import static com.google.common.base.Preconditions.checkState;
import java.net.URI;
+import java.util.Collection;
+import java.util.HashMap;
import java.util.List;
+import java.util.Map;
import java.util.Map.Entry;
+import java.util.Random;
import java.util.Set;
import javax.activation.UnsupportedDataTypeException;
import org.opendaylight.yangtools.yang.common.QName;
import org.opendaylight.yangtools.yang.data.api.AttributesContainer;
import org.opendaylight.yangtools.yang.data.api.CompositeNode;
+import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier;
+import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.NodeIdentifierWithPredicates;
+import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.NodeWithValue;
+import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier.PathArgument;
import org.opendaylight.yangtools.yang.data.api.Node;
import org.opendaylight.yangtools.yang.data.api.SimpleNode;
import org.opendaylight.yangtools.yang.data.impl.ImmutableCompositeNode;
import org.opendaylight.yangtools.yang.data.impl.SimpleNodeTOImpl;
import org.opendaylight.yangtools.yang.data.impl.codec.TypeDefinitionAwareCodec;
import org.opendaylight.yangtools.yang.data.impl.util.CompositeNodeBuilder;
-import org.opendaylight.yangtools.yang.model.api.*;
+import org.opendaylight.yangtools.yang.model.api.ChoiceCaseNode;
+import org.opendaylight.yangtools.yang.model.api.ChoiceNode;
+import org.opendaylight.yangtools.yang.model.api.ContainerSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.DataNodeContainer;
+import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
+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.NotificationDefinition;
+import org.opendaylight.yangtools.yang.model.api.SchemaNode;
+import org.opendaylight.yangtools.yang.model.api.TypeDefinition;
import org.opendaylight.yangtools.yang.model.api.type.IdentityrefTypeDefinition;
+import org.opendaylight.yangtools.yang.model.api.type.InstanceIdentifierTypeDefinition;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.w3c.dom.Document;
} else {
ret = doc.createElementNS(null, dataType.getLocalName());
}
- if (data instanceof AttributesContainer) {
+ if (data instanceof AttributesContainer && ((AttributesContainer) data).getAttributes() != null) {
for (Entry<QName, String> attribute : ((AttributesContainer) data).getAttributes().entrySet()) {
ret.setAttributeNS(attribute.getKey().getNamespace().toString(), attribute.getKey().getLocalName(),
attribute.getValue());
public static void writeValueByType(Element element, SimpleNode<?> node, TypeDefinition<?> type,
DataSchemaNode schema, XmlCodecProvider codecProvider) {
-
TypeDefinition<?> baseType = resolveBaseTypeFrom(type);
if (baseType instanceof IdentityrefTypeDefinition) {
element.setAttribute("xmlns:" + prefix, value.getNamespace().toString());
element.setTextContent(prefix + ":" + value.getLocalName());
} else {
- logger.debug("Value of {}:{} is not instance of QName but is {}", baseType.getQName().getNamespace(), //
- baseType.getQName().getLocalName(), //
- node.getValue().getClass());
- element.setTextContent(String.valueOf(node.getValue()));
+ Object value = node.getValue();
+ logger.debug("Value of {}:{} is not instance of QName but is {}", baseType.getQName().getNamespace(),
+ baseType.getQName().getLocalName(), value != null ? value.getClass() : "null");
+ if (value != null) {
+ element.setTextContent(String.valueOf(value));
+ }
+ }
+ } else if (baseType instanceof InstanceIdentifierTypeDefinition) {
+ if (node.getValue() instanceof InstanceIdentifier) {
+ // Map< key = namespace, value = prefix>
+ Map<String, String> prefixes = new HashMap<>();
+ InstanceIdentifier instanceIdentifier = (InstanceIdentifier) node.getValue();
+ StringBuilder textContent = new StringBuilder();
