org.dominokit.jackson.deser.array.dd.PrimitiveDoubleArray2dJsonDeserializer Maven / Gradle / Ivy
/*
* Copyright 2014 Nicolas Morel
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.dominokit.jackson.deser.array.dd;
import java.util.List;
import org.dominokit.jackson.JsonDeserializationContext;
import org.dominokit.jackson.JsonDeserializerParameters;
import org.dominokit.jackson.deser.BaseNumberJsonDeserializer;
import org.dominokit.jackson.stream.JsonReader;
/** Default {@link org.dominokit.jackson.JsonDeserializer} implementation for 2D array of double. */
public class PrimitiveDoubleArray2dJsonDeserializer
extends AbstractArray2dJsonDeserializer {
private static final PrimitiveDoubleArray2dJsonDeserializer INSTANCE =
new PrimitiveDoubleArray2dJsonDeserializer();
/**
* getInstance
*
* @return an instance of {@link
* org.dominokit.jackson.deser.array.dd.PrimitiveDoubleArray2dJsonDeserializer}
*/
public static PrimitiveDoubleArray2dJsonDeserializer getInstance() {
return INSTANCE;
}
private PrimitiveDoubleArray2dJsonDeserializer() {}
/** {@inheritDoc} */
@Override
public double[][] doDeserialize(
JsonReader reader, JsonDeserializationContext ctx, JsonDeserializerParameters params) {
List> list =
deserializeIntoList(
reader, ctx, BaseNumberJsonDeserializer.DoubleJsonDeserializer.getInstance(), params);
if (list.isEmpty()) {
return new double[0][0];
}
List firstList = list.get(0);
if (firstList.isEmpty()) {
return new double[list.size()][0];
}
double[][] array = new double[list.size()][firstList.size()];
int i = 0;
int j;
for (List innerList : list) {
j = 0;
for (Double value : innerList) {
if (null != value) {
array[i][j] = value;
}
j++;
}
i++;
}
return array;
}
}