Jian Li | dab7256 | 2016-04-12 14:10:32 -0700 | [diff] [blame] | 1 | /* |
Brian O'Connor | a09fe5b | 2017-08-03 21:12:30 -0700 | [diff] [blame] | 2 | * Copyright 2016-present Open Networking Foundation |
Jian Li | dab7256 | 2016-04-12 14:10:32 -0700 | [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.driver.extensions.codec; |
| 17 | |
| 18 | import com.fasterxml.jackson.databind.node.ObjectNode; |
| 19 | import org.onosproject.codec.CodecContext; |
| 20 | import org.onosproject.codec.JsonCodec; |
| 21 | import org.onosproject.driver.extensions.DefaultMoveExtensionTreatment; |
| 22 | import org.onosproject.driver.extensions.MoveExtensionTreatment; |
| 23 | import org.onosproject.net.flow.instructions.ExtensionTreatmentType; |
| 24 | |
| 25 | import static com.google.common.base.Preconditions.checkNotNull; |
| 26 | import static org.onlab.util.Tools.nullIsIllegal; |
| 27 | |
| 28 | /** |
| 29 | * JSON Codec for MoveExtensionTreatment class. |
| 30 | */ |
| 31 | public final class MoveExtensionTreatmentCodec extends JsonCodec<MoveExtensionTreatment> { |
| 32 | |
| 33 | private static final String SRC_OFS = "srcOfs"; |
| 34 | private static final String DST_OFS = "dstOfs"; |
| 35 | private static final String N_BITS = "nBits"; |
| 36 | private static final String SRC = "src"; |
| 37 | private static final String DST = "dst"; |
| 38 | private static final String TYPE = "type"; |
| 39 | |
| 40 | private static final String MISSING_MEMBER_MESSAGE = " member is required in MoveExtensionTreatment"; |
| 41 | |
| 42 | @Override |
| 43 | public ObjectNode encode(MoveExtensionTreatment moveExtensionTreatment, CodecContext context) { |
| 44 | checkNotNull(moveExtensionTreatment, "Move Extension Treatment cannot be null"); |
| 45 | ObjectNode root = context.mapper().createObjectNode() |
| 46 | .put(SRC_OFS, moveExtensionTreatment.srcOffset()) |
| 47 | .put(DST_OFS, moveExtensionTreatment.dstOffset()) |
| 48 | .put(N_BITS, moveExtensionTreatment.nBits()) |
| 49 | .put(SRC, moveExtensionTreatment.src()) |
| 50 | .put(DST, moveExtensionTreatment.dst()); |
| 51 | return root; |
| 52 | } |
| 53 | |
| 54 | @Override |
| 55 | public MoveExtensionTreatment decode(ObjectNode json, CodecContext context) { |
| 56 | if (json == null || !json.isObject()) { |
| 57 | return null; |
| 58 | } |
| 59 | |
| 60 | // parse extension treatment type |
| 61 | ExtensionTreatmentType type = new ExtensionTreatmentType(nullIsIllegal(json.get(TYPE), |
| 62 | TYPE + MISSING_MEMBER_MESSAGE).asInt()); |
| 63 | |
| 64 | // parse src off set |
| 65 | int srcOfs = nullIsIllegal(json.get(SRC_OFS), SRC_OFS + MISSING_MEMBER_MESSAGE).asInt(); |
| 66 | |
| 67 | // parse dst off set |
| 68 | int dstOfs = nullIsIllegal(json.get(DST_OFS), DST_OFS + MISSING_MEMBER_MESSAGE).asInt(); |
| 69 | |
| 70 | // parse n bits |
| 71 | int nBits = nullIsIllegal(json.get(N_BITS), N_BITS + MISSING_MEMBER_MESSAGE).asInt(); |
| 72 | |
| 73 | // parse src |
| 74 | int src = nullIsIllegal(json.get(SRC), SRC + MISSING_MEMBER_MESSAGE).asInt(); |
| 75 | |
| 76 | // parse dst |
| 77 | int dst = nullIsIllegal(json.get(DST), DST + MISSING_MEMBER_MESSAGE).asInt(); |
| 78 | |
Jian Li | 08926a9 | 2016-05-05 15:35:40 -0700 | [diff] [blame] | 79 | return new DefaultMoveExtensionTreatment(srcOfs, dstOfs, nBits, src, dst, type); |
Jian Li | dab7256 | 2016-04-12 14:10:32 -0700 | [diff] [blame] | 80 | } |
| 81 | } |