/*
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* Copyright (c) 2018-2028, DreamLu All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* Neither the name of the dreamlu.net developer nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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* Author: DreamLu 卢春梦 (596392912@qq.com)
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*/
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package org.springblade.core.tool.utils;
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import java.time.*;
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import java.time.format.DateTimeFormatter;
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import java.time.temporal.Temporal;
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import java.time.temporal.TemporalAccessor;
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import java.util.Date;
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/**
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* DateTime 工具类
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*
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* @author L.cm
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*/
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public class DateTimeUtil {
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public static final DateTimeFormatter DATETIME_FORMAT = DateTimeFormatter.ofPattern(DateUtil.PATTERN_DATETIME);
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public static final DateTimeFormatter DATE_FORMAT = DateTimeFormatter.ofPattern(DateUtil.PATTERN_DATE);
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public static final DateTimeFormatter TIME_FORMAT = DateTimeFormatter.ofPattern(DateUtil.PATTERN_TIME);
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/**
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* 日期时间格式化
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*
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* @param temporal 时间
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* @return 格式化后的时间
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*/
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public static String formatDateTime(TemporalAccessor temporal) {
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return DATETIME_FORMAT.format(temporal);
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}
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/**
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* 日期时间格式化
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*
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* @param temporal 时间
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* @return 格式化后的时间
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*/
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public static String formatDate(TemporalAccessor temporal) {
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return DATE_FORMAT.format(temporal);
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}
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/**
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* 时间格式化
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*
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* @param temporal 时间
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* @return 格式化后的时间
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*/
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public static String formatTime(TemporalAccessor temporal) {
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return TIME_FORMAT.format(temporal);
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}
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/**
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* 日期格式化
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*
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* @param temporal 时间
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* @param pattern 表达式
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* @return 格式化后的时间
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*/
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public static String format(TemporalAccessor temporal, String pattern) {
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return DateTimeFormatter.ofPattern(pattern).format(temporal);
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}
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/**
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* 将字符串转换为时间
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*
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* @param dateStr 时间字符串
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* @param pattern 表达式
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* @return 时间
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*/
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public static LocalDateTime parseDateTime(String dateStr, String pattern) {
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DateTimeFormatter formatter = DateTimeFormatter.ofPattern(pattern);
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return DateTimeUtil.parseDateTime(dateStr, formatter);
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}
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/**
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* 将字符串转换为时间
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*
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* @param dateStr 时间字符串
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* @param formatter DateTimeFormatter
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* @return 时间
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*/
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public static LocalDateTime parseDateTime(String dateStr, DateTimeFormatter formatter) {
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return LocalDateTime.parse(dateStr, formatter);
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}
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/**
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* 将字符串转换为时间
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*
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* @param dateStr 时间字符串
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* @return 时间
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*/
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public static LocalDateTime parseDateTime(String dateStr) {
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return DateTimeUtil.parseDateTime(dateStr, DateTimeUtil.DATETIME_FORMAT);
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}
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/**
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* 将字符串转换为时间
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*
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* @param dateStr 时间字符串
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* @param pattern 表达式
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* @return 时间
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*/
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public static LocalDate parseDate(String dateStr, String pattern) {
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DateTimeFormatter formatter = DateTimeFormatter.ofPattern(pattern);
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return DateTimeUtil.parseDate(dateStr, formatter);
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}
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/**
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* 将字符串转换为时间
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*
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* @param dateStr 时间字符串
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* @param formatter DateTimeFormatter
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* @return 时间
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*/
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public static LocalDate parseDate(String dateStr, DateTimeFormatter formatter) {
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return LocalDate.parse(dateStr, formatter);
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}
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/**
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* 将字符串转换为日期
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*
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* @param dateStr 时间字符串
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* @return 时间
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*/
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public static LocalDate parseDate(String dateStr) {
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return DateTimeUtil.parseDate(dateStr, DateTimeUtil.DATE_FORMAT);
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}
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/**
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* 将字符串转换为时间
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*
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* @param dateStr 时间字符串
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* @param pattern 时间正则
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* @return 时间
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*/
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public static LocalTime parseTime(String dateStr, String pattern) {
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DateTimeFormatter formatter = DateTimeFormatter.ofPattern(pattern);
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return DateTimeUtil.parseTime(dateStr, formatter);
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}
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/**
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* 将字符串转换为时间
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*
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* @param dateStr 时间字符串
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* @param formatter DateTimeFormatter
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* @return 时间
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*/
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public static LocalTime parseTime(String dateStr, DateTimeFormatter formatter) {
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return LocalTime.parse(dateStr, formatter);
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}
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/**
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* 将字符串转换为时间
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*
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* @param dateStr 时间字符串
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* @return 时间
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*/
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public static LocalTime parseTime(String dateStr) {
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return DateTimeUtil.parseTime(dateStr, DateTimeUtil.TIME_FORMAT);
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}
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/**
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* 时间转 Instant
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*
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* @param dateTime 时间
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* @return Instant
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*/
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public static Instant toInstant(LocalDateTime dateTime) {
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return dateTime.atZone(ZoneId.systemDefault()).toInstant();
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}
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/**
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* Instant 转 时间
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*
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* @param instant Instant
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* @return Instant
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*/
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public static LocalDateTime toDateTime(Instant instant) {
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return LocalDateTime.ofInstant(instant, ZoneId.systemDefault());
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}
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/**
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* 转换成 date
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*
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* @param dateTime LocalDateTime
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* @return Date
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*/
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public static Date toDate(LocalDateTime dateTime) {
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return Date.from(DateTimeUtil.toInstant(dateTime));
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}
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/**
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* 比较2个时间差，跨度比较小
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*
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* @param startInclusive 开始时间
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* @param endExclusive 结束时间
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* @return 时间间隔
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*/
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public static Duration between(Temporal startInclusive, Temporal endExclusive) {
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return Duration.between(startInclusive, endExclusive);
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}
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/**
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* 比较2个时间差，跨度比较大，年月日为单位
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*
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* @param startDate 开始时间
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* @param endDate 结束时间
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* @return 时间间隔
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*/
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public static Period between(LocalDate startDate, LocalDate endDate) {
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return Period.between(startDate, endDate);
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}
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}
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