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


1 /*
2  * $Id: EditCommentExecAction.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.util.RenderUtils;
39 import com.j2biz.blogunity.web.ActionResultFactory;
40 import com.j2biz.blogunity.web.FormError;
41 import com.j2biz.blogunity.web.FormErrorList;
42 import com.j2biz.blogunity.web.IActionResult;
43
44 /**
45  * @author michelson
46  * @version $$
47  * @since 0.1
48  *
49  *
50  */
51 public class EditCommentExecAction extends MyAbstractAction {
52
53     private static final IActionResult COMMENT_FORM_FORWARD = ActionResultFactory.buildForward("/jsp/my/editCommentForm.jsp");
54
55     /*
56      * (non-Javadoc)
57      *
58      * @see com.j2biz.blogunity.web.actions.AbstractAction#execute(javax.servlet.http.HttpServletRequest,
59      * javax.servlet.http.HttpServletResponse)
60      */
61     public IActionResult execute(HttpServletRequest JavaDoc request, HttpServletResponse JavaDoc response)
62             throws BlogunityException{
63
64       
65         String JavaDoc commentId = request.getParameter("id");
66         if (StringUtils.isEmpty(commentId)) {
67             throw new BlogunityException(I18NStatusFactory
68                     .create(I18N.ERRORS.ID_NOT_SETTED, "Comment"));}
69
70         FormErrorList errors = new FormErrorList();
71         
72         CommentDAO dao = new CommentDAO();
73         
74         Comment comment = dao.getCommentByID(Long.parseLong(commentId));
75         /*
76          * edit comment is allow only, if:
77          * 1. current user is the system administrator
78          * 2. current user is the author of the comment
79          * 3. current user is the author of the commented entry
80          * 4. current user is the founder of the commented entry's blog
81          *
82          */
83
84         if (!(user.isAdministrator() // 1
85 || comment.getAuthor().getId().longValue() == user.getId().longValue() //2
86 || comment.getCommentedEntry().getAuthor().getId().longValue() == user.getId()
87                         .longValue() //3
88 || comment.getCommentedEntry().getBlog().getFounder().getId().longValue() == user.getId()
89                 .longValue() //4
90
91         )){
92             throw new BlogunityException(I18NStatusFactory
93                     .create(I18N.ERRORS.USER_NOT_AUTHORIZED_FOR_EXECUTION));
94         }
95         
96
97         String JavaDoc title = request.getParameter("title");
98         if (title == null || title.trim().length() == 0) {
99             errors.add(new FormError("title", "Comment title is not specified!"));
100         }
101
102         if (errors.size() > 0) {
103             request.setAttribute("errors", errors);
104             request.setAttribute("requestedComment", comment);
105             return COMMENT_FORM_FORWARD;
106         }
107         
108         String JavaDoc commentBody = request.getParameter("comment");
109         
110         comment.setRawTitle(title);
111         comment.setRawBody(commentBody);
112         comment.setTitle(RenderUtils.renderText(title));
113         comment.setBody(RenderUtils.renderText(commentBody));
114         
115         dao.updateComment(comment);
116         
117         navigationStack.pop();
118         return navigationStack.peek();
119         
120
121     }
122
123 }
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