2 * Copyright (c) 2014 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.netconf.client.mdsal.impl;
10 import static java.util.Objects.requireNonNull;
11 import static org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.base._1._0.rev110601.$YangModuleInfoImpl.qnameOf;
13 import com.google.common.base.Preconditions;
14 import com.google.common.collect.ImmutableList;
15 import java.io.IOException;
16 import java.time.Instant;
17 import java.time.format.DateTimeParseException;
18 import java.util.ArrayDeque;
19 import java.util.Collection;
20 import java.util.Iterator;
21 import java.util.List;
23 import java.util.Map.Entry;
24 import java.util.Optional;
25 import javax.xml.stream.XMLStreamException;
26 import javax.xml.stream.XMLStreamWriter;
27 import javax.xml.transform.dom.DOMResult;
28 import javax.xml.transform.dom.DOMSource;
29 import org.eclipse.jdt.annotation.NonNull;
30 import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
31 import org.opendaylight.netconf.api.DocumentedException;
32 import org.opendaylight.netconf.api.EffectiveOperation;
33 import org.opendaylight.netconf.api.NamespaceURN;
34 import org.opendaylight.netconf.api.messages.NetconfMessage;
35 import org.opendaylight.netconf.api.messages.NotificationMessage;
36 import org.opendaylight.netconf.api.messages.RpcMessage;
37 import org.opendaylight.netconf.api.messages.RpcReplyMessage;
38 import org.opendaylight.netconf.api.xml.XmlElement;
39 import org.opendaylight.netconf.api.xml.XmlNetconfConstants;
40 import org.opendaylight.netconf.api.xml.XmlUtil;
41 import org.opendaylight.netconf.common.mdsal.NormalizedDataUtil;
42 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.base._1._0.rev110601.Candidate;
43 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.base._1._0.rev110601.CommitInput;
44 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.base._1._0.rev110601.CopyConfig;
45 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.base._1._0.rev110601.DiscardChangesInput;
46 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.base._1._0.rev110601.EditConfig;
47 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.base._1._0.rev110601.Get;
48 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.base._1._0.rev110601.GetConfig;
49 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.base._1._0.rev110601.Lock;
50 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.base._1._0.rev110601.Unlock;
51 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.base._1._0.rev110601.Validate;
52 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.base._1._0.rev110601.edit.config.input.EditContent;
53 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.netconf.base._1._0.rev110601.get.config.output.Data;
54 import org.opendaylight.yang.gen.v1.urn.ietf.params.xml.ns.yang.ietf.netconf.monitoring.rev101004.NetconfState;
55 import org.opendaylight.yangtools.yang.common.QName;
56 import org.opendaylight.yangtools.yang.common.YangConstants;
57 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
58 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
59 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
60 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeWithValue;
61 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.PathArgument;
62 import org.opendaylight.yangtools.yang.data.api.schema.AnyxmlNode;
63 import org.opendaylight.yangtools.yang.data.api.schema.ContainerNode;
