Initial import of CFM and SOAM api

Change-Id: Icf5cc2d5fb34b75460e80e8cced0d70265bcd33b
diff --git a/apps/cfm/src/main/java/org/onosproject/soam/web/LmCounterOptionCodec.java b/apps/cfm/src/main/java/org/onosproject/soam/web/LmCounterOptionCodec.java
new file mode 100644
index 0000000..9e3e40e
--- /dev/null
+++ b/apps/cfm/src/main/java/org/onosproject/soam/web/LmCounterOptionCodec.java
@@ -0,0 +1,51 @@
+/*
+ * 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.soam.web;
+
+import com.fasterxml.jackson.databind.node.ArrayNode;
+import org.onosproject.codec.CodecContext;
+import org.onosproject.codec.JsonCodec;
+import org.onosproject.incubator.net.l2monitoring.soam.loss.LossMeasurementCreate.CounterOption;
+
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Encode and decode to/from JSON to CounterOption object.
+ */
+public class LmCounterOptionCodec extends JsonCodec<CounterOption> {
+
+    @Override
+    public ArrayNode encode(Iterable<CounterOption> entities,
+            CodecContext context) {
+        ArrayNode an = context.mapper().createArrayNode();
+        entities.forEach(node -> an.add(node.name()));
+
+        return an;
+    }
+
+    @Override
+    public List<CounterOption> decode(ArrayNode json,
+            CodecContext context) {
+        if (json == null) {
+            return null;
+        }
+        List<CounterOption> moList = new ArrayList<>();
+        json.forEach(node -> moList.add(CounterOption.valueOf(node.asText())));
+        return moList;
+    }
+
+}