| /* |
| * Copyright 2017-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.mapping.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.DefaultMappingValue; |
| import org.onosproject.mapping.MappingTreatment; |
| import org.onosproject.mapping.MappingValue; |
| import org.onosproject.mapping.actions.MappingAction; |
| |
| import java.util.stream.IntStream; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| /** |
| * Mapping value codec. |
| */ |
| public final class MappingValueCodec extends JsonCodec<MappingValue> { |
| |
| protected static final String ACTION = "action"; |
| protected static final String TREATMENTS = "treatments"; |
| |
| @Override |
| public ObjectNode encode(MappingValue value, CodecContext context) { |
| checkNotNull(value, "Mapping value cannot be null"); |
| |
| final ObjectNode result = context.mapper().createObjectNode(); |
| final ArrayNode jsonTreatments = result.putArray(TREATMENTS); |
| |
| final JsonCodec<MappingTreatment> treatmentCodec = |
| context.codec(MappingTreatment.class); |
| |
| final JsonCodec<MappingAction> actionCodec = |
| context.codec(MappingAction.class); |
| |
| for (final MappingTreatment treatment : value.treatments()) { |
| jsonTreatments.add(treatmentCodec.encode(treatment, context)); |
| } |
| |
| result.set(ACTION, actionCodec.encode(value.action(), context)); |
| |
| return result; |
| } |
| |
| @Override |
| public MappingValue decode(ObjectNode json, CodecContext context) { |
| if (json == null || !json.isObject()) { |
| return null; |
| } |
| |
| final JsonCodec<MappingTreatment> treatmentCodec = |
| context.codec(MappingTreatment.class); |
| |
| JsonNode treatmentJson = json.get(TREATMENTS); |
| MappingValue.Builder builder = DefaultMappingValue.builder(); |
| |
| if (treatmentJson != null) { |
| IntStream.range(0, treatmentJson.size()) |
| .forEach(i -> builder.add( |
| treatmentCodec.decode(get(treatmentJson, i), |
| context))); |
| } |
| |
| ObjectNode actionJson = get(json, ACTION); |
| if (actionJson != null) { |
| final JsonCodec<MappingAction> actionCodec = |
| context.codec(MappingAction.class); |
| builder.withAction(actionCodec.decode(actionJson, context)); |
| } |
| |
| return builder.build(); |
| } |
| } |