diff --git a/apps/cfm/src/main/java/org/onosproject/soam/web/StopTimeCodec.java b/apps/cfm/src/main/java/org/onosproject/soam/web/StopTimeCodec.java
new file mode 100644
index 0000000..30a1538
--- /dev/null
+++ b/apps/cfm/src/main/java/org/onosproject/soam/web/StopTimeCodec.java
@@ -0,0 +1,57 @@
+/*
+ * 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 java.time.Duration;
+import java.time.OffsetDateTime;
+
+import org.onosproject.codec.CodecContext;
+import org.onosproject.codec.JsonCodec;
+import org.onosproject.incubator.net.l2monitoring.soam.StopTime;
+
+import com.fasterxml.jackson.databind.node.ObjectNode;
+
+/**
+ * Encode and decode to/from JSON to StopTime object.
+ */
+public class StopTimeCodec extends JsonCodec<StopTime> {
+
+    @Override
+    public StopTime decode(ObjectNode json, CodecContext context) {
+        if (json == null || !json.isObject()) {
+            return null;
+        }
+
+        if (json.get("none") != null) {
+            return StopTime.none();
+        } else if (json.get("absolute") != null) {
+            if (json.get("absolute").get("stop-time") != null) {
+                return StopTime.absolute(OffsetDateTime
+                        .parse(json.get("absolute").get("stop-time").asText())
+                        .toInstant());
+            }
+            throw new IllegalArgumentException("StopTime absolute must contain "
+                    + "a stop-time in date-time format with offset");
+        } else if (json.get("relative") != null) {
+            if (json.get("relative").get("stop-time") != null) {
+                return StopTime.relative(Duration.parse(json.get("relative").get("stop-time").asText()));
+            }
+            throw new IllegalArgumentException("StopTime relative must contain a stop-time duration");
+        } else {
+            throw new IllegalArgumentException("StopTime must be either none, absolute or relative");
+        }
+    }
+}