseInt(paForm.getFid()),
71                     user);
72             // check user access rights
73 getServlet().log("check user access rights ");
74             if (isUserMod) {
75                 dao.removeAttachment(Integer.parseInt(paForm.getId()));
76             } else {
77                 return (mapping.findForward(IConst.TOKEN.DENIED));
78             }
79
80         } catch (NumberFormatException JavaDoc e) {
81             throw new SystemException(e);
82         } catch (SQLException JavaDoc e) {
83             throw new SystemException(e);
84         }
85         StringBuffer JavaDoc forward = new StringBuffer JavaDoc();
86         forward.append("/ShowMessage.do?fid=");
87         forward.append(paForm.getFid());
88         forward.append("&tid=");
89         forward.append(paForm.getTid());
90         forward.append("&mid=");
91         forward.append(paForm.getMid());
92         return (new ActionForward(forward.toString(), true));
93     }
94 }
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