import static com.google.common.base.Preconditions.checkState;
public class XmlDocumentUtils {
- private static class ElementWithSchemaContext {
- Element element;
- SchemaContext schemaContext;
+ private static class ElementWithSchemaContext {
+ Element element;
+ SchemaContext schemaContext;
- ElementWithSchemaContext(final Element element,final SchemaContext schemaContext) {
- this.schemaContext = schemaContext;
- this.element = element;
- }
+ ElementWithSchemaContext(final Element element,final SchemaContext schemaContext) {
+ this.schemaContext = schemaContext;
+ this.element = element;
+ }
- Element getElement() {
- return element;
- }
+ Element getElement() {
+ return element;
+ }
- SchemaContext getSchemaContext() {
- return schemaContext;
- }
+ SchemaContext getSchemaContext() {
+ return schemaContext;
}
+ }
- public static final QName OPERATION_ATTRIBUTE_QNAME = QName.create(URI.create("urn:ietf:params:xml:ns:netconf:base:1.0"), null, "operation");
- private static final Logger logger = LoggerFactory.getLogger(XmlDocumentUtils.class);
- private static final XMLOutputFactory FACTORY = XMLOutputFactory.newFactory();
-
- /**
- * Converts Data DOM structure to XML Document for specified XML Codec Provider and corresponding
- * Data Node Container schema. The CompositeNode data parameter enters as root of Data DOM tree and will
- * be transformed to root in XML Document. Each element of Data DOM tree is compared against specified Data
- * Node Container Schema and transformed accordingly.
- *
- * @param data Data DOM root element
- * @param schema Data Node Container Schema
- * @param codecProvider XML Codec Provider
- * @return new instance of XML Document
- * @throws javax.activation.UnsupportedDataTypeException
- */
- public static Document toDocument(final CompositeNode data, final DataNodeContainer schema, final XmlCodecProvider codecProvider)
- throws UnsupportedDataTypeException {
- Preconditions.checkNotNull(data);
- Preconditions.checkNotNull(schema);
-
- if (!(schema instanceof ContainerSchemaNode || schema instanceof ListSchemaNode)) {
- throw new UnsupportedDataTypeException("Schema can be ContainerSchemaNode or ListSchemaNode. Other types are not supported yet.");
- }
+ public static final QName OPERATION_ATTRIBUTE_QNAME = QName.create(URI.create("urn:ietf:params:xml:ns:netconf:base:1.0"), null, "operation");
+ private static final Logger logger = LoggerFactory.getLogger(XmlDocumentUtils.class);
+ private static final XMLOutputFactory FACTORY = XMLOutputFactory.newFactory();
+
+ /**
+ * Converts Data DOM structure to XML Document for specified XML Codec Provider and corresponding
+ * Data Node Container schema. The CompositeNode data parameter enters as root of Data DOM tree and will
+ * be transformed to root in XML Document. Each element of Data DOM tree is compared against specified Data
+ * Node Container Schema and transformed accordingly.
+ *
+ * @param data Data DOM root element
+ * @param schema Data Node Container Schema
+ * @param codecProvider XML Codec Provider
+ * @return new instance of XML Document
+ * @throws javax.activation.UnsupportedDataTypeException
+ */
+ public static Document toDocument(final CompositeNode data, final DataNodeContainer schema, final XmlCodecProvider codecProvider)
+ throws UnsupportedDataTypeException {
+ Preconditions.checkNotNull(data);
+ Preconditions.checkNotNull(schema);
+
+ if (!(schema instanceof ContainerSchemaNode || schema instanceof ListSchemaNode)) {
+ throw new UnsupportedDataTypeException("Schema can be ContainerSchemaNode or ListSchemaNode. Other types are not supported yet.");
+ }
- final DOMResult result = new DOMResult(getDocument());
- try {
- final XMLStreamWriter writer = FACTORY.createXMLStreamWriter(result);
- XmlStreamUtils.create(codecProvider).writeDocument(writer, data, (SchemaNode)schema);
- writer.close();
- return (Document)result.getNode();
- } catch (XMLStreamException e) {
- logger.error("Failed to serialize data {}", data, e);
- return null;
- }
+ final DOMResult result = new DOMResult(getDocument());
+ try {
+ final XMLStreamWriter writer = FACTORY.createXMLStreamWriter(result);
+ XmlStreamUtils.create(codecProvider).writeDocument(writer, data, (SchemaNode)schema);
