ActivePowerExtensionSerializer.java
/**
* Copyright (c) 2018, 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/.
* SPDX-License-Identifier: MPL-2.0
*/
package com.powsybl.security.json;
import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.core.JsonToken;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.SerializerProvider;
import com.google.auto.service.AutoService;
import com.powsybl.commons.PowsyblException;
import com.powsybl.commons.extensions.ExtensionJsonSerializer;
import com.powsybl.security.LimitViolation;
import com.powsybl.security.extensions.ActivePowerExtension;
import java.io.IOException;
/**
* @author Mathieu Bague {@literal <mathieu.bague at rte-france.com>}
*/
@AutoService(ExtensionJsonSerializer.class)
public class ActivePowerExtensionSerializer implements ExtensionJsonSerializer<LimitViolation, ActivePowerExtension> {
@Override
public String getExtensionName() {
return "ActivePower";
}
@Override
public String getCategoryName() {
return "security-analysis";
}
@Override
public Class<? super ActivePowerExtension> getExtensionClass() {
return ActivePowerExtension.class;
}
@Override
public void serialize(ActivePowerExtension extension, JsonGenerator jsonGenerator, SerializerProvider serializerProvider) throws IOException {
jsonGenerator.writeStartObject();
if (!Double.isNaN(extension.getPostContingencyValue())) {
jsonGenerator.writeNumberField("preContingencyValue", extension.getPreContingencyValue());
jsonGenerator.writeNumberField("postContingencyValue", extension.getPostContingencyValue());
} else {
jsonGenerator.writeNumberField("value", extension.getPreContingencyValue());
}
jsonGenerator.writeEndObject();
}
@Override
public ActivePowerExtension deserialize(JsonParser parser, DeserializationContext deserializationContext) throws IOException {
double value = Double.NaN;
double preContingencyValue = Double.NaN;
double postContingencyValue = Double.NaN;
while (parser.nextToken() != JsonToken.END_OBJECT) {
if (parser.currentName().equals("value")) {
parser.nextToken();
value = parser.readValueAs(Double.class);
} else if (parser.currentName().equals("preContingencyValue")) {
parser.nextToken();
preContingencyValue = parser.readValueAs(Double.class);
} else if (parser.currentName().equals("postContingencyValue")) {
parser.nextToken();
postContingencyValue = parser.readValueAs(Double.class);
} else {
throw new PowsyblException("Unexpected field: " + parser.currentName());
}
}
if (!Double.isNaN(value)) {
return new ActivePowerExtension(value);
} else {
return new ActivePowerExtension(preContingencyValue, postContingencyValue);
}
}
}