Examples with AbstractMountPointDataWithSchema org.opendaylight.yangtools.yang.data.util.AbstractMountPointDataWithSchema used on opensource projects

Example 1 with AbstractMountPointDataWithSchema

use of org.opendaylight.yangtools.yang.data.util.AbstractMountPointDataWithSchema 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;
    }
}