| /* |
| * 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.impl; |
| |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| |
| import org.onosproject.codec.CodecContext; |
| import org.onosproject.codec.JsonCodec; |
| import org.onosproject.net.flow.TrafficSelector; |
| import org.onosproject.segmentrouting.policy.api.PolicyId; |
| import org.onosproject.segmentrouting.policy.api.TrafficMatch; |
| import org.onosproject.segmentrouting.policy.api.TrafficMatchPriority; |
| |
| 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 TRAFFIC_MATCH_PRIORITY = "priority"; |
| 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()) |
| .put(TRAFFIC_MATCH_PRIORITY, trafficMatch.trafficMatchPriority().priority()) |
| .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()); |
| |
| int priority = nullIsIllegal(json.get(TRAFFIC_MATCH_PRIORITY), |
| TRAFFIC_MATCH_PRIORITY + MISSING_MEMBER_MESSAGE).asInt(); |
| TrafficMatchPriority trafficMatchPriority; |
| try { |
| trafficMatchPriority = new TrafficMatchPriority(priority); |
| } catch (IllegalArgumentException ex) { |
| throw ex; |
| } |
| |
| return new TrafficMatch(trafficSelector, policyId, trafficMatchPriority); |
| } |
| } |