// Writes wiki example JSON in a streaming fashion
private void writeWikiExample(OutputStream os) {
try (JsonGenerator gene = Json.createGenerator(os)) {
gene.writeStartObject()
.write("firstName", "John")
.write("lastName", "Smith")
.write("age", 25)
.writeStartObject("address")
.write("streetAddress", "21 2nd Street")
.write("city", "New York")
.write("state", "NY")
.write("postalCode", "10021")
.writeEnd()
.writeStartArray("phoneNumber")
.writeStartObject()
.write("type", "home")
.write("number", "212 555-1234")
.writeEnd()
.writeStartObject()
.write("type", "fax")
.write("number", "646 555-4567")
.writeEnd()
.writeEnd()
.writeEnd();
}
}
private void writeDate(JsonGenerator jg, String key, Date date) {
if (date != null) {
String formattedDate = getFormattedDate(date);
jg.write(key, formattedDate);
} else {
jg.write(key, JsonValue.NULL);
}
}
private static void writeMatrix(Matrix4d matrix, JsonGenerator jg) {
jg.writeStartArray("matrix");
for (int i = 0; i < 4; i++) {
for (int j = 0; j < 4; j++) {
jg.write(matrix.getElement(i, j));
}
}
jg.writeEnd();
}
@GET
@Path("version")
@Produces(MediaType.APPLICATION_JSON)
public String getVersion() {
ByteArrayOutputStream baos = new ByteArrayOutputStream();
JsonGenerator gen = Json.createGenerator(baos);
gen.writeStartObject().write("version", Constants.API_VERSION).writeEnd();
gen.close();
return baos.toString();
}
@POST
@Path("session")
@Consumes(MediaType.APPLICATION_FORM_URLENCODED)
@Produces(MediaType.APPLICATION_JSON)
public String login(@Context HttpServletRequest request, @FormParam("json") String jsonString)
throws IcatException {
logger.debug(jsonString);
if (jsonString == null) {
throw new IcatException(IcatExceptionType.BAD_PARAMETER, "json must not be null");
}
String plugin = null;
Map<String, String> credentials = new HashMap<>();
try (JsonParser parser = Json.createParser(new ByteArrayInputStream(jsonString.getBytes()))) {
String key = null;
boolean inCredentials = false;
while (parser.hasNext()) {
JsonParser.Event event = parser.next();
if (event == Event.KEY_NAME) {
key = parser.getString();
} else if (event == Event.VALUE_STRING) {
if (inCredentials) {
credentials.put(key, parser.getString());
} else {
if (key.equals("plugin")) {
plugin = parser.getString();
}
}
} else if (event == Event.START_ARRAY && key.equals("credentials")) {
inCredentials = true;
} else if (event == Event.END_ARRAY) {
inCredentials = false;
}
}
}
Authenticator authenticator = authPlugins.get(plugin);
if (authenticator == null) {
throw new IcatException(
IcatException.IcatExceptionType.SESSION,
"Authenticator mnemonic " + plugin + " not recognised");
}
logger.debug("Using " + plugin + " to authenticate");
String userName =
authenticator.authenticate(credentials, request.getRemoteAddr()).getUserName();
String sessionId = beanManager.login(userName, lifetimeMinutes, manager, userTransaction);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
JsonGenerator gen = Json.createGenerator(baos);
gen.writeStartObject().write("sessionId", sessionId).writeEnd();
gen.close();
return baos.toString();
}
@Override
public String encode(JoinMessage joinMessage) throws EncodeException {
StringWriter swriter = new StringWriter();
try (JsonGenerator jsonGen = Json.createGenerator(swriter)) {
jsonGen
.writeStartObject()
.write("type", "join")
.write("name", joinMessage.getName())
.writeEnd();
}
return swriter.toString();
}
/**
* Converts query tags list to JSON string and returns it. In case of conversion errors, returns
* {@code null}.
