| /* |
| * Copyright 2016-present Open Networking Laboratory |
| * |
| * 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.NiciraSetNshContextHeader; |
| import org.onosproject.net.NshContextHeader; |
| 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 NiciraSetNshContextHeader class. |
| */ |
| public class NiciraSetNshContextHeaderCodec extends JsonCodec<NiciraSetNshContextHeader> { |
| |
| private static final String NSH_CONTEXT_HEADER = "nshch"; |
| private static final String TYPE = "type"; |
| |
| private static final String MISSING_MEMBER_MESSAGE = " member is required in NiciraSetNshContextHeader"; |
| |
| @Override |
| public ObjectNode encode(NiciraSetNshContextHeader niciraSetNshContextHeader, CodecContext context) { |
| checkNotNull(niciraSetNshContextHeader, "Nicira Set Nsh Context Header cannot be null"); |
| ObjectNode root = context.mapper().createObjectNode() |
| .put(NSH_CONTEXT_HEADER, niciraSetNshContextHeader.nshCh().nshContextHeader()) |
| .put(TYPE, niciraSetNshContextHeader.type().type()); |
| return root; |
| } |
| |
| @Override |
| public NiciraSetNshContextHeader decode(ObjectNode json, CodecContext context) { |
| if (json == null || !json.isObject()) { |
| return null; |
| } |
| |
| // parse nsh context header |
| int contextHeaderInt = nullIsIllegal(json.get(NSH_CONTEXT_HEADER), |
| NSH_CONTEXT_HEADER + MISSING_MEMBER_MESSAGE).asInt(); |
| |
| NshContextHeader contextHeader = NshContextHeader.of(contextHeaderInt); |
| |
| // parse type |
| int extensionTypeInt = nullIsIllegal(json.get(TYPE), |
| TYPE + MISSING_MEMBER_MESSAGE).asInt(); |
| |
| ExtensionTreatmentType type = new ExtensionTreatmentType(extensionTypeInt); |
| |
| NiciraSetNshContextHeader niciraSetNshContextHeader = |
| new NiciraSetNshContextHeader(contextHeader, type); |
| |
| return niciraSetNshContextHeader; |
| } |
| } |