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package com.mogudiandian.util.json.jackson;

import com.fasterxml.jackson.core.JsonGenerator;
import com.fasterxml.jackson.databind.JsonSerializer;
import com.fasterxml.jackson.databind.SerializerProvider;

import java.io.IOException;
import java.math.BigDecimal;
import java.math.RoundingMode;

/**
 * BigDecimal使用jackson序列化保留两位小数
 * @author Joshua Sun
 * @since 1.0.0
 */
public class BigDecimal2BitsSerializer extends JsonSerializer {

    @Override
    public void serialize(BigDecimal value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
        if (value == null) {
            gen.writeNull();
        } else {
            gen.writeNumber(value.setScale(2, RoundingMode.HALF_UP).stripTrailingZeros());
        }
    }

}