package com.lunhan.xxx.common.serializer.deserializer;

import com.fasterxml.jackson.core.JsonParser;
import com.fasterxml.jackson.databind.DeserializationContext;
import com.fasterxml.jackson.databind.JsonDeserializer;
import com.lunhan.xxx.common.ConstantFactory;
import com.lunhan.xxx.common.util.LocalDateTimeUtil;
import com.lunhan.xxx.common.util.StringUtil;

import java.io.IOException;
import java.time.Instant;
import java.time.LocalDateTime;
import java.time.ZoneOffset;
import java.util.Date;

/**
 * 自定义json反序列化 Date 属性
 * @author linliu
 * @date   2020-05-12
 */
public class CQDateDeSerializer extends JsonDeserializer<Date> {
    @Override
    public Date deserialize(JsonParser p, DeserializationContext ctxt) throws IOException {
        String value = p.getText();
        if(StringUtil.isMatch(value, ConstantFactory.REGEX_DATE)) {
            LocalDateTime date = LocalDateTimeUtil.getDateTime(value, ConstantFactory.STR_DATE);
            Instant instant = date.toInstant(ZoneOffset.UTC);
            return Date.from(instant);
        } else {
            throw new IOException("can't be deserialize as type “Date”, " + value);
        }
    }
}