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1   package net.sourceforge.blogentis.rss;
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: RSSVersionFactory.java,v 1.1 2004/10/22 17:34:17 tassos Exp $
23  //
24  
25  import java.util.Hashtable;
26  
27  /***
28   * A factory for RSSVersion objects.
29   * 
30   * @author abas
31   */
32  public class RSSVersionFactory {
33      public static final String RDF_VERSION_091 = "0.91";
34  
35      public static final String RDF_VERSION_092 = "0.92";
36  
37      public static final String RDF_VERSION_10 = "1.0";
38  
39      public static final String RDF_VERSION_20 = "2.0";
40  
41      static Hashtable rssVersions = null;
42  
43      static {
44          RSSVersion rss = new RSSVersion("RSS", "RSS20.vm", "2.0");
45          RSSVersion rdf = new RSSVersion("RDF", "RSS10.vm", "rdf");
46          rssVersions = new Hashtable();
47          rssVersions.put(rss.getVersion(), rss);
48          rssVersions.put(rdf.getVersion(), rdf);
49      }
50  
51      /* Private constructor, as the factory is not instantiatable */
52      private RSSVersionFactory() {}
53  
54      /***
55       * Retrieve the appropriate object for the specified version.
56       * 
57       * @param version
58       *            the version for which you want the corresponding RSSVersion.
59       * @return the RSSVersion corresponding to the version specified.
60       */
61      public static RSSVersion getVersionFor(String version) {
62          return (RSSVersion)rssVersions.get(version);
63      }
64  }