*/
public String getAsJsonString() {
StringWriter buffer = new StringWriter();
try (JsonGenerator jgen = Json.createGenerator(buffer)) {
jgen.writeStartObject();
tags.forEach(t -> jgen.write(t.getTagText(), t.getTagWeight()));
jgen.writeEnd();
jgen.flush();
return buffer.toString();
} catch (Exception e) {
logger.log(Level.SEVERE, "Unable to encode URL with list of tags: " + buffer.toString(), e);
return null;
}
}
@GET
@Path("session/{sessionId}")
@Produces(MediaType.APPLICATION_JSON)
public String getSession(@PathParam("sessionId") String sessionId) throws IcatException {
String userName = beanManager.getUserName(sessionId, manager);
double remainingMinutes = beanManager.getRemainingMinutes(sessionId, manager);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
JsonGenerator gen = Json.createGenerator(baos);
gen.writeStartObject()
.write("userName", userName)
.write("remainingMinutes", remainingMinutes)
.writeEnd();
gen.close();
return baos.toString();
}
@POST
@Path("entityManager")
@Consumes(MediaType.APPLICATION_FORM_URLENCODED)
@Produces(MediaType.APPLICATION_JSON)
public String create(@FormParam("sessionId") String sessionId, @FormParam("entities") String json)
throws IcatException {
List<EntityBaseBean> entities = new ArrayList<>();
try (JsonParser parser = Json.createParser(new ByteArrayInputStream(json.getBytes()))) {
EventChecker checker = new EventChecker(parser);
checker.get(Event.START_ARRAY);
while (true) {
Event event = checker.get(Event.START_OBJECT, Event.END_ARRAY);
if (event == Event.END_ARRAY) {
break;
}
checker.get(Event.KEY_NAME);
String entityName = parser.getString();
checker.get(Event.START_OBJECT);
entities.add(parseEntity(checker, entityName));
checker.get(Event.END_OBJECT);
}
} catch (JsonException e) {
throw new IcatException(IcatExceptionType.INTERNAL, e.getMessage());
}
String userName = beanManager.getUserName(sessionId, manager);
List<CreateResponse> createResponses =
beanManager.createMany(userName, entities, manager, userTransaction);
ByteArrayOutputStream baos = new ByteArrayOutputStream();
try (JsonGenerator gen = Json.createGenerator(baos)) {
gen.writeStartArray();
for (CreateResponse createResponse : createResponses) {
transmitter.processMessage(createResponse.getNotificationMessage());
gen.write(createResponse.getPk());
}
gen.writeEnd();
} catch (JMSException e) {
throw new IcatException(
IcatException.IcatExceptionType.INTERNAL, e.getClass() + " " + e.getMessage());
}
return baos.toString();
}
public String toJsonString() {
assert analysis.hasBeenPerformed;
if (jsonString != null) {
return jsonString;
}
if (json == null) {
toJson(); // Caches the result in `json`.
assert json != null;
}
StringWriter writer = new StringWriter();
JsonGenerator generator = jsonGeneratorFactory.createGenerator(writer);
generator.writeStartArray();
generator.write(json);
generator.writeEnd();
generator.close();
return writer.toString();
}
private static void writeAttributes(List<InstanceAttributeDTO> attributes, JsonGenerator jg) {
jg.writeStartArray("attributes");
for (InstanceAttributeDTO a : attributes) {
jg.writeStartObject();
jg.write("name", a.getName());
jg.write("type", a.getType().toString());
jg.write("value", a.getValue());
jg.writeEnd();
}
jg.writeEnd();
}
private static void writeGeometries(List<Geometry> files, JsonGenerator jg) {
jg.write("qualities", files.size());
if (!files.isEmpty()) {
Geometry geometry = files.get(0);
jg.write("xMin", geometry.getxMin());
jg.write("yMin", geometry.getyMin());
jg.write("zMin", geometry.getzMin());
jg.write("xMax", geometry.getxMax());
jg.write("yMax", geometry.getyMax());
jg.write("zMax", geometry.getzMax());
}
jg.writeStartArray("files");
for (Geometry g : files) {
jg.writeStartObject();
jg.write("fullName", "api/files/" + g.getFullName());
jg.writeEnd();
}
jg.writeEnd();
}
@Override
