1   package net.sourceforge.blogentis.plugins.impl;
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25  import java.util.ArrayList;
26  import java.util.Iterator;
27  import java.util.List;
28  
29  import net.sourceforge.blogentis.om.Blog;
30  import net.sourceforge.blogentis.plugins.AbstractBlogExtensionPoint;
31  import net.sourceforge.blogentis.plugins.IPlugin;
32  import net.sourceforge.blogentis.plugins.base.ILinkTo;
33  import net.sourceforge.blogentis.plugins.base.INavigationExtension;
34  import net.sourceforge.blogentis.plugins.base.INavigationExtensionPoint;
35  import net.sourceforge.blogentis.turbine.BlogRunData;
36  
37  /***
38   * The implementation of the INavigationExtensionPoint.
39   * 
40   * @author abas
41   */
42  public class NavigationExtensionPointImpl
43          extends AbstractBlogExtensionPoint
44          implements INavigationExtensionPoint {
45  
46      public NavigationExtensionPointImpl(IPlugin plugin, Blog blog) {
47          super(plugin, blog);
48      }
49  
50      public String getName() {
51          return "Navigation Extension Point";
52      }
53  
54      public Class getExtensionClass() {
55          return INavigationExtension.class;
56      }
57  
58      public List buildNavigationList(BlogRunData data, String navName) {
59          List l = new ArrayList(10);
60          for(Iterator i = extensions.iterator(); i.hasNext();) {
61              INavigationExtension ine = (INavigationExtension)i.next();
62              ine.addNavigations(data, navName, l);
63          }
64          List r = new ArrayList(l.size());
65          for(Iterator i = l.iterator(); i.hasNext();) {
66              ILinkTo link = (ILinkTo)i.next();
67              if (link.isAuthorized(data))
68                  r.add(link);
69          }
70          return r;
71      }
72  }