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


1 /*
2  * $Id: DeleteGlobalCategoryExecAction.java,v 1.4 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 java.util.Iterator JavaDoc;
29
30 import javax.servlet.http.HttpServletRequest JavaDoc;
31 import javax.servlet.http.HttpServletResponse JavaDoc;
32
33 import com.j2biz.blogunity.dao.BlogDAO;
34 import com.j2biz.blogunity.dao.CategoryDAO;
35 import com.j2biz.blogunity.dao.EntryDAO;
36 import com.j2biz.blogunity.exception.BlogunityException;
37 import com.j2biz.blogunity.i18n.I18N;
38 import com.j2biz.blogunity.i18n.I18NStatusFactory;
39 import com.j2biz.blogunity.pojo.Blog;
40 import com.j2biz.blogunity.pojo.Category;
41 import com.j2biz.blogunity.pojo.Entry;
42 import com.j2biz.blogunity.web.ActionResultFactory;
43 import com.j2biz.blogunity.web.IActionResult;
44
45 /**
46  * @author michelson
47  * @version $$
48  * @since 0.1
49  *
50  *
51  */
52 public class DeleteGlobalCategoryExecAction extends MyAbstractAction {
53
54     private static final IActionResult CATEGORIES_LIST_REDIRECT = ActionResultFactory
55             .buildRedirect("/my/listGlobalCategories");
56
57     /*
58      * (non-Javadoc)
59      *
60      * @see com.j2biz.blogunity.web.actions.AbstractAction#execute(javax.servlet.http.HttpServletRequest,
61      * javax.servlet.http.HttpServletResponse)
62      */
63     public IActionResult execute(HttpServletRequest JavaDoc request, HttpServletResponse JavaDoc response)
64             throws BlogunityException{
65
66         String JavaDoc id = request.getParameter("id");
67
68         if (!user.isAdministrator())
69             throw new BlogunityException(I18NStatusFactory
70                     .create(I18N.ERRORS.USER_NOT_AUTHORIZED_FOR_EXECUTION));
71
72         CategoryDAO categoryDAO = new CategoryDAO();
73         BlogDAO blogDAO = new BlogDAO();
74         EntryDAO entryDAO = new EntryDAO();
75         
76         Category cat = categoryDAO.getCategoryByID(Long.parseLong(id));
77
78         // FIXME optimize this code!
79 Iterator JavaDoc it = cat.getBlogs().iterator();
80         while (it.hasNext()) {
81             Blog b = (Blog) it.next();
82             b.getCategories().remove(cat);
83             blogDAO.updateBlog(b);
84         }
85
86         // FIXME optimize this code!
87 for (Iterator JavaDoc i = cat.getEntries().iterator(); i.hasNext();) {
88             Entry e = (Entry) i.next();
89             e.getCategories().remove(cat);
90             entryDAO.updateEntry(e);
91         }
92
93         categoryDAO.deleteCategory(cat);
94
95         navigationStack.pop();
96         return CATEGORIES_LIST_REDIRECT;
97     }
98
99 }
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