+ writer.close();
+ return (Document)result.getNode();
+ } catch (XMLStreamException e) {
+ logger.error("Failed to serialize data {}", data, e);
+ return null;
}
+ }
- public static Document getDocument() {
- DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
- Document doc = null;
- try {
- DocumentBuilder bob = dbf.newDocumentBuilder();
- doc = bob.newDocument();
- } catch (ParserConfigurationException e) {
- throw new RuntimeException(e);
- }
- return doc;
+ public static Document getDocument() {
+ DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
+ Document doc = null;
+ try {
+ DocumentBuilder bob = dbf.newDocumentBuilder();
+ doc = bob.newDocument();
+ } catch (ParserConfigurationException e) {
+ throw new RuntimeException(e);
}
+ return doc;
+ }
- public static QName qNameFromElement(final Element xmlElement) {
- String namespace = xmlElement.getNamespaceURI();
- String localName = xmlElement.getLocalName();
- return QName.create(namespace != null ? URI.create(namespace) : null, null, localName);
- }
+ public static QName qNameFromElement(final Element xmlElement) {
+ String namespace = xmlElement.getNamespaceURI();
+ String localName = xmlElement.getLocalName();
+ return QName.create(namespace != null ? URI.create(namespace) : null, null, localName);
+ }
- private static Node<?> toNodeWithSchema(final Element xmlElement, final DataSchemaNode schema, final XmlCodecProvider codecProvider,final SchemaContext schemaCtx) {
- checkQName(xmlElement, schema.getQName());
- if (schema instanceof DataNodeContainer) {
- return toCompositeNodeWithSchema(xmlElement, schema.getQName(), (DataNodeContainer) schema, codecProvider,schemaCtx);
- } else if (schema instanceof LeafSchemaNode) {
- return toSimpleNodeWithType(xmlElement, (LeafSchemaNode) schema, codecProvider,schemaCtx);
- } else if (schema instanceof LeafListSchemaNode) {
- return toSimpleNodeWithType(xmlElement, (LeafListSchemaNode) schema, codecProvider,schemaCtx);
- }
- return null;
+ private static Node<?> toNodeWithSchema(final Element xmlElement, final DataSchemaNode schema, final XmlCodecProvider codecProvider,final SchemaContext schemaCtx) {
+ checkQName(xmlElement, schema.getQName());
+ if (schema instanceof DataNodeContainer) {
+ return toCompositeNodeWithSchema(xmlElement, schema.getQName(), (DataNodeContainer) schema, schemaCtx);
+ } else if (schema instanceof LeafSchemaNode) {
+ return toSimpleNodeWithType(xmlElement, (LeafSchemaNode) schema, codecProvider,schemaCtx);
+ } else if (schema instanceof LeafListSchemaNode) {
+ return toSimpleNodeWithType(xmlElement, (LeafListSchemaNode) schema, codecProvider,schemaCtx);
}
+ return null;
+ }
- private static Node<?> toSimpleNodeWithType(final Element xmlElement, final LeafSchemaNode schema,
- final XmlCodecProvider codecProvider,final SchemaContext schemaCtx) {
- TypeDefinitionAwareCodec<? extends Object, ? extends TypeDefinition<?>> codec = codecProvider.codecFor(schema.getType());
- String text = xmlElement.getTextContent();
- Object value = null;
- if (codec != null) {
- value = codec.deserialize(text);
- }
- final TypeDefinition<?> baseType = XmlUtils.resolveBaseTypeFrom(schema.getType());
- if (baseType instanceof org.opendaylight.yangtools.yang.model.util.InstanceIdentifier) {
- value = InstanceIdentifierForXmlCodec.deserialize(xmlElement,schemaCtx);
- } else if(baseType instanceof IdentityrefTypeDefinition){
- value = InstanceIdentifierForXmlCodec.toIdentity(xmlElement.getTextContent(), xmlElement, schemaCtx);
- }
+ private static Node<?> toSimpleNodeWithType(final Element xmlElement, final LeafSchemaNode schema,
+ final XmlCodecProvider codecProvider,final SchemaContext schemaCtx) {
+ TypeDefinitionAwareCodec<? extends Object, ? extends TypeDefinition<?>> codec = codecProvider.codecFor(schema.getType());
+ String text = xmlElement.getTextContent();
+ Object value = null;
+ if (codec != null) {
+ logger.debug("toSimpleNodeWithType: found codec, deserializing text {}", text);
+ value = codec.deserialize(text);
+ }
- if (value == null) {
- value = xmlElement.getTextContent();
- }
+ final TypeDefinition<?> baseType = XmlUtils.resolveBaseTypeFrom(schema.getType());
+ if (baseType instanceof org.opendaylight.yangtools.yang.model.util.InstanceIdentifier) {
