| /* |
| * 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.Ofdpa3CopyField; |
| |
| import static com.google.common.base.Preconditions.checkNotNull; |
| import static org.onlab.util.Tools.nullIsIllegal; |
| |
| /** |
| * JSON Codec for Ofdpa copy field class. |
| */ |
| public class Ofdpa3CopyFieldCodec extends JsonCodec<Ofdpa3CopyField> { |
| |
| private static final String N_BITS = "nBits"; |
| private static final String SRC = "src"; |
| private static final String DST = "dst"; |
| private static final String SRC_OFFSET = "srcOffset"; |
| private static final String DST_OFFSET = "dstOffset"; |
| |
| private static final String MISSING_MEMBER_MESSAGE = " member is required in Ofdpa3CopyField"; |
| private static final String MISSING_COPY_FIELD_MESSAGE = "CopyField can not be null"; |
| |
| @Override |
| public ObjectNode encode(Ofdpa3CopyField copyField, CodecContext context) { |
| checkNotNull(copyField, MISSING_COPY_FIELD_MESSAGE); |
| return context.mapper().createObjectNode() |
| .put(N_BITS, copyField.getnBits()) |
| .put(SRC_OFFSET, copyField.getSrcOffset()) |
| .put(DST_OFFSET, copyField.getDstOffset()) |
| .put(SRC, copyField.getSrc()) |
| .put(DST, copyField.getDst()); |
| } |
| |
| @Override |
| public Ofdpa3CopyField decode(ObjectNode json, CodecContext context) { |
| if (json == null || !json.isObject()) { |
| return null; |
| } |
| |
| // parse members of copy field action |
| int nBits = (int) nullIsIllegal(json.get(N_BITS), |
| N_BITS + MISSING_MEMBER_MESSAGE).asInt(); |
| int src = (int) nullIsIllegal(json.get(SRC), |
| SRC + MISSING_MEMBER_MESSAGE).asInt(); |
| int dst = (int) nullIsIllegal(json.get(DST), |
| DST + MISSING_MEMBER_MESSAGE).asInt(); |
| int srcOffset = (int) nullIsIllegal(json.get(SRC_OFFSET), |
| SRC_OFFSET + MISSING_MEMBER_MESSAGE).asInt(); |
| int dstOffset = (int) nullIsIllegal(json.get(DST_OFFSET), |
| DST_OFFSET + MISSING_MEMBER_MESSAGE).asInt(); |
| return new Ofdpa3CopyField(nBits, src, dst, srcOffset, dstOffset); |
| } |
| } |