| /* |
| * Copyright 2016-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 com.fasterxml.jackson.databind.node.ObjectNode; |
| import org.onosproject.codec.CodecContext; |
| import org.onosproject.codec.JsonCodec; |
| import org.onosproject.incubator.net.virtual.DefaultVirtualDevice; |
| import org.onosproject.incubator.net.virtual.NetworkId; |
| import org.onosproject.incubator.net.virtual.VirtualDevice; |
| import org.onosproject.net.DeviceId; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.onlab.util.Tools.nullIsIllegal; |
| |
| /** |
| * Codec for the VirtualDevice class. |
| */ |
| public class VirtualDeviceCodec extends JsonCodec<VirtualDevice> { |
| |
| // JSON field names |
| private static final String ID = "deviceId"; |
| private static final String NETWORK_ID = "networkId"; |
| |
| private static final String NULL_OBJECT_MSG = "VirtualDevice cannot be null"; |
| private static final String MISSING_MEMBER_MSG = " member is required in VirtualDevice"; |
| |
| @Override |
| public ObjectNode encode(VirtualDevice vDev, CodecContext context) { |
| checkNotNull(vDev, NULL_OBJECT_MSG); |
| |
| ObjectNode result = context.mapper().createObjectNode() |
| .put(NETWORK_ID, vDev.networkId().toString()) |
| .put(ID, vDev.id().toString()); |
| |
| return result; |
| } |
| |
| @Override |
| public VirtualDevice decode(ObjectNode json, CodecContext context) { |
| if (json == null || !json.isObject()) { |
| return null; |
| } |
| |
| DeviceId dId = DeviceId.deviceId(extractMember(ID, json)); |
| NetworkId nId = NetworkId.networkId(Long.parseLong(extractMember(NETWORK_ID, json))); |
| return new DefaultVirtualDevice(nId, dId); |
| } |
| |
| /** |
| * Extract member from JSON ObjectNode. |
| * |
| * @param key key for which value is needed |
| * @param json JSON ObjectNode |
| * @return member value |
| */ |
| private String extractMember(String key, ObjectNode json) { |
| return nullIsIllegal(json.get(key), key + MISSING_MEMBER_MSG).asText(); |
| } |
| } |