Added conversion of notification to data DOM.

Added implementation of notificationToDomNodes method into XmlDocumentUtils which is responsible for transform netconf xml document containing notification body
to ODLs Data DOM structure.

Signed-off-by: Lukas Sedlak <lsedlak@cisco.com>

diff --git a/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/codec/xml/XmlDocumentUtils.java b/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/codec/xml/XmlDocumentUtils.java
index 9e999be49197b1a0a9ec75c6d7f230e5d01ac466..6bb6e26001f3b1945fe0cfd51f7843f14c8ab705 100644 (file)
--- a/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/codec/xml/XmlDocumentUtils.java
+++ b/yang/yang-data-impl/src/main/java/org/opendaylight/yangtools/yang/data/impl/codec/xml/XmlDocumentUtils.java
@@ -36,6 +36,7 @@ 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;
@@ -348,6 +349,63 @@ public class XmlDocumentUtils {
         });
 
     }
+    
+    /**
+     * 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(partialQName, 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();