DataChunkJsonDeserializer.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.timeseries.json;
import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.deser.std.StdDeserializer;
import com.powsybl.timeseries.DataChunk;
import com.powsybl.timeseries.DoubleDataChunk;
import com.powsybl.timeseries.StringDataChunk;
import com.powsybl.timeseries.TimeSeriesException;
import java.util.ArrayList;
import java.util.List;
/**
* @author Geoffroy Jamgotchian {@literal <geoffroy.jamgotchian at rte-france.com>}
*/
public class DataChunkJsonDeserializer extends StdDeserializer<DataChunk> {
public DataChunkJsonDeserializer() {
super(DataChunk.class);
}
@Override
public DataChunk deserialize(JsonParser jsonParser, DeserializationContext deserializationContext) {
List<DoubleDataChunk> doubleChunks = new ArrayList<>();
List<StringDataChunk> stringChunks = new ArrayList<>();
DataChunk.parseJson(jsonParser, doubleChunks, stringChunks, true);
if (doubleChunks.size() == 1) {
return doubleChunks.get(0);
} else if (stringChunks.size() == 1) {
return stringChunks.get(0);
} else {
throw new TimeSeriesException("Array chunk JSON deserialization error");
}
}
}