protected String getJsonRepresentation(TravelExpenseReport travelExpenseReport) {
StringWriter writer = new StringWriter();
JsonGenerator jg = jsonGeneratorFactory.createGenerator(writer);
SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss");
jg.writeStartObject()
.write("status", travelExpenseReport.getStatus().toString())
.write("employee", "/employees/" + travelExpenseReport.getEmployee().getId())
.write("debitor", "/companies/" + travelExpenseReport.getDebitor().getId());
if (travelExpenseReport.getSubmissionDate() != null) {
jg.write("submissionDate", sdf.format(travelExpenseReport.getSubmissionDate()));
}
if (travelExpenseReport.getProject() != null) {
jg.write("project", "/projects/" + travelExpenseReport.getProject().getId());
}
if (travelExpenseReport.getId() != null) {
jg.write("id", travelExpenseReport.getId());
}
jg.writeEnd().close();
return writer.toString();
}
@Override
protected void doGet(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
String query = req.getParameter("q");
long id = Long.parseLong(req.getParameter("id"));
Set<String> tags;
try {
tags = TagExtractor.findMatching(query, id);
} catch (SQLException e) {
e.printStackTrace();
return;
}
try (OutputStream os = resp.getOutputStream()) {
try (final JsonGenerator generator = Json.createGenerator(os)) {
generator.writeStartArray();
for (String s : tags) {
generator.writeStartObject();
generator.write("value", s);
generator.writeEnd();
}
generator.writeEnd();
}
}
}
private static void writeLeaf(
List<PartLink> currentPath,
List<Integer> copyInstanceIds,
PartIteration partI,
Matrix4d combinedMatrix,
JsonGenerator jg) {
String partIterationId = partI.toString();
List<InstanceAttributeDTO> attributes = new ArrayList<>();
for (InstanceAttribute attr : partI.getInstanceAttributes()) {
attributes.add(mapper.map(attr, InstanceAttributeDTO.class));
}
jg.writeStartObject();
jg.write("id", Tools.getPathInstanceAsString(currentPath, copyInstanceIds));
jg.write("partIterationId", partIterationId);
jg.write("path", Tools.getPathAsString(currentPath));
writeMatrix(combinedMatrix, jg);
writeGeometries(partI.getSortedGeometries(), jg);
writeAttributes(attributes, jg);
jg.writeEnd();
jg.flush();
}
private void generateJSONResponse(OutputStream outputStream, QueryResult queryResult)
throws UnsupportedEncodingException, NamingException {
String charSet = "UTF-8";
JsonGenerator jg = Json.createGenerator(new OutputStreamWriter(outputStream, charSet));
jg.writeStartArray();
List<String> selects = queryResult.getQuery().getSelects();
List<String> partIterationSelectedAttributes = getPartIterationSelectedAttributes(selects);
List<String> pathDataSelectedAttributes = getPathDataSelectedAttributes(selects);
context = new InitialContext();
IProductInstanceManagerLocal productInstanceService =
(IProductInstanceManagerLocal)
context.lookup(
"java:global/docdoku-server-ear/docdoku-server-ejb/ProductInstanceManagerBean");
for (QueryResultRow row : queryResult.getRows()) {
QueryContext queryContext = row.getContext();
PartRevision part = row.getPartRevision();
PartIteration lastCheckedInIteration = part.getLastCheckedInIteration();
jg.writeStartObject();
jg.write(QueryField.PART_REVISION_PART_KEY, part.getPartNumber() + '-' + part.getVersion());
// PartMaster data
if (selects.contains(QueryField.PART_MASTER_NUMBER)) {
jg.write(QueryField.PART_MASTER_NUMBER, part.getPartNumber());
}
if (selects.contains(QueryField.PART_MASTER_NAME)) {
String sName = part.getPartName();
jg.write(QueryField.PART_MASTER_NAME, sName != null ? sName : "");
}
if (selects.contains(QueryField.PART_MASTER_TYPE)) {
String sType = part.getType();
jg.write(QueryField.PART_MASTER_TYPE, sType != null ? sType : "");
}
// PartRevision data
if (selects.contains(QueryField.PART_REVISION_MODIFICATION_DATE)) {
PartIteration pi = part.getLastIteration();
if (pi != null) {
