import java.net.URISyntaxException;
import java.util.AbstractMap.SimpleImmutableEntry;
import java.util.Deque;
+import java.util.HashMap;
import java.util.HashSet;
+import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Map.Entry;
import javax.xml.transform.dom.DOMResult;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stax.StAXSource;
-import org.opendaylight.yangtools.odlext.model.api.YangModeledAnyXmlSchemaNode;
+import org.opendaylight.yangtools.odlext.model.api.YangModeledAnyxmlSchemaNode;
import org.opendaylight.yangtools.rfc7952.model.api.AnnotationSchemaNode;
+import org.opendaylight.yangtools.rfc8528.data.api.MountPointContext;
+import org.opendaylight.yangtools.rfc8528.data.api.MountPointContextFactory;
+import org.opendaylight.yangtools.rfc8528.data.api.MountPointIdentifier;
+import org.opendaylight.yangtools.rfc8528.data.api.YangLibraryConstants;
+import org.opendaylight.yangtools.rfc8528.data.api.YangLibraryConstants.ContainerName;
+import org.opendaylight.yangtools.rfc8528.model.api.MountPointSchemaNode;
+import org.opendaylight.yangtools.rfc8528.model.api.SchemaMountConstants;
import org.opendaylight.yangtools.yang.common.QName;
import org.opendaylight.yangtools.yang.common.QNameModule;
import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter;
+import org.opendaylight.yangtools.yang.data.util.AbstractMountPointDataWithSchema;
import org.opendaylight.yangtools.yang.data.util.AbstractNodeDataWithSchema;
import org.opendaylight.yangtools.yang.data.util.AnyXmlNodeDataWithSchema;
+import org.opendaylight.yangtools.yang.data.util.AnydataNodeDataWithSchema;
import org.opendaylight.yangtools.yang.data.util.CompositeNodeDataWithSchema;
+import org.opendaylight.yangtools.yang.data.util.CompositeNodeDataWithSchema.ChildReusePolicy;
import org.opendaylight.yangtools.yang.data.util.ContainerNodeDataWithSchema;
import org.opendaylight.yangtools.yang.data.util.LeafListEntryNodeDataWithSchema;
import org.opendaylight.yangtools.yang.data.util.LeafListNodeDataWithSchema;
import org.opendaylight.yangtools.yang.data.util.LeafNodeDataWithSchema;
import org.opendaylight.yangtools.yang.data.util.ListEntryNodeDataWithSchema;
import org.opendaylight.yangtools.yang.data.util.ListNodeDataWithSchema;
+import org.opendaylight.yangtools.yang.data.util.MountPointData;
+import org.opendaylight.yangtools.yang.data.util.MultipleEntryDataWithSchema;
import org.opendaylight.yangtools.yang.data.util.OperationAsContainer;
import org.opendaylight.yangtools.yang.data.util.ParserStreamUtils;
import org.opendaylight.yangtools.yang.data.util.SimpleNodeDataWithSchema;
import org.opendaylight.yangtools.yang.data.util.YangModeledAnyXmlNodeDataWithSchema;
-import org.opendaylight.yangtools.yang.model.api.AnyXmlSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.AnydataSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.AnyxmlSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.ContainerLike;
import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
import org.opendaylight.yangtools.yang.model.api.LeafListSchemaNode;
import org.opendaylight.yangtools.yang.model.api.LeafSchemaNode;
import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
import org.opendaylight.yangtools.yang.model.api.Module;
import org.opendaylight.yangtools.yang.model.api.OperationDefinition;
-import org.opendaylight.yangtools.yang.model.api.SchemaContext;
import org.opendaylight.yangtools.yang.model.api.SchemaNode;
import org.opendaylight.yangtools.yang.model.api.TypedDataSchemaNode;
import org.slf4j.Logger;
TRANSFORMER_FACTORY = fa;
}
+ // Cache of nsUri Strings to QNameModules, as resolved in context
+ private final Map<String, Optional<QNameModule>> resolvedNamespaces = new HashMap<>();
+ // Cache of nsUri Strings to QNameModules, as inferred from document
+ private final Map<String, QNameModule> rawNamespaces = new HashMap<>();
private final NormalizedNodeStreamWriter writer;
private final XmlCodecFactory codecs;
private final DataSchemaNode parentNode;
/**
* Utility method for use when caching {@link XmlCodecFactory} is not feasible. Users with high performance
* requirements should use {@link #create(NormalizedNodeStreamWriter, XmlCodecFactory, SchemaNode)} instead and
- * maintain a {@link XmlCodecFactory} to match the current {@link SchemaContext}.
