if (baseSig.length() == 0) return null;
 		public JavaClass getJavaClass() throws ClassNotFoundException { 			String baseSig; 			 			if (isPrimitive()) 				return null; 				 			if (isArray()) { 				String[] tokens = signature.split("["); 				baseSig = tokens[0]; 			} else { 				baseSig = signature; 			} 			 			return Repository.lookupClass(baseSig); 		}