code: private Xml getNodeDefault(String... path)
      {
          Xml node = root;
          for (final String element : path)
          {
              if (!node.hasChild(element))
              {
                  return null;
              }
              node = node.getChild(element);
          }
          return node;
      }
docs: Get the node at the following path.
  
  @param path The node path.
  @return The node found, <code>null</code> if none.