+ * maintain a {@link XmlCodecFactory} to match the current {@link EffectiveModelContext}.
*/
- public static XmlParserStream create(final NormalizedNodeStreamWriter writer, final SchemaContext schemaContext,
- final SchemaNode parentNode) {
+ public static XmlParserStream create(final NormalizedNodeStreamWriter writer,
+ final EffectiveModelContext schemaContext, final SchemaNode parentNode) {
return create(writer, schemaContext, parentNode, true);
}
/**
* Utility method for use when caching {@link XmlCodecFactory} is not feasible. Users with high performance
* requirements should use {@link #create(NormalizedNodeStreamWriter, XmlCodecFactory, SchemaNode)} instead and
- * maintain a {@link XmlCodecFactory} to match the current {@link SchemaContext}.
+ * maintain a {@link XmlCodecFactory} to match the current {@link EffectiveModelContext}.
*/
- public static XmlParserStream create(final NormalizedNodeStreamWriter writer, final SchemaContext schemaContext,
- final SchemaNode parentNode, final boolean strictParsing) {
+ public static XmlParserStream create(final NormalizedNodeStreamWriter writer,
+ final EffectiveModelContext schemaContext, final SchemaNode parentNode, final boolean strictParsing) {
return create(writer, XmlCodecFactory.create(schemaContext), parentNode, strictParsing);
}
+ /**
+ * Utility method for use when caching {@link XmlCodecFactory} is not feasible. Users with high performance
+ * requirements should use {@link #create(NormalizedNodeStreamWriter, XmlCodecFactory, SchemaNode)} instead and
+ * maintain a {@link XmlCodecFactory} to match the current {@link MountPointContext}.
+ */
+ public static XmlParserStream create(final NormalizedNodeStreamWriter writer, final MountPointContext mountCtx,
+ final SchemaNode parentNode) {
+ return create(writer, mountCtx, parentNode, true);
+ }
+
+ /**
+ * Utility method for use when caching {@link XmlCodecFactory} is not feasible. Users with high performance
+ * requirements should use {@link #create(NormalizedNodeStreamWriter, XmlCodecFactory, SchemaNode)} instead and
+ * maintain a {@link XmlCodecFactory} to match the current {@link MountPointContext}.
+ */
+ public static XmlParserStream create(final NormalizedNodeStreamWriter writer, final MountPointContext mountCtx,
+ final SchemaNode parentNode, final boolean strictParsing) {
+ return create(writer, XmlCodecFactory.create(mountCtx), parentNode, strictParsing);
+ }
+
/**
* This method parses the XML source and emits node events into a NormalizedNodeStreamWriter based on the
* YANG-modeled data contained in the XML source.
if (reader.hasNext()) {
reader.nextTag();
final AbstractNodeDataWithSchema<?> nodeDataWithSchema;
- if (parentNode instanceof ContainerSchemaNode) {
- nodeDataWithSchema = new ContainerNodeDataWithSchema((ContainerSchemaNode) parentNode);
+ if (parentNode instanceof ContainerLike) {
+ nodeDataWithSchema = new ContainerNodeDataWithSchema((ContainerLike) parentNode);
} else if (parentNode instanceof ListSchemaNode) {
nodeDataWithSchema = new ListNodeDataWithSchema((ListSchemaNode) parentNode);
- } else if (parentNode instanceof YangModeledAnyXmlSchemaNode) {
- nodeDataWithSchema = new YangModeledAnyXmlNodeDataWithSchema((YangModeledAnyXmlSchemaNode) parentNode);
- } else if (parentNode instanceof AnyXmlSchemaNode) {
- nodeDataWithSchema = new AnyXmlNodeDataWithSchema((AnyXmlSchemaNode) parentNode);
+ } else if (parentNode instanceof YangModeledAnyxmlSchemaNode) {
+ nodeDataWithSchema = new YangModeledAnyXmlNodeDataWithSchema((YangModeledAnyxmlSchemaNode) 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() + ".");
}
}
// Cross-relate attribute namespace to the module
- final URI uri = URI.create(attributeNS);
- final SchemaContext schemaContext = codecs.getSchemaContext();
- final Set<Module> modules = schemaContext.findModules(uri);
- if (!modules.isEmpty()) {
- final QName qname = QName.create(modules.iterator().next().getQNameModule(), localName);
- final Optional<AnnotationSchemaNode> optAnnotation = AnnotationSchemaNode.find(schemaContext, qname);
