diff --git a/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/codec/EncodeMappingInstructionCodecHelper.java b/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/codec/EncodeMappingInstructionCodecHelper.java
new file mode 100644
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+++ b/apps/mappingmanagement/api/src/main/java/org/onosproject/mapping/codec/EncodeMappingInstructionCodecHelper.java
@@ -0,0 +1,129 @@
+/*
+ * 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.codec;
+
+import com.fasterxml.jackson.databind.node.ObjectNode;
+import org.onosproject.codec.CodecContext;
+import org.onosproject.mapping.instructions.MappingInstruction;
+import org.onosproject.mapping.instructions.MulticastMappingInstruction;
+import org.onosproject.mapping.instructions.UnicastMappingInstruction;
+import org.slf4j.Logger;
+
+import static org.slf4j.LoggerFactory.getLogger;
+
+/**
+ * JSON encoding of MappingInstructions.
+ */
+public final class EncodeMappingInstructionCodecHelper {
+    protected static final Logger log = getLogger(EncodeMappingInstructionCodecHelper.class);
+    private final MappingInstruction instruction;
+    private final CodecContext context;
+
+    /**
+     * Creates a mapping instruction object encoder.
+     *
+     * @param instruction mapping instruction to encode
+     * @param context     codec context for the encoding
+     */
+    public EncodeMappingInstructionCodecHelper(MappingInstruction instruction,
+                                               CodecContext context) {
+        this.instruction = instruction;
+        this.context = context;
+    }
+
+    /**
+     * Encodes an unicast mapping instruction.
+     *
+     * @param result json node that the mapping instruction
+     *               attributes are added to
+     */
+    private void encodeUnicast(ObjectNode result) {
+        UnicastMappingInstruction unicastInstruction =
+                (UnicastMappingInstruction) instruction;
+        result.put(MappingInstructionCodec.SUBTYPE, unicastInstruction.subtype().name());
+
+        switch (unicastInstruction.subtype()) {
+            case WEIGHT:
+                UnicastMappingInstruction.WeightMappingInstruction wmi =
+                        (UnicastMappingInstruction.WeightMappingInstruction)
+                                                            unicastInstruction;
+                result.put(MappingInstructionCodec.UNICAST_WEIGHT, wmi.weight());
+                break;
+            case PRIORITY:
+                UnicastMappingInstruction.PriorityMappingInstruction pmi =
+                        (UnicastMappingInstruction.PriorityMappingInstruction)
+                                                            unicastInstruction;
+                result.put(MappingInstructionCodec.UNICAST_PRIORITY, pmi.priority());
+                break;
+            default:
+                log.info("Cannot convert unicast subtype of {}",
+                                                unicastInstruction.subtype());
+        }
+    }
+
+    /**
+     * Encodes a multicast mapping instruction.
+     *
+     * @param result json node that the mapping instruction
+     *               attributes are added to
+     */
+    private void encodeMulticast(ObjectNode result) {
+        MulticastMappingInstruction multicastMappingInstruction =
+                (MulticastMappingInstruction) instruction;
+        result.put(MappingInstructionCodec.SUBTYPE, multicastMappingInstruction.subtype().name());
+
+        switch (multicastMappingInstruction.subtype()) {
+            case WEIGHT:
+                MulticastMappingInstruction.WeightMappingInstruction wmi =
+                        (MulticastMappingInstruction.WeightMappingInstruction)
+                                                    multicastMappingInstruction;
+                result.put(MappingInstructionCodec.MULTICAST_WEIGHT, wmi.weight());
+                break;
+            case PRIORITY:
+                MulticastMappingInstruction.PriorityMappingInstruction pmi =
+                        (MulticastMappingInstruction.PriorityMappingInstruction)
+                                                    multicastMappingInstruction;
+                result.put(MappingInstructionCodec.MULTICAST_PRIORITY, pmi.priority());
+                break;
+            default:
+                log.info("Cannot convert multicast subtype of {}",
+                                            multicastMappingInstruction.subtype());
+        }
+    }
+
+    /**
+     * Encodes the given mapping instruction into JSON.
+     *
+     * @return JSON object node representing the mapping instruction.
+     */
+    public ObjectNode encode() {
+        final ObjectNode result = context.mapper().createObjectNode()
+                .put(MappingInstructionCodec.TYPE, instruction.type().toString());
+
+        switch (instruction.type()) {
+            case UNICAST:
+                encodeUnicast(result);
+                break;
+            case MULTICAST:
+                encodeMulticast(result);
+                break;
+            default:
+                log.info("Cannot convert mapping instruction type of {}", instruction.type());
+                break;
+        }
+        return result;
+    }
+}