64 import org.opendaylight.yangtools.yang.data.api.schema.DOMSourceAnyxmlNode;
65 import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
66 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedMetadata;
67 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
68 import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter;
69 import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeWriter;
70 import org.opendaylight.yangtools.yang.data.api.schema.stream.YangInstanceIdentifierWriter;
71 import org.opendaylight.yangtools.yang.data.codec.xml.XMLStreamNormalizedNodeStreamWriter;
72 import org.opendaylight.yangtools.yang.data.impl.schema.Builders;
73 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNormalizedMetadata;
74 import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNormalizedNodeStreamWriter;
75 import org.opendaylight.yangtools.yang.data.impl.schema.NormalizationResultHolder;
76 import org.opendaylight.yangtools.yang.data.impl.schema.SchemaOrderedNormalizedNodeWriter;
77 import org.opendaylight.yangtools.yang.data.util.DataSchemaContext;
78 import org.opendaylight.yangtools.yang.data.util.DataSchemaContext.PathMixin;
79 import org.opendaylight.yangtools.yang.data.util.DataSchemaContextTree;
80 import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
81 import org.opendaylight.yangtools.yang.model.api.stmt.SchemaNodeIdentifier.Absolute;
82 import org.opendaylight.yangtools.yang.model.util.SchemaInferenceStack;
83 import org.slf4j.Logger;
84 import org.slf4j.LoggerFactory;
85 import org.w3c.dom.Document;
86 import org.w3c.dom.Element;
88 public final class NetconfMessageTransformUtil {
89 private static final Logger LOG = LoggerFactory.getLogger(NetconfMessageTransformUtil.class);
91 public static final String MESSAGE_ID_PREFIX = "m";
93 // Blank document used for creation of new DOM nodes
94 private static final Document BLANK_DOCUMENT = XmlUtil.newDocument();
96 public static final @NonNull QName IETF_NETCONF_MONITORING =
97 QName.create(NetconfState.QNAME, "ietf-netconf-monitoring").intern();
98 public static final @NonNull QName IETF_NETCONF_MONITORING_SCHEMA_FORMAT =
99 QName.create(IETF_NETCONF_MONITORING, "format").intern();
100 public static final @NonNull QName IETF_NETCONF_MONITORING_SCHEMA_LOCATION =
101 QName.create(IETF_NETCONF_MONITORING, "location").intern();
102 public static final @NonNull QName IETF_NETCONF_MONITORING_SCHEMA_IDENTIFIER =
103 QName.create(IETF_NETCONF_MONITORING, "identifier").intern();
104 public static final @NonNull QName IETF_NETCONF_MONITORING_SCHEMA_VERSION =
105 QName.create(IETF_NETCONF_MONITORING, "version").intern();
106 public static final @NonNull QName IETF_NETCONF_MONITORING_SCHEMA_NAMESPACE =
107 QName.create(IETF_NETCONF_MONITORING, "namespace").intern();
109 public static final @NonNull NodeIdentifier NETCONF_DATA_NODEID = NodeIdentifier.create(Data.QNAME);
111 public static final @NonNull QName NETCONF_RPC_REPLY_QNAME = qnameOf(RpcReplyMessage.ELEMENT_NAME);
112 public static final @NonNull NodeIdentifier NETCONF_RPC_REPLY_NODEID =
113 NodeIdentifier.create(NETCONF_RPC_REPLY_QNAME);
115 public static final @NonNull NodeIdentifier NETCONF_ERROR_OPTION_NODEID =
116 NodeIdentifier.create(qnameOf("error-option"));
117 public static final @NonNull NodeIdentifier NETCONF_RUNNING_NODEID = NodeIdentifier.create(qnameOf("running"));
