package com.genersoft.iot.vmp.utils;
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import org.apache.commons.lang3.ObjectUtils;
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import java.time.Instant;
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import java.time.LocalDate;
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import java.time.LocalDateTime;
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import java.time.ZoneId;
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import java.time.format.DateTimeFormatter;
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import java.time.format.DateTimeParseException;
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import java.time.temporal.ChronoUnit;
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import java.time.temporal.TemporalAccessor;
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import java.util.Locale;
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/**
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* 全局时间工具类
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* @author lin
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*/
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public class DateUtil {
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/**
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* 兼容不规范的iso8601时间格式
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*/
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private static final String ISO8601_COMPATIBLE_PATTERN = "yyyy-M-d'T'H:m:s";
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/**
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* 用以输出标准的iso8601时间格式
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*/
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private static final String ISO8601_PATTERN = "yyyy-MM-dd'T'HH:mm:ss";
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/**
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* iso8601时间格式带时区，例如：2024-02-21T11:10:36+08:00
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*/
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private static final String ISO8601_ZONE_PATTERN = "yyyy-MM-dd'T'HH:mm:ssXXX";
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/**
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* 兼容的时间格式 iso8601时间格式带毫秒
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*/
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private static final String ISO8601_MILLISECOND_PATTERN = "yyyy-MM-dd'T'HH:mm:ss.SSS";
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/**
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* wvp内部统一时间格式
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*/
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public static final String PATTERN = "yyyy-MM-dd HH:mm:ss";
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/**
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* wvp内部统一时间格式
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*/
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public static final String URL_PATTERN = "yyyyMMddHHmmss";
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/**
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* 日期格式
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*/
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public static final String date_PATTERN = "yyyy-MM-dd";
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public static final String zoneStr = "Asia/Shanghai";
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public static final DateTimeFormatter formatterCompatibleISO8601 = DateTimeFormatter.ofPattern(ISO8601_COMPATIBLE_PATTERN, Locale.getDefault()).withZone(ZoneId.of(zoneStr));
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public static final DateTimeFormatter formatterISO8601 = DateTimeFormatter.ofPattern(ISO8601_PATTERN, Locale.getDefault()).withZone(ZoneId.of(zoneStr));
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public static final DateTimeFormatter formatterZoneISO8601 = DateTimeFormatter.ofPattern(ISO8601_ZONE_PATTERN, Locale.getDefault()).withZone(ZoneId.of(zoneStr));
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public static final DateTimeFormatter formatterMillisecondISO8601 = DateTimeFormatter.ofPattern(ISO8601_MILLISECOND_PATTERN, Locale.getDefault()).withZone(ZoneId.of(zoneStr));
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public static final DateTimeFormatter formatter = DateTimeFormatter.ofPattern(PATTERN, Locale.getDefault()).withZone(ZoneId.of(zoneStr));
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public static final DateTimeFormatter DateFormatter = DateTimeFormatter.ofPattern(date_PATTERN, Locale.getDefault()).withZone(ZoneId.of(zoneStr));
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public static final DateTimeFormatter urlFormatter = DateTimeFormatter.ofPattern(URL_PATTERN, Locale.getDefault()).withZone(ZoneId.of(zoneStr));
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public static String yyyy_MM_dd_HH_mm_ssToISO8601(String formatTime) {
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return formatterISO8601.format(formatter.parse(formatTime));
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}
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public static String ISO8601Toyyyy_MM_dd_HH_mm_ss(String formatTime) {
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// 三种日期格式都尝试，为了兼容不同厂家的日期格式
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if (verification(formatTime, formatterCompatibleISO8601)) {
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return formatter.format(formatterCompatibleISO8601.parse(formatTime));
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} else if (verification(formatTime, formatterZoneISO8601)) {
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return formatter.format(formatterZoneISO8601.parse(formatTime));
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} else if (verification(formatTime, formatterMillisecondISO8601)) {
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return formatter.format(formatterMillisecondISO8601.parse(formatTime));
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}
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return formatter.format(formatterISO8601.parse(formatTime));
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}
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public static String urlToyyyy_MM_dd_HH_mm_ss(String formatTime) {
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return formatter.format(urlFormatter.parse(formatTime));
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}
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/**
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* yyyy_MM_dd_HH_mm_ss 转时间戳
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* @param formatTime
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* @return
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*/
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public static long yyyy_MM_dd_HH_mm_ssToTimestamp(String formatTime) {
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TemporalAccessor temporalAccessor = formatter.parse(formatTime);
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Instant instant = Instant.from(temporalAccessor);
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return instant.getEpochSecond();
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}
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/**
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* 时间戳 转 yyyy_MM_dd_HH_mm_ss
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*/
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public static String timestampTo_yyyy_MM_dd_HH_mm_ss(long timestamp) {
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Instant instant = Instant.ofEpochSecond(timestamp);
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return formatter.format(LocalDateTime.ofInstant(instant, ZoneId.of(zoneStr)));
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}
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/**
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* 时间戳 转 yyyy_MM_dd
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*/
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public static String timestampTo_yyyy_MM_dd(long timestamp) {
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Instant instant = Instant.ofEpochMilli(timestamp);
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return DateFormatter.format(LocalDateTime.ofInstant(instant, ZoneId.of(zoneStr)));
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}
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/**
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* 获取当前时间
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* @return
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*/
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public static String getNow() {
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LocalDateTime nowDateTime = LocalDateTime.now();
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return formatter.format(nowDateTime);
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}
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/**
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* 获取当前时间
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* @return
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*/
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public static String getNowForUrl() {
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LocalDateTime nowDateTime = LocalDateTime.now();
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return urlFormatter.format(nowDateTime);
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}
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/**
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* 格式校验
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* @param timeStr 时间字符串
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* @param dateTimeFormatter 待校验的格式
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* @return
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*/
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public static boolean verification(String timeStr, DateTimeFormatter dateTimeFormatter) {
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try {
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LocalDate.parse(timeStr, dateTimeFormatter);
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return true;
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}catch (DateTimeParseException exception) {
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return false;
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}
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}
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public static String getNowForISO8601() {
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LocalDateTime nowDateTime = LocalDateTime.now();
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return formatterISO8601.format(nowDateTime);
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}
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public static long getDifferenceForNow(String keepaliveTime) {
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if (ObjectUtils.isEmpty(keepaliveTime)) {
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return 0;
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}
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Instant beforeInstant = Instant.from(formatter.parse(keepaliveTime));
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return ChronoUnit.MILLIS.between(beforeInstant, Instant.now());
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}
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public static long getDifference(String startTime, String endTime) {
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if (ObjectUtils.isEmpty(startTime) || ObjectUtils.isEmpty(endTime)) {
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return 0;
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}
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Instant startInstant = Instant.from(formatter.parse(startTime));
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Instant endInstant = Instant.from(formatter.parse(endTime));
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return ChronoUnit.MILLIS.between(endInstant, startInstant);
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}
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}
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