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


1 /*
2  * $Id: LinkDeleteAction.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.BlogDAO;
34 import com.j2biz.blogunity.dao.LinkDAO;
35 import com.j2biz.blogunity.exception.BlogunityException;
36 import com.j2biz.blogunity.i18n.I18N;
37 import com.j2biz.blogunity.i18n.I18NStatusFactory;
38 import com.j2biz.blogunity.pojo.Blog;
39 import com.j2biz.blogunity.pojo.Link;
40 import com.j2biz.blogunity.web.ActionResultFactory;
41 import com.j2biz.blogunity.web.IActionResult;
42
43 /**
44  * @author michelson
45  * @version $$
46  * @since 0.1
47  *
48  *
49  */
50 public class LinkDeleteAction extends MyAbstractAction {
51
52     private static final IActionResult LINK_FORM_FORWARD = ActionResultFactory
53             .buildForward("/jsp/my/blogCategoryForm.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         String JavaDoc linkId = request.getParameter("linkId");
65         String JavaDoc blogId = request.getParameter("blogId");
66
67         BlogDAO blogDAO = new BlogDAO();
68         LinkDAO linkDAO = new LinkDAO();
69
70         Blog b;
71         if (StringUtils.isNotEmpty(blogId)) {
72             b = blogDAO.getBlogByID(Long.parseLong(blogId));
73         } else {
74             throw new BlogunityException(I18NStatusFactory
75                     .create(I18N.ERRORS.ID_NOT_SETTED, "Blog"));
76         }
77
78         if (user.getId().longValue() != b.getFounder().getId().longValue()
79                 && !user.isAdministrator())
80                 throw new BlogunityException(I18NStatusFactory
81                         .create(I18N.ERRORS.USER_NOT_AUTHORIZED_FOR_EXECUTION));
82
83         Link c;
84         if (StringUtils.isNotEmpty(linkId)) {
85             c = linkDAO.getLinkByID(Long.parseLong(linkId));
86         } else {
87             throw new BlogunityException(I18NStatusFactory
88                     .create(I18N.ERRORS.ID_NOT_SETTED, "Link"));
89         }
90
91         // remove bidirectional association
92 b.getLinks().remove(c);
93
94         blogDAO.updateBlog(b);
95         linkDAO.deleteLink(c);
96
97         IActionResult BLOG_EDIT_REDIRECT = ActionResultFactory.buildRedirect("/my/editBlogForm?id="
98                 + b.getId());
99
100         return BLOG_EDIT_REDIRECT;
101     }
102
103 }
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