+ for (PathArgument pathArgument : instanceIdentifier.getPath()) {
+ textContent.append("/");
+ writeIdentifierWithNamespacePrefix(element, textContent, pathArgument.getNodeType(), prefixes);
+ if (pathArgument instanceof NodeIdentifierWithPredicates) {
+ Map<QName, Object> predicates = ((NodeIdentifierWithPredicates) pathArgument).getKeyValues();
+
+ for (QName keyValue : predicates.keySet()) {
+ String predicateValue = String.valueOf(predicates.get(keyValue));
+ textContent.append("[");
+ writeIdentifierWithNamespacePrefix(element, textContent, keyValue, prefixes);
+ textContent.append("='");
+ textContent.append(predicateValue);
+ textContent.append("'");
+ textContent.append("]");
+ }
+ } else if (pathArgument instanceof NodeWithValue) {
+ textContent.append("[.='");
+ textContent.append(((NodeWithValue)pathArgument).getValue());
+ textContent.append("'");
+ textContent.append("]");
+ }
+ }
+ element.setTextContent(textContent.toString());
+
+ } else {
+ Object value = node.getValue();
+ logger.debug("Value of {}:{} is not instance of InstanceIdentifier but is {}", baseType.getQName()
+ .getNamespace(), //
+ baseType.getQName().getLocalName(), value != null ? value.getClass() : "null");
+ if (value != null) {
+ element.setTextContent(String.valueOf(value));
+ }
}
} else {
if (node.getValue() != null) {
- try {
- String value = codecProvider.codecFor(baseType).serialize(node.getValue());
- element.setTextContent(value);
- } catch (ClassCastException e) {
+ final TypeDefinitionAwareCodec<Object, ?> codec = codecProvider.codecFor(baseType);
+ if (codec != null) {
+ try {
+ final String text = codec.serialize(node.getValue());
+ element.setTextContent(text);
+ } catch (ClassCastException e) {
+ logger.error("Provided node did not have type required by mapping. Using stream instead.", e);
+ element.setTextContent(String.valueOf(node.getValue()));
+ }
+ } else {
+ logger.error("Failed to find codec for {}, falling back to using stream", baseType);
element.setTextContent(String.valueOf(node.getValue()));
- logger.error("Provided node did not have type required by mapping. Using stream instead. {}", e);
}
}
}
}
+ private static void writeIdentifierWithNamespacePrefix(Element element, StringBuilder textContent, QName qName,
+ Map<String, String> prefixes) {
+ String namespace = qName.getNamespace().toString();
+ String prefix = prefixes.get(namespace);
+ if (prefix == null) {
+ prefix = qName.getPrefix();
+ if (prefix == null || prefix.isEmpty() || prefixes.containsValue(prefix)) {
+ prefix = generateNewPrefix(prefixes.values());
+ }
+ }
+
+ element.setAttribute("xmlns:" + prefix, namespace.toString());
+ textContent.append(prefix);
+ prefixes.put(namespace, prefix);
+
+ textContent.append(":");
+ textContent.append(qName.getLocalName());
+ }
+
+ private static String generateNewPrefix(Collection<String> prefixes) {
+ StringBuilder result = null;
+ Random random = new Random();
+ do {
+ result = new StringBuilder();
+ for (int i = 0; i < 4; i++) {
+ int randomNumber = 0x61 + (Math.abs(random.nextInt()) % 26);
+ result.append(Character.toChars(randomNumber));
+ }
+ } while (prefixes.contains(result.toString()));
+
+ return result.toString();
+ }
+
public final static TypeDefinition<?> resolveBaseTypeFrom(TypeDefinition<?> type) {
TypeDefinition<?> superType = type;
while (superType.getBaseType() != null) {
XmlCodecProvider codecProvider) {
TypeDefinitionAwareCodec<Object, ? extends TypeDefinition<?>> codec = codecProvider.codecFor(schema.getType());
String text = xmlElement.getTextContent();
- Object value = codec.deserialize(text);
+ Object value;
+ if (codec != null) {
+ value = codec.deserialize(text);
+
+ } else {
+ value = xmlElement.getTextContent();
+ }
