package com.xcong.excoin.common.utils;

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;

/**
 * BigDecimal保留两位小数
 * 
 */
public class BigDecimalSerialize extends JsonSerializer<BigDecimal> {

	@Override
	public void serialize(BigDecimal value, JsonGenerator gen, SerializerProvider serializers) throws IOException {
		if (value != null && !"".equals(value)) {
			gen.writeString(((BigDecimal) value).setScale(2, BigDecimal.ROUND_HALF_DOWN) + "");

		} else {
			gen.writeString(value + "");

		}

	}

}