+ final Optional<QNameModule> optModule = resolveXmlNamespace(attributeNS);
+ if (optModule.isPresent()) {
+ final QName qname = QName.create(optModule.get(), localName);
+ final Optional<AnnotationSchemaNode> optAnnotation = AnnotationSchemaNode.find(
+ codecs.getEffectiveModelContext(), qname);
if (optAnnotation.isPresent()) {
final AnnotationSchemaNode schema = optAnnotation.get();
final Object value = codecs.codecFor(schema).parseValue(in.getNamespaceContext(), attrValue);
LOG.debug("Annotation for {} not found, using legacy QName", qname);
}
- attributes.put(QName.create(uri, localName), attrValue);
+ attributes.put(QName.create(rawXmlNamespace(attributeNS), localName), attrValue);
}
return ImmutableMap.copyOf(attributes);
}
private void read(final XMLStreamReader in, final AbstractNodeDataWithSchema<?> parent, final String rootElement)
- throws XMLStreamException, URISyntaxException {
+ throws XMLStreamException {
if (!in.hasNext()) {
return;
}
if (parent instanceof LeafNodeDataWithSchema || parent instanceof LeafListEntryNodeDataWithSchema) {
parent.setAttributes(getElementAttributes(in));
- setValue(parent, in.getElementText().trim(), in.getNamespaceContext());
+ setValue((SimpleNodeDataWithSchema<?>) parent, in.getElementText().trim(), in.getNamespaceContext());
if (isNextEndDocument(in)) {
return;
}
}
if (parent instanceof AnyXmlNodeDataWithSchema) {
- setValue(parent, readAnyXmlValue(in), in.getNamespaceContext());
+ 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;
}
return;
}
- if (parent instanceof YangModeledAnyXmlSchemaNode) {
+ if (parent instanceof YangModeledAnyxmlSchemaNode) {
parent.setAttributes(getElementAttributes(in));
}
switch (in.nextTag()) {
case XMLStreamConstants.START_ELEMENT:
- // FIXME: why do we even need this tracker? either document it or remove it
+ // 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();
break;
}
- if (parentSchema instanceof YangModeledAnyXmlSchemaNode) {
- parentSchema = ((YangModeledAnyXmlSchemaNode) parentSchema).getSchemaOfAnyXmlData();
+ if (parentSchema instanceof YangModeledAnyxmlSchemaNode) {
+ parentSchema = ((YangModeledAnyxmlSchemaNode) parentSchema).getSchemaOfAnyXmlData();
}
- final String xmlElementNamespace = in.getNamespaceURI();
- if (!namesakes.add(new SimpleImmutableEntry<>(xmlElementNamespace, xmlElementName))) {
- throw new XMLStreamException(String.format(
- "Duplicate namespace \"%s\" element \"%s\" in XML input", xmlElementNamespace,
- xmlElementName), in.getLocation());
+ final String elementNS = in.getNamespaceURI();
+ final boolean added = namesakes.add(new SimpleImmutableEntry<>(elementNS, xmlElementName));
+
+ final URI 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,
- new URI(xmlElementNamespace));
-
- if (childDataSchemaNodes.isEmpty()) {
- if (!strictParsing) {
- LOG.debug("Skipping unknown node ns=\"{}\" localName=\"{}\" at path {}",
- xmlElementNamespace, xmlElementName, parentSchema.getPath());
- skipUnknownNode(in);
- continue;
+ 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
+ read(in, ((CompositeNodeDataWithSchema<?>) parent).addChild(childDataSchemaNodes,
+ elementList ? ChildReusePolicy.REUSE : ChildReusePolicy.NOOP), rootElement);
+ 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 at %s",
- xmlElementName, xmlElementNamespace, parentSchema.getPath(), in.getLocation()));
+ "Schema for node with name %s and namespace %s does not exist at %s", xmlElementName,
+ elementNS, parentSchema.getPath()), in.getLocation());
}
- read(in, ((CompositeNodeDataWithSchema<?>) parent).addChild(childDataSchemaNodes), rootElement);
+ LOG.debug("Skipping unknown node ns=\"{}\" localName=\"{}\" at path {}", elementNS, xmlElementName,
+ parentSchema.getPath());
+ skipUnknownNode(in);
}
break;
case XMLStreamConstants.END_ELEMENT:
}
}
+ // Return true if schema represents a construct which uses multiple sibling elements to represent its content. The
+ // siblings MAY be interleaved as per RFC7950.
