Examples with XMLReader org.hisp.staxwax.reader.XMLReader used on opensource projects

Example 1 with XMLReader

use of org.hisp.staxwax.reader.XMLReader in project dhis2-core by dhis2.

the class DefaultAdxDataService method saveDataValueSetInternal.

private ImportSummary saveDataValueSetInternal(InputStream in, ImportOptions importOptions, TaskId id) {
    notifier.clear(id).notify(id, "ADX parsing process started");
    ImportOptions adxImportOptions = ObjectUtils.firstNonNull(importOptions, ImportOptions.getDefaultImportOptions()).instance().setNotificationLevel(NotificationLevel.OFF);
    // Get import options
    IdScheme dataSetIdScheme = importOptions.getIdSchemes().getDataSetIdScheme();
    IdScheme dataElementIdScheme = importOptions.getIdSchemes().getDataElementIdScheme();
    // Create meta-data maps
    CachingMap<String, DataSet> dataSetMap = new CachingMap<>();
    CachingMap<String, DataElement> dataElementMap = new CachingMap<>();
    // Get meta-data maps
    IdentifiableObjectCallable<DataSet> dataSetCallable = new IdentifiableObjectCallable<>(identifiableObjectManager, DataSet.class, dataSetIdScheme, null);
    IdentifiableObjectCallable<DataElement> dataElementCallable = new IdentifiableObjectCallable<>(identifiableObjectManager, DataElement.class, dataElementIdScheme, null);
    // Heat cache
    if (importOptions.isPreheatCacheDefaultFalse()) {
        dataSetMap.load(identifiableObjectManager.getAll(DataSet.class), o -> o.getPropertyValue(dataSetIdScheme));
        dataElementMap.load(identifiableObjectManager.getAll(DataElement.class), o -> o.getPropertyValue(dataElementIdScheme));
    }
    XMLReader adxReader = XMLFactory.getXMLReader(in);
    ImportSummary importSummary;
    adxReader.moveToStartElement(AdxDataService.ROOT, AdxDataService.NAMESPACE);
    ExecutorService executor = Executors.newSingleThreadExecutor();
    // Give the DXF import a different notification task ID so it doesn't conflict with notifications from this level.
    TaskId dxfTaskId = new TaskId(TaskCategory.DATAVALUE_IMPORT_INTERNAL, id.getUser());
    int groupCount = 0;
    try (PipedOutputStream pipeOut = new PipedOutputStream()) {
        Future<ImportSummary> futureImportSummary = executor.submit(new AdxPipedImporter(dataValueSetService, adxImportOptions, dxfTaskId, pipeOut, sessionFactory));
        XMLOutputFactory factory = XMLOutputFactory.newInstance();
        XMLStreamWriter dxfWriter = factory.createXMLStreamWriter(pipeOut);
        List<ImportConflict> adxConflicts = new LinkedList<>();
        dxfWriter.writeStartDocument("1.0");
        dxfWriter.writeStartElement("dataValueSet");
        dxfWriter.writeDefaultNamespace("http://dhis2.org/schema/dxf/2.0");
        notifier.notify(id, "Starting to import ADX data groups.");
        while (adxReader.moveToStartElement(AdxDataService.GROUP, AdxDataService.NAMESPACE)) {
            notifier.update(id, "Importing ADX data group: " + groupCount);
            // note this returns conflicts which are detected at ADX level
            adxConflicts.addAll(parseAdxGroupToDxf(adxReader, dxfWriter, adxImportOptions, dataSetMap, dataSetCallable, dataElementMap, dataElementCallable));
            groupCount++;
        }
        // end dataValueSet
        dxfWriter.writeEndElement();
        dxfWriter.writeEndDocument();
        pipeOut.flush();
        importSummary = futureImportSummary.get(TOTAL_MINUTES_TO_WAIT, TimeUnit.MINUTES);
        importSummary.getConflicts().addAll(adxConflicts);
        importSummary.getImportCount().incrementIgnored(adxConflicts.size());
    } catch (AdxException ex) {
        importSummary = new ImportSummary();
        importSummary.setStatus(ImportStatus.ERROR);
        importSummary.setDescription("Data set import failed within group number: " + groupCount);
        importSummary.getConflicts().add(ex.getImportConflict());
        notifier.update(id, NotificationLevel.ERROR, "ADX data import done", true);
        log.warn("Import failed: " + DebugUtils.getStackTrace(ex));
    } catch (IOException | XMLStreamException | InterruptedException | ExecutionException | TimeoutException ex) {
        importSummary = new ImportSummary();
        importSummary.setStatus(ImportStatus.ERROR);
        importSummary.setDescription("Data set import failed within group number: " + groupCount);
        notifier.update(id, NotificationLevel.ERROR, "ADX data import done", true);
        log.warn("Import failed: " + DebugUtils.getStackTrace(ex));
    }
    executor.shutdown();
    notifier.update(id, INFO, "ADX data import done", true).addTaskSummary(id, importSummary);
    ImportCount c = importSummary.getImportCount();
    log.info("ADX data import done, imported: " + c.getImported() + ", updated: " + c.getUpdated() + ", deleted: " + c.getDeleted() + ", ignored: " + c.getIgnored());
    return importSummary;
}