JsonDynaFlowParametersSerializer.java
/**
* Copyright (c) 2020, RTE (http://www.rte-france.com)
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*/
package com.powsybl.dynaflow.json;
import com.fasterxml.jackson.annotation.JsonIgnore;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.ObjectReader;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.google.auto.service.AutoService;
import com.powsybl.commons.extensions.ExtensionJsonSerializer;
import com.powsybl.commons.json.JsonUtil;
import com.powsybl.dynaflow.DynaFlowParameters;
import com.powsybl.loadflow.LoadFlowParameters;
import java.io.IOException;
/**
* Represents {@link DynaFlowParameters} as a Json extension of {@link LoadFlowParameters}
* @author Guillaume Pernin {@literal <guillaume.pernin at rte-france.com>}
*/
@AutoService(ExtensionJsonSerializer.class)
public class JsonDynaFlowParametersSerializer implements ExtensionJsonSerializer<LoadFlowParameters, DynaFlowParameters> {
@Override
public String getCategoryName() {
return "loadflow-parameters";
}
@Override
public Class<? super DynaFlowParameters> getExtensionClass() {
return DynaFlowParameters.class;
}
@Override
public String getExtensionName() {
return "DynaFlowParameters";
}
/**
* Specifies serialization for our extension: ignore name et extendable
*/
private interface SerializationSpec {
@JsonIgnore
String getName();
@JsonIgnore
LoadFlowParameters getExtendable();
}
private static ObjectMapper createMapper() {
return JsonUtil.createObjectMapper()
.addMixIn(DynaFlowParameters.class, SerializationSpec.class)
.setSerializationInclusion(JsonInclude.Include.NON_ABSENT);
}
@Override
public void serialize(DynaFlowParameters jsonDynaFlowParameters, JsonGenerator jsonGenerator,
SerializerProvider provider) throws IOException {
createMapper().writeValue(jsonGenerator, jsonDynaFlowParameters);
}
@Override
public DynaFlowParameters deserialize(JsonParser parser, DeserializationContext context) throws IOException {
return createMapper().readValue(parser, DynaFlowParameters.class);
}
@Override
public DynaFlowParameters deserializeAndUpdate(JsonParser parser, DeserializationContext context, DynaFlowParameters toUpdateParameters) throws IOException {
ObjectMapper objectMapper = createMapper();
ObjectReader objectReader = objectMapper.readerForUpdating(toUpdateParameters);
return objectReader.readValue(parser, DynaFlowParameters.class);
}
}