import java.io.IOException;
import java.net.URI;
import java.util.ArrayDeque;
-import java.util.ArrayList;
import java.util.Collections;
import java.util.Deque;
import java.util.HashSet;
-import java.util.List;
import java.util.Set;
-import org.opendaylight.yangtools.yang.common.QName;
+import javax.xml.transform.dom.DOMSource;
+import org.opendaylight.yangtools.util.xml.UntrustedXML;
import org.opendaylight.yangtools.yang.data.api.schema.stream.NormalizedNodeStreamWriter;
-import org.opendaylight.yangtools.yang.model.api.AnyXmlSchemaNode;
+import org.opendaylight.yangtools.yang.data.util.AbstractNodeDataWithSchema;
+import org.opendaylight.yangtools.yang.data.util.AnyXmlNodeDataWithSchema;
+import org.opendaylight.yangtools.yang.data.util.CompositeNodeDataWithSchema;
+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.ParserStreamUtils;
+import org.opendaylight.yangtools.yang.data.util.RpcAsContainer;
+import org.opendaylight.yangtools.yang.data.util.SimpleNodeDataWithSchema;
import org.opendaylight.yangtools.yang.model.api.ChoiceCaseNode;
import org.opendaylight.yangtools.yang.model.api.ChoiceSchemaNode;
import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
import org.opendaylight.yangtools.yang.model.api.RpcDefinition;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
import org.opendaylight.yangtools.yang.model.api.SchemaNode;
+import org.opendaylight.yangtools.yang.model.api.TypedSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.YangModeledAnyXmlSchemaNode;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.Text;
/**
* This class parses JSON elements from a GSON JsonReader. It disallows multiple elements of the same name unlike the
*/
@Beta
public final class JsonParserStream implements Closeable, Flushable {
+ static final String ANYXML_ARRAY_ELEMENT_ID = "array-element";
+
private final Deque<URI> namespaces = new ArrayDeque<>();
private final NormalizedNodeStreamWriter writer;
private final JSONCodecFactory codecs;
private final SchemaContext schema;
private final DataSchemaNode parentNode;
- private JsonParserStream(final NormalizedNodeStreamWriter writer, final SchemaContext schemaContext, final DataSchemaNode parentNode) {
+ private JsonParserStream(final NormalizedNodeStreamWriter writer, final SchemaContext schemaContext,
+ final DataSchemaNode parentNode) {
this.schema = Preconditions.checkNotNull(schemaContext);
this.writer = Preconditions.checkNotNull(writer);
this.codecs = JSONCodecFactory.create(schemaContext);
this.parentNode = parentNode;
}
- public static JsonParserStream create(final NormalizedNodeStreamWriter writer, final SchemaContext schemaContext, final SchemaNode parentNode ) {
- if(parentNode instanceof RpcDefinition) {
+ public static JsonParserStream create(final NormalizedNodeStreamWriter writer, final SchemaContext schemaContext,
+ final SchemaNode parentNode ) {
+ if (parentNode instanceof RpcDefinition) {
return new JsonParserStream(writer, schemaContext, new RpcAsContainer((RpcDefinition) parentNode));
}
Preconditions.checkArgument(parentNode instanceof DataSchemaNode, "Instance of DataSchemaNode class awaited.");
return new JsonParserStream(writer, schemaContext, schemaContext);
}
- public JsonParserStream parse(final JsonReader reader) throws JsonIOException, JsonSyntaxException {
+ public JsonParserStream parse(final JsonReader reader) {
// code copied from gson's JsonParser and Stream classes
final boolean lenient = reader.isLenient();
compositeNodeDataWithSchema.write(writer);
return this;
- // return read(reader);
} catch (final EOFException e) {
if (isEmpty) {
return this;
- // return JsonNull.INSTANCE;
}
// The stream ended prematurely so it is likely a syntax error.