writeDate(jg, QueryField.PART_REVISION_MODIFICATION_DATE, pi.getModificationDate());
}
}
if (selects.contains(QueryField.PART_REVISION_CREATION_DATE)) {
writeDate(jg, QueryField.PART_REVISION_CREATION_DATE, part.getCreationDate());
}
if (selects.contains(QueryField.PART_REVISION_CHECKOUT_DATE)) {
writeDate(jg, QueryField.PART_REVISION_CHECKOUT_DATE, part.getCheckOutDate());
}
if (selects.contains(QueryField.PART_REVISION_CHECKIN_DATE)) {
writeDate(
jg,
QueryField.PART_REVISION_CHECKIN_DATE,
lastCheckedInIteration != null ? lastCheckedInIteration.getCheckInDate() : null);
}
if (selects.contains(QueryField.PART_REVISION_VERSION)) {
String version = part.getVersion();
jg.write(QueryField.PART_REVISION_VERSION, version);
}
if (selects.contains(QueryField.PART_REVISION_LIFECYCLE_STATE)) {
String lifeCycleState = part.getLifeCycleState();
jg.write(
QueryField.PART_REVISION_LIFECYCLE_STATE, lifeCycleState != null ? lifeCycleState : "");
}
if (selects.contains(QueryField.PART_REVISION_STATUS)) {
PartRevision.RevisionStatus status = part.getStatus();
jg.write(QueryField.PART_REVISION_STATUS, status.toString());
}
if (selects.contains(QueryField.AUTHOR_LOGIN)) {
User user = part.getAuthor();
jg.write(QueryField.AUTHOR_LOGIN, user.getLogin());
}
if (selects.contains(QueryField.AUTHOR_NAME)) {
User user = part.getAuthor();
jg.write(QueryField.AUTHOR_NAME, user.getName());
}
if (selects.contains(QueryField.CTX_DEPTH)) {
jg.write(QueryField.CTX_DEPTH, row.getDepth());
}
if (selects.contains(QueryField.PART_ITERATION_LINKED_DOCUMENTS)) {
StringBuilder sb = new StringBuilder();
if (null != queryContext && null != queryContext.getSerialNumber()) {
try {
ProductInstanceMaster productInstanceMaster =
productInstanceService.getProductInstanceMaster(
new ProductInstanceMasterKey(
queryContext.getSerialNumber(),
queryContext.getWorkspaceId(),
queryContext.getConfigurationItemId()));
ProductInstanceIteration lastIteration = productInstanceMaster.getLastIteration();
ProductBaseline basedOn = lastIteration.getBasedOn();
PartCollection partCollection = basedOn.getPartCollection();
BaselinedPart baselinedPart =
partCollection.getBaselinedPart(
new BaselinedPartKey(
partCollection.getId(),
queryContext.getWorkspaceId(),
part.getPartNumber()));
PartIteration targetPart = baselinedPart.getTargetPart();
Set<DocumentLink> linkedDocuments = targetPart.getLinkedDocuments();
DocumentCollection documentCollection = basedOn.getDocumentCollection();
for (DocumentLink documentLink : linkedDocuments) {
DocumentRevision targetDocument = documentLink.getTargetDocument();
BaselinedDocument baselinedDocument =
documentCollection.getBaselinedDocument(
new BaselinedDocumentKey(
documentCollection.getId(),
queryContext.getWorkspaceId(),
targetDocument.getDocumentMasterId(),
targetDocument.getVersion()));
if (null != baselinedDocument) {
DocumentIteration targetDocumentIteration = baselinedDocument.getTargetDocument();
sb.append(targetDocumentIteration.toString() + ",");
}
}
} catch (UserNotFoundException
| UserNotActiveException
| WorkspaceNotFoundException
| ProductInstanceMasterNotFoundException e) {
LOGGER.log(Level.FINEST, null, e);
}
} else {
if (lastCheckedInIteration != null) {
Set<DocumentLink> linkedDocuments = lastCheckedInIteration.getLinkedDocuments();
for (DocumentLink documentLink : linkedDocuments) {
DocumentRevision targetDocument = documentLink.getTargetDocument();
DocumentIteration targetDocumentLastCheckedInIteration =
targetDocument.getLastCheckedInIteration();
if (targetDocumentLastCheckedInIteration != null) {
sb.append(targetDocumentLastCheckedInIteration.toString() + ",");
}
}
}
}
jg.write(QueryField.PART_ITERATION_LINKED_DOCUMENTS, sb.toString());
}
for (String attributeSelect : partIterationSelectedAttributes) {
String attributeSelectType =
attributeSelect
.substring(0, attributeSelect.indexOf("."))
