Jonathan Hart | 8338b8d | 2017-08-15 15:46:14 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2017-present Open Networking Foundation |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.onosproject.routeservice.rest; |
| 17 | |
| 18 | import com.fasterxml.jackson.databind.node.ObjectNode; |
| 19 | import org.onlab.packet.IpAddress; |
| 20 | import org.onlab.packet.IpPrefix; |
| 21 | import org.onosproject.codec.CodecContext; |
| 22 | import org.onosproject.codec.JsonCodec; |
| 23 | import org.onosproject.routeservice.Route; |
| 24 | |
| 25 | import static com.google.common.base.Preconditions.checkNotNull; |
| 26 | |
| 27 | /** |
| 28 | * Codec to encode and decode a unicast route to and from JSON. |
| 29 | */ |
| 30 | public class RouteCodec extends JsonCodec<Route> { |
| 31 | |
| 32 | private static final String SOURCE = "source"; |
| 33 | private static final String PREFIX = "prefix"; |
| 34 | private static final String NEXT_HOP = "nextHop"; |
| 35 | |
| 36 | @Override |
| 37 | public ObjectNode encode(Route route, CodecContext context) { |
| 38 | checkNotNull(route); |
| 39 | ObjectNode root = context.mapper().createObjectNode() |
| 40 | .put(SOURCE, route.source().toString()) |
| 41 | .put(PREFIX, route.prefix().toString()) |
| 42 | .put(NEXT_HOP, route.nextHop().toString()); |
| 43 | |
| 44 | return root; |
| 45 | } |
| 46 | |
| 47 | @Override |
| 48 | public Route decode(ObjectNode json, CodecContext context) { |
| 49 | if (json == null || !json.isObject()) { |
| 50 | return null; |
| 51 | } |
| 52 | |
| 53 | IpPrefix prefix = IpPrefix.valueOf(json.path(PREFIX).asText()); |
| 54 | IpAddress nextHop = IpAddress.valueOf(json.path(NEXT_HOP).asText()); |
| 55 | |
| 56 | // Routes through the REST API are created as STATIC, so we ignore |
| 57 | // the source parameter if it is specified in the JSON. |
| 58 | Route route = new Route(Route.Source.STATIC, prefix, nextHop); |
| 59 | |
| 60 | return route; |
| 61 | } |
| 62 | } |