| /* |
| * Copyright 2017-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.routeservice.rest; |
| |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import org.onlab.packet.IpAddress; |
| import org.onlab.packet.IpPrefix; |
| import org.onosproject.codec.CodecContext; |
| import org.onosproject.codec.JsonCodec; |
| import org.onosproject.routeservice.Route; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| |
| /** |
| * Codec to encode and decode a unicast route to and from JSON. |
| */ |
| public class RouteCodec extends JsonCodec<Route> { |
| |
| private static final String SOURCE = "source"; |
| private static final String PREFIX = "prefix"; |
| private static final String NEXT_HOP = "nextHop"; |
| |
| @Override |
| public ObjectNode encode(Route route, CodecContext context) { |
| checkNotNull(route); |
| ObjectNode root = context.mapper().createObjectNode() |
| .put(SOURCE, route.source().toString()) |
| .put(PREFIX, route.prefix().toString()) |
| .put(NEXT_HOP, route.nextHop().toString()); |
| |
| return root; |
| } |
| |
| @Override |
| public Route decode(ObjectNode json, CodecContext context) { |
| if (json == null || !json.isObject()) { |
| return null; |
| } |
| |
| IpPrefix prefix = IpPrefix.valueOf(json.path(PREFIX).asText()); |
| IpAddress nextHop = IpAddress.valueOf(json.path(NEXT_HOP).asText()); |
| String source = json.path(SOURCE).asText(); |
| |
| // Routes through the REST API without mentioning source in the json are created as STATIC, |
| // otherwise routes are created with corresponding source. |
| |
| Route route = source.isEmpty() ? |
| new Route(Route.Source.STATIC, prefix, nextHop) : |
| new Route(Route.Source.valueOf(source), prefix, nextHop); |
| return route; |
| } |
| } |