1 files changed, 89 insertions, 0 deletions
diff --git a/sdnr/wt/devicemanager-o-ran-sc/o-ran/ru-fh/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/oran/util/ORanDMDOMUtility.java b/sdnr/wt/devicemanager-o-ran-sc/o-ran/ru-fh/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/oran/util/ORanDMDOMUtility.java
new file mode 100644
index 000000000..708ba8a47
--- /dev/null
+++ b/sdnr/wt/devicemanager-o-ran-sc/o-ran/ru-fh/provider/src/main/java/org/onap/ccsdk/features/sdnr/wt/devicemanager/oran/util/ORanDMDOMUtility.java
@@ -0,0 +1,89 @@
+/*
+ * ============LICENSE_START=======================================================
+ * ONAP : ccsdk features
+ * ================================================================================
+ * Copyright (C) 2021 highstreet technologies GmbH Intellectual Property.
+ * All rights reserved.
+ * ================================================================================
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ * ============LICENSE_END=========================================================
+ *
+ */
+package org.onap.ccsdk.features.sdnr.wt.devicemanager.oran.util;
+
+import com.google.common.base.VerifyException;
+import java.time.Instant;
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.Set;
+import org.opendaylight.mdsal.dom.api.DOMEvent;
+import org.opendaylight.mdsal.dom.api.DOMNotification;
+import org.opendaylight.yangtools.yang.common.QName;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifier;
+import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier.NodeIdentifierWithPredicates;
+import org.opendaylight.yangtools.yang.data.api.schema.DataContainerChild;
+import org.opendaylight.yangtools.yang.data.api.schema.DataContainerNode;
+import org.opendaylight.yangtools.yang.data.api.schema.LeafNode;
+import org.opendaylight.yangtools.yang.data.api.schema.LeafSetEntryNode;
+import org.opendaylight.yangtools.yang.data.api.schema.MapEntryNode;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public class ORanDMDOMUtility {
+    public static final Logger LOG = LoggerFactory.getLogger(ORanDMDOMUtility.class);
+
+    public static String getKeyValue(MapEntryNode componentEntry) {
+        NodeIdentifierWithPredicates componentKey = componentEntry.getIdentifier(); // list key
+        return (String) componentKey.getValue(ORanDeviceManagerQNames.IETF_HW_COMPONENT_LIST_KEY);
+    }
+
+    public static String getLeafValue(DataContainerNode componentEntry, QName leafQName) {
+        NodeIdentifier leafNodeIdentifier = new NodeIdentifier(leafQName);
+        try {
+            LeafNode<?> optLeafNode = (LeafNode<?>) componentEntry.getChildByArg(leafNodeIdentifier);
+            if (optLeafNode.body() instanceof QName) {
+                LOG.debug("Leaf is of type QName");
+            }
+            return optLeafNode.body().toString();
+        } catch (VerifyException ve) {
+            LOG.debug("Leaf with QName {} not found", leafQName.toString());
+            return null;
+        }
+    }
+
+    public static Set<String> getLeafListValue(DataContainerNode componentEntry, QName leafListQName) {
+        Set<String> containsChildList = new HashSet<String>();
+        try {
+            DataContainerChild childSet = componentEntry.getChildByArg(new NodeIdentifier(leafListQName));
+            Collection<?> childEntry = (Collection<?>) childSet.body();
+            Iterator<?> childEntryItr = childEntry.iterator();
+            while (childEntryItr.hasNext()) {
+                LeafSetEntryNode<?> childEntryNode = (LeafSetEntryNode<?>) childEntryItr.next();
+                containsChildList.add(childEntryNode.body().toString());
+            }
+        } catch (VerifyException ve) {
+            LOG.debug("Child for {} does not exist", leafListQName);
+        }
+        return containsChildList;
+    }
+
+    public static Instant getNotificationInstant(DOMNotification notification) {
+        if (notification instanceof DOMEvent) {
+            return ((DOMEvent) notification).getEventInstant();
+        } else {
+            return Instant.now();
+        }
+    }
+
+}