package cn.seecoder.paas.util;

import org.apache.commons.lang.StringUtils;
import org.joda.time.DateTime;

import java.time.Instant;
import java.time.LocalDateTime;
import java.time.ZoneId;

public class DateUtil {

    public static LocalDateTime fromJodaDateTime(DateTime dateTime) {
        return LocalDateTime.of(
                dateTime.getYear(),
                dateTime.getMonthOfYear(),
                dateTime.getDayOfMonth(),
                dateTime.getHourOfDay(),
                dateTime.getMinuteOfHour(),
                dateTime.getSecondOfMinute());
    }

    public static LocalDateTime fromUTCTimeString(String utc) {
        if (StringUtils.isBlank(utc)) {
            return null;
        }
        Instant instant = Instant.parse(utc);
        //转成上海时区时间。
        return LocalDateTime.ofInstant(instant, ZoneId.systemDefault());
    }

    public static LocalDateTime fromTimestamps(long timestamps) {
        return LocalDateTime.ofInstant(Instant.ofEpochMilli(timestamps), ZoneId.systemDefault());
    }
}