[ONOS-7850] powerconfig for Cassini equipment.

Change-Id: If8a03ca4f2fa29536a56a0ff55d77600baa11d1b
diff --git a/cli/src/main/java/org/onosproject/cli/net/NetconfOperationCompleter.java b/cli/src/main/java/org/onosproject/cli/net/NetconfOperationCompleter.java
new file mode 100644
index 0000000..c32be06
--- /dev/null
+++ b/cli/src/main/java/org/onosproject/cli/net/NetconfOperationCompleter.java
@@ -0,0 +1,53 @@
+/*
+ * Copyright 2018-present Open Networking Foundation
+ *
+ * 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.
+ *
+ * This work was partially supported by EC H2020 project METRO-HAUL (761727).
+ */
+package org.onosproject.cli.net;
+
+import org.apache.karaf.shell.api.action.lifecycle.Service;
+import org.apache.karaf.shell.api.console.CommandLine;
+import org.apache.karaf.shell.api.console.Completer;
+import org.apache.karaf.shell.api.console.Session;
+import org.apache.karaf.shell.support.completers.StringsCompleter;
+
+import java.util.List;
+import java.util.SortedSet;
+
+/**
+ * Netconf Operation Completer.
+ */
+@Service
+public class NetconfOperationCompleter implements Completer {
+
+    @Override
+    public int complete(Session session, CommandLine commandLine, List<String> candidates) {
+        // Delegate string completer
+        StringsCompleter delegate = new StringsCompleter();
+        SortedSet<String> strings = delegate.getStrings();
+        // The available operations are defined in NETCONF protocol (https://tools.ietf.org/html/rfc6241#section-7).
+        strings.add("get");
+        strings.add("get-config");
+        strings.add("edit-config");
+        strings.add("copy-config");
+        strings.add("delete-config");
+        strings.add("lock");
+        strings.add("unlock");
+        strings.add("close-session");
+        strings.add("kill-session");
+        return delegate.complete(session, commandLine, candidates);
+    }
+
+}