DateUtil.java
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package com.infoloop.tianting.utils;
import org.apache.commons.lang3.time.DateUtils;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.time.Instant;
import java.time.LocalDate;
import java.time.LocalDateTime;
import java.time.LocalTime;
import java.time.ZoneId;
import java.time.ZoneOffset;
import java.time.ZonedDateTime;
import java.time.format.DateTimeFormatter;
import java.util.Date;
public final class DateUtil extends DateUtils {
public final static ZoneId CHINA_ZONE = ZoneId.of("Asia/Shanghai");
public final static DateTimeFormatter YYYY = DateTimeFormatter
.ofPattern("yyyy")
.withZone(CHINA_ZONE);
public final static DateTimeFormatter YM = DateTimeFormatter
.ofPattern("yyyyMM")
.withZone(CHINA_ZONE);
public final static DateTimeFormatter Y_M = DateTimeFormatter
.ofPattern("yyyy-MM")
.withZone(CHINA_ZONE);
public final static DateTimeFormatter YYYY_MM_LEFT_SYMBOL = DateTimeFormatter
.ofPattern("yyyy/MM")
.withZone(CHINA_ZONE);
public final static DateTimeFormatter YMD = DateTimeFormatter
.ofPattern("yyyyMMdd")
.withZone(CHINA_ZONE);
public final static DateTimeFormatter YYYY_MM_DD = DateTimeFormatter
.ofPattern("yyyy-MM-dd")
.withZone(CHINA_ZONE);
public final static DateTimeFormatter YYYY_MM_DD_UTC = DateTimeFormatter
.ofPattern("yyyy-MM-dd");
public final static DateTimeFormatter YYYY_MM_DD_LEFT_SYMBOL = DateTimeFormatter
.ofPattern("yyyy/MM/dd")
.withZone(CHINA_ZONE);
public final static DateTimeFormatter MM_DD_CN = DateTimeFormatter
.ofPattern("MM月dd日")
.withZone(CHINA_ZONE);
public final static DateTimeFormatter HH_MM_SS = DateTimeFormatter
.ofPattern("HH:mm:ss")
.withZone(CHINA_ZONE);
public final static DateTimeFormatter YYYY_MM_DD_HH_MM = DateTimeFormatter
.ofPattern("yyyy-MM-dd HH:mm")
.withZone(CHINA_ZONE);
public final static DateTimeFormatter YYYY_MM_DD_HH_MM_LEFT_SYMBOL = DateTimeFormatter
.ofPattern("yyyy/MM/dd HH:mm")
.withZone(CHINA_ZONE);
public final static DateTimeFormatter YMDHMS = DateTimeFormatter
.ofPattern("yyyyMMddHHmmss")
.withZone(CHINA_ZONE);
public final static DateTimeFormatter Y_M_D_H_M_S = DateTimeFormatter
.ofPattern("yyyy-MM-dd HH:mm:ss")
.withZone(CHINA_ZONE);
public final static DateTimeFormatter Y_M_D_H_M_S_LEFT_SYMBOL = DateTimeFormatter
.ofPattern("yyyy/MM/dd HH:mm:ss")
.withZone(CHINA_ZONE);
public final static DateTimeFormatter YMDHMSSSS = DateTimeFormatter
.ofPattern("yyyyMMddHHmmssSSS")
.withZone(CHINA_ZONE);
private static final String[] parsePatterns = {
"yyyy-MM-dd", "yyyy-MM-dd HH:mm:ss", "yyyy-MM-dd HH:mm", "yyyy-MM",
"yyyy/MM/dd", "yyyy/MM/dd HH:mm:ss", "yyyy/MM/dd HH:mm", "yyyy/MM",
"yyyy.MM.dd", "yyyy.MM.dd HH:mm:ss", "yyyy.MM.dd HH:mm", "yyyy.MM"};
private DateUtil() {
}
public static String formatDate(final long epochMillis) {
if (epochMillis == 0) {
return null;
}
return ZonedDateTime
.ofInstant(Instant.ofEpochMilli(epochMillis), ZoneOffset.UTC.normalized())
.format(DateTimeFormatter.ISO_INSTANT);
}
public static String formatDate(final long epochMillis, DateTimeFormatter formatter) {
if (epochMillis == 0L) {
return null;
}
return Instant.ofEpochMilli(epochMillis).atZone(CHINA_ZONE)
.format(formatter);
}
public static String formatDateOfUtc(final long epochMillis, DateTimeFormatter formatter) {
if (epochMillis == 0L) {
return null;
}
return Instant.ofEpochMilli(epochMillis).atOffset(ZoneOffset.UTC)
.format(formatter);
}
public static String formatDate(final LocalDate localDate, DateTimeFormatter formatter) {
if (localDate == null) {
return null;
}
return formatter.format(localDate);
}
public static String formatDate(final LocalDateTime localDateTime, DateTimeFormatter formatter) {
if (localDateTime == null) {
return null;
}
return formatter.format(localDateTime);
}
public static Long toEpochMilli(final String utcDate) {
if (utcDate == null || utcDate.isEmpty()) {
return null;
}
return Instant.parse(utcDate).toEpochMilli();
}
/**
* 日期型字符串转化为日期 格式
*/
public static Date parseDate(Object str) {
if (str == null) {
return null;
}
try {
return parseDate(str.toString(), parsePatterns);
} catch (ParseException e) {
return null;
}
}
public static String parseDateToStr(final String format, final Date date) {
return new SimpleDateFormat(format).format(date);
}
/**
* 增加 LocalDateTime ==> Date
*/
public static Date toDate(LocalDateTime temporalAccessor) {
ZonedDateTime zdt = temporalAccessor.atZone(CHINA_ZONE);
return Date.from(zdt.toInstant());
}
/**
* 增加 LocalDate ==> Date
*/
public static Date toDate(LocalDate temporalAccessor) {
LocalDateTime localDateTime = LocalDateTime.of(temporalAccessor, LocalTime.of(0, 0, 0));
return toDate(localDateTime);
}
public static LocalDate toLocalDate(long timestamp) {
return Instant.ofEpochMilli(timestamp).atZone(CHINA_ZONE).toLocalDate();
}
public static LocalDateTime toLocalDateTime(long timestamp) {
return Instant.ofEpochMilli(timestamp).atZone(CHINA_ZONE).toLocalDateTime();
}
}