Ray Milkey | 4f5de00 | 2014-12-17 19:26:11 -0800 | [diff] [blame] | 1 | /* |
Ray Milkey | 34c9590 | 2015-04-15 09:47:53 -0700 | [diff] [blame] | 2 | * Copyright 2014-2015 Open Networking Laboratory |
Ray Milkey | 4f5de00 | 2014-12-17 19:26:11 -0800 | [diff] [blame] | 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.codec.impl; |
| 17 | |
Ray Milkey | d43fe45 | 2015-05-29 09:35:12 -0700 | [diff] [blame] | 18 | import java.util.stream.IntStream; |
| 19 | |
Ray Milkey | 4f5de00 | 2014-12-17 19:26:11 -0800 | [diff] [blame] | 20 | import org.onosproject.codec.CodecContext; |
| 21 | import org.onosproject.codec.JsonCodec; |
Ray Milkey | d43fe45 | 2015-05-29 09:35:12 -0700 | [diff] [blame] | 22 | import org.onosproject.net.flow.DefaultTrafficSelector; |
Ray Milkey | 4f5de00 | 2014-12-17 19:26:11 -0800 | [diff] [blame] | 23 | import org.onosproject.net.flow.TrafficSelector; |
| 24 | import org.onosproject.net.flow.criteria.Criterion; |
| 25 | |
Ray Milkey | d43fe45 | 2015-05-29 09:35:12 -0700 | [diff] [blame] | 26 | import com.fasterxml.jackson.databind.JsonNode; |
Ray Milkey | 4f5de00 | 2014-12-17 19:26:11 -0800 | [diff] [blame] | 27 | import com.fasterxml.jackson.databind.node.ArrayNode; |
| 28 | import com.fasterxml.jackson.databind.node.ObjectNode; |
| 29 | |
| 30 | import static com.google.common.base.Preconditions.checkNotNull; |
| 31 | |
| 32 | /** |
| 33 | * Traffic selector codec. |
| 34 | */ |
Ray Milkey | 540b2ce | 2015-02-04 17:50:20 -0800 | [diff] [blame] | 35 | public final class TrafficSelectorCodec extends JsonCodec<TrafficSelector> { |
Ray Milkey | d43fe45 | 2015-05-29 09:35:12 -0700 | [diff] [blame] | 36 | private static final String CRITERIA = "criteria"; |
| 37 | |
Ray Milkey | 4f5de00 | 2014-12-17 19:26:11 -0800 | [diff] [blame] | 38 | @Override |
| 39 | public ObjectNode encode(TrafficSelector selector, CodecContext context) { |
| 40 | checkNotNull(selector, "Traffic selector cannot be null"); |
| 41 | |
| 42 | final ObjectNode result = context.mapper().createObjectNode(); |
Ray Milkey | d43fe45 | 2015-05-29 09:35:12 -0700 | [diff] [blame] | 43 | final ArrayNode jsonCriteria = result.putArray(CRITERIA); |
Ray Milkey | 4f5de00 | 2014-12-17 19:26:11 -0800 | [diff] [blame] | 44 | |
| 45 | if (selector.criteria() != null) { |
Ray Milkey | c95bb9d | 2015-01-06 10:28:24 -0800 | [diff] [blame] | 46 | final JsonCodec<Criterion> criterionCodec = |
| 47 | context.codec(Criterion.class); |
| 48 | for (final Criterion criterion : selector.criteria()) { |
| 49 | jsonCriteria.add(criterionCodec.encode(criterion, context)); |
Ray Milkey | 4f5de00 | 2014-12-17 19:26:11 -0800 | [diff] [blame] | 50 | } |
| 51 | } |
| 52 | |
| 53 | return result; |
| 54 | } |
Ray Milkey | d43fe45 | 2015-05-29 09:35:12 -0700 | [diff] [blame] | 55 | |
| 56 | @Override |
| 57 | public TrafficSelector decode(ObjectNode json, CodecContext context) { |
| 58 | final JsonCodec<Criterion> criterionCodec = |
| 59 | context.codec(Criterion.class); |
| 60 | |
| 61 | JsonNode criteriaJson = json.get(CRITERIA); |
| 62 | TrafficSelector.Builder builder = DefaultTrafficSelector.builder(); |
| 63 | if (criteriaJson != null) { |
| 64 | IntStream.range(0, criteriaJson.size()) |
| 65 | .forEach(i -> builder.add( |
| 66 | criterionCodec.decode((ObjectNode) criteriaJson.get(i), |
| 67 | context))); |
| 68 | } |
| 69 | return builder.build(); |
| 70 | } |
Ray Milkey | 4f5de00 | 2014-12-17 19:26:11 -0800 | [diff] [blame] | 71 | } |