gistfile1.txt

   private void save(NavigationNodeContainerData src, Navigation dst)
   {
      if (src instanceof NavigationNodeData)
      {
         NavigationNodeData node = (NavigationNodeData)src;
         Workspace workspace = dst.getSite().getWorkspace();
         String reference = node.getPageReference();
         if (reference != null)
         {
            String[] pageChunks = split("::", reference);
            ObjectType<? extends Site> siteType = parseSiteType(pageChunks[0]);
            Site site = workspace.getSite(siteType, pageChunks[1]);
            org.gatein.mop.api.workspace.Page target = site.getRootPage().getChild("pages").getChild(pageChunks[2]);
            PageLink link = dst.linkTo(ObjectType.PAGE_LINK);
            link.setPage(target);
         }
         else
         {
            PageLink link = dst.linkTo(ObjectType.PAGE_LINK);
            link.setPage(null);
         }

         //
         Described described = dst.adapt(Described.class);
         described.setName(node.getLabel());
         if(!dst.getName().equals(((NavigationNodeData) src).getName()))
         {
            dst.setName(((NavigationNodeData) src).getName());
         }
         //
         Visible visible = dst.adapt(Visible.class);
         visible.setVisibility(node.getVisibility());
         visible.setStartPublicationDate(node.getStartPublicationDate());
         visible.setEndPublicationDate(node.getEndPublicationDate());

         //
         Attributes attrs = dst.getAttributes();
         attrs.setValue(MappedAttributes.URI, node.getURI());
         attrs.setValue(MappedAttributes.ICON, node.getIcon());
      }
      else if (src instanceof NavigationData)
      {
         NavigationData pageNav = (NavigationData)src;

         //
         Attributes attrs = dst.getAttributes();
         attrs.setValue(MappedAttributes.PRIORITY, pageNav.getPriority());
      }
      else
      {
         throw new AssertionError();
      }

      //
      final List<String> orders = new ArrayList<String>();
      Set<String> savedSet = new HashSet<String>();
      for (NavigationNodeData node : src.getNodes())
      {
         String srcId = node.getStorageId();
         Navigation dstChild;
         if (srcId != null)
         {
            dstChild = session.findObjectById(ObjectType.NAVIGATION, srcId);
         }
         else
         {
            dstChild = dst.getChild(node.getName());
            if (dstChild == null)
            {
               dstChild = dst.addChild(node.getName());
            }
            srcId = dstChild.getObjectId();
         }
         save(node, dstChild);
         savedSet.add(srcId);
         orders.add(dstChild.getObjectId());
      }
      for (Iterator<? extends Navigation> i = dst.getChildren().iterator(); i.hasNext();)
      {
         Navigation dstChild = i.next();
         if (!savedSet.contains(dstChild.getObjectId()))
         {
            Visible visible = dstChild.adapt(Visible.class);
            if (visible.getVisibility() != Visibility.SYSTEM)
            {
               i.remove();
            }
         }
      }
      // Now sort children according to the order provided by the container
      // need to replace that with Collections.sort once the set(int index, E element) is implemented in Chromattic lists
      Navigation[] a = dst.getChildren().toArray(new Navigation[dst.getChildren().size()]);
      Arrays.sort(a, new Comparator<Navigation>()
      {
         public int compare(Navigation o1, Navigation o2)
         {
            int i1 = orders.indexOf(o1.getObjectId());
            int i2 = orders.indexOf(o2.getObjectId());
            return i1 - i2;
         }
      });
      for (int j = 0; j < a.length; j++)
      {
         dst.getChildren().add(j, a[j]);
      }
   }