如何使用XsonGregorianCalendar与gson的fromJson和toJson方法？

   <groupId>com.google.code.gson</groupId>
   <artifactId>gson</artifactId>
   <version>2.8.9</version>
</dependency>

import com.google.gson.Gson;
import com.google.gson.GsonBuilder;
import com.google.gson.JsonObject;
import com.google.gson.JsonParser;
import com.google.gson.reflect.TypeToken;
import java.lang.reflect.Type;
import java.util.Date;
import javax.xml.datatype.DatatypeConfigurationException;
import javax.xml.datatype.DatatypeFactory;
import javax.xml.datatype.XMLGregorianCalendar;

public class XsonGregorianCalendarExample {
    public static void main(String[] args) throws DatatypeConfigurationException {
        // 创建一个XMLGregorianCalendar实例
        XMLGregorianCalendar xmlGregorianCalendar = DatatypeFactory.newInstance().newXMLGregorianCalendar();
        xmlGregorianCalendar.setYear(2022);
        xmlGregorianCalendar.setMonth(12);
        xmlGregorianCalendar.setDay(31);
        xmlGregorianCalendar.setHour(23);
        xmlGregorianCalendar.setMinute(59);
        xmlGregorianCalendar.setSecond(59);

        // 创建一个Gson实例
        Gson gson = new GsonBuilder().registerTypeAdapter(XMLGregorianCalendar.class, new XsonGregorianCalendarAdapter()).create();

        // 将XMLGregorianCalendar对象转换为JSON字符串
        String jsonString = gson.toJson(xmlGregorianCalendar);
        System.out.println("JSON字符串：" + jsonString);

        // 将JSON字符串转换为XMLGregorianCalendar对象
        Type type = new TypeToken<XMLGregorianCalendar>() {}.getType();
        XMLGregorianCalendar xmlGregorianCalendarFromJson = gson.fromJson(jsonString, type);
        System.out.println("XMLGregorianCalendar对象：" + xmlGregorianCalendarFromJson);
    }
}

import com.google.gson.*;
import javax.xml.datatype.XMLGregorianCalendar;

public class XsonGregorianCalendarAdapter implements JsonSerializer<XMLGregorianCalendar>, JsonDeserializer<XMLGregorianCalendar> {
    @Override
    public JsonElement serialize(XMLGregorianCalendar xmlGregorianCalendar, Type type, JsonSerializationContext jsonSerializationContext) {
        return new JsonPrimitive(xmlGregorianCalendar.toXMLFormat());
    }

    @Override
    public XMLGregorianCalendar deserialize(JsonElement jsonElement, Type type, JsonDeserializationContext jsonDeserializationContext) throws JsonParseException {
        try {
            return DatatypeFactory.newInstance().newXMLGregorianCalendar(jsonElement.getAsString());
        } catch (DatatypeConfigurationException e) {
            throw new JsonParseException(e);
        }
    }
}