001    /*
002     * SonarQube, open source software quality management tool.
003     * Copyright (C) 2008-2014 SonarSource
004     * mailto:contact AT sonarsource DOT com
005     *
006     * SonarQube is free software; you can redistribute it and/or
007     * modify it under the terms of the GNU Lesser General Public
008     * License as published by the Free Software Foundation; either
009     * version 3 of the License, or (at your option) any later version.
010     *
011     * SonarQube is distributed in the hope that it will be useful,
012     * but WITHOUT ANY WARRANTY; without even the implied warranty of
013     * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
014     * Lesser General Public License for more details.
015     *
016     * You should have received a copy of the GNU Lesser General Public License
017     * along with this program; if not, write to the Free Software Foundation,
018     * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
019     */
020    package org.sonar.api.utils;
021    
022    /**
023     * @since 3.6
024     */
025    public final class TimeUtils {
026    
027      private TimeUtils() {
028      }
029    
030      /**
031       * Label for a duration, expressed in numbers of ms, seconds or minutes.
032       * <p/>
033       * Examples:
034       * <ul>
035       *   <li>10 -> "10ms"</li>
036       *   <li>100 -> "100ms"</li>
037       *   <li>10000 -> "10s"</li>
038       *   <li>100000 -> "1min 40s"</li>
039       * </ul>
040       */
041      public static String formatDuration(long durationInMs) {
042        if (durationInMs < 1000) {
043          return String.format("%sms", durationInMs);
044        } else {
045          long sec = durationInMs / 1000;
046          if (sec < 60) {
047            return String.format("%ss", sec);
048          } else {
049            long min = sec / 60;
050            long remainingSec = sec - (min * 60);
051            if (remainingSec > 0) {
052              return String.format("%smin %ss", min, remainingSec);
053            } else {
054              return String.format("%smin", min);
055            }
056          }
057        }
058      }
059    }