code: @SuppressWarnings("unchecked")
  	public List<Object> listDocumentsInHierarchy() throws Exception
  	{
      	Vector<?> args = CollectionUtil.toVector( username , password, CollectionUtil.toVector(getRepositoryName()));
          XmlRpcClient xmlrpc = getXmlRpcClient();
          return (Vector<Object>)xmlrpc.execute( new XmlRpcRequest( handler + ".getSpecificationHierarchy", args ) );
  	}
docs: <p>listDocumentsInHierarchy.</p>
  
  @return a {@link java.util.List} object.
  @throws java.lang.Exception if any.