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Java > Open Source Codes > org > blojsom > plugin > admin > ListWebAdminPluginsPlugin


1 /**
2  * Copyright (c) 2003-2006, David A. Czarnecki
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are met:
7  *
8  * Redistributions of source code must retain the above copyright notice, this list of conditions and the
9  * following disclaimer.
10  * Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the
11  * following disclaimer in the documentation and/or other materials provided with the distribution.
12  * Neither the name of "David A. Czarnecki" and "blojsom" nor the names of its contributors may be used to
13  * endorse or promote products derived from this software without specific prior written permission.
14  * Products derived from this software may not be called "blojsom", nor may "blojsom" appear in their name,
15  * without prior written permission of David A. Czarnecki.
16  *
17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
18  * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
19  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
20  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
21  * EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE
22  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
23  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
24  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
26  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
27  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
29  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30  */
31 package org.blojsom.plugin.admin;
32
33 import org.apache.commons.logging.Log;
34 import org.apache.commons.logging.LogFactory;
35 import org.blojsom.blog.Blog;
36 import org.blojsom.blog.Entry;
37 import org.blojsom.plugin.PluginException;
38 import org.blojsom.util.BlojsomConstants;
39 import org.blojsom.util.BlojsomUtils;
40 import org.springframework.context.ApplicationContext;
41
42 import javax.servlet.http.HttpServletRequest JavaDoc;
43 import javax.servlet.http.HttpServletResponse JavaDoc;
44 import java.util.HashMap JavaDoc;
45 import java.util.Map JavaDoc;
46 import java.util.TreeMap JavaDoc;
47
48 /**
49  * List Web Admin Plugins Plugin
50  *
51  * @author David Czarnecki
52  * @version $Id: ListWebAdminPluginsPlugin.java,v 1.1 2006/03/20 21:30:44 czarneckid Exp $
53  * @since blojsom 3.0
54  */
55 public class ListWebAdminPluginsPlugin extends BaseAdminPlugin {
56
57     private static Log _logger = LogFactory.getLog(ListWebAdminPluginsPlugin.class);
58
59     private static final String JavaDoc BLOJSOM_PLUGIN_WEB_ADMIN_PLUGINS_LIST = "BLOJSOM_PLUGIN_WEB_ADMIN_PLUGINS_LIST";
60     private static final String JavaDoc LIST_WEB_ADMIN_PLUGINS_PAGE = "/org/blojsom/plugin/admin/templates/admin-list-web-admin-plugins";
61
62     /**
63      * Default constructor
64      */
65     public ListWebAdminPluginsPlugin() {
66     }
67
68     /**
69      * Process the blog entries
70      *
71      * @param httpServletRequest Request
72      * @param httpServletResponse Response
73      * @param blog {@link Blog} instance
74      * @param context Context
75      * @param entries Blog entries retrieved for the particular request
76      * @return Modified set of blog entries
77      * @throws PluginException If there is an error processing the blog entries
78      */
79     public Entry[] process(HttpServletRequest JavaDoc httpServletRequest, HttpServletResponse JavaDoc httpServletResponse, Blog blog, Map JavaDoc context, Entry[] entries) throws PluginException {
80         entries = super.process(httpServletRequest, httpServletResponse, blog, context, entries);
81
82         String JavaDoc page = BlojsomUtils.getRequestValue(BlojsomConstants.PAGE_PARAM, httpServletRequest);
83
84         if (ADMIN_LOGIN_PAGE.equals(page)) {
85             return entries;
86         } else {
87             Map JavaDoc plugins = new HashMap JavaDoc();
88             ApplicationContext applicationContext = (ApplicationContext) _servletConfig.getServletContext().getAttribute(BlojsomConstants.BLOJSOM_APPLICATION_CONTEXT);
89             if (applicationContext != null) {
90                 plugins = new TreeMap JavaDoc(applicationContext.getBeansOfType(WebAdminPlugin.class));
91             }
92
93             httpServletRequest.setAttribute(BlojsomConstants.PAGE_PARAM, LIST_WEB_ADMIN_PLUGINS_PAGE);
94             context.put(BLOJSOM_PLUGIN_WEB_ADMIN_PLUGINS_LIST, plugins);
95         }
96
97         return entries;
98     }
99 }
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