org.dominokit.jackson.ser.array.PrimitiveDoubleArrayJsonSerializer Maven / Gradle / Ivy
/*
* Copyright 2013 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.ser.array;
import org.dominokit.jackson.JsonSerializationContext;
import org.dominokit.jackson.JsonSerializer;
import org.dominokit.jackson.JsonSerializerParameters;
import org.dominokit.jackson.stream.JsonWriter;
/** Default {@link org.dominokit.jackson.JsonSerializer} implementation for array of double. */
public class PrimitiveDoubleArrayJsonSerializer extends JsonSerializer {
private static final PrimitiveDoubleArrayJsonSerializer INSTANCE =
new PrimitiveDoubleArrayJsonSerializer();
/**
* getInstance
*
* @return an instance of {@link
* org.dominokit.jackson.ser.array.PrimitiveDoubleArrayJsonSerializer}
*/
public static PrimitiveDoubleArrayJsonSerializer getInstance() {
return INSTANCE;
}
private PrimitiveDoubleArrayJsonSerializer() {}
/** {@inheritDoc} */
@Override
protected boolean isEmpty(double[] value) {
return null == value || value.length == 0;
}
/** {@inheritDoc} */
@Override
public void doSerialize(
JsonWriter writer,
double[] values,
JsonSerializationContext ctx,
JsonSerializerParameters params) {
if (!ctx.isWriteEmptyJsonArrays() && values.length == 0) {
writer.cancelName();
return;
}
if (ctx.isWriteSingleElemArraysUnwrapped() && values.length == 1) {
writer.value(values[0]);
} else {
writer.beginArray();
for (double value : values) {
writer.value(value);
}
writer.endArray();
}
}
}