RoundTripUtil.java
/*
* Copyright (c) 2020, 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/.
*/
package com.powsybl.openrao.data.crac.io.json;
import com.fasterxml.jackson.annotation.JsonInclude;
import com.fasterxml.jackson.databind.ObjectMapper;
import com.fasterxml.jackson.databind.ObjectWriter;
import com.fasterxml.jackson.databind.module.SimpleModule;
import com.powsybl.iidm.network.Network;
import com.powsybl.openrao.data.crac.api.Crac;
import com.powsybl.openrao.data.crac.api.parameters.CracCreationParameters;
import com.powsybl.openrao.data.crac.io.json.serializers.CracJsonSerializerModule;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.UncheckedIOException;
import static com.powsybl.commons.json.JsonUtil.createObjectMapper;
/**
* @author Joris Mancini {@literal <joris.mancini at rte-france.com>}
*/
public final class RoundTripUtil {
private RoundTripUtil() {
}
/**
* This utilitary class enable to export an object through ObjectMapper in an OutputStream
* and then re-import this stream as the object. The purpose is to see if the whole export/import
* process works fine.
*
* @param object: object to export/import
* @return the object exported and re-imported
*/
static Crac implicitJsonRoundTrip(Crac object, Network network) {
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
object.write("JSON", outputStream);
try (ByteArrayInputStream inputStream = new ByteArrayInputStream(outputStream.toByteArray())) {
return Crac.read("crac.json", inputStream, network);
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}
static Crac explicitJsonRoundTrip(Crac object, Network network) {
ByteArrayOutputStream outputStream = new ByteArrayOutputStream();
try {
ObjectMapper objectMapper = createObjectMapper();
objectMapper.setSerializationInclusion(JsonInclude.Include.NON_NULL);
SimpleModule module = new CracJsonSerializerModule();
objectMapper.registerModule(module);
ObjectWriter writer = objectMapper.writerWithDefaultPrettyPrinter();
writer.writeValue(outputStream, object);
} catch (IOException e) {
throw new UncheckedIOException(e);
}
try (ByteArrayInputStream inputStream = new ByteArrayInputStream(outputStream.toByteArray())) {
return new JsonImport().importData(inputStream, CracCreationParameters.load(), network).getCrac();
} catch (IOException e) {
throw new UncheckedIOException(e);
}
}
}