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1   package net.sourceforge.blogentis.modules.actions;
2   
3   //-----------------------------------------------------------------------
4   //Blogentis - a blog publishing platform.
5   //Copyright (C) 2004 Tassos Bassoukos <abassouk@gmail.com>
6   //
7   //This library is free software; you can redistribute it and/or
8   //modify it under the terms of the GNU Lesser General Public
9   //License as published by the Free Software Foundation; either
10  //version 2.1 of the License, or (at your option) any later version.
11  //
12  //This library is distributed in the hope that it will be useful,
13  //but WITHOUT ANY WARRANTY; without even the implied warranty of
14  //MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
15  //Lesser General Public License for more details.
16  //
17  //You should have received a copy of the GNU Lesser General Public
18  //License along with this library; if not, write to the Free Software
19  //Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20  //-----------------------------------------------------------------------
21  //
22  //$Id: BlogPluginMod.java,v 1.3 2004/10/31 07:16:22 tassos Exp $
23  //
24  
25  import java.util.Iterator;
26  import java.util.List;
27  
28  import net.sourceforge.blogentis.om.Blog;
29  import net.sourceforge.blogentis.plugins.BlogPluginService;
30  import net.sourceforge.blogentis.plugins.IPlugin;
31  import net.sourceforge.blogentis.plugins.base.BaseBlogPlugin;
32  import net.sourceforge.blogentis.turbine.BlogRunData;
33  import net.sourceforge.blogentis.turbine.SecureBlogAction;
34  import net.sourceforge.blogentis.utils.BlogConstants;
35  import net.sourceforge.blogentis.utils.MappedConfiguration;
36  
37  import org.apache.turbine.util.RunData;
38  import org.apache.velocity.context.Context;
39  
40  /***
41   * @author abas
42   */
43  public class BlogPluginMod
44          extends SecureBlogAction {
45  
46      protected String[] getPermissions() {
47          return new String[] {BlogConstants.PERM_ADMIN_BLOG};
48      }
49  
50      protected IPlugin getPlugin(RunData data) {
51          int p = data.getParameters().getInt("p", -1);
52          if (p == -1)
53              return null;
54          Iterator plugins = BlogPluginService.getPlugins();
55          for(; p > 0 && plugins.hasNext(); p--)
56              plugins.next();
57          if (!plugins.hasNext())
58              return null;
59          return (IPlugin)plugins.next();
60      }
61  
62      public void doPerform(RunData data, Context context)
63              throws Exception {
64          data.setMessage("Unknown plugin action specified in the request.");
65      }
66  
67      public void doEnable(RunData data, Context context)
68              throws Exception {
69          IPlugin plugin = getPlugin(data);
70          if (plugin == null)
71              return;
72          String name = plugin.getClass().getName();
73          Blog blog = ((BlogRunData)data).getBlog();
74          MappedConfiguration conf = blog.getConfiguration();
75          List list = conf.getList(BlogPluginService.PLUGIN_LIST, null);
76          if (list != null && list.contains(name))
77              return;
78          conf.addProperty(BlogPluginService.PLUGIN_LIST, name);
79          conf.save();
80          BlogPluginService.getInstance().reloadExtensionPointsForBlog(blog);
81      }
82  
83      public void doDisable(RunData data, Context context)
84              throws Exception {
85          IPlugin plugin = getPlugin(data);
86          if (plugin == null || plugin instanceof BaseBlogPlugin)
87              return;
88          String name = plugin.getClass().getName();
89          Blog blog = ((BlogRunData)data).getBlog();
90          MappedConfiguration conf = blog.getConfiguration();
91          List list = conf.getList(BlogPluginService.PLUGIN_LIST, null);
92          if (list != null && !list.contains(name))
93              return;
94          list.remove(name);
95          conf.setProperty(BlogPluginService.PLUGIN_LIST, list);
96          conf.save();
97          BlogPluginService.getInstance().reloadExtensionPointsForBlog(blog);
98      }
99  }