code: @GET
     public Response getRootNodeList(final @Context UriInfo uriInfo, final @QueryParam("view") String view,
        final @QueryParam("gadget") String gadget)
     {
        return getResource("", uriInfo, view, gadget);
     }
docs: Browsing of root node of Maven repository.
  
  @param uriInfo
  @param view
  @param gadget
  @return {@link Response}.