diff --git a/apps/mappingmanagement/web/src/main/java/org/onosproject/mapping/web/codec/MappingTreatmentCodec.java b/apps/mappingmanagement/web/src/main/java/org/onosproject/mapping/web/codec/MappingTreatmentCodec.java
new file mode 100644
index 0000000..10ed6d7
--- /dev/null
+++ b/apps/mappingmanagement/web/src/main/java/org/onosproject/mapping/web/codec/MappingTreatmentCodec.java
@@ -0,0 +1,90 @@
+/*
+ * Copyright 2017-present Open Networking Laboratory
+ *
+ * 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.mapping.web.codec;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.fasterxml.jackson.databind.node.ArrayNode;
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import org.onosproject.codec.CodecContext;
+import org.onosproject.codec.JsonCodec;
+import org.onosproject.mapping.DefaultMappingTreatment;
+import org.onosproject.mapping.MappingTreatment;
+import org.onosproject.mapping.addresses.MappingAddress;
+import org.onosproject.mapping.instructions.MappingInstruction;
+
+import java.util.stream.IntStream;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+/**
+ * Mapping treatment codec.
+ */
+public final class MappingTreatmentCodec extends JsonCodec<MappingTreatment> {
+
+    private static final String INSTRUCTIONS = "instructions";
+    private static final String ADDRESS = "address";
+
+    @Override
+    public ObjectNode encode(MappingTreatment treatment, CodecContext context) {
+        checkNotNull(treatment, "Mapping treatment cannot be null");
+
+        final ObjectNode result = context.mapper().createObjectNode();
+        final ArrayNode jsonInstructions = result.putArray(INSTRUCTIONS);
+
+        final JsonCodec<MappingInstruction> instructionCodec =
+                context.codec(MappingInstruction.class);
+
+        final JsonCodec<MappingAddress> addressCodec =
+                context.codec(MappingAddress.class);
+
+        for (final MappingInstruction instruction : treatment.instructions()) {
+            jsonInstructions.add(instructionCodec.encode(instruction, context));
+        }
+
+        result.set(ADDRESS, addressCodec.encode(treatment.address(), context));
+
+        return result;
+    }
+
+    @Override
+    public MappingTreatment decode(ObjectNode json, CodecContext context) {
+        if (json == null || !json.isObject()) {
+            return null;
+        }
+
+        final JsonCodec<MappingInstruction> instructionCodec =
+                context.codec(MappingInstruction.class);
+
+        JsonNode instructionJson = json.get(INSTRUCTIONS);
+        MappingTreatment.Builder builder = DefaultMappingTreatment.builder();
+
+        if (instructionJson != null) {
+            IntStream.range(0, instructionJson.size())
+                    .forEach(i -> builder.add(
+                            instructionCodec.decode(get(instructionJson, i),
+                                    context)));
+        }
+
+        ObjectNode addressJson = get(json, ADDRESS);
+        if (addressJson != null) {
+            final JsonCodec<MappingAddress> addressCodec =
+                    context.codec(MappingAddress.class);
+            builder.withAddress(addressCodec.decode(addressJson, context));
+        }
+
+        return builder.build();
+    }
+}