throw new JsonSyntaxException(e);
- } catch (final MalformedJsonException e) {
+ } catch (final MalformedJsonException | NumberFormatException e) {
throw new JsonSyntaxException(e);
} catch (final IOException e) {
throw new JsonIOException(e);
- } catch (final NumberFormatException e) {
- throw new JsonSyntaxException(e);
} catch (StackOverflowError | OutOfMemoryError e) {
throw new JsonParseException("Failed parsing JSON source: " + reader + " to Json", e);
} finally {
}
}
- private final void setValue(final AbstractNodeDataWithSchema parent, final String value) {
- Preconditions.checkArgument(parent instanceof SimpleNodeDataWithSchema, "Node %s is not a simple type", parent);
+ private void traverseAnyXmlValue(final JsonReader in, final Document doc, final Element parentElement)
+ throws IOException {
+ switch (in.peek()) {
+ case STRING:
+ case NUMBER:
+ Text textNode = doc.createTextNode(in.nextString());
+ parentElement.appendChild(textNode);
+ break;
+ case BOOLEAN:
+ textNode = doc.createTextNode(Boolean.toString(in.nextBoolean()));
+ parentElement.appendChild(textNode);
+ break;
+ case NULL:
+ in.nextNull();
+ textNode = doc.createTextNode("null");
+ parentElement.appendChild(textNode);
+ break;
+ case BEGIN_ARRAY:
+ in.beginArray();
+ while (in.hasNext()) {
+ final Element childElement = doc.createElement(ANYXML_ARRAY_ELEMENT_ID);
+ parentElement.appendChild(childElement);
+ traverseAnyXmlValue(in, doc, childElement);
+ }
+ in.endArray();
+ break;
+ case BEGIN_OBJECT:
+ in.beginObject();
+ while (in.hasNext()) {
+ final Element childElement = doc.createElement(in.nextName());
+ parentElement.appendChild(childElement);
+ traverseAnyXmlValue(in, doc, childElement);
+ }
+ in.endObject();
+ case END_DOCUMENT:
+ case NAME:
+ case END_OBJECT:
+ case END_ARRAY:
+ break;
+ }
+ }
+
+ private void readAnyXmlValue(final JsonReader in, final AnyXmlNodeDataWithSchema parent,
+ final String anyXmlObjectName) throws IOException {
+ final String anyXmlObjectNS = getCurrentNamespace().toString();
+ final Document doc = UntrustedXML.newDocumentBuilder().newDocument();
+ final Element rootElement = doc.createElementNS(anyXmlObjectNS, anyXmlObjectName);
+ doc.appendChild(rootElement);
+ traverseAnyXmlValue(in, doc, rootElement);
- final Object translatedValue = translateValueByType(value, parent.getSchema());
- ((SimpleNodeDataWithSchema) parent).setValue(translatedValue);
+ final DOMSource domSource = new DOMSource(doc.getDocumentElement());
+ parent.setValue(domSource);
}
public void read(final JsonReader in, AbstractNodeDataWithSchema parent) throws IOException {
case BEGIN_ARRAY:
in.beginArray();
while (in.hasNext()) {
- final AbstractNodeDataWithSchema newChild = newArrayEntry(parent);
- read(in, newChild);
+ if (parent instanceof LeafNodeDataWithSchema) {
+ read(in, parent);
+ } else {
+ final AbstractNodeDataWithSchema newChild = newArrayEntry(parent);
+ read(in, newChild);
+ }
}
in.endArray();
return;
* without wrapping array.
*
*/
- if(isArray(parent)) {
+ if (isArray(parent)) {
parent = newArrayEntry(parent);
}
while (in.hasNext()) {
final String jsonElementName = in.nextName();
- final NamespaceAndName namespaceAndName = resolveNamespace(jsonElementName, parent.getSchema());
+ DataSchemaNode parentSchema = parent.getSchema();
+ if (parentSchema instanceof YangModeledAnyXmlSchemaNode) {
+ parentSchema = ((YangModeledAnyXmlSchemaNode) parentSchema).getSchemaOfAnyXmlData();
+ }
+ final NamespaceAndName namespaceAndName = resolveNamespace(jsonElementName, parentSchema);
final String localName = namespaceAndName.getName();
addNamespace(namespaceAndName.getUri());
if (namesakes.contains(jsonElementName)) {
throw new JsonSyntaxException("Duplicate name " + jsonElementName + " in JSON input.");
}
namesakes.add(jsonElementName);
- final Deque<DataSchemaNode> childDataSchemaNodes = findSchemaNodeByNameAndNamespace(parent.getSchema(),
- localName, getCurrentNamespace());
+
+ final Deque<DataSchemaNode> childDataSchemaNodes =
+ ParserStreamUtils.findSchemaNodeByNameAndNamespace(parentSchema, localName, getCurrentNamespace());
if (childDataSchemaNodes.isEmpty()) {
throw new IllegalStateException("Schema for node with name " + localName + " and namespace "
+ getCurrentNamespace() + " doesn't exist.");
}
final AbstractNodeDataWithSchema newChild = ((CompositeNodeDataWithSchema) parent).addChild(childDataSchemaNodes);
- /*
- * FIXME:anyxml data shouldn't be skipped but should be loaded somehow.
- * will be able to load anyxml which conforms to YANG data using these
- * parser, for other anyxml will be harder.
