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


1 /*
2  * $Id: OverwriteBlogThemeExecAction.java,v 1.4 2005/01/17 21:35:44 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.io.File JavaDoc;
29
30 import javax.servlet.http.HttpServletRequest JavaDoc;
31 import javax.servlet.http.HttpServletResponse JavaDoc;
32
33 import org.apache.commons.lang.StringUtils;
34
35 import com.j2biz.blogunity.BlogunityManager;
36 import com.j2biz.blogunity.IConstants;
37 import com.j2biz.blogunity.dao.BlogDAO;
38 import com.j2biz.blogunity.exception.BlogunityException;
39 import com.j2biz.blogunity.i18n.I18N;
40 import com.j2biz.blogunity.i18n.I18NStatusFactory;
41 import com.j2biz.blogunity.pojo.Blog;
42 import com.j2biz.blogunity.pojo.SystemConfiguration;
43 import com.j2biz.blogunity.util.ResourceUtils;
44 import com.j2biz.blogunity.web.IActionResult;
45
46 /**
47  *
48  * @author michelson
49  * @version $$
50  * @since 0.1
51  *
52  *
53  */
54 public class OverwriteBlogThemeExecAction extends MyAbstractAction {
55
56     /*
57      * (non-Javadoc)
58      *
59      * @see com.j2biz.blogunity.web.actions.AbstractAction#execute(javax.servlet.http.HttpServletRequest,
60      * javax.servlet.http.HttpServletResponse)
61      */
62     public IActionResult execute(HttpServletRequest JavaDoc request, HttpServletResponse JavaDoc response)
63             throws BlogunityException {
64
65         String JavaDoc blogId = request.getParameter("id");
66         if (StringUtils.isEmpty(blogId)) { throw new BlogunityException(I18NStatusFactory.create(
67                 I18N.ERRORS.ID_NOT_SETTED, "blog")); }
68         String JavaDoc theme = request.getParameter("theme");
69
70         if (StringUtils.isEmpty(theme)) { throw new BlogunityException(I18NStatusFactory.create(
71                 I18N.ERRORS.NOT_FOUND, "theme")); }
72
73         Blog b = (new BlogDAO()).getBlogByID(Long.parseLong(blogId));
74
75         if (user.getId().longValue() != b.getFounder().getId().longValue()
76                 && !user.isAdministrator())
77                 throw new BlogunityException(I18NStatusFactory
78                         .create(I18N.ERRORS.USER_NOT_AUTHORIZED_FOR_EXECUTION));
79
80         File JavaDoc requestedThemeDir = new File JavaDoc(BlogunityManager
81                 .getRealPath(IConstants.BLOG_THEMES_DIRECTORY), theme);
82
83         if (!requestedThemeDir.exists() || !requestedThemeDir.canRead()
84                 || requestedThemeDir.list().length <= 0) { throw new BlogunityException(
85                 I18NStatusFactory.create(I18N.ERRORS.READ_DIRECTORY, requestedThemeDir
86                         .getAbsolutePath())); }
87
88         SystemConfiguration config = BlogunityManager.getSystemConfiguration();
89         File JavaDoc blogsDir = config.getBlogsDirectory();
90
91         // 1. first remove existing theme-directory
92 File JavaDoc oldThemeDir = new File JavaDoc(blogsDir, b.getUrlName() + "/theme");
93         ResourceUtils.removeDirectory(oldThemeDir);
94
95         // 2. now create empty theme-directory
96 boolean result = oldThemeDir.mkdir();
97         if (!result) { throw new BlogunityException(I18NStatusFactory.create(
98                 I18N.ERRORS.READ_DIRECTORY, oldThemeDir.getAbsolutePath())); }
99
100         // 3. and copy theme-files...
101 ResourceUtils.copyDirectory(requestedThemeDir, oldThemeDir);
102
103         navigationStack.pop();
104         return navigationStack.peek();
105
106     }
107 }
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