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

Example 1 with JSONReader

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

the class QueryServiceImpl method addSOPInstanceRefsFromMetadata.

private static void addSOPInstanceRefsFromMetadata(Sequence refSeriesSeq, String studyUID, String seriesUID, String sopUID, String storageID, String storagePath, StorageCache storageCache) {
    Sequence refSOPSeq = null;
    Storage storage = storageCache.getStorage(storageID);
    try (ZipInputStream seriesMetadataStream = openZipInputStream(storage, storagePath, studyUID)) {
        ZipEntry entry;
        while ((entry = seriesMetadataStream.getNextEntry()) != null) {
            if (sopUID == null || sopUID.equals(entry.getName())) {
                JSONReader jsonReader = new JSONReader(Json.createParser(new InputStreamReader(seriesMetadataStream, StandardCharsets.UTF_8)));
                jsonReader.setSkipBulkDataURI(true);
                Attributes metadata = jsonReader.readDataset(null);
                if (refSOPSeq == null) {
                    Attributes refSeries = new Attributes(2);
                    refSeries.setString(Tag.SeriesInstanceUID, VR.UI, seriesUID);
                    refSOPSeq = refSeries.newSequence(Tag.ReferencedSOPSequence, 10);
                    refSeriesSeq.add(refSeries);
                }
                Attributes refSOP = new Attributes(4);
                refSOP.setString(Tag.RetrieveAETitle, VR.AE, metadata.getString(Tag.RetrieveAETitle));
                refSOP.setString(Tag.InstanceAvailability, VR.CS, metadata.getString(Tag.InstanceAvailability));
                refSOP.setString(Tag.ReferencedSOPClassUID, VR.UI, metadata.getString(Tag.SOPClassUID));
                refSOP.setString(Tag.ReferencedSOPInstanceUID, VR.UI, entry.getName());
                refSOPSeq.add(refSOP);
            }
            seriesMetadataStream.closeEntry();
        }
    } catch (IOException e) {
        throw new RuntimeException("Failed to read Series Metadata " + storagePath + "@" + storage.getStorageDescriptor(), e);
    }
}

Example 2 with JSONReader

use of org.dcm4che3.json.JSONReader in project vdmj by nickbattle.

the class RPCTest method testUnknownMethod.

@Test
public void testUnknownMethod() throws IOException {
    String json = "{\"jsonrpc\": \"2.0\", \"method\": \"wibble\", \"params\": {\"subtrahend\": 23, \"minuend\": 42}, \"id\": 3}";
    StringReader ireader = new StringReader(json);
    JSONReader reader = new JSONReader(ireader);
    JSONObject map = reader.readObject();
    RPCDispatcher d = new RPCDispatcher();
    RPCMessageList responses = d.dispatch(RPCRequest.create(map));
    StringWriter out = new StringWriter();
    JSONWriter writer = new JSONWriter(new PrintWriter(out));
    writer.writeObject(responses.get(0));
    writer.flush();
    System.out.println(out.toString());
    JSONObject error = responses.get(0).get("error");
    assertEquals(error.get("code"), new Long(-32601));
}

Example 3 with JSONReader

use of org.dcm4che3.json.JSONReader in project vdmj by nickbattle.

the class RPCTest method test2.

@Test
public void test2() throws IOException {
    String json = "{\"jsonrpc\": \"2.0\", \"method\": \"subtract\", \"params\": [ 23, 42 ], \"id\": 3}";
    StringReader ireader = new StringReader(json);
    JSONReader reader = new JSONReader(ireader);
    JSONObject map = reader.readObject();
    RPCDispatcher d = new RPCDispatcher();
    d.register(new RPCHandler() {

        @Override
        public RPCMessageList request(RPCRequest request) throws IOException {
            JSONArray params = request.get("params");
            Long minuend = params.index(0);
            Long subtrahend = params.index(1);
            return new RPCMessageList(RPCResponse.result(request, minuend.longValue() - subtrahend.longValue()));
        }

        @Override
        public void response(RPCResponse message) {
        }
    }, "subtract");
    RPCMessageList responses = d.dispatch(RPCRequest.create(map));
    StringWriter out = new StringWriter();
    JSONWriter writer = new JSONWriter(new PrintWriter(out));
    writer.writeObject(responses.get(0));
    writer.flush();
    System.out.println(out.toString());
    assertEquals(new Long(-19), responses.get(0).get("result"));
}

Example 4 with JSONReader

use of org.dcm4che3.json.JSONReader in project vdmj by nickbattle.

the class RPCTest method test1.

@Test
public void test1() throws IOException {
    String json = "{\"jsonrpc\": \"2.0\", \"method\": \"subtract\", \"params\": {\"subtrahend\": 23, \"minuend\": 42}, \"id\": 3}";
    StringReader ireader = new StringReader(json);
    JSONReader reader = new JSONReader(ireader);
    JSONObject map = reader.readObject();
    RPCDispatcher d = new RPCDispatcher();
    d.register(new RPCHandler() {

        @Override
        public RPCMessageList request(RPCRequest request) throws IOException {
            JSONObject params = request.get("params");
            Long minuend = params.get("minuend");
            Long subtrahend = params.get("subtrahend");
            return new RPCMessageList(RPCResponse.result(request, minuend.longValue() - subtrahend.longValue()));
        }

        @Override
        public void response(RPCResponse message) {
        }
    }, "subtract");
    RPCMessageList responses = d.dispatch(RPCRequest.create(map));
    StringWriter out = new StringWriter();
    JSONWriter writer = new JSONWriter(new PrintWriter(out));
    writer.writeObject(responses.get(0));
    writer.flush();
    System.out.println(out.toString());
    assertEquals(new Long(19), responses.get(0).get("result"));
}

Example 5 with JSONReader

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

the class JsonImageReaderConfiguration method loadDeviceExtension.

@Override
public boolean loadDeviceExtension(Device device, JsonReader reader, ConfigurationDelegate config) {
    if (!reader.getString().equals("dcmImageReader"))
        return false;
    ImageReaderFactory factory = new ImageReaderFactory();
    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[] imageReadParam = {};
        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 "dcmImageReadParam":
                    imageReadParam = reader.stringArray();
                    break;
                default:
                    reader.skipUnknownProperty();
            }
        }
        reader.expect(JsonParser.Event.END_OBJECT);
        factory.put(tsuid, new ImageReaderFactory.ImageReaderParam(formatName, className, patchJPEGLS, imageReadParam));
    }
    device.addDeviceExtension(new ImageReaderExtension(factory));
    return true;
}