/*
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* Copyright 2011 gitblit.com.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.gitblit.utils;
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import java.util.Calendar;
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import java.util.Date;
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public class TimeUtils {
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public static final long MIN = 1000 * 60L;
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public static final long HALFHOUR = MIN * 30L;
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public static final long ONEHOUR = HALFHOUR * 2;
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public static final long ONEDAY = ONEHOUR * 24L;
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public static final long ONEYEAR = ONEDAY * 365L;
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public static boolean isToday(Date date) {
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return (System.currentTimeMillis() - date.getTime()) < ONEDAY;
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}
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public static boolean isYesterday(Date date) {
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Calendar cal = Calendar.getInstance();
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cal.setTime(date);
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cal.add(Calendar.DATE, 1);
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return (System.currentTimeMillis() - cal.getTimeInMillis()) < ONEDAY;
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}
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public static String duration(int days) {
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if (days <= 60) {
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return days + (days > 1 ? " days" : " day");
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} else if (days < 365) {
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int rem = days % 30;
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return ((days / 30) + (rem >= 15 ? 1 : 0)) + " months";
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} else {
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int years = days / 365;
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int rem = days % 365;
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String yearsString = years + (years > 1 ? " years" : " year");
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if (rem < 30) {
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if (rem == 0) {
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return yearsString;
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} else {
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return yearsString + (rem >= 15 ? ", 1 month" : "");
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}
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} else {
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int months = rem / 30;
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int remDays = rem % 30;
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if (remDays >= 15) {
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months++;
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}
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String monthsString = yearsString + ", " + months
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+ (months > 1 ? " months" : " month");
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return monthsString;
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}
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}
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}
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public static int minutesAgo(Date date, long endTime, boolean roundup) {
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long diff = endTime - date.getTime();
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int mins = (int) (diff / MIN);
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if (roundup && (diff % MIN) >= 30) {
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mins++;
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}
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return mins;
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}
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public static int minutesAgo(Date date, boolean roundup) {
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return minutesAgo(date, System.currentTimeMillis(), roundup);
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}
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public static int hoursAgo(Date date, boolean roundup) {
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long diff = System.currentTimeMillis() - date.getTime();
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int hours = (int) (diff / ONEHOUR);
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if (roundup && (diff % ONEHOUR) >= HALFHOUR) {
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hours++;
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}
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return hours;
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}
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public static int daysAgo(Date date, boolean roundup) {
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long diff = System.currentTimeMillis() - date.getTime();
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int days = (int) (diff / ONEDAY);
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if (roundup && (diff % ONEDAY) > 0) {
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days++;
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}
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return days;
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}
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public static String timeAgo(Date date) {
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return timeAgo(date, false);
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}
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public static String timeAgoCss(Date date) {
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return timeAgo(date, true);
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}
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private static String timeAgo(Date date, boolean css) {
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String ago = null;
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if (isToday(date) || isYesterday(date)) {
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int mins = minutesAgo(date, true);
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if (mins >= 120) {
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if (css) {
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return "age1";
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}
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int hours = hoursAgo(date, true);
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if (hours > 23) {
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ago = "yesterday";
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} else {
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ago = hours + " hours ago";
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}
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} else {
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if (css) {
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return "age0";
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}
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ago = mins + " min" + (mins > 1 ? "s" : "") + " ago";
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}
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} else {
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if (css) {
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return "age2";
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}
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int days = daysAgo(date, true);
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if (days < 365) {
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if (days <= 30) {
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ago = days + " days ago";
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} else if (days <= 90) {
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int weeks = days / 7;
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if (weeks == 12) {
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ago = "3 months ago";
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} else {
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ago = weeks + " weeks ago";
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}
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} else if (days > 90) {
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int months = days / 30;
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int weeks = (days % 30) / 7;
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if (weeks >= 2) {
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months++;
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}
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ago = months + " months ago";
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}
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} else if (days == 365) {
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ago = "1 year ago";
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} else {
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int yr = days / 365;
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days = days % 365;
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int months = (yr * 12) + (days / 30);
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if (months > 23) {
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ago = yr + " years ago";
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} else {
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ago = months + " months ago";
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}
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}
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}
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return ago;
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}
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}
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