[ONOS-6170] Implement codec for MappingTreatment with unit test
Change-Id: Icd0e17863dac54f677f8e72d1007ea0d4dfbccaf
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();
+ }
+}