DateUtil.java :  » Game » andoku » com » googlecode » andoku » Android Open Source

/*
 * Andoku - a sudoku puzzle game for Android.
 * Copyright (C) 2009  Markus Wiederkehr
 *
 * This file is part of Andoku.
 *
 * Andoku is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Andoku 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with Andoku.  If not, see <http://www.gnu.org/licenses/>.
 */

package com.googlecode.andoku;

import android.content.res.Resources;

public class DateUtil {
  private DateUtil() {
  }

  public static String formatTime(long time) {
    int seconds = (int) (time / 1000);
    int hh = seconds / 3600;
    seconds -= hh * 3600;
    int mm = seconds / 60;
    seconds -= mm * 60;

    return format(hh, mm, seconds);
  }

  private static String format(int hh, int mm, int ss) {
    StringBuilder sb = new StringBuilder();

    if (hh > 0) {
      sb.append(hh);
      sb.append(':');
    }

    if (mm < 10) {
      sb.append('0');
    }
    sb.append(mm);
    sb.append(':');

    if (ss < 10) {
      sb.append('0');
    }
    sb.append(ss);

    return sb.toString();
  }

  public static final String formatTimeSpan(Resources resources, long now, long then) {
    int minutes = (int) ((now - then) / 60000);
    if (minutes == 0)
      return resources.getString(R.string.age_0_minutes);
    if (minutes == 1)
      return resources.getString(R.string.age_1_minute);
    if (minutes < 60)
      return resources.getString(R.string.age_n_minutes, minutes);
    int hours = minutes / 60;
    if (hours == 1)
      return resources.getString(R.string.age_1_hour);
    if (hours < 24)
      return resources.getString(R.string.age_n_hours, hours);
    int days = hours / 24;
    if (days == 1)
      return resources.getString(R.string.age_1_day);
    if (days == 2)
      return resources.getString(R.string.age_2_days);
    if (days < 7)
      return resources.getString(R.string.age_n_days, days);
    int weeks = days / 7;
    if (weeks == 1)
      return resources.getString(R.string.age_1_week);
    return resources.getString(R.string.age_n_weeks, weeks);
  }
}