.substring(QueryField.PART_REVISION_ATTRIBUTES_PREFIX.length());
String attributeSelectName = attributeSelect.substring(attributeSelect.indexOf(".") + 1);
String attributeValue = "";
PartIteration pi = part.getLastIteration();
if (pi != null) {
List<InstanceAttribute> attributes = pi.getInstanceAttributes();
if (attributes != null) {
jg.writeStartArray(attributeSelect);
for (InstanceAttribute attribute : attributes) {
InstanceAttributeDescriptor attributeDescriptor =
new InstanceAttributeDescriptor(attribute);
if (attributeDescriptor.getName().equals(attributeSelectName)
&& attributeDescriptor.getStringType().equals(attributeSelectType)) {
attributeValue = attribute.getValue() + "";
if (attribute instanceof InstanceDateAttribute) {
attributeValue =
getFormattedDate(((InstanceDateAttribute) attribute).getDateValue());
} else if (attribute instanceof InstanceListOfValuesAttribute) {
attributeValue = ((InstanceListOfValuesAttribute) attribute).getSelectedName();
}
jg.write(attributeValue);
}
}
jg.writeEnd();
} else {
jg.write(attributeSelect, attributeValue);
}
} else {
// TODO: maybe this line is useless and should be removed
jg.write(attributeSelect, attributeValue);
}
}
for (String attributeSelect : pathDataSelectedAttributes) {
String attributeSelectType =
attributeSelect
.substring(0, attributeSelect.indexOf("."))
.substring(QueryField.PATH_DATA_ATTRIBUTES_PREFIX.length());
String attributeSelectName = attributeSelect.substring(attributeSelect.indexOf(".") + 1);
String attributeValue = "";
PathDataIteration pdi = row.getPathDataIteration();
if (pdi != null) {
List<InstanceAttribute> attributes = pdi.getInstanceAttributes();
if (attributes != null) {
jg.writeStartArray(attributeSelect);
for (InstanceAttribute attribute : attributes) {
InstanceAttributeDescriptor attributeDescriptor =
new InstanceAttributeDescriptor(attribute);
if (attributeDescriptor.getName().equals(attributeSelectName)
&& attributeDescriptor.getStringType().equals(attributeSelectType)) {
attributeValue = attribute.getValue() + "";
if (attribute instanceof InstanceDateAttribute) {
attributeValue =
getFormattedDate(((InstanceDateAttribute) attribute).getDateValue());
} else if (attribute instanceof InstanceListOfValuesAttribute) {
attributeValue = ((InstanceListOfValuesAttribute) attribute).getSelectedName();
}
jg.write(attributeValue);
}
}
jg.writeEnd();
} else {
jg.write(attributeSelect, attributeValue);
}
}
}
if (selects.contains(QueryField.CTX_PRODUCT_ID)) {
String configurationItemId =
queryContext != null ? queryContext.getConfigurationItemId() : "";
jg.write(QueryField.CTX_PRODUCT_ID, configurationItemId);
}
if (selects.contains(QueryField.CTX_SERIAL_NUMBER)) {
String serialNumber = queryContext != null ? queryContext.getSerialNumber() : "";
jg.write(QueryField.CTX_SERIAL_NUMBER, serialNumber != null ? serialNumber : "");
}
if (selects.contains(QueryField.CTX_AMOUNT)) {
String amount = row.getAmount() + "";
jg.write(QueryField.CTX_AMOUNT, amount);
}
if (selects.contains(QueryField.CTX_P2P_SOURCE)) {
Map<String, List<PartLinkList>> sources = row.getSources();
String partLinksAsString = Tools.getPartLinksAsHumanString(sources);
jg.write(QueryField.CTX_P2P_SOURCE, partLinksAsString);
}
if (selects.contains(QueryField.CTX_P2P_TARGET)) {
Map<String, List<PartLinkList>> targets = row.getTargets();
String partLinksAsString = Tools.getPartLinksAsHumanString(targets);
jg.write(QueryField.CTX_P2P_TARGET, partLinksAsString);
}
if (selects.contains(QueryField.PART_MASTER_IS_STANDARD)) {
boolean isStandard = row.getPartRevision().getPartMaster().isStandardPart();
jg.write(QueryField.PART_MASTER_IS_STANDARD, isStandard);
}
jg.writeEnd();
}
jg.writeEnd();
jg.flush();
}
@GET
@Path("entityManager")
