BranchResultDeserializer.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.BranchResult;
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 BranchResultDeserializer extends StdDeserializer<BranchResult> {
private static final Supplier<ExtensionProviders<ExtensionJsonSerializer>> SUPPLIER =
Suppliers.memoize(() -> ExtensionProviders.createProvider(ExtensionJsonSerializer.class, "security-analysis"));
public BranchResultDeserializer() {
super(BranchResult.class);
}
private static class ParsingContext {
String branchId;
double p1 = Double.NaN;
double q1 = Double.NaN;
double i1 = Double.NaN;
double p2 = Double.NaN;
double q2 = Double.NaN;
double i2 = Double.NaN;
double flowTransfer = Double.NaN;
List<Extension<BranchResult>> extensions = Collections.emptyList();
}
@Override
public BranchResult deserialize(JsonParser jsonParser, DeserializationContext deserializationContext) throws IOException {
ParsingContext context = new ParsingContext();
JsonUtil.parseObject(jsonParser, name -> {
switch (name) {
case "branchId":
context.branchId = jsonParser.nextTextValue();
return true;
case "p1":
jsonParser.nextToken();
context.p1 = jsonParser.getValueAsDouble();
return true;
case "q1":
jsonParser.nextToken();
context.q1 = jsonParser.getValueAsDouble();
return true;
case "i1":
jsonParser.nextToken();
context.i1 = jsonParser.getValueAsDouble();
return true;
case "p2":
jsonParser.nextToken();
context.p2 = jsonParser.getValueAsDouble();
return true;
case "q2":
jsonParser.nextToken();
context.q2 = jsonParser.getValueAsDouble();
return true;
case "i2":
jsonParser.nextToken();
context.i2 = jsonParser.getValueAsDouble();
return true;
case "flowTransfer":
jsonParser.nextToken();
context.flowTransfer = jsonParser.getValueAsDouble();
return true;
case "extensions":
jsonParser.nextToken();
context.extensions = JsonUtil.readExtensions(jsonParser, deserializationContext, SUPPLIER.get());
break;
default:
return false;
}
return false;
});
BranchResult branchResult = new BranchResult(context.branchId,
context.p1, context.q1, context.i1,
context.p2, context.q2, context.i2,
context.flowTransfer);
SUPPLIER.get().addExtensions(branchResult, context.extensions);
return branchResult;
}
}