118 public static final @NonNull NodeIdentifier NETCONF_SOURCE_NODEID = NodeIdentifier.create(qnameOf("source"));
119 public static final @NonNull NodeIdentifier NETCONF_CANDIDATE_NODEID = NodeIdentifier.create(Candidate.QNAME);
120 public static final @NonNull NodeIdentifier NETCONF_TARGET_NODEID = NodeIdentifier.create(qnameOf("target"));
121 public static final @NonNull NodeIdentifier NETCONF_CONFIG_NODEID = NodeIdentifier.create(qnameOf("config"));
123 public static final @NonNull NodeIdentifier NETCONF_VALIDATE_NODEID = NodeIdentifier.create(Validate.QNAME);
124 public static final @NonNull NodeIdentifier NETCONF_COPY_CONFIG_NODEID = NodeIdentifier.create(CopyConfig.QNAME);
126 private static final @NonNull QName NETCONF_OPERATION_QNAME_LEGACY =
127 QName.create(NamespaceURN.BASE, XmlNetconfConstants.OPERATION_ATTR_KEY).intern();
129 public static final @NonNull NodeIdentifier NETCONF_DEFAULT_OPERATION_NODEID =
130 NodeIdentifier.create(qnameOf("default-operation"));
131 public static final @NonNull NodeIdentifier NETCONF_EDIT_CONFIG_NODEID = NodeIdentifier.create(EditConfig.QNAME);
132 public static final @NonNull NodeIdentifier NETCONF_GET_CONFIG_NODEID = NodeIdentifier.create(GetConfig.QNAME);
133 public static final @NonNull NodeIdentifier NETCONF_GET_NODEID = NodeIdentifier.create(Get.QNAME);
134 public static final @NonNull QName NETCONF_RPC_QNAME = qnameOf(RpcMessage.ELEMENT_NAME);
136 public static final @NonNull NodeIdentifier NETCONF_LOCK_NODEID = NodeIdentifier.create(Lock.QNAME);
137 public static final @NonNull NodeIdentifier NETCONF_UNLOCK_NODEID = NodeIdentifier.create(Unlock.QNAME);
138 public static final @NonNull NodeIdentifier EDIT_CONTENT_NODEID = NodeIdentifier.create(EditContent.QNAME);
140 // Discard changes message
141 public static final @NonNull ContainerNode DISCARD_CHANGES_RPC_CONTENT = Builders.containerBuilder()
142 .withNodeIdentifier(NodeIdentifier.create(DiscardChangesInput.QNAME)).build();
144 // Commit changes message
145 public static final @NonNull ContainerNode COMMIT_RPC_CONTENT = Builders.containerBuilder()
146 .withNodeIdentifier(NodeIdentifier.create(CommitInput.QNAME)).build();
149 public static final @NonNull ContainerNode GET_RPC_CONTENT = Builders.containerBuilder()
150 .withNodeIdentifier(NETCONF_GET_NODEID).build();
152 public static final @NonNull NodeIdentifier NETCONF_FILTER_NODEID = NodeIdentifier.create(qnameOf("filter"));
154 public static final @NonNull AnyxmlNode<?> EMPTY_FILTER = buildFilterStructure(newFilterElement());
156 private NetconfMessageTransformUtil() {
161 * Creation of the subtree filter structure using {@link YangInstanceIdentifier} path.
163 * @param identifier parent path / query
164 * @param ctx mountpoint schema context
165 * @return created DOM structure with subtree filter
167 public static AnyxmlNode<?> toFilterStructure(final YangInstanceIdentifier identifier,
168 final EffectiveModelContext ctx) {
169 final Element element = newFilterElement();
171 NormalizedDataUtil.writeFilter(identifier, new DOMResult(element), ctx, null);
172 } catch (IOException | XMLStreamException e) {
173 throw new IllegalStateException("Unable to serialize filter element for path " + identifier, e);
175 return buildFilterStructure(element);
179 * Creation of the subtree filter structure using list of parent {@link YangInstanceIdentifier}
180 * and specific selection fields. Field paths are relative to parent query path.