+ logger.debug("toSimpleNodeWithType: base type of node is instance identifier, deserializing element", xmlElement);
+ value = InstanceIdentifierForXmlCodec.deserialize(xmlElement,schemaCtx);
+
+ } else if(baseType instanceof IdentityrefTypeDefinition){
+ logger.debug("toSimpleNodeWithType: base type of node is IdentityrefTypeDefinition, deserializing element", xmlElement);
+ value = InstanceIdentifierForXmlCodec.toIdentity(xmlElement.getTextContent(), xmlElement, schemaCtx);
- Optional<ModifyAction> modifyAction = getModifyOperationFromAttributes(xmlElement);
- return new SimpleNodeTOImpl<>(schema.getQName(), null, value, modifyAction.orNull());
}
- private static Node<?> toSimpleNodeWithType(final Element xmlElement, final LeafListSchemaNode schema,
- final XmlCodecProvider codecProvider,final SchemaContext schemaCtx) {
- TypeDefinitionAwareCodec<? extends Object, ? extends TypeDefinition<?>> codec = codecProvider.codecFor(schema.getType());
- String text = xmlElement.getTextContent();
- Object value = null;
- if (codec != null) {
- value = codec.deserialize(text);
- }
- if (schema.getType() instanceof org.opendaylight.yangtools.yang.model.util.InstanceIdentifier) {
- value = InstanceIdentifierForXmlCodec.deserialize(xmlElement,schemaCtx);
- }
- if (value == null) {
- value = xmlElement.getTextContent();
- }
+ if (value == null) {
+ logger.debug("toSimpleNodeWithType: no type found for element, returning just the text string value of element {}", xmlElement);
+ value = xmlElement.getTextContent();
+ }
- Optional<ModifyAction> modifyAction = getModifyOperationFromAttributes(xmlElement);
- return new SimpleNodeTOImpl<>(schema.getQName(), null, value, modifyAction.orNull());
+ Optional<ModifyAction> modifyAction = getModifyOperationFromAttributes(xmlElement);
+ return new SimpleNodeTOImpl<>(schema.getQName(), null, value, modifyAction.orNull());
+ }
+
+ private static Node<?> toSimpleNodeWithType(final Element xmlElement, final LeafListSchemaNode schema,
+ final XmlCodecProvider codecProvider,final SchemaContext schemaCtx) {
+ TypeDefinitionAwareCodec<? extends Object, ? extends TypeDefinition<?>> codec = codecProvider.codecFor(schema.getType());
+ String text = xmlElement.getTextContent();
+ Object value = null;
+ if (codec != null) {
+ logger.debug("toSimpleNodeWithType: found codec, deserializing text {}", text);
+ value = codec.deserialize(text);
}
- private static Node<?> toCompositeNodeWithSchema(final Element xmlElement, final QName qName, final DataNodeContainer schema,
- final XmlCodecProvider codecProvider,final SchemaContext schemaCtx) {
- List<Node<?>> values = toDomNodes(xmlElement, Optional.fromNullable(schema.getChildNodes()),schemaCtx);
- Optional<ModifyAction> modifyAction = getModifyOperationFromAttributes(xmlElement);
- return ImmutableCompositeNode.create(qName, values, modifyAction.orNull());
+ if (schema.getType() instanceof org.opendaylight.yangtools.yang.model.util.InstanceIdentifier) {
+ logger.debug("toSimpleNodeWithType: base type of node is instance identifier, deserializing element", xmlElement);
+ value = InstanceIdentifierForXmlCodec.deserialize(xmlElement,schemaCtx);
}
- private static Optional<ModifyAction> getModifyOperationFromAttributes(final Element xmlElement) {
- Attr attributeNodeNS = xmlElement.getAttributeNodeNS(OPERATION_ATTRIBUTE_QNAME.getNamespace().toString(), OPERATION_ATTRIBUTE_QNAME.getLocalName());
- if(attributeNodeNS == null) {
- return Optional.absent();
- }
+ if (value == null) {
+ logger.debug("toSimpleNodeWithType: no type found for element, returning just the text string value of element {}", xmlElement);
+ value = xmlElement.getTextContent();
+ }
- ModifyAction action = ModifyAction.fromXmlValue(attributeNodeNS.getValue());
- Preconditions.checkArgument(action.isOnElementPermitted(), "Unexpected operation %s on %s", action, xmlElement);
+ Optional<ModifyAction> modifyAction = getModifyOperationFromAttributes(xmlElement);
+ return new SimpleNodeTOImpl<>(schema.getQName(), null, value, modifyAction.orNull());
+ }
- return Optional.of(action);
- }
+ private static Node<?> toCompositeNodeWithSchema(final Element xmlElement, final QName qName, final DataNodeContainer schema,
+ final SchemaContext schemaCtx) {
