| /* |
| * Copyright 2016-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.driver.extensions.codec; |
| |
| import com.fasterxml.jackson.databind.node.ObjectNode; |
| import org.onosproject.codec.CodecContext; |
| import org.onosproject.codec.JsonCodec; |
| import org.onosproject.driver.extensions.DefaultMoveExtensionTreatment; |
| import org.onosproject.driver.extensions.MoveExtensionTreatment; |
| import org.onosproject.net.flow.instructions.ExtensionTreatmentType; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.onlab.util.Tools.nullIsIllegal; |
| |
| /** |
| * JSON Codec for MoveExtensionTreatment class. |
| */ |
| public final class MoveExtensionTreatmentCodec extends JsonCodec<MoveExtensionTreatment> { |
| |
| private static final String SRC_OFS = "srcOfs"; |
| private static final String DST_OFS = "dstOfs"; |
| private static final String N_BITS = "nBits"; |
| private static final String SRC = "src"; |
| private static final String DST = "dst"; |
| private static final String TYPE = "type"; |
| |
| private static final String MISSING_MEMBER_MESSAGE = " member is required in MoveExtensionTreatment"; |
| |
| @Override |
| public ObjectNode encode(MoveExtensionTreatment moveExtensionTreatment, CodecContext context) { |
| checkNotNull(moveExtensionTreatment, "Move Extension Treatment cannot be null"); |
| ObjectNode root = context.mapper().createObjectNode() |
| .put(SRC_OFS, moveExtensionTreatment.srcOffset()) |
| .put(DST_OFS, moveExtensionTreatment.dstOffset()) |
| .put(N_BITS, moveExtensionTreatment.nBits()) |
| .put(SRC, moveExtensionTreatment.src()) |
| .put(DST, moveExtensionTreatment.dst()); |
| return root; |
| } |
| |
| @Override |
| public MoveExtensionTreatment decode(ObjectNode json, CodecContext context) { |
| if (json == null || !json.isObject()) { |
| return null; |
| } |
| |
| // parse extension treatment type |
| ExtensionTreatmentType type = new ExtensionTreatmentType(nullIsIllegal(json.get(TYPE), |
| TYPE + MISSING_MEMBER_MESSAGE).asInt()); |
| |
| // parse src off set |
| int srcOfs = nullIsIllegal(json.get(SRC_OFS), SRC_OFS + MISSING_MEMBER_MESSAGE).asInt(); |
| |
| // parse dst off set |
| int dstOfs = nullIsIllegal(json.get(DST_OFS), DST_OFS + MISSING_MEMBER_MESSAGE).asInt(); |
| |
| // parse n bits |
| int nBits = nullIsIllegal(json.get(N_BITS), N_BITS + MISSING_MEMBER_MESSAGE).asInt(); |
| |
| // parse src |
| int src = nullIsIllegal(json.get(SRC), SRC + MISSING_MEMBER_MESSAGE).asInt(); |
| |
| // parse dst |
| int dst = nullIsIllegal(json.get(DST), DST + MISSING_MEMBER_MESSAGE).asInt(); |
| |
| return new DefaultMoveExtensionTreatment(srcOfs, dstOfs, nBits, src, dst, type); |
| } |
| } |