182 * @param fieldsFilters list of: parent path and selection fields
183 * @param ctx mountpoint schema context
184 * @return created DOM structure with subtree filter
186 public static AnyxmlNode<?> toFilterStructure(final List<FieldsFilter> fieldsFilters,
187 final EffectiveModelContext ctx) {
188 Preconditions.checkState(!fieldsFilters.isEmpty(), "An empty list of subtree filters is not allowed");
189 final Element element = newFilterElement();
191 for (final FieldsFilter filter : fieldsFilters) {
193 NormalizedDataUtil.writeFilter(filter.path(), new DOMResult(element), ctx, null, filter.fields());
194 } catch (IOException | XMLStreamException e) {
195 throw new IllegalStateException(String.format(
196 "Unable to serialize filter element for path %s with fields: %s",
197 filter.path(), filter.fields()), e);
200 return buildFilterStructure(element);
203 private static Element newFilterElement() {
204 final var element = BLANK_DOCUMENT.createElementNS(NamespaceURN.BASE, "filter");
205 element.setAttribute("type", "subtree");
209 private static AnyxmlNode<?> buildFilterStructure(final Element element) {
210 return Builders.anyXmlBuilder()
211 .withNodeIdentifier(NETCONF_FILTER_NODEID)
212 .withValue(new DOMSource(element))
216 public static NodeIdentifier toId(final PathArgument arg) {
217 return arg instanceof NodeIdentifier nodeId ? nodeId : toId(arg.getNodeType());
220 public static NodeIdentifier toId(final QName nodeType) {
221 return new NodeIdentifier(nodeType);
224 public static Element getDataSubtree(final Document doc) {
225 return (Element) doc.getElementsByTagNameNS(NamespaceURN.BASE, "data").item(0);
228 public static boolean isDataRetrievalOperation(final QName rpc) {
229 return YangConstants.NETCONF_NAMESPACE.equals(rpc.getNamespace())
230 && (GetConfig.QNAME.getLocalName().equals(rpc.getLocalName())
231 || Get.QNAME.getLocalName().equals(rpc.getLocalName()));
235 public static @NonNull ContainerNode wrap(final QName name, final DataContainerChild... node) {
236 return wrap(toId(name), node);
239 public static @NonNull ContainerNode wrap(final NodeIdentifier name, final DataContainerChild... node) {
240 return Builders.containerBuilder().withNodeIdentifier(name).withValue(ImmutableList.copyOf(node)).build();
244 * Create edit-config structure to invoke {@code operation} with {@code lastChildOverride} data on {@code dataPath}.
246 * @param ctx {@link EffectiveModelContext} device's model context
247 * @param dataPath {@link YangInstanceIdentifier} path to data in device's data-store
248 * @param operation Optional of {@link EffectiveOperation} action to be invoked
249 * @param lastChildOverride Optional of {@code NormalizedNode} data on which action will be invoked
250 * @return {@link DOMSourceAnyxmlNode} containing edit-config structure
252 public static DOMSourceAnyxmlNode createEditConfigAnyxml(
253 final EffectiveModelContext ctx, final YangInstanceIdentifier dataPath,
254 final Optional<EffectiveOperation> operation, final Optional<NormalizedNode> lastChildOverride) {
255 if (dataPath.isEmpty()) {
256 final var override = lastChildOverride.orElseThrow(() -> new IllegalArgumentException(
257 "Data has to be present when creating structure for top level element"));
258 Preconditions.checkArgument(override instanceof DataContainerChild,
259 "Data has to be either container or a list node when creating structure for top level element, "
260 + "but was: %s", override);
263 final var element = BLANK_DOCUMENT.createElementNS(NamespaceURN.BASE, XmlNetconfConstants.CONFIG_KEY);
264 final var metadata = operation.map(o -> leafMetadata(dataPath, o)).orElse(null);
266 if (lastChildOverride.isPresent()) {
267 // TODO do not transform this into result and then to xml, rework the whole pipeline to directly write
270 final var parentPath = dataPath.isEmpty() ? dataPath : dataPath.coerceParent();
271 var result = new NormalizationResultHolder();
272 try (var streamWriter = ImmutableNormalizedNodeStreamWriter.from(result)) {
