IdentifierDeserializer.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.iidm.network.identifiers.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.powsybl.commons.json.JsonUtil;
import com.powsybl.iidm.network.identifiers.*;
import java.io.IOException;
import java.util.Collections;
import java.util.List;
/**
* @author Etienne Lesot {@literal <etienne.lesot@rte-france.com>}
*/
public class IdentifierDeserializer extends StdDeserializer<NetworkElementIdentifier> {
private static final String CONTEXT_NAME = "Identifier";
private static final String CONTINGENCY_ID = "contingencyId";
public static final String IDENTIFIER_LIST_VERSION = "identifierListVersion";
public IdentifierDeserializer() {
super(NetworkElementIdentifier.class);
}
@Override
public NetworkElementIdentifier deserialize(JsonParser parser, DeserializationContext deserializationContext) throws IOException {
NetworkElementIdentifier.IdentifierType type = null;
String identifier = null;
String voltageLevelId1 = null;
String voltageLevelId2 = null;
String contingencyId = null;
String wildcard = IdWithWildcardsNetworkElementIdentifier.DEFAULT_WILDCARD_CHARACTER;
String version = JsonUtil.getSourceVersion(deserializationContext, IDENTIFIER_LIST_VERSION);
List<NetworkElementIdentifier> networkElementIdentifierList = Collections.emptyList();
char order = 0;
while (parser.nextToken() != JsonToken.END_OBJECT) {
switch (parser.currentName()) {
case "type" -> type = NetworkElementIdentifier.IdentifierType.valueOf(parser.nextTextValue());
case "identifier" -> identifier = parser.nextTextValue();
case CONTINGENCY_ID -> {
JsonUtil.assertGreaterOrEqualThanReferenceVersion(CONTEXT_NAME, CONTINGENCY_ID, version, "1.2");
contingencyId = parser.nextTextValue();
}
case "identifierList" -> {
parser.nextToken();
networkElementIdentifierList = JsonUtil.readList(deserializationContext, parser, NetworkElementIdentifier.class);
}
case "voltageLevelId1" -> voltageLevelId1 = parser.nextTextValue();
case "voltageLevelId2" -> voltageLevelId2 = parser.nextTextValue();
case "order" -> {
String orderStr = parser.nextTextValue();
if (orderStr.length() != 1) {
throw new IllegalArgumentException("order is one character");
}
order = orderStr.charAt(0);
}
case "wildcard" -> wildcard = parser.nextTextValue();
default -> throw new IllegalStateException("Unexpected field: " + parser.currentName());
}
}
if (type == null) {
throw new IllegalArgumentException("type of identifier can not be null");
}
return switch (type) {
case ID_BASED -> new IdBasedNetworkElementIdentifier(identifier, contingencyId);
case LIST -> new NetworkElementIdentifierContingencyList(networkElementIdentifierList, contingencyId);
case VOLTAGE_LEVELS_AND_ORDER ->
new VoltageLevelAndOrderNetworkElementIdentifier(voltageLevelId1, voltageLevelId2, order, contingencyId);
case ID_WITH_WILDCARDS -> new IdWithWildcardsNetworkElementIdentifier(identifier, wildcard, contingencyId);
};
}
}