org.sonarsource.sonarlint.core.client.api.util.DateUtils Maven / Gradle / Ivy
/*
* SonarLint Core - Implementation
* Copyright (C) 2016-2021 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonarsource.sonarlint.core.client.api.util;
import java.time.Instant;
import java.time.LocalDateTime;
import java.time.ZoneId;
import java.time.temporal.ChronoUnit;
public class DateUtils {
private DateUtils() {
// utility class, forbidden constructor
}
public static String toAge(long time) {
LocalDateTime creation = LocalDateTime.ofInstant(Instant.ofEpochMilli(time), ZoneId.systemDefault());
LocalDateTime now = LocalDateTime.now();
long years = ChronoUnit.YEARS.between(creation, now);
if (years > 0) {
return pluralize(years, "year");
}
long months = ChronoUnit.MONTHS.between(creation, now);
if (months > 0) {
return pluralize(months, "month");
}
long days = ChronoUnit.DAYS.between(creation, now);
if (days > 0) {
return pluralize(days, "day");
}
long hours = ChronoUnit.HOURS.between(creation, now);
if (hours > 0) {
return pluralize(hours, "hour");
}
long minutes = ChronoUnit.MINUTES.between(creation, now);
if (minutes > 0) {
return pluralize(minutes, "minute");
}
return "few seconds ago";
}
private static String pluralize(long strictlyPositiveCount, String singular) {
return pluralize(strictlyPositiveCount, singular, singular + "s");
}
private static String pluralize(long strictlyPositiveCount, String singular, String plural) {
if (strictlyPositiveCount == 1) {
return "1 " + singular + " ago";
}
return strictlyPositiveCount + " " + plural + " ago";
}
}