273 try (var iidWriter = YangInstanceIdentifierWriter.open(streamWriter, ctx, parentPath);
274 var nnWriter = NormalizedNodeWriter.forStreamWriter(streamWriter)) {
275 nnWriter.write(lastChildOverride.orElseThrow());
278 NormalizedDataUtil.writeNormalizedNode(result.getResult().data(), metadata, new DOMResult(element), ctx,
281 NormalizedDataUtil.writeNormalizedNode(dataPath, metadata, new DOMResult(element), ctx, null);
283 } catch (final IOException | XMLStreamException e) {
284 throw new IllegalStateException("Unable to serialize edit config content element for path " + dataPath, e);
287 return Builders.anyXmlBuilder().withNodeIdentifier(NETCONF_CONFIG_NODEID).withValue(new DOMSource(element))
291 private static NormalizedMetadata leafMetadata(final YangInstanceIdentifier path, final EffectiveOperation oper) {
292 record BuilderAndArg(ImmutableNormalizedMetadata.Builder builder, PathArgument arg) {
294 requireNonNull(builder);
299 final var args = path.getPathArguments();
300 final var builders = new ArrayDeque<BuilderAndArg>(args.size());
302 // Step one: open builders
303 for (PathArgument arg : args) {
304 builders.push(new BuilderAndArg(ImmutableNormalizedMetadata.builder(), arg));
307 // Step two: set the top builder's metadata
308 builders.peek().builder.withAnnotation(NETCONF_OPERATION_QNAME_LEGACY, oper.xmlValue());
310 // Step three: build the tree
312 final var current = builders.pop();
313 final var currentMeta = current.builder.build();
314 final var parent = builders.peek();
315 if (parent != null) {
316 parent.builder.withChild(current.arg, currentMeta);
323 public static DataContainerChild createEditConfigStructure(final EffectiveModelContext ctx,
324 final YangInstanceIdentifier dataPath, final Optional<EffectiveOperation> operation,
325 final Optional<NormalizedNode> lastChildOverride) {
326 return Builders.choiceBuilder().withNodeIdentifier(EDIT_CONTENT_NODEID)
327 .withChild(createEditConfigAnyxml(ctx, dataPath, operation, lastChildOverride)).build();
330 public static @NonNull Absolute toPath(final QName rpc) {
331 return Absolute.of(rpc);
334 public static Map.Entry<Instant, XmlElement> stripNotification(final NetconfMessage message) {
335 final XmlElement xmlElement = XmlElement.fromDomDocument(message.getDocument());
336 final List<XmlElement> childElements = xmlElement.getChildElements();
337 Preconditions.checkArgument(childElements.size() == 2, "Unable to parse notification %s, unexpected format."
338 + "\nExpected 2 childElements, actual childElements size is %s", message, childElements.size());
340 final XmlElement eventTimeElement;
341 final XmlElement notificationElement;
343 if (childElements.get(0).getName().equals(XmlNetconfConstants.EVENT_TIME)) {
344 eventTimeElement = childElements.get(0);
345 notificationElement = childElements.get(1);
346 } else if (childElements.get(1).getName().equals(XmlNetconfConstants.EVENT_TIME)) {
347 eventTimeElement = childElements.get(1);
348 notificationElement = childElements.get(0);
350 throw new IllegalArgumentException(
351 "Notification payload does not contain " + XmlNetconfConstants.EVENT_TIME + " " + message);
356 NotificationMessage.RFC3339_DATE_PARSER.apply(eventTimeElement.getTextContent()),
357 notificationElement);
358 } catch (final DocumentedException e) {
359 throw new IllegalArgumentException(
360 "Notification payload does not contain " + XmlNetconfConstants.EVENT_TIME + " " + message, e);
361 } catch (final DateTimeParseException e) {
362 LOG.warn("Unable to parse event time from {}. Setting time to {}", eventTimeElement,
363 NotificationMessage.UNKNOWN_EVENT_TIME, e);
364 return Map.entry(NotificationMessage.UNKNOWN_EVENT_TIME, notificationElement);
368 public static DOMResult prepareDomResultForRpcRequest(final QName rpcQName, final MessageCounter counter) {
369 final Document document = XmlUtil.newDocument();
370 final Element rpcNS =
371 document.createElementNS(NETCONF_RPC_QNAME.getNamespace().toString(), NETCONF_RPC_QNAME.getLocalName());
373 rpcNS.setAttribute(XmlNetconfConstants.MESSAGE_ID, counter.getNewMessageId(MESSAGE_ID_PREFIX));
