| /* |
| * Copyright 2015-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.codec.impl; |
| |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| |
| import org.onlab.packet.ChassisId; |
| import org.onosproject.codec.CodecContext; |
| import org.onosproject.net.Annotations; |
| import org.onosproject.net.DefaultDevice; |
| import org.onosproject.net.Device; |
| import org.onosproject.net.Device.Type; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.device.DeviceService; |
| import org.onosproject.net.provider.ProviderId; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.onosproject.net.DeviceId.deviceId; |
| |
| /** |
| * Device JSON codec. |
| */ |
| public final class DeviceCodec extends AnnotatedCodec<Device> { |
| |
| // JSON fieldNames |
| private static final String ID = "id"; |
| private static final String TYPE = "type"; |
| private static final String MFR = "mfr"; |
| private static final String HW = "hw"; |
| private static final String SW = "sw"; |
| private static final String SERIAL = "serial"; |
| private static final String CHASSIS_ID = "chassisId"; |
| |
| |
| @Override |
| public ObjectNode encode(Device device, CodecContext context) { |
| checkNotNull(device, "Device cannot be null"); |
| DeviceService service = context.getService(DeviceService.class); |
| ObjectNode result = context.mapper().createObjectNode() |
| .put(ID, device.id().toString()) |
| .put(TYPE, device.type().name()) |
| .put("available", service.isAvailable(device.id())) |
| .put("role", service.getRole(device.id()).toString()) |
| .put(MFR, device.manufacturer()) |
| .put(HW, device.hwVersion()) |
| .put(SW, device.swVersion()) |
| .put(SERIAL, device.serialNumber()) |
| .put(CHASSIS_ID, device.chassisId().toString()); |
| return annotate(result, device, context); |
| } |
| |
| |
| /** |
| * {@inheritDoc} |
| * |
| * Note: ProviderId is not part of JSON representation. |
| * Returned object will have random ProviderId set. |
| */ |
| @Override |
| public Device decode(ObjectNode json, CodecContext context) { |
| if (json == null || !json.isObject()) { |
| return null; |
| } |
| |
| DeviceId id = deviceId(json.get(ID).asText()); |
| // TODO: add providerId to JSON if we need to recover them. |
| ProviderId pid = new ProviderId(id.uri().getScheme(), "DeviceCodec"); |
| |
| Type type = Type.valueOf(json.get(TYPE).asText()); |
| String mfr = json.get(MFR).asText(); |
| String hw = json.get(HW).asText(); |
| String sw = json.get(SW).asText(); |
| String serial = json.get(SERIAL).asText(); |
| ChassisId chassisId = new ChassisId(json.get(CHASSIS_ID).asText()); |
| Annotations annotations = extractAnnotations(json, context); |
| |
| return new DefaultDevice(pid, id, type, mfr, hw, sw, serial, |
| chassisId, annotations); |
| } |
| } |