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


1 /*
2  * $Id: LinkExecAction.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 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.FormError;
42 import com.j2biz.blogunity.web.FormErrorList;
43 import com.j2biz.blogunity.web.IActionResult;
44
45 /**
46  * @author michelson
47  * @version $$
48  * @since 0.1
49  *
50  *
51  */
52 public class LinkExecAction extends MyAbstractAction {
53
54     private static final IActionResult LINK_FORM_FORWARD = ActionResultFactory
55             .buildForward("/jsp/my/blogLinkForm.jsp");
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 linkId = request.getParameter("linkId");
67         String JavaDoc blogId = request.getParameter("blogId");
68         String JavaDoc name = request.getParameter("name");
69         String JavaDoc url = request.getParameter("url");
70
71         FormErrorList errors = new FormErrorList();
72         BlogDAO blogDAO = new BlogDAO();
73         LinkDAO linkDAO = new LinkDAO();
74         
75         if (StringUtils.isEmpty(name)) errors.add(new FormError("name", "Name can not be empty!"));
76
77         if (StringUtils.isEmpty(url)) errors.add(new FormError("url", "Url can not be empty!"));
78
79         Link link;
80         if (StringUtils.isNotEmpty(linkId)) {
81             link = linkDAO.getLinkByID(Long.parseLong(linkId));
82         } else {
83             link = new Link();
84         }
85
86         if (StringUtils.isNotEmpty(name)) link.setName(name);
87         if (StringUtils.isNotEmpty(url)) link.setUrl(url);
88
89         request.setAttribute("link", link);
90
91         if (errors.size() > 0) {
92             request.setAttribute("errors", errors);
93             request.setAttribute("blogId", blogId);
94             return LINK_FORM_FORWARD;
95         }
96
97         Blog b = blogDAO.getBlogByID(Long.parseLong(blogId));
98
99         if (user.getId().longValue() != b.getFounder().getId().longValue()&& !user.isAdministrator())
100                 throw new BlogunityException(I18NStatusFactory
101                         .create(I18N.ERRORS.USER_NOT_AUTHORIZED_FOR_EXECUTION));
102
103         link.setBlog(b);
104
105         if (StringUtils.isEmpty(linkId)) {
106             link.setOrder(b.getMaximalLinkOrder() + 1);
107             linkDAO.createLink(link);
108         } else
109             linkDAO.updateLink(link);
110
111         // now update blog
112 if (!b.containsLink(link)) {
113             b.addLink(link);
114             blogDAO.updateBlog(b);
115         }
116 //
117 // IActionResult BLOG_EDIT_REDIRECT = ActionResultFactory.buildRedirect("/my/editBlogForm?id="
118 // + b.getId());
119 //
120 // return BLOG_EDIT_REDIRECT;
121
122         navigationStack.pop();
123         return navigationStack.peek();
124         
125     }
126 }
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