com.blade.kit.DateKit Maven / Gradle / Ivy
/**
* Copyright (c) 2017, biezhi 王爵 ([email protected])
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.blade.kit;
import com.blade.mvc.Const;
import lombok.experimental.UtilityClass;
import java.time.*;
import java.time.format.DateTimeFormatter;
import java.util.Date;
import java.util.HashMap;
import java.util.Locale;
import java.util.Map;
/**
* Date kit
*
* @author biezhi
* 2017/6/2
*/
@UtilityClass
public class DateKit {
/**
* GMT Format
*/
public static final DateTimeFormatter GMT_FMT = DateTimeFormatter.ofPattern(Const.HTTP_DATE_FORMAT, Locale.US);
/**
* GMT ZoneId
*/
public static final ZoneId GMT_ZONE_ID = ZoneId.of("GMT");
/**
* get current unix time
*
* @return return current unix time
*/
public static int nowUnix() {
return (int) Instant.now().getEpochSecond();
}
/**
* format unix time to string
*
* @param unixTime unix time
* @param pattern date format pattern
* @return return string date
*/
public static String toString(long unixTime, String pattern) {
return Instant.ofEpochSecond(unixTime).atZone(ZoneId.systemDefault()).format(DateTimeFormatter.ofPattern(pattern));
}
/**
* format date to string
*
* @param date date instance
* @param pattern date format pattern
* @return return string date
*/
public static String toString(Date date, String pattern) {
Instant instant = new java.util.Date((date.getTime())).toInstant();
return LocalDateTime.ofInstant(instant, ZoneId.systemDefault()).format(DateTimeFormatter.ofPattern(pattern));
}
public static String toString(LocalDate date, String pattern) {
return date.format(DateTimeFormatter.ofPattern(pattern));
}
public static String toString(LocalDateTime date, String pattern) {
return date.format(DateTimeFormatter.ofPattern(pattern));
}
public static String toString(LocalDateTime time) {
return toString(time, "yyyy-MM-dd HH:mm:ss");
}
/**
* format string time to unix time
*
* @param time string date
* @param pattern date format pattern
* @return return unix time
*/
public static int toUnix(String time, String pattern) {
LocalDateTime formatted = LocalDateTime.parse(time, DateTimeFormatter.ofPattern(pattern));
return (int) formatted.atZone(ZoneId.systemDefault()).toInstant().getEpochSecond();
}
/**
* format string (yyyy-MM-dd HH:mm:ss) to unix time
*
* @param time string datetime
* @return return unix time
*/
public static int toUnix(String time) {
return toUnix(time, "yyyy-MM-dd HH:mm:ss");
}
public static int toUnix(Date date) {
return (int) date.toInstant().getEpochSecond();
}
public static Date toDate(String time, String pattern) {
LocalDate formatted = LocalDate.parse(time, DateTimeFormatter.ofPattern(pattern));
return Date.from(Instant.from(formatted.atStartOfDay(ZoneId.systemDefault())));
}
public static Date toDateTime(String time, String pattern) {
LocalDateTime formatted = LocalDateTime.parse(time, DateTimeFormatter.ofPattern(pattern));
return Date.from(formatted.atZone(ZoneId.systemDefault()).toInstant());
}
public static LocalDate toLocalDate(String time, String pattern) {
return LocalDate.parse(time, DateTimeFormatter.ofPattern(pattern));
}
public static LocalDateTime toLocalDateTime(String time, String pattern) {
return LocalDateTime.parse(time, DateTimeFormatter.ofPattern(pattern));
}
public static Date toDate(long unixTime) {
return Date.from(Instant.ofEpochSecond(unixTime));
