Initial import of CFM and SOAM api

Change-Id: Icf5cc2d5fb34b75460e80e8cced0d70265bcd33b
diff --git a/apps/cfm/src/main/java/org/onosproject/cfm/cli/completer/CfmMdLevelCompleter.java b/apps/cfm/src/main/java/org/onosproject/cfm/cli/completer/CfmMdLevelCompleter.java
new file mode 100644
index 0000000..374e549
--- /dev/null
+++ b/apps/cfm/src/main/java/org/onosproject/cfm/cli/completer/CfmMdLevelCompleter.java
@@ -0,0 +1,39 @@
+/*
+ * Copyright 2017-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.
+ */
+package org.onosproject.cfm.cli.completer;
+
+import org.onosproject.cli.AbstractChoicesCompleter;
+import org.onosproject.incubator.net.l2monitoring.cfm.MaintenanceDomain;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * CLI completer for MD Level creation.
+ */
+public class CfmMdLevelCompleter extends AbstractChoicesCompleter {
+    @Override
+    public List<String> choices() {
+        List<String> choices = new ArrayList<>();
+
+        for (MaintenanceDomain.MdLevel mdLevel:MaintenanceDomain.MdLevel.values()) {
+            choices.add(String.valueOf(mdLevel.toString()));
+        }
+
+        return choices;
+    }
+
+}