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Java > Open Source Codes > com > j2biz > blogunity > web > actions > my > EditCommentFormAction


1 /*
2  * $Id: EditCommentFormAction.java,v 1.5 2005/01/17 21:35:45 michelson Exp $
3  *
4  * Copyright (c) 2004 j2biz Group, http://www.j2biz.com
5  * Koeln / Duesseldorf , Germany
6  *
7  * @author Max Kalina
8  *
9  *
10  * This program is free software; you can redistribute it and/or modify
11  * it under the terms of the GNU General Public License as published by
12  * the Free Software Foundation; either version 2 of the License, or
13  * (at your option) any later version.
14  *
15  * This program is distributed in the hope that it will be useful,
16  * but WITHOUT ANY WARRANTY; without even the implied warranty of
17  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18  * GNU General Public License for more details.
19  *
20  * You should have received a copy of the GNU General Public License
21  * along with this program; if not, write to the Free Software
22  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23  *
24  */
25
26 package com.j2biz.blogunity.web.actions.my;
27
28 import javax.servlet.http.HttpServletRequest JavaDoc;
29 import javax.servlet.http.HttpServletResponse JavaDoc;
30
31 import org.apache.commons.lang.StringUtils;
32
33 import com.j2biz.blogunity.dao.CommentDAO;
34 import com.j2biz.blogunity.exception.BlogunityException;
35 import com.j2biz.blogunity.i18n.I18N;
36 import com.j2biz.blogunity.i18n.I18NStatusFactory;
37 import com.j2biz.blogunity.pojo.Comment;
38 import com.j2biz.blogunity.web.ActionResultFactory;
39 import com.j2biz.blogunity.web.IActionResult;
40
41 /**
42  * @author michelson
43  * @version $$
44  * @since 0.1
45  *
46  *
47  */
48 public class EditCommentFormAction extends MyAbstractAction {
49
50     private static final IActionResult COMMENT_FORM_FORWARD = ActionResultFactory
51             .buildForward("/jsp/my/editCommentForm.jsp");
52
53     /*
54      * (non-Javadoc)
55      *
56      * @see com.j2biz.blogunity.web.actions.AbstractAction#execute(javax.servlet.http.HttpServletRequest,
57      * javax.servlet.http.HttpServletResponse)
58      */
59     public IActionResult execute(HttpServletRequest JavaDoc request, HttpServletResponse JavaDoc response)
60             throws BlogunityException {
61
62         String JavaDoc id = request.getParameter("id");
63         if (StringUtils.isEmpty(id)) {
64             // try to find id in request
65 id = (String JavaDoc) request.getAttribute("id");
66             if (StringUtils.isEmpty(id)) { throw new BlogunityException(I18NStatusFactory.create(
67                     I18N.ERRORS.ID_NOT_SETTED, "Comment")); }
68
69         }
70
71         CommentDAO dao = new CommentDAO();
72         Comment comment = dao.getCommentByID(Long.parseLong(id));
73
74         /*
75          * edit comment is allow only, if: 1. current user is the system
76          * administrator 2. current user is the author of the comment 3. current
77          * user is the author of the commented entry 4. current user is the
78          * founder of the commented entry's blog
79          *
80          */
81
82         if (!(user.isAdministrator() // 1
83 || comment.getAuthor().getId().longValue() == user.getId().longValue() //2
84 || comment.getCommentedEntry().getAuthor().getId().longValue() == user.getId()
85                         .longValue() //3
86 || comment.getCommentedEntry().getBlog().getFounder().getId().longValue() == user.getId()
87                 .longValue() //4
88
89         )) { throw new BlogunityException(I18NStatusFactory
90                 .create(I18N.ERRORS.USER_NOT_AUTHORIZED_FOR_EXECUTION)); }
91
92         request.setAttribute("requestedComment", comment);
93
94         navigationStack.push(ActionResultFactory.buildRedirect(I18N.MESSAGES.NAVI_EDIT_COMMENT,
95                 currentActionPath));
96
97         return COMMENT_FORM_FORWARD;
98     }
99
100 }
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