me.aifaq.commons.lang.DateUtil Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of commons-lang Show documentation
There is a newer version: 2.0.3
package me.aifaq.commons.lang;

import org.apache.commons.lang3.StringUtils;
import org.apache.commons.lang3.math.NumberUtils;
import org.apache.commons.lang3.time.DateUtils;

import java.sql.Timestamp;
import java.text.ParseException;
import java.util.Date;

/**
 * @author Wang Wei [[email protected]]
 * @since 10:10 2017/5/17
 */
public abstract class DateUtil {
	public static final String yyyy = "yyyy";
	public static final String yyyyMM = "yyyyMM";
	public static final String yyyyMMdd = "yyyyMMdd";
	public static final String yyyyMMddHH = "yyyyMMddHH";
	public static final String yyyyMMddHHmm = "yyyyMMddHHmm";
	public static final String yyyyMMddHHmmss = "yyyyMMddHHmmss";
	public static final String yyyyMMddHHmmssS = "yyyyMMddHHmmssS";
	public static final String yyyyMMddHHmmssSS = "yyyyMMddHHmmssSS";
	public static final String yyyyMMddHHmmssSSS = "yyyyMMddHHmmssSSS";
	public static final String yyyy$MM = "yyyy-MM";
	public static final String yyyy$MM$dd = "yyyy-MM-dd";
	public static final String yyyy$MM$dd$HH = "yyyy-MM-dd HH";
	public static final String yyyy$MM$dd$HH$mm = "yyyy-MM-dd HH:mm";
	public static final String yyyy$MM$dd$HH$mm$ss = "yyyy-MM-dd HH:mm:ss";
	public static final String yyyy$MM$dd$HH$mm$ss$S = "yyyy-MM-dd HH:mm:ss.S";
	public static final String yyyy$MM$dd$HH$mm$ss$SS = "yyyy-MM-dd HH:mm:ss.SS";
	public static final String yyyy$MM$dd$HH$mm$ss$SSS = "yyyy-MM-dd HH:mm:ss.SSS";

	// 小时数
	// 一天
	public static final long ONE_DAY_HOURS = 24L;
	// 一周
	public static final long ONE_WEEK_HOURS = 7 * ONE_DAY_HOURS;

	// 分钟数
	// 一小时
	public static final long ONE_HOUR_MINUTES = 60L;
	// 一天
	public static final long ONE_DAY_MINUTES = 24 * ONE_HOUR_MINUTES;
	// 一周
	public static final long ONE_WEEK_MINUTES = 7 * ONE_DAY_MINUTES;

	// 秒数
	// 一分
	public static final long ONE_MINUTE_SECONDS = 60L;
	// 一小时
	public static final long ONE_HOUR_SECONDS = 60 * ONE_MINUTE_SECONDS;
	// 一天
	public static final long ONE_DAY_SECONDS = 24 * ONE_HOUR_SECONDS;
	// 一周
	public static final long ONE_WEEK_SECONDS = 7 * ONE_DAY_SECONDS;

	// 毫秒数
	// 一秒
	public static final long ONE_SECOND_MILLIS = 1000L;
	// 一分
	public static final long ONE_MINUTE_MILLIS = 60 * ONE_SECOND_MILLIS;
	// 一小时
	public static final long ONE_HOUR_MILLIS = 60 * ONE_MINUTE_MILLIS;
	// 一天
	public static final long ONE_DAY_MILLIS = 24 * ONE_HOUR_MILLIS;
	// 一周
	public static final long ONE_WEEK_MILLIS = 7 * ONE_DAY_MILLIS;

	/**
	 * 尽可能的把字符串转成日期
	 *
	 * @param source
	 * @return
	 * @throws ParseException
	 */
	public static Date parseDate(String source) throws ParseException {
		if (StringUtils.isBlank(source)) {
			return null;
		}
		source = source.trim();

		switch (source.length()) {
		case 4:
			return DateUtils.parseDate(source, yyyy);
		case 6:
			return DateUtils.parseDate(source, yyyyMM);
		case 7:
			return DateUtils.parseDate(source, yyyy$MM);
		case 8:
			return DateUtils.parseDate(source, yyyyMMdd);
		case 10:
			return DateUtils.parseDate(source, yyyy$MM$dd, yyyyMMddHH);
		case 12:
			return DateUtils.parseDate(source, yyyyMMddHHmm);
		case 13:
			// 1494511806790
			if (NumberUtils.isCreatable(source)) {
				return new Date(Long.parseLong(source));
			}
			return DateUtils.parseDate(source, yyyy$MM$dd$HH);
		case 14:
			return DateUtils.parseDate(source, yyyyMMddHHmmss);
		case 15:
			return DateUtils.parseDate(source, yyyyMMddHHmmssS);
		case 16:
			return DateUtils.parseDate(source, yyyy$MM$dd$HH$mm, yyyyMMddHHmmssSS);
		case 17:
			return DateUtils.parseDate(source, yyyyMMddHHmmssSSS);
		case 19:
			return DateUtils.parseDate(source, yyyy$MM$dd$HH$mm$ss);
		case 21:
			return DateUtils.parseDate(source, yyyy$MM$dd$HH$mm$ss$S);
		case 22:
			return DateUtils.parseDate(source, yyyy$MM$dd$HH$mm$ss$SS);
		case 23:
			return DateUtils.parseDate(source, yyyy$MM$dd$HH$mm$ss$SSS);
		default:
			throw new ParseException("Unable to parse the date: " + source, -1);
		}
	}

	public static Date newDate() {
		return new Date();
	}

	public static Timestamp newTimestamp() {
		return new Timestamp(System.currentTimeMillis());
	}
}