code: public String getReadable( Node node ) {
          if (node == null) return "";
          try {
              return node.getPath();
          } catch (RepositoryException err) {
              return node.toString();
          }
      }
docs: Get the readable string form for a specified node.
  
  @param node the node to obtain the readable string form. may be null
  @return the readable string form for a specified node.