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


1 /*
2  * $Id: EditThemeFileFormAction.java,v 1.10 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.io.BufferedReader JavaDoc;
29 import java.io.File JavaDoc;
30 import java.io.FileReader JavaDoc;
31
32 import javax.servlet.http.HttpServletRequest JavaDoc;
33 import javax.servlet.http.HttpServletResponse JavaDoc;
34
35 import org.apache.commons.lang.StringUtils;
36
37 import com.j2biz.blogunity.BlogunityManager;
38 import com.j2biz.blogunity.dao.BlogDAO;
39 import com.j2biz.blogunity.exception.BlogunityException;
40 import com.j2biz.blogunity.i18n.I18N;
41 import com.j2biz.blogunity.i18n.I18NStatusFactory;
42 import com.j2biz.blogunity.pojo.Blog;
43 import com.j2biz.blogunity.web.ActionResultFactory;
44 import com.j2biz.blogunity.web.IActionResult;
45
46 /**
47  * @author michelson
48  * @version $$
49  * @since 0.1
50  *
51  *
52  */
53 public class EditThemeFileFormAction extends MyAbstractAction {
54
55     private static final IActionResult THEME_FILE_FORM_FORWARD = ActionResultFactory
56             .buildForward("/jsp/my/editThemeFileForm.jsp");
57
58     /*
59      * (non-Javadoc)
60      *
61      * @see com.j2biz.blogunity.web.actions.AbstractAction#execute(javax.servlet.http.HttpServletRequest,
62      * javax.servlet.http.HttpServletResponse)
63      */
64     public IActionResult execute(HttpServletRequest JavaDoc request, HttpServletResponse JavaDoc response)
65             throws BlogunityException {
66
67         if (!(BlogunityManager.getSystemConfiguration().isThemeEditingAllowed() || user
68                 .isAdministrator())) { throw new BlogunityException(I18NStatusFactory
69                 .create(I18N.ERRORS.THEME_EDITING_NOT_ALLOWED)); }
70
71         String JavaDoc blogId = request.getParameter("id");
72         String JavaDoc fileName = request.getParameter("file");
73
74         if (StringUtils.isEmpty(blogId)) { throw new BlogunityException(I18NStatusFactory.create(
75                 I18N.ERRORS.ID_NOT_SETTED, "Blog"));
76
77         }
78
79         if (StringUtils.isEmpty(fileName)) { throw new BlogunityException(I18NStatusFactory
80                 .create(I18N.ERRORS.THEME_FILE_NOT_SETTED)); }
81
82         if (!(fileName.endsWith(".vm") || fileName.endsWith(".css"))) { throw new BlogunityException(
83                 I18NStatusFactory.create(I18N.ERRORS.THEME_FILE_READ_ERROR, fileName)); }
84
85         Blog blog = (new BlogDAO()).getBlogByID(new Long JavaDoc(blogId));
86
87         // BUGFIX [BGU-18]
88 if (user.getId().longValue() != blog.getFounder().getId().longValue()
89                 && !user.isAdministrator()) { throw new BlogunityException(I18NStatusFactory
90                 .create(I18N.ERRORS.USER_NOT_AUTHORIZED_FOR_EXECUTION)); }
91
92         File JavaDoc blogsDir = BlogunityManager.getSystemConfiguration().getBlogsDirectory();
93         File JavaDoc themeFile = new File JavaDoc(blogsDir, blog.getUrlName() + "/theme/" + fileName);
94
95         if (!themeFile.exists() || !themeFile.isFile() || !themeFile.canRead()
96                 || !themeFile.canWrite()) { throw new BlogunityException(I18NStatusFactory.create(
97                 I18N.ERRORS.THEME_FILE_READ_ERROR, themeFile.getAbsolutePath())); }
98
99         StringBuffer JavaDoc themeFileContent = new StringBuffer JavaDoc();
100         try {
101             String JavaDoc line = null;
102             BufferedReader JavaDoc reader = new BufferedReader JavaDoc(new FileReader JavaDoc(themeFile));
103             while ((line = reader.readLine()) != null) {
104                 line = line.replaceAll("<", "&lt;");
105                 line = line.replaceAll(">", "&gt;");
106                 themeFileContent.append(line);
107                 themeFileContent.append("\n");
108             }
109             reader.close();
110
111         } catch (Exception JavaDoc e) {
112             throw new BlogunityException(I18NStatusFactory.create(
113                     I18N.ERRORS.THEME_FILE_READ_ERROR, themeFile.getAbsolutePath(), e));
114
115         }
116
117         request.setAttribute("blog", blog);
118         request.setAttribute("themeFile", themeFile);
119         request.setAttribute("themeFileContent", themeFileContent.toString());
120
121         navigationStack.push(ActionResultFactory.buildRedirect(I18N.MESSAGES.NAVI_EDIT_THEME_FILE,
122                 currentActionPath));
123
124         return THEME_FILE_FORM_FORWARD;
125     }
126 }
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