374 final Element elementNS = document.createElementNS(rpcQName.getNamespace().toString(), rpcQName.getLocalName());
375 rpcNS.appendChild(elementNS);
376 document.appendChild(rpcNS);
377 return new DOMResult(elementNS);
380 public static DOMResult prepareDomResultForActionRequest(final DataSchemaContextTree dataSchemaContextTree,
381 final DOMDataTreeIdentifier domDataTreeIdentifier, final MessageCounter counter, final QName action) {
382 final Document document = XmlUtil.newDocument();
383 final Element rpcNS =
384 document.createElementNS(NETCONF_RPC_QNAME.getNamespace().toString(), NETCONF_RPC_QNAME.getLocalName());
386 rpcNS.setAttribute(XmlNetconfConstants.MESSAGE_ID, counter.getNewMessageId(MESSAGE_ID_PREFIX));
388 final Element actionNS = document.createElementNS(YangConstants.RFC6020_YANG_NAMESPACE_STRING, "action");
389 final DataSchemaContext rootSchemaContextNode = dataSchemaContextTree.getRoot();
390 final Element actionData = prepareActionData(rootSchemaContextNode, actionNS,
391 domDataTreeIdentifier.getRootIdentifier().getPathArguments().iterator(), document);
393 final Element specificActionElement =
394 document.createElementNS(action.getNamespace().toString(), action.getLocalName());
395 actionData.appendChild(specificActionElement);
396 rpcNS.appendChild(actionNS);
397 document.appendChild(rpcNS);
398 return new DOMResult(specificActionElement);
401 private static Element prepareActionData(final DataSchemaContext currentParentSchemaNode,
402 final Element actionNS, final Iterator<PathArgument> iterator, final Document document) {
403 if (iterator.hasNext()) {
404 final PathArgument next = iterator.next();
406 final DataSchemaContext current = currentParentSchemaNode instanceof DataSchemaContext.Composite composite
407 ? composite.childByArg(next) : null;
408 Preconditions.checkArgument(current != null, "Invalid input: schema for argument %s not found", next);
410 if (current instanceof PathMixin) {
411 return prepareActionData(current, actionNS, iterator, document);
414 final QName actualNS = next.getNodeType();
415 final Element actualElement = document.createElementNS(actualNS.getNamespace().toString(),
416 actualNS.getLocalName());
417 if (next instanceof NodeWithValue) {
418 actualElement.setNodeValue(((NodeWithValue<?>) next).getValue().toString());
419 } else if (next instanceof NodeIdentifierWithPredicates) {
420 for (Entry<QName, Object> entry : ((NodeIdentifierWithPredicates) next).entrySet()) {
421 final Element entryElement = document.createElementNS(entry.getKey().getNamespace().toString(),
422 entry.getKey().getLocalName());
423 entryElement.setTextContent(entry.getValue().toString());
424 entryElement.setNodeValue(entry.getValue().toString());
425 actualElement.appendChild(entryElement);
428 actionNS.appendChild(actualElement);
429 return prepareActionData(current, actualElement, iterator, document);
435 public static void writeNormalizedOperationInput(final ContainerNode normalized, final DOMResult result,
436 final Absolute operationPath, final EffectiveModelContext baseNetconfCtx)
437 throws IOException, XMLStreamException {
438 final var stack = SchemaInferenceStack.of(baseNetconfCtx, operationPath);
439 stack.enterSchemaTree(YangConstants.operationInputQName(operationPath.lastNodeIdentifier().getModule()));
440 final var inputInference = stack.toSchemaTreeInference();
442 final XMLStreamWriter writer = NormalizedDataUtil.XML_FACTORY.createXMLStreamWriter(result);
444 try (NormalizedNodeStreamWriter normalizedNodeStreamWriter =
445 XMLStreamNormalizedNodeStreamWriter.create(writer, inputInference)) {
446 try (SchemaOrderedNormalizedNodeWriter normalizedNodeWriter =
447 new SchemaOrderedNormalizedNodeWriter(normalizedNodeStreamWriter, inputInference)) {
448 final Collection<DataContainerChild> value = normalized.body();
449 normalizedNodeWriter.write(value);
450 normalizedNodeWriter.flush();
456 } catch (final XMLStreamException e) {
457 LOG.warn("Unable to close resource properly", e);