| /* |
| * 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 org.onosproject.codec.CodecContext; |
| import org.onosproject.codec.JsonCodec; |
| import org.onosproject.net.DeviceId; |
| import org.onosproject.net.HostLocation; |
| |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import org.onosproject.net.PortNumber; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.onlab.util.Tools.nullIsIllegal; |
| |
| /** |
| * HostLocation JSON codec. |
| */ |
| public final class HostLocationCodec extends JsonCodec<HostLocation> { |
| |
| public static final String ELEMENT_ID = "elementId"; |
| public static final String PORT = "port"; |
| |
| private static final String MISSING_MEMBER_MESSAGE = |
| " member is required in HostLocation"; |
| |
| @Override |
| public ObjectNode encode(HostLocation hostLocation, CodecContext context) { |
| checkNotNull(hostLocation, "Host location cannot be null"); |
| return context.mapper().createObjectNode() |
| .put(ELEMENT_ID, hostLocation.elementId().toString()) |
| .put(PORT, hostLocation.port().toString()); |
| } |
| |
| @Override |
| public HostLocation decode(ObjectNode json, CodecContext context) { |
| if (json == null || !json.isObject()) { |
| return null; |
| } |
| |
| DeviceId deviceId = DeviceId.deviceId(nullIsIllegal( |
| json.get(ELEMENT_ID), ELEMENT_ID + MISSING_MEMBER_MESSAGE).asText()); |
| PortNumber portNumber = PortNumber.portNumber(nullIsIllegal( |
| json.get(PORT), PORT + MISSING_MEMBER_MESSAGE).asText()); |
| |
| return new HostLocation(deviceId, portNumber, 0); |
| } |
| } |