package com.tievd.jyz.config;

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

import java.io.IOException;
import java.text.DecimalFormat;

/**
 * @author yang'zhi'shui
 */
public class Float2Serializer extends JsonSerializer<Float> {

    private DecimalFormat df = new DecimalFormat("0.00");

    @Override
    public void serialize(Float data, JsonGenerator jsonGenerator, SerializerProvider serializerProvider) throws IOException {
        if (data != null) {
            if (data == 0) {
                jsonGenerator.writeString("0");
            } else {
                jsonGenerator.writeString(df.format(data));
            }
        }
    }
}