+ List<Node<?>> values = toDomNodes(xmlElement, Optional.fromNullable(schema.getChildNodes()),schemaCtx);
+ Optional<ModifyAction> modifyAction = getModifyOperationFromAttributes(xmlElement);
+ return ImmutableCompositeNode.create(qName, values, modifyAction.orNull());
+ }
- private static void checkQName(final Element xmlElement, final QName qName) {
- checkState(Objects.equal(xmlElement.getNamespaceURI(), qName.getNamespace().toString()));
- checkState(qName.getLocalName().equals(xmlElement.getLocalName()));
+ private static Optional<ModifyAction> getModifyOperationFromAttributes(final Element xmlElement) {
+ Attr attributeNodeNS = xmlElement.getAttributeNodeNS(OPERATION_ATTRIBUTE_QNAME.getNamespace().toString(), OPERATION_ATTRIBUTE_QNAME.getLocalName());
+ if(attributeNodeNS == null) {
+ return Optional.absent();
}
- public static final Optional<DataSchemaNode> findFirstSchema(final QName qname, final Collection<DataSchemaNode> dataSchemaNode) {
- if (dataSchemaNode != null && !dataSchemaNode.isEmpty() && qname != null) {
- for (DataSchemaNode dsn : dataSchemaNode) {
- if (qname.isEqualWithoutRevision(dsn.getQName())) {
- return Optional.<DataSchemaNode> of(dsn);
- } else if (dsn instanceof ChoiceNode) {
- for (ChoiceCaseNode choiceCase : ((ChoiceNode) dsn).getCases()) {
- Optional<DataSchemaNode> foundDsn = findFirstSchema(qname, choiceCase.getChildNodes());
- if (foundDsn != null && foundDsn.isPresent()) {
- return foundDsn;
- }
- }
- }
+ ModifyAction action = ModifyAction.fromXmlValue(attributeNodeNS.getValue());
+ Preconditions.checkArgument(action.isOnElementPermitted(), "Unexpected operation %s on %s", action, xmlElement);
+
+ return Optional.of(action);
+ }
+
+ private static void checkQName(final Element xmlElement, final QName qName) {
+ checkState(Objects.equal(xmlElement.getNamespaceURI(), qName.getNamespace().toString()));
+ checkState(qName.getLocalName().equals(xmlElement.getLocalName()));
+ }
+
+ public static final Optional<DataSchemaNode> findFirstSchema(final QName qname, final Collection<DataSchemaNode> dataSchemaNode) {
+ if (dataSchemaNode != null && !dataSchemaNode.isEmpty() && qname != null) {
+ for (DataSchemaNode dsn : dataSchemaNode) {
+ if (qname.isEqualWithoutRevision(dsn.getQName())) {
+ return Optional.<DataSchemaNode> of(dsn);
+ } else if (dsn instanceof ChoiceNode) {
+ for (ChoiceCaseNode choiceCase : ((ChoiceNode) dsn).getCases()) {
+ Optional<DataSchemaNode> foundDsn = findFirstSchema(qname, choiceCase.getChildNodes());
+ if (foundDsn != null && foundDsn.isPresent()) {
+ return foundDsn;
}
+ }
}
- return Optional.absent();
+ }
}
+ return Optional.absent();
+ }
private static Node<?> toDomNode(Element element) {
QName qname = qNameFromElement(element);
}
- private static final <T> List<T> forEachChild(final NodeList nodes, final SchemaContext schemaContext, final Function<ElementWithSchemaContext, Optional<T>> forBody) {
- final int l = nodes.getLength();
- if (l == 0) {
- return ImmutableList.of();
- }
+ private static final <T> List<T> forEachChild(final NodeList nodes, final SchemaContext schemaContext, final Function<ElementWithSchemaContext, Optional<T>> forBody) {
+ final int l = nodes.getLength();
+ if (l == 0) {
+ return ImmutableList.of();
+ }
- final List<T> list = new ArrayList<>(l);
- for (int i = 0; i < l; i++) {
- org.w3c.dom.Node child = nodes.item(i);
- if (child instanceof Element) {
- Optional<T> result = forBody.apply(new ElementWithSchemaContext((Element) child,schemaContext));
- if (result.isPresent()) {
- list.add(result.get());
- }
- }
+ final List<T> list = new ArrayList<>(l);
+ for (int i = 0; i < l; i++) {
+ org.w3c.dom.Node child = nodes.item(i);
+ if (child instanceof Element) {
+ Optional<T> result = forBody.apply(new ElementWithSchemaContext((Element) child,schemaContext));
+ if (result.isPresent()) {
+ list.add(result.get());
}
- return ImmutableList.copyOf(list);
+ }
}
+ return ImmutableList.copyOf(list);
+ }
- public static final XmlCodecProvider defaultValueCodecProvider() {
- return XmlUtils.DEFAULT_XML_CODEC_PROVIDER;
- }
+ public static final XmlCodecProvider defaultValueCodecProvider() {
+ return XmlUtils.DEFAULT_XML_CODEC_PROVIDER;
+ }
}
Code Review / controller.git / blobdiff