blob: 6f4fc536c9f61a96c7233ca8c964d24817c77561 [file] [log] [blame]
/*
* Copyright 2017-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.cfm.web;
import static org.onlab.util.Tools.nullIsIllegal;
import java.util.ArrayList;
import java.util.List;
import org.onosproject.codec.CodecContext;
import org.onosproject.codec.JsonCodec;
import org.onosproject.incubator.net.l2monitoring.cfm.identifier.MepId;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.node.ArrayNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
/**
* Encode and decode to/from JSON to RMep object.
*/
public class RMepCodec extends JsonCodec<MepId> {
/**
* Encodes the MepId entity into JSON.
*
* @param rmep MepId to encode
* @param context encoding context
* @return JSON node
* @throws java.lang.UnsupportedOperationException if the codec does not
* support encode operations
*/
@Override
public ObjectNode encode(MepId rmep, CodecContext context) {
return context.mapper().createObjectNode().put("rmep", rmep.id());
}
/**
* Encodes the collection of the MepId entities.
*
* @param rmeps collection of MepId to encode
* @param context encoding context
* @return JSON array
* @throws java.lang.UnsupportedOperationException if the codec does not
* support encode operations
*/
@Override
public ArrayNode encode(Iterable<MepId> rmeps, CodecContext context) {
ArrayNode an = context.mapper().createArrayNode();
rmeps.forEach(rmep -> an.add(encode(rmep, context)));
return an;
}
/**
* Decodes the MepId entity from JSON.
*
* @param json JSON to decode
* @param context decoding context
* @return decoded MepId
* @throws java.lang.UnsupportedOperationException if the codec does not
* support decode operations
*/
@Override
public MepId decode(ObjectNode json, CodecContext context) {
if (json == null || !json.isObject()) {
return null;
}
JsonNode rmepNode = json.get("rmep");
return MepId.valueOf((short)
nullIsIllegal(rmepNode, "rmep is required").asInt());
}
/**
* Decodes the MepId JSON array into a collection of entities.
*
* @param json JSON array to decode
* @param context decoding context
* @return collection of decoded MepId
* @throws java.lang.UnsupportedOperationException if the codec does not
* support decode operations
*/
@Override
public List<MepId> decode(ArrayNode json, CodecContext context) {
List<MepId> rmepList = new ArrayList<>();
json.forEach(node -> rmepList.add(decode((ObjectNode) node, context)));
return rmepList;
}
}