use of org.opendaylight.yangtools.yang.data.util.ContainerNodeDataWithSchema in project yangtools by opendaylight.
the class XmlParserStream method read.
private void read(final XMLStreamReader in, final AbstractNodeDataWithSchema<?> parent, final String rootElement) throws XMLStreamException {
if (!in.hasNext()) {
return;
}
if (parent instanceof LeafNodeDataWithSchema || parent instanceof LeafListEntryNodeDataWithSchema) {
parent.setAttributes(getElementAttributes(in));
setValue((SimpleNodeDataWithSchema<?>) parent, in.getElementText().trim(), in.getNamespaceContext());
if (isNextEndDocument(in)) {
return;
}
if (!isAtElement(in)) {
in.nextTag();
}
return;
}
if (parent instanceof ListEntryNodeDataWithSchema || parent instanceof ContainerNodeDataWithSchema) {
parent.setAttributes(getElementAttributes(in));
}
if (parent instanceof LeafListNodeDataWithSchema || parent instanceof ListNodeDataWithSchema) {
String xmlElementName = in.getLocalName();
while (xmlElementName.equals(parent.getSchema().getQName().getLocalName())) {
read(in, newEntryNode(parent), rootElement);
if (in.getEventType() == XMLStreamConstants.END_DOCUMENT || in.getEventType() == XMLStreamConstants.END_ELEMENT) {
break;
}
xmlElementName = in.getLocalName();
}
return;
}
if (parent instanceof AnyXmlNodeDataWithSchema) {
setValue((AnyXmlNodeDataWithSchema) parent, readAnyXmlValue(in), in.getNamespaceContext());
if (isNextEndDocument(in)) {
return;
}
if (!isAtElement(in)) {
in.nextTag();
}
return;
}
if (parent instanceof AnydataNodeDataWithSchema) {
final AnydataNodeDataWithSchema anydata = (AnydataNodeDataWithSchema) parent;
anydata.setObjectModel(DOMSourceAnydata.class);
anydata.setAttributes(getElementAttributes(in));
setValue(anydata, readAnyXmlValue(in), in.getNamespaceContext());
if (isNextEndDocument(in)) {
return;
}
if (!isAtElement(in)) {
in.nextTag();
}
return;
}
switch(in.nextTag()) {
case XMLStreamConstants.START_ELEMENT:
// FIXME: 7.0.0: why do we even need this tracker? either document it or remove it.
// it looks like it is a crude duplicate finder, which should really be handled via
// ChildReusePolicy.REJECT
final Set<Entry<String, String>> namesakes = new HashSet<>();
while (in.hasNext()) {
final String xmlElementName = in.getLocalName();
final DataSchemaNode parentSchema = parent.getSchema();
final String parentSchemaName = parentSchema.getQName().getLocalName();
if (parentSchemaName.equals(xmlElementName) && in.getEventType() == XMLStreamConstants.END_ELEMENT) {
if (isNextEndDocument(in)) {
break;
}
if (!isAtElement(in)) {
in.nextTag();
}
break;
}
if (in.isEndElement() && rootElement.equals(xmlElementName)) {
break;
}
final String elementNS = in.getNamespaceURI();
final boolean added = namesakes.add(new SimpleImmutableEntry<>(elementNS, xmlElementName));
final XMLNamespace nsUri;
try {
nsUri = rawXmlNamespace(elementNS).getNamespace();
} catch (IllegalArgumentException e) {
throw new XMLStreamException("Failed to convert namespace " + xmlElementName, in.getLocation(), e);
}
final Deque<DataSchemaNode> childDataSchemaNodes = ParserStreamUtils.findSchemaNodeByNameAndNamespace(parentSchema, xmlElementName, nsUri);
if (!childDataSchemaNodes.isEmpty()) {
final boolean elementList = isElementList(childDataSchemaNodes);
if (!added && !elementList) {
throw new XMLStreamException(String.format("Duplicate element \"%s\" in namespace \"%s\" with parent \"%s\" in XML input", xmlElementName, elementNS, parentSchema), in.getLocation());
}
// We have a match, proceed with it
final QName qname = childDataSchemaNodes.peekLast().getQName();
final AbstractNodeDataWithSchema<?> child = ((CompositeNodeDataWithSchema<?>) parent).addChild(childDataSchemaNodes, elementList ? ChildReusePolicy.REUSE : ChildReusePolicy.NOOP);
stack.enterDataTree(qname);
read(in, child, rootElement);
stack.exit();
continue;
}
if (parent instanceof AbstractMountPointDataWithSchema) {
