Examples with JSONReader org.dcm4che3.json.JSONReader used on opensource projects

Example 16 with JSONReader

use of org.dcm4che3.json.JSONReader in project dcm4chee-arc-light by dcm4che.

the class StoreServiceEJB method restoreInstances.

private void restoreInstances(StoreSession session, Series series, String studyUID, Duration duration, List<Instance> instList) throws DicomServiceException {
    if (series == null || series.getInstancePurgeState() == Series.InstancePurgeState.NO)
        return;
    LOG.info("Restore Instance records of Series[pk={}]", series.getPk());
    Metadata metadata = series.getMetadata();
    try (ZipInputStream zip = session.getStoreService().openZipInputStream(session, metadata.getStorageID(), metadata.getStoragePath(), studyUID)) {
        ZipEntry entry;
        while ((entry = zip.getNextEntry()) != null) {
            JSONReader jsonReader = new JSONReader(Json.createParser(new InputStreamReader(zip, StandardCharsets.UTF_8)));
            jsonReader.setSkipBulkDataURI(true);
            Instance inst = restoreInstance(session, series, jsonReader.readDataset(null));
            if (instList != null)
                instList.add(inst);
        }
    } catch (IOException e) {
        LOG.warn("Failed to restore Instance records of Series[pk={}]", series.getPk(), e);
        throw new DicomServiceException(Status.ProcessingFailure, e);
    }
    series.setInstancePurgeState(Series.InstancePurgeState.NO);
    series.scheduleInstancePurge(duration);
}

Example 17 with JSONReader

use of org.dcm4che3.json.JSONReader in project dcm4chee-arc-light by dcm4che.

the class PurgeStorageScheduler method instancesNotStoredOnOtherStorage.

private static int instancesNotStoredOnOtherStorage(ReadContext ctx, String storageID, String[] exportStorageID) {
    int count = 0;
    LOG.debug("Read Metadata {} from {}", ctx.getStoragePath(), ctx.getStorage().getStorageDescriptor());
    try (InputStream in = ctx.getStorage().openInputStream(ctx)) {
        ZipInputStream zip = new ZipInputStream(in);
        while (zip.getNextEntry() != null) {
            JSONReader jsonReader = new JSONReader(Json.createParser(new InputStreamReader(zip, "UTF-8")));
            Attributes metadata = jsonReader.readDataset(null);
            if (containsStorageID(metadata, PurgeStorageScheduler::matchStorageID, storageID) && !containsStorageID(metadata, PurgeStorageScheduler::matchStorageIDAndCheckStatus, exportStorageID))
                count++;
            zip.closeEntry();
        }
    } catch (Exception e) {
        LOG.error("Failed to read Metadata {} from {}", ctx.getStoragePath(), ctx.getStorage().getStorageDescriptor());
        count++;
    }
    return count;
}

Example 18 with JSONReader

use of org.dcm4che3.json.JSONReader in project Weasis by nroduit.

the class RsQueryResult method parseJSON.

public static List<Attributes> parseJSON(String url, AuthMethod authMethod, URLParameters urlParameters) throws Exception {
    List<Attributes> items = new ArrayList<>();
    try (HttpResponse response = NetworkUtil.getHttpResponse(url, urlParameters, authMethod);
        InputStreamReader instream = new InputStreamReader(response.getInputStream(), StandardCharsets.UTF_8)) {
        int code = response.getResponseCode();
        if (code == HttpURLConnection.HTTP_OK || code == HttpURLConnection.HTTP_PARTIAL) {
            JSONReader reader = new JSONReader(Json.createParser(instream));
            Callback callback = (fmi, dataset) -> items.add(dataset);
            reader.readDatasets(callback);
        }
        if (code == HttpURLConnection.HTTP_ENTITY_TOO_LARGE) {
            throw new IllegalStateException("The size of the results exceeds the maximum payload size supported by the origin server.");
        } else if (authMethod != null && code == HttpURLConnection.HTTP_UNAUTHORIZED) {
            authMethod.resetToken();
            authMethod.getToken();
        }
    }
    return items;
}

Example 19 with JSONReader

use of org.dcm4che3.json.JSONReader in project dcm4che by dcm4che.

the class JsonImageWriterConfiguration method loadDeviceExtension.

@Override
public boolean loadDeviceExtension(Device device, JsonReader reader, ConfigurationDelegate config) {
    if (!reader.getString().equals("dcmImageWriter"))
        return false;
    ImageWriterFactory factory = new ImageWriterFactory();
    reader.next();
    reader.expect(JsonParser.Event.START_ARRAY);
    while (reader.next() == JsonParser.Event.START_OBJECT) {
        String tsuid = null;
        String formatName = null;
        String className = null;
        String patchJPEGLS = null;
        String[] imageWriteParam = {};
        while (reader.next() == JsonParser.Event.KEY_NAME) {
            switch(reader.getString()) {
                case "dicomTransferSyntax":
                    tsuid = reader.stringValue();
                    break;
                case "dcmIIOFormatName":
                    formatName = reader.stringValue();
                    break;
                case "dcmJavaClassName":
                    className = reader.stringValue();
                    break;
                case "dcmPatchJPEGLS":
                    patchJPEGLS = reader.stringValue();
                    break;
                case "dcmImageWriteParam":
                    imageWriteParam = reader.stringArray();
                    break;
                default:
                    reader.skipUnknownProperty();
            }
        }
        reader.expect(JsonParser.Event.END_OBJECT);
        factory.put(tsuid, new ImageWriterFactory.ImageWriterParam(formatName, className, patchJPEGLS, imageWriteParam));
    }
    device.addDeviceExtension(new ImageWriterExtension(factory));
    return true;
}

Example 20 with JSONReader

use of org.dcm4che3.json.JSONReader in project dcm4che by dcm4che.

the class JsonAuditLoggerConfiguration method loadDeviceExtension.

@Override
public boolean loadDeviceExtension(Device device, JsonReader reader, ConfigurationDelegate config) throws ConfigurationException {
    if (!reader.getString().equals("dcmAuditLogger"))
        return false;
    AuditLoggerDeviceExtension ext = new AuditLoggerDeviceExtension();
    loadFrom(ext, reader, device.listConnections(), config);
    device.addDeviceExtension(ext);
    return true;
}