com.github.messenger4j.internal.gson.FloatSerializer Maven / Gradle / Ivy

package com.github.messenger4j.internal.gson;

import com.google.gson.JsonElement;
import com.google.gson.JsonPrimitive;
import com.google.gson.JsonSerializationContext;
import com.google.gson.JsonSerializer;
import java.lang.reflect.Type;
import java.math.BigDecimal;

/**
 * @author Max Grabenhorst
 * @since 1.0.0
 */
final class FloatSerializer implements JsonSerializer {

  @Override
  public JsonElement serialize(
      Float floatValue, Type type, JsonSerializationContext jsonSerializationContext) {
    if (floatValue.isNaN() || floatValue.isInfinite()) {
      return null;
    }
    return new JsonPrimitive(new BigDecimal(floatValue).setScale(2, BigDecimal.ROUND_HALF_UP));
  }
}