NetworkMetadataDeserializer.java
/**
* Copyright (c) 2017, 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.core.JsonToken;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
import com.google.common.base.Suppliers;
import com.powsybl.commons.PowsyblException;
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.NetworkMetadata;
import java.io.IOException;
import java.time.ZonedDateTime;
import java.util.Collections;
import java.util.List;
import java.util.function.Supplier;
/**
* @author Mathieu Bague {@literal <mathieu.bague at rte-france.com>}
*/
public class NetworkMetadataDeserializer extends StdDeserializer<NetworkMetadata> {
private static final Supplier<ExtensionProviders<ExtensionJsonSerializer>> SUPPLIER =
Suppliers.memoize(() -> ExtensionProviders.createProvider(ExtensionJsonSerializer.class, "security-analysis"));
public NetworkMetadataDeserializer() {
super(NetworkMetadata.class);
}
@Override
public NetworkMetadata deserialize(JsonParser parser, DeserializationContext deserializationContext) throws IOException {
String id = null;
String sourceFormat = null;
ZonedDateTime caseDate = null;
int forecastDistance = 0;
List<Extension<NetworkMetadata>> extensions = Collections.emptyList();
while (parser.nextToken() != JsonToken.END_OBJECT) {
switch (parser.currentName()) {
case "id":
id = parser.nextTextValue();
break;
case "sourceFormat":
sourceFormat = parser.nextTextValue();
break;
case "caseDate":
caseDate = ZonedDateTime.parse(parser.nextTextValue());
break;
case "forecastDistance":
forecastDistance = parser.nextIntValue(0);
break;
case "extensions":
parser.nextToken();
extensions = JsonUtil.readExtensions(parser, deserializationContext, SUPPLIER.get());
break;
default:
throw new PowsyblException("Unexpected field: " + parser.currentName());
}
}
NetworkMetadata metadata = new NetworkMetadata(id, sourceFormat, caseDate, forecastDistance);
SUPPLIER.get().addExtensions(metadata, extensions);
return metadata;
}
}