| /* |
| * Copyright 2015-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.codec.impl; |
| |
| import java.util.ArrayList; |
| import java.util.stream.IntStream; |
| |
| import org.onosproject.codec.CodecContext; |
| import org.onosproject.codec.JsonCodec; |
| import org.onosproject.net.flow.TrafficSelector; |
| import org.onosproject.net.flow.TrafficTreatment; |
| import org.onosproject.net.intent.ConnectivityIntent; |
| import org.onosproject.net.intent.Constraint; |
| import org.onosproject.net.intent.Intent; |
| |
| import com.fasterxml.jackson.databind.JsonNode; |
| import com.fasterxml.jackson.databind.node.ArrayNode; |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| /** |
| * Connectivity intent codec. |
| */ |
| public final class ConnectivityIntentCodec extends JsonCodec<ConnectivityIntent> { |
| |
| private static final String CONSTRAINTS = "constraints"; |
| private static final String SELECTOR = "selector"; |
| private static final String TREATMENT = "treatment"; |
| |
| @Override |
| public ObjectNode encode(ConnectivityIntent intent, CodecContext context) { |
| checkNotNull(intent, "Connectivity intent cannot be null"); |
| |
| final JsonCodec<Intent> intentCodec = context.codec(Intent.class); |
| final ObjectNode result = intentCodec.encode(intent, context); |
| |
| if (intent.selector() != null) { |
| final JsonCodec<TrafficSelector> selectorCodec = |
| context.codec(TrafficSelector.class); |
| result.set(SELECTOR, selectorCodec.encode(intent.selector(), context)); |
| } |
| |
| if (intent.treatment() != null) { |
| final JsonCodec<TrafficTreatment> treatmentCodec = |
| context.codec(TrafficTreatment.class); |
| result.set(TREATMENT, treatmentCodec.encode(intent.treatment(), context)); |
| } |
| |
| result.put(IntentCodec.PRIORITY, intent.priority()); |
| |
| if (intent.constraints() != null) { |
| final ArrayNode jsonConstraints = result.putArray(CONSTRAINTS); |
| |
| if (intent.constraints() != null) { |
| final JsonCodec<Constraint> constraintCodec = |
| context.codec(Constraint.class); |
| for (final Constraint constraint : intent.constraints()) { |
| final ObjectNode constraintNode = |
| constraintCodec.encode(constraint, context); |
| jsonConstraints.add(constraintNode); |
| } |
| } |
| } |
| |
| return result; |
| } |
| |
| /** |
| * Extracts connectivity intent specific attributes from a JSON object |
| * and adds them to a builder. |
| * |
| * @param json root JSON object |
| * @param context code context |
| * @param builder builder to use for storing the attributes. Constraints, |
| * selector and treatment are modified by this call. |
| */ |
| public static void intentAttributes(ObjectNode json, CodecContext context, |
| ConnectivityIntent.Builder builder) { |
| JsonNode constraintsJson = json.get(CONSTRAINTS); |
| if (constraintsJson != null) { |
| JsonCodec<Constraint> constraintsCodec = context.codec(Constraint.class); |
| ArrayList<Constraint> constraints = new ArrayList<>(constraintsJson.size()); |
| IntStream.range(0, constraintsJson.size()) |
| .forEach(i -> constraints.add( |
| constraintsCodec.decode(get(constraintsJson, i), |
| context))); |
| builder.constraints(constraints); |
| } |
| |
| ObjectNode selectorJson = get(json, SELECTOR); |
| if (selectorJson != null) { |
| JsonCodec<TrafficSelector> selectorCodec = context.codec(TrafficSelector.class); |
| TrafficSelector selector = selectorCodec.decode(selectorJson, context); |
| builder.selector(selector); |
| } |
| |
| ObjectNode treatmentJson = get(json, TREATMENT); |
| if (treatmentJson != null) { |
| JsonCodec<TrafficTreatment> treatmentCodec = context.codec(TrafficTreatment.class); |
| TrafficTreatment treatment = treatmentCodec.decode(treatmentJson, context); |
| builder.treatment(treatment); |
| } |
| } |
| } |