@Produces(MediaType.APPLICATION_JSON)
public String search(
@QueryParam("sessionId") String sessionId,
@QueryParam("query") String query,
@QueryParam("id") Long id)
throws IcatException {
if (sessionId == null) {
throw new IcatException(IcatExceptionType.BAD_PARAMETER, "sessionId is not set");
}
if (query == null) {
throw new IcatException(IcatExceptionType.BAD_PARAMETER, "query is not set");
}
ByteArrayOutputStream baos = new ByteArrayOutputStream();
JsonGenerator gen = Json.createGenerator(baos);
String userName = beanManager.getUserName(sessionId, manager);
if (id == null) {
gen.writeStartArray();
for (Object result : beanManager.search(userName, query, manager, userTransaction)) {
if (result == null) {
gen.writeNull();
} else if (result instanceof EntityBaseBean) {
gen.writeStartObject();
gen.writeStartObject(result.getClass().getSimpleName());
jsonise((EntityBaseBean) result, gen);
gen.writeEnd();
gen.writeEnd();
} else if (result instanceof Long) {
gen.write((Long) result);
} else if (result instanceof Double) {
if (Double.isNaN((double) result)) {
gen.writeNull();
} else {
gen.write((Double) result);
}
} else if (result instanceof String) {
gen.write((String) result);
} else if (result instanceof Boolean) {
gen.write((Boolean) result);
} else {
throw new IcatException(
IcatException.IcatExceptionType.INTERNAL,
"Don't know how to jsonise " + result.getClass());
}
}
gen.writeEnd();
} else {
EntityBaseBean result = beanManager.get(userName, query, id, manager, userTransaction);
gen.writeStartObject();
gen.writeStartObject(result.getClass().getSimpleName());
jsonise(result, gen);
gen.writeEnd();
gen.writeEnd();
}
gen.close();
return baos.toString();
}
private void jsonise(EntityBaseBean bean, JsonGenerator gen) throws IcatException {
gen.write("id", bean.getId())
.write("createId", bean.getCreateId())
.write("createTime", bean.getCreateTime().toString())
.write("modId", bean.getModId())
.write("modTime", bean.getModTime().toString());
Class<? extends EntityBaseBean> klass = bean.getClass();
Map<Field, Method> getters = eiHandler.getGetters(klass);
Set<Field> atts = eiHandler.getAttributes(klass);
Set<Field> updaters = eiHandler.getSettersForUpdate(klass).keySet();
for (Field field : eiHandler.getFields(klass)) {
Object value = null;
try {
value = getters.get(field).invoke(bean);
} catch (IllegalAccessException | IllegalArgumentException | InvocationTargetException e) {
throw new IcatException(IcatExceptionType.INTERNAL, e.getClass() + " " + e.getMessage());
}
if (value == null) {
// Ignore null values
} else if (atts.contains(field)) {
String type = field.getType().getSimpleName();
if (type.equals("String")) {
gen.write(field.getName(), (String) value);
} else if (type.equals("Integer")) {
gen.write(field.getName(), value.toString());
} else if (type.equals("Double")) {
gen.write(field.getName(), value.toString());
} else if (type.equals("Long")) {
gen.write(field.getName(), value.toString());
} else if (type.equals("boolean")) {
gen.write(field.getName(), value.toString());
} else if (field.getType().isEnum()) {
gen.write(field.getName(), value.toString());
} else if (type.equals("Date")) {
synchronized (df8601) {
gen.write(field.getName(), df8601.format((Date) value));
}
} else {
throw new IcatException(
IcatExceptionType.INTERNAL, "Don't know how to jsonise field of type " + type);
}
} else if (updaters.contains(field)) {
gen.writeStartObject(field.getName());
jsonise((EntityBaseBean) value, gen);
gen.writeEnd();
} else {
gen.writeStartArray(field.getName());
@SuppressWarnings("unchecked")
List<EntityBaseBean> beans = (List<EntityBaseBean>) value;
for (EntityBaseBean b : beans) {
gen.writeStartObject();
jsonise(b, gen);
gen.writeEnd();
}
gen.writeEnd();
}
}
}