Implement REST API of policy
Change-Id: I46f5a3cd6d66cf7a3a90a5d153b3878fdf5cbd31
diff --git a/impl/src/main/java/org/onosproject/segmentrouting/policy/api/TrafficMatchCodec.java b/impl/src/main/java/org/onosproject/segmentrouting/policy/api/TrafficMatchCodec.java
new file mode 100644
index 0000000..1f4f8be
--- /dev/null
+++ b/impl/src/main/java/org/onosproject/segmentrouting/policy/api/TrafficMatchCodec.java
@@ -0,0 +1,66 @@
+/*
+ * Copyright 2021-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.segmentrouting.policy.api;
+
+import com.fasterxml.jackson.databind.node.ObjectNode;
+
+import org.onosproject.codec.CodecContext;
+import org.onosproject.codec.JsonCodec;
+import org.onosproject.net.flow.TrafficSelector;
+
+import static org.onlab.util.Tools.nullIsIllegal;
+
+/**
+ * Codec of TrafficMatch class.
+ */
+public final class TrafficMatchCodec extends JsonCodec<TrafficMatch> {
+
+ // JSON field names
+ public static final String TRAFFIC_MATCH_ID = "traffic_match_id";
+ public static final String TRAFFIC_SELECTOR = "selector";
+ public static final String POLICY_ID = "policy_id";
+ public static final String MISSING_MEMBER_MESSAGE =
+ " member is required in Traffic Match";
+
+ @Override
+ public ObjectNode encode(TrafficMatch trafficMatch, CodecContext context) {
+ final JsonCodec<TrafficSelector> selectorCodec =
+ context.codec(TrafficSelector.class);
+
+ final ObjectNode selector = selectorCodec.encode(trafficMatch.trafficSelector(), context);
+ final ObjectNode result = context.mapper().createObjectNode()
+ .put(TRAFFIC_MATCH_ID, trafficMatch.trafficMatchId().toString())
+ .put(POLICY_ID, trafficMatch.policyId().toString())
+ .set(TRAFFIC_SELECTOR, selector);
+
+ return result;
+ }
+
+ @Override
+ public TrafficMatch decode(ObjectNode json, CodecContext context) {
+ final JsonCodec<TrafficSelector> selectorCodec =
+ context.codec(TrafficSelector.class);
+
+ ObjectNode selectorJson = nullIsIllegal(get(json, TRAFFIC_SELECTOR),
+ TRAFFIC_SELECTOR + MISSING_MEMBER_MESSAGE);
+ TrafficSelector trafficSelector = selectorCodec.decode(selectorJson, context);
+
+ PolicyId policyId = PolicyId.of(nullIsIllegal(json.get(POLICY_ID),
+ POLICY_ID + MISSING_MEMBER_MESSAGE).asText());
+
+ return new TrafficMatch(trafficSelector, policyId);
+ }
+}