/* * Copyright (C) 2008-2017, Juick * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU Affero 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 Affero General Public License for more details. * * You should have received a copy of the GNU Affero General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package com.juick.util; import org.ocpsoft.prettytime.PrettyTime; import java.util.Date; import java.util.LinkedHashMap; import java.util.Locale; import java.util.Map; /** * Created by vitalyster on 04.05.2017. */ public class PrettyTimeFormatter { private static final int MAX_CACHE_SIZE = 20; // Cache PrettyTime per locale. LRU cache to prevent memory leak. private static final Map<Locale, PrettyTime> PRETTY_TIME_LOCALE_MAP = new LinkedHashMap<Locale, PrettyTime>(MAX_CACHE_SIZE + 1, 1.1F, true) { @Override protected boolean removeEldestEntry(Map.Entry<Locale, PrettyTime> eldest) { return size() > MAX_CACHE_SIZE; } }; public String format(final Locale locale, final Date value) { PrettyTime prettyTime; synchronized (PRETTY_TIME_LOCALE_MAP) { prettyTime = PRETTY_TIME_LOCALE_MAP.computeIfAbsent(locale, PrettyTime::new); } return prettyTime.format(value); } }