- */
if (newChild instanceof AnyXmlNodeDataWithSchema) {
- in.skipValue();
+ readAnyXmlValue(in, (AnyXmlNodeDataWithSchema) newChild, jsonElementName);
} else {
read(in, newChild);
}
}
}
- private boolean isArray(final AbstractNodeDataWithSchema parent) {
- return parent instanceof ListNodeDataWithSchema || parent instanceof ListNodeDataWithSchema;
+ private static boolean isArray(final AbstractNodeDataWithSchema parent) {
+ return parent instanceof ListNodeDataWithSchema || parent instanceof LeafListNodeDataWithSchema;
}
- private AbstractNodeDataWithSchema newArrayEntry(final AbstractNodeDataWithSchema parent) {
+ private static AbstractNodeDataWithSchema newArrayEntry(final AbstractNodeDataWithSchema parent) {
AbstractNodeDataWithSchema newChild;
if (parent instanceof ListNodeDataWithSchema) {
newChild = new ListEntryNodeDataWithSchema(parent.getSchema());
} else if (parent instanceof LeafListNodeDataWithSchema) {
newChild = new LeafListEntryNodeDataWithSchema(parent.getSchema());
} else {
- throw new IllegalStateException("Incorrec nesting caused by parser.");
+ throw new IllegalStateException("Found an unexpected array nested under "+ parent.getSchema().getQName());
}
((CompositeNodeDataWithSchema) parent).addChild(newChild);
return newChild;
}
+ private void setValue(final AbstractNodeDataWithSchema parent, final String value) {
+ Preconditions.checkArgument(parent instanceof SimpleNodeDataWithSchema, "Node %s is not a simple type",
+ parent.getSchema().getQName());
+ final SimpleNodeDataWithSchema parentSimpleNode = (SimpleNodeDataWithSchema) parent;
+ Preconditions.checkArgument(parentSimpleNode.getValue() == null, "Node '%s' has already set its value to '%s'",
+ parentSimpleNode.getSchema().getQName(), parentSimpleNode.getValue());
+
+ final Object translatedValue = translateValueByType(value, parentSimpleNode.getSchema());
+ parentSimpleNode.setValue(translatedValue);
+ }
+
private Object translateValueByType(final String value, final DataSchemaNode node) {
- if (node instanceof AnyXmlSchemaNode) {
- /*
- * FIXME: Figure out some YANG extension dispatch, which will
- * reuse JSON parsing or XML parsing - anyxml is not well-defined in
- * JSON.
- */
- return value;
- }
- return codecs.codecFor(node).deserialize(value);
+ Preconditions.checkArgument(node instanceof TypedSchemaNode);
+ return codecs.codecFor((TypedSchemaNode) node).parseValue(null, value);
}
private void removeNamespace() {
} else if (potentialUris.size() > 1) {
throw new IllegalStateException("Choose suitable module name for element "+nodeNamePart+":"+toModuleNames(potentialUris));
} else if (potentialUris.isEmpty()) {
- throw new IllegalStateException("Schema node with name "+nodeNamePart+" wasn't found.");
+ throw new IllegalStateException("Schema node with name "+nodeNamePart+" wasn't found under "+dataSchemaNode.getQName()+".");
}
}
return namespaces.peek();
}
- /**
- * Returns stack of schema nodes via which it was necessary to pass to get schema node with specified
- * {@code childName} and {@code namespace}
- *
- * @param dataSchemaNode
- * @param childName
- * @param namespace
- * @return stack of schema nodes via which it was passed through. If found schema node is direct child then stack
- * contains only one node. If it is found under choice and case then stack should contains 2*n+1 element
- * (where n is number of choices through it was passed)
- */
- private Deque<DataSchemaNode> findSchemaNodeByNameAndNamespace(final DataSchemaNode dataSchemaNode,
- final String childName, final URI namespace) {
- final Deque<DataSchemaNode> result = new ArrayDeque<>();
- final List<ChoiceSchemaNode> childChoices = new ArrayList<>();
- DataSchemaNode potentialChildNode = null;
- if (dataSchemaNode instanceof DataNodeContainer) {
- for (final DataSchemaNode childNode : ((DataNodeContainer) dataSchemaNode).getChildNodes()) {
- if (childNode instanceof ChoiceSchemaNode) {
- childChoices.add((ChoiceSchemaNode) childNode);
- } else {
- final QName childQName = childNode.getQName();
-
- if (childQName.getLocalName().equals(childName) && childQName.getNamespace().equals(namespace)) {
- if (potentialChildNode == null ||
- childQName.getRevision().after(potentialChildNode.getQName().getRevision())) {
- potentialChildNode = childNode;
- }
- }
- }
- }
- }
- if (potentialChildNode != null) {
- result.push(potentialChildNode);
- return result;
- }
- // try to find data schema node in choice (looking for first match)
- for (final ChoiceSchemaNode choiceNode : childChoices) {
- for (final ChoiceCaseNode concreteCase : choiceNode.getCases()) {
- final Deque<DataSchemaNode> resultFromRecursion = findSchemaNodeByNameAndNamespace(concreteCase, childName,
- namespace);
- if (!resultFromRecursion.isEmpty()) {
- resultFromRecursion.push(concreteCase);
- resultFromRecursion.push(choiceNode);
- return resultFromRecursion;
- }
- }
- }
- return result;
- }
private static class NamespaceAndName {
private final URI uri;
Code Review / yangtools.git / blobdiff