}
public static String gmtDate() {
return GMT_FMT.format(LocalDateTime.now().atZone(GMT_ZONE_ID));
}
public static String gmtDate(LocalDateTime localDateTime) {
return GMT_FMT.format(localDateTime.atZone(GMT_ZONE_ID));
}
public static String gmtDate(Date date) {
return GMT_FMT.format(LocalDateTime.ofInstant(date.toInstant(), ZoneId.systemDefault()).atZone(GMT_ZONE_ID));
}
public static void main(String[] args) {
String s = "Thu, 31 May 2018 00:38:15 GMT";
System.out.println(LocalDateTime.parse(s, GMT_FMT).atZone(GMT_ZONE_ID).toInstant().getEpochSecond());
}
private static final Map PRETTY_TIME_I18N = new HashMap<>();
static {
PRETTY_TIME_I18N.put("zh_YEARS", "年前");
PRETTY_TIME_I18N.put("zh_MONTHS", "个月前");
PRETTY_TIME_I18N.put("zh_WEEKS", "周前");
PRETTY_TIME_I18N.put("zh_DAYS", "天前");
PRETTY_TIME_I18N.put("zh_HOURS", "小时前");
PRETTY_TIME_I18N.put("zh_MINUTES", "分钟前");
PRETTY_TIME_I18N.put("zh_SECONDS", "秒前");
PRETTY_TIME_I18N.put("zh_JUST_NOW", "刚刚");
PRETTY_TIME_I18N.put("zh_YESTERDAY", "昨天");
PRETTY_TIME_I18N.put("zh_LAST_WEEK", "上周");
PRETTY_TIME_I18N.put("zh_LAST_MONTH", "上个月");
PRETTY_TIME_I18N.put("zh_LAST_YEAR", "去年");
PRETTY_TIME_I18N.put("us_YEARS", "years ago");
PRETTY_TIME_I18N.put("us_MONTHS", "months ago");
PRETTY_TIME_I18N.put("us_DAYS", "days ago");
PRETTY_TIME_I18N.put("us_HOURS", "hours ago");
PRETTY_TIME_I18N.put("us_MINUTES", "minutes ago");
PRETTY_TIME_I18N.put("us_SECONDS", "seconds ago");
PRETTY_TIME_I18N.put("us_JUST_NOW", "Just now");
PRETTY_TIME_I18N.put("us_YESTERDAY", "Yesterday");
PRETTY_TIME_I18N.put("us_LAST_WEEK", "Last week");
PRETTY_TIME_I18N.put("us_LAST_MONTH", "Last month");
PRETTY_TIME_I18N.put("us_LAST_YEAR", "Last year");
}
public static String prettyTime(LocalDateTime date, Locale locale) {
if (date == null) {
return null;
}
String keyPrefix = locale.getLanguage().equals("zh") ? "zh" : "us";
long diff = Duration.between(date, LocalDateTime.now()).toMillis() / 1000;
int amount;
/**
* Second counts
* 3600: hour
* 86400: day
* 604800: week
* 2592000: month
* 31536000: year
*/
if (diff >= 31536000) {
amount = (int) (diff / 31536000);
if (amount == 1) {
return PRETTY_TIME_I18N.get(keyPrefix + "_LAST_YEAR");
}
return amount + PRETTY_TIME_I18N.get(keyPrefix + "_YEARS");
} else if (diff >= 2592000) {
amount = (int) (diff / 2592000);
if (amount == 1) {
return PRETTY_TIME_I18N.get(keyPrefix + "_LAST_MONTH");
}
return amount + PRETTY_TIME_I18N.get(keyPrefix + "_MONTHS");
} else if (diff >= 604800) {
amount = (int) (diff / 604800);
if (amount == 1) {
return PRETTY_TIME_I18N.get(keyPrefix + "_LAST_WEEK");
}
return amount + PRETTY_TIME_I18N.get(keyPrefix + "_WEEKS");
} else if (diff >= 86400) {
amount = (int) (diff / 86400);
if (amount == 1) {
return PRETTY_TIME_I18N.get(keyPrefix + "_YESTERDAY");
}
return amount + PRETTY_TIME_I18N.get(keyPrefix + "_DAYS");
} else if (diff >= 3600) {
amount = (int) (diff / 3600);
return amount + PRETTY_TIME_I18N.get(keyPrefix + "_HOURS");
} else if (diff >= 60) {
amount = (int) (diff / 60);
return amount + PRETTY_TIME_I18N.get(keyPrefix + "_MINUTES");
} else {
amount = (int) diff;
if (amount < 6) {
return PRETTY_TIME_I18N.get(keyPrefix + "_JUST_NOW");
} else {
return amount + PRETTY_TIME_I18N.get(keyPrefix + "_SECONDS");
}
}
}
public static String prettyTime(LocalDateTime date) {
return prettyTime(date, Locale.getDefault());
}
}