+ private static boolean isElementList(final Deque<DataSchemaNode> childDataSchemaNodes) {
+ final DataSchemaNode last = childDataSchemaNodes.getLast();
+ return last instanceof ListSchemaNode || last instanceof LeafListSchemaNode;
+ }
+
+ private static void addMountPointChild(final MountPointData mount, final URI namespace, final String localName,
+ final DOMSource source) {
+ final DOMSourceMountPointChild child = new DOMSourceMountPointChild(source);
+ if (YangLibraryConstants.MODULE_NAMESPACE.equals(namespace)) {
+ final Optional<ContainerName> optName = ContainerName.forLocalName(localName);
+ if (optName.isPresent()) {
+ mount.setContainer(optName.get(), child);
+ return;
+ }
+
+ LOG.warn("Encountered unknown element {} from YANG Library namespace", localName);
+ } else if (SchemaMountConstants.RFC8528_MODULE.getNamespace().equals(namespace)) {
+ mount.setSchemaMounts(child);
+ return;
+ }
+
+ mount.addChild(child);
+ }
+
private static boolean isNextEndDocument(final XMLStreamReader in) throws XMLStreamException {
return !in.hasNext() || in.next() == XMLStreamConstants.END_DOCUMENT;
}
in.nextTag();
}
-
- private void setValue(final AbstractNodeDataWithSchema<?> parent, final Object value,
+ private void setValue(final SimpleNodeDataWithSchema<?> parent, final Object value,
final NamespaceContext nsContext) {
- checkArgument(parent instanceof SimpleNodeDataWithSchema, "Node %s is not a simple type",
- parent.getSchema().getQName());
- final SimpleNodeDataWithSchema<?> parentSimpleNode = (SimpleNodeDataWithSchema<?>) parent;
- checkArgument(parentSimpleNode.getValue() == null, "Node '%s' has already set its value to '%s'",
- parentSimpleNode.getSchema().getQName(), parentSimpleNode.getValue());
-
- parentSimpleNode.setValue(translateValueByType(value, parentSimpleNode.getSchema(), nsContext));
+ final DataSchemaNode schema = parent.getSchema();
+ final Object prev = parent.getValue();
+ checkArgument(prev == null, "Node '%s' has already set its value to '%s'", schema.getQName(), prev);
+ parent.setValue(translateValueByType(value, schema, nsContext));
}
private Object translateValueByType(final Object value, final DataSchemaNode node,
final NamespaceContext namespaceCtx) {
- if (node instanceof AnyXmlSchemaNode) {
-
+ if (node instanceof AnyxmlSchemaNode) {
checkArgument(value instanceof Document);
/*
- * FIXME: Figure out some YANG extension dispatch, which will
- * reuse JSON parsing or XML parsing - anyxml is not well-defined in
- * JSON.
+ * FIXME: Figure out some YANG extension dispatch, which will reuse JSON parsing or XML parsing -
+ * anyxml is not well-defined in JSON.
*/
return new DOMSource(((Document) value).getDocumentElement());
}
+ if (node instanceof AnydataSchemaNode) {
+ checkArgument(value instanceof Document);
+ return new DOMSourceAnydata(new DOMSource(((Document) value).getDocumentElement()));
+ }
checkArgument(node instanceof TypedDataSchemaNode);
checkArgument(value instanceof String);
}
private static AbstractNodeDataWithSchema<?> newEntryNode(final AbstractNodeDataWithSchema<?> parent) {
- final AbstractNodeDataWithSchema<?> newChild;
- if (parent instanceof ListNodeDataWithSchema) {
- newChild = ListEntryNodeDataWithSchema.forSchema(((ListNodeDataWithSchema) parent).getSchema());
- } else {
- verify(parent instanceof LeafListNodeDataWithSchema, "Unexpected parent %s", parent);
- newChild = new LeafListEntryNodeDataWithSchema(((LeafListNodeDataWithSchema) parent).getSchema());
- }
- ((CompositeNodeDataWithSchema<?>) parent).addChild(newChild);
- return newChild;
+ verify(parent instanceof MultipleEntryDataWithSchema, "Unexpected parent %s", parent);
+ return ((MultipleEntryDataWithSchema<?>) parent).newChildEntry();
}
@Override
public void flush() throws IOException {
writer.flush();
}
+
+ private Optional<QNameModule> resolveXmlNamespace(final String xmlNamespace) {
+ return resolvedNamespaces.computeIfAbsent(xmlNamespace, nsUri -> {
+ final Iterator<? extends Module> it = codecs.getEffectiveModelContext().findModules(URI.create(nsUri))
+ .iterator();
+ return it.hasNext() ? Optional.of(it.next().getQNameModule()) : Optional.empty();
+ });
+ }
+
+ private QNameModule rawXmlNamespace(final String xmlNamespace) {
+ return rawNamespaces.computeIfAbsent(xmlNamespace, nsUri -> QNameModule.create(URI.create(nsUri)));
+ }
}