public List getCategories() { List concepts = null; try { // GetReturnType request = new GetReturnType(); // request.setType("limited"); GetCategoriesType request = new GetCategoriesType(); request.setType("core"); request.setHiddens(false); request.setSynonyms(false); OntologyResponseMessage msg = new OntologyResponseMessage(); StatusType procStatus = null; while (procStatus == null || !procStatus.getType().equals("DONE")) { String response = OntServiceDriver.getCategories(request, "FIND"); procStatus = msg.processResult(response); // if other error codes // TABLE_ACCESS_DENIED and USER_INVALID, DATABASE ERROR if (procStatus.getType().equals("ERROR")) { System.setProperty("errorMessage", procStatus.getValue()); return concepts; } procStatus.setType("DONE"); } ConceptsType allConcepts = msg.doReadConcepts(); if (allConcepts != null) concepts = allConcepts.getConcept(); } catch (AxisFault e) { log.error(e.getMessage()); System.setProperty("errorMessage", "Ontology cell unavailable"); } catch (I2B2Exception e) { log.error(e.getMessage()); System.setProperty("errorMessage", e.getMessage()); } catch (Exception e) { log.error(e.getMessage()); System.setProperty("errorMessage", "Remote server unavailable"); } return concepts; }