return new SimpleNodeTOImpl<Object>(schema.getQName(), null, value);
}
XmlCodecProvider codecProvider) {
TypeDefinitionAwareCodec<Object, ? extends TypeDefinition<?>> codec = codecProvider.codecFor(schema.getType());
String text = xmlElement.getTextContent();
- Object value = codec.deserialize(text);
+ Object value;
+ if (codec != null) {
+ value = codec.deserialize(text);
+
+ } else {
+ value = xmlElement.getTextContent();
+ }
return new SimpleNodeTOImpl<Object>(schema.getQName(), null, value);
}
} else if (dsn instanceof ChoiceNode) {
for (ChoiceCaseNode choiceCase : ((ChoiceNode) dsn).getCases()) {
Optional<DataSchemaNode> foundDsn = findFirstSchema(qname, choiceCase.getChildNodes());
- if (foundDsn != null) {
+ if (foundDsn != null && foundDsn.isPresent()) {
return foundDsn;
}
}
toNodeWithSchema(input, schemaNode.get(), DEFAULT_XML_VALUE_CODEC_PROVIDER));
}
}
- return Optional.<Node<?>> fromNullable(toDomNode(element));
+ return Optional.<Node<?>> fromNullable(toDomNode(input));
}
});
}
+
+ /**
+ * Converts XML Document containing notification data from Netconf device to
+ * Data DOM Nodes. <br>
+ * By specification defined in <a
+ * href="http://tools.ietf.org/search/rfc6020#section-7.14">RFC 6020</a>
+ * there are xml elements containing notifications metadata, like eventTime
+ * or root notification element which specifies namespace for which is
+ * notification defined in yang model. Those elements MUST be stripped off
+ * notifications body. This method returns pure notification body which
+ * begins in element which is equal to notifications name defined in
+ * corresponding yang model. Rest of notification metadata are obfuscated,
+ * thus Data DOM contains only pure notification body.
+ *
+ * @param document
+ * XML Document containing notification body
+ * @param notifications
+ * Notifications Definition Schema
+ * @return Data DOM Nodes containing xml notification body definition or
+ * <code>null</code> if there is no NotificationDefinition with
+ * Element with equal notification QName defined in XML Document.
+ */
+ public static CompositeNode notificationToDomNodes(final Document document,
+ final Optional<Set<NotificationDefinition>> notifications) {
+ if (notifications.isPresent() && (document != null) && (document.getDocumentElement() != null)) {
+ final NodeList originChildNodes = document.getDocumentElement().getChildNodes();
+
+ for (int i = 0; i < originChildNodes.getLength(); i++) {
+ org.w3c.dom.Node child = originChildNodes.item(i);
+ if (child instanceof Element) {
+ final Element childElement = (Element) child;
+ final QName partialQName = qNameFromElement(childElement);
+ final Optional<NotificationDefinition> notificationDef = findNotification(partialQName,
+ notifications.get());
+ if (notificationDef.isPresent()) {
+ final Set<DataSchemaNode> dataNodes = notificationDef.get().getChildNodes();
+ final List<Node<?>> domNodes = toDomNodes(childElement,
+ Optional.<Set<DataSchemaNode>> fromNullable(dataNodes));
+ return ImmutableCompositeNode.create(notificationDef.get().getQName(), domNodes);
+ }
+ }
+ }
+ }
+ return null;
+ }
+
+ private static Optional<NotificationDefinition> findNotification(final QName notifName,
+ final Set<NotificationDefinition> notifications) {
+ if ((notifName != null) && (notifications != null)) {
+ for (final NotificationDefinition notification : notifications) {
+ if ((notification != null) && notifName.isEqualWithoutRevision(notification.getQName())) {
+ return Optional.<NotificationDefinition>fromNullable(notification);
+ }
+ }
+ }
+ return Optional.<NotificationDefinition>absent();
+ }
private static final <T> List<T> forEachChild(NodeList nodes, Function<Element, Optional<T>> forBody) {
ImmutableList.Builder<T> ret = ImmutableList.<T> builder();