// Parent can potentially hold a mount point, let's see if there is a label present
final Optional<MountPointSchemaNode> optMount;
if (parentSchema instanceof ContainerSchemaNode) {
optMount = MountPointSchemaNode.streamAll((ContainerSchemaNode) parentSchema).findFirst();
} else if (parentSchema instanceof ListSchemaNode) {
optMount = MountPointSchemaNode.streamAll((ListSchemaNode) parentSchema).findFirst();
} else {
throw new XMLStreamException("Unhandled mount-aware schema " + parentSchema, in.getLocation());
}
if (optMount.isPresent()) {
final MountPointIdentifier mountId = MountPointIdentifier.of(optMount.get().getQName());
LOG.debug("Assuming node {} and namespace {} belongs to mount point {}", xmlElementName, nsUri, mountId);
final Optional<MountPointContextFactory> optFactory = codecs.mountPointContext().findMountPoint(mountId);
if (optFactory.isPresent()) {
final MountPointData mountData = ((AbstractMountPointDataWithSchema<?>) parent).getMountPointData(mountId, optFactory.get());
addMountPointChild(mountData, nsUri, xmlElementName, new DOMSource(readAnyXmlValue(in).getDocumentElement()));
continue;
}
LOG.debug("Mount point {} not attached", mountId);
}
}
// We have not handled the node -- let's decide what to do about that
if (strictParsing) {
throw new XMLStreamException(String.format("Schema for node with name %s and namespace %s does not exist in parent %s", xmlElementName, elementNS, parentSchema), in.getLocation());
}
LOG.debug("Skipping unknown node ns=\"{}\" localName=\"{}\" in parent {}", elementNS, xmlElementName, parentSchema);
skipUnknownNode(in);
}
break;
case XMLStreamConstants.END_ELEMENT:
if (isNextEndDocument(in)) {
break;
}
if (!isAtElement(in)) {
in.nextTag();
}
break;
default:
break;
}
}
use of org.opendaylight.yangtools.yang.data.util.ContainerNodeDataWithSchema in project yangtools by opendaylight.
the class XmlParserStream method parse.
/**
* This method parses the XML source and emits node events into a NormalizedNodeStreamWriter based on the
* YANG-modeled data contained in the XML source.
*
* @param reader
* StAX reader which is to used to walk through the XML source
* @return
* instance of XmlParserStream
* @throws XMLStreamException
* if a well-formedness error or an unexpected processing condition occurs while parsing the XML
* @throws URISyntaxException
* if the namespace URI of an XML element contains a syntax error
* @throws IOException
* if an error occurs while parsing the value of an anyxml node
* @throws SAXException
* if an error occurs while parsing the value of an anyxml node
*/
public XmlParserStream parse(final XMLStreamReader reader) throws XMLStreamException, URISyntaxException, IOException, SAXException {
if (reader.hasNext()) {
reader.nextTag();
final AbstractNodeDataWithSchema<?> nodeDataWithSchema;
if (parentNode instanceof ContainerLike) {
nodeDataWithSchema = new ContainerNodeDataWithSchema((ContainerLike) parentNode);
} else if (parentNode instanceof ListSchemaNode) {
nodeDataWithSchema = new ListNodeDataWithSchema((ListSchemaNode) parentNode);
} else if (parentNode instanceof AnyxmlSchemaNode) {
nodeDataWithSchema = new AnyXmlNodeDataWithSchema((AnyxmlSchemaNode) parentNode);
} else if (parentNode instanceof LeafSchemaNode) {
nodeDataWithSchema = new LeafNodeDataWithSchema((LeafSchemaNode) parentNode);
} else if (parentNode instanceof LeafListSchemaNode) {
nodeDataWithSchema = new LeafListNodeDataWithSchema((LeafListSchemaNode) parentNode);
} else if (parentNode instanceof AnydataSchemaNode) {
nodeDataWithSchema = new AnydataNodeDataWithSchema((AnydataSchemaNode) parentNode);
} else {
throw new IllegalStateException("Unsupported schema node type " + parentNode.getClass() + ".");
}
read(reader, nodeDataWithSchema, reader.getLocalName());
nodeDataWithSchema.write(writer);
}
return this;
}
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