BusResultDeserializer.java
/**
* Copyright (c) 2022, 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.JsonParser;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
import com.google.common.base.Suppliers;
import com.powsybl.commons.extensions.Extension;
import com.powsybl.commons.extensions.ExtensionJsonSerializer;
import com.powsybl.commons.extensions.ExtensionProviders;
import com.powsybl.commons.json.JsonUtil;
import com.powsybl.security.results.BusResult;
import java.io.IOException;
import java.util.Collections;
import java.util.List;
import java.util.function.Supplier;
/**
* @author Geoffroy Jamgotchian {@literal <geoffroy.jamgotchian at rte-france.com>}
*/
public class BusResultDeserializer extends StdDeserializer<BusResult> {
private static final Supplier<ExtensionProviders<ExtensionJsonSerializer>> SUPPLIER =
Suppliers.memoize(() -> ExtensionProviders.createProvider(ExtensionJsonSerializer.class, "security-analysis"));
public BusResultDeserializer() {
super(BusResult.class);
}
private static class ParsingContext {
String voltageLevelId;
String busId;
double v = Double.NaN;
double angle = Double.NaN;
List<Extension<BusResult>> extensions = Collections.emptyList();
}
@Override
public BusResult deserialize(JsonParser jsonParser, DeserializationContext deserializationContext) throws IOException {
ParsingContext context = new ParsingContext();
JsonUtil.parseObject(jsonParser, name -> {
switch (name) {
case "voltageLevelId":
context.voltageLevelId = jsonParser.nextTextValue();
return true;
case "busId":
context.busId = jsonParser.nextTextValue();
return true;
case "v":
jsonParser.nextToken();
context.v = jsonParser.getValueAsDouble();
return true;
case "angle":
jsonParser.nextToken();
context.angle = jsonParser.getValueAsDouble();
return true;
case "extensions":
jsonParser.nextToken();
context.extensions = JsonUtil.readExtensions(jsonParser, deserializationContext, SUPPLIER.get());
break;
default:
return false;
}
return false;
});
BusResult busResult = new BusResult(context.voltageLevelId, context.busId, context.v, context.angle);
SUPPLIER.get().addExtensions(busResult, context.extensions);
return busResult;
}
}