code: public Node findOrCreateNode( Session session,
                                    String path,
                                    String nodeType ) throws RepositoryException {
          return findOrCreateNode(session, path, nodeType, nodeType);
      }
docs: Get or create a node at the specified path and node type.
  
  @param session the JCR session. may not be null
  @param path the path of the desired node to be found or created. may not be null
  @param nodeType the node type. may be null
  @return the existing or newly created node
  @throws RepositoryException
  @throws IllegalArgumentException if either the session or path argument is null