| /* |
| * Copyright 2016-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.kafkaintegration.impl; |
| |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import org.onosproject.codec.CodecContext; |
| import org.onosproject.codec.JsonCodec; |
| import org.onosproject.kafkaintegration.api.dto.DefaultEventSubscriber; |
| import org.onosproject.kafkaintegration.api.dto.EventSubscriber; |
| import org.onosproject.kafkaintegration.api.dto.EventSubscriberGroupId; |
| import org.onosproject.kafkaintegration.api.dto.OnosEvent.Type; |
| |
| import java.util.UUID; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| /** |
| * Codec for encoding/decoding a Subscriber object to/from JSON. |
| * |
| */ |
| public final class SubscriberCodec extends JsonCodec<EventSubscriber> { |
| |
| // JSON field names |
| private static final String NAME = "appName"; |
| private static final String GROUP_ID = "groupId"; |
| private static final String EVENT_TYPE = "eventType"; |
| |
| @Override |
| public ObjectNode encode(EventSubscriber data, CodecContext context) { |
| checkNotNull(data, "Subscriber cannot be null"); |
| return context.mapper().createObjectNode().put(NAME, data.appName()) |
| .put(GROUP_ID, data.subscriberGroupId().getId().toString()) |
| .put(EVENT_TYPE, data.eventType().toString()); |
| } |
| |
| @Override |
| public EventSubscriber decode(ObjectNode json, CodecContext context) { |
| |
| EventSubscriber.Builder resultBuilder = new DefaultEventSubscriber |
| .Builder(); |
| String appName = json.get(NAME).asText(); |
| resultBuilder.setAppName(appName); |
| |
| String subscriberGroupId = json.get(GROUP_ID).asText(); |
| resultBuilder.setSubscriberGroupId(new EventSubscriberGroupId(UUID. |
| fromString(subscriberGroupId))); |
| |
| String eventType = json.get(EVENT_TYPE).asText(); |
| resultBuilder.setEventType(Type.valueOf(eventType)); |
| return resultBuilder.build(); |
| } |
| } |