src/main/java/com/gitblit/utils/TimeUtils.java - gitblit - Git at Google

 /*
  * Copyright 2011 gitblit.com.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *     http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */
 package com.gitblit.utils;

 import java.text.MessageFormat;
 import java.text.SimpleDateFormat;
 import java.util.Calendar;
 import java.util.Date;
 import java.util.ResourceBundle;
 import java.util.TimeZone;

 /**
  * Utility class of time functions.
  *
  * @author James Moger
  *
  */
 public class TimeUtils {
 	public static final long MIN = 1000 * 60L;

 	public static final long HALFHOUR = MIN * 30L;

 	public static final long ONEHOUR = HALFHOUR * 2;

 	public static final long ONEDAY = ONEHOUR * 24L;

 	public static final long ONEYEAR = ONEDAY * 365L;

 	private final ResourceBundle translation;

 	private final TimeZone timezone;

 	public TimeUtils() {
 		this(null, null);
 	}

 	public TimeUtils(ResourceBundle translation, TimeZone timezone) {
 		this.translation = translation;
 		this.timezone = timezone;
 	}

 	/**
 	 * Returns true if date is today.
 	 *
 	 * @param date
 	 * @return true if date is today
 	 */
 	public static boolean isToday(Date date, TimeZone timezone) {
 		Date now = new Date();
 		SimpleDateFormat df = new SimpleDateFormat("yyyyMMdd");
 		if (timezone != null) {
 			df.setTimeZone(timezone);
 		}
 		return df.format(now).equals(df.format(date));
 	}

 	/**
 	 * Returns true if date is yesterday.
 	 *
 	 * @param date
 	 * @return true if date is yesterday
 	 */
 	public static boolean isYesterday(Date date, TimeZone timezone) {
 		Calendar cal = Calendar.getInstance();
 		cal.setTime(new Date());
 		cal.add(Calendar.DATE, -1);
 		SimpleDateFormat df = new SimpleDateFormat("yyyyMMdd");
 		if (timezone != null) {
 			df.setTimeZone(timezone);
 		}
 		return df.format(cal.getTime()).equals(df.format(date));
 	}

 	/**
 	 * Returns the string representation of the duration as days, months and/or
 	 * years.
 	 *
 	 * @param days
 	 * @return duration as string in days, months, and/or years
 	 */
 	public String duration(int days) {
 		if (days <= 60) {
 			return (days > 1 ? translate(days, "gb.duration.days", "{0} days") : translate("gb.duration.oneDay", "1 day"));
 		} else if (days < 365) {
 			int rem = days % 30;
 			return translate(((days / 30) + (rem >= 15 ? 1 : 0)), "gb.duration.months", "{0} months");
 		} else {
 			int years = days / 365;
 			int rem = days % 365;
 			String yearsString = (years > 1 ? translate(years, "gb.duration.years", "{0} years") : translate("gb.duration.oneYear", "1 year"));
 			if (rem < 30) {
 				if (rem == 0) {
 					return yearsString;
 				} else {
 					return yearsString + (rem >= 15 ? (", " + translate("gb.duration.oneMonth", "1 month")): "");
 				}
 			} else {
 				int months = rem / 30;
 				int remDays = rem % 30;
 				if (remDays >= 15) {
 					months++;
 				}
 				String monthsString = yearsString + ", "
 						+ (months > 1 ? translate(months, "gb.duration.months", "{0} months") : translate("gb.duration.oneMonth", "1 month"));
 				return monthsString;
 			}
 		}
 	}

 	/**
 	 * Returns the number of minutes ago between the start time and the end
 	 * time.
 	 *
 	 * @param date
 	 * @param endTime
 	 * @param roundup
 	 * @return difference in minutes
 	 */
 	public static int minutesAgo(Date date, long endTime, boolean roundup) {
 		long diff = endTime - date.getTime();
 		int mins = (int) (diff / MIN);
 		if (roundup && (diff % MIN) >= 30) {
 			mins++;
 		}
 		return mins;
 	}

 	/**
 	 * Return the difference in minutes between now and the date.
 	 *
 	 * @param date
 	 * @param roundup
 	 * @return minutes ago
 	 */
 	public static int minutesAgo(Date date, boolean roundup) {
 		return minutesAgo(date, System.currentTimeMillis(), roundup);
 	}

 	/**
 	 * Return the difference in hours between now and the date.
 	 *
 	 * @param date
 	 * @param roundup
 	 * @return hours ago
 	 */
 	public static int hoursAgo(Date date, boolean roundup) {
 		long diff = System.currentTimeMillis() - date.getTime();
 		int hours = (int) (diff / ONEHOUR);
 		if (roundup && (diff % ONEHOUR) >= HALFHOUR) {
 			hours++;
 		}
 		return hours;
 	}

 	/**
 	 * Return the difference in days between now and the date.
 	 *
 	 * @param date
 	 * @return days ago
 	 */
 	public static int daysAgo(Date date) {
 		long today = ONEDAY * (System.currentTimeMillis()/ONEDAY);
 		long day = ONEDAY * (date.getTime()/ONEDAY);
 		long diff = today - day;
 		int days = (int) (diff / ONEDAY);
 		return days;
 	}

 	public String today() {
 		return translate("gb.time.today", "today");
 	}

 	public String yesterday() {
 		return translate("gb.time.yesterday", "yesterday");
 	}

 	/**
 	 * Returns the string representation of the duration between now and the
 	 * date.
 	 *
 	 * @param date
 	 * @return duration as a string
 	 */
 	public String timeAgo(Date date) {
 		return timeAgo(date, false);
 	}

 	/**
 	 * Returns the CSS class for the date based on its age from Now.
 	 *
 	 * @param date
 	 * @return the css class
 	 */
 	public String timeAgoCss(Date date) {
 		return timeAgo(date, true);
 	}

 	/**
 	 * Returns the string representation of the duration OR the css class for
 	 * the duration.
 	 *
 	 * @param date
 	 * @param css
 	 * @return the string representation of the duration OR the css class
 	 */
 	private String timeAgo(Date date, boolean css) {
 		if (isToday(date, timezone) || isYesterday(date, timezone)) {
 			int mins = minutesAgo(date, true);
 			if (mins >= 120) {
 				if (css) {
 					return "age1";
 				}
 				int hours = hoursAgo(date, true);
 				if (hours > 23) {
 					return yesterday();
 				} else {
 					return translate(hours, "gb.time.hoursAgo", "{0} hours ago");
 				}
 			}
 			if (css) {
 				return "age0";
 			}
 			if (mins > 2) {
 				return translate(mins, "gb.time.minsAgo", "{0} mins ago");
 			}
 			return translate("gb.time.justNow", "just now");
 		} else {
 			int days = daysAgo(date);
 			if (css) {
 				if (days <= 7) {
 					return "age2";
 				} if (days <= 30) {
 					return "age3";
 				} else {
 					return "age4";
 				}
 			}
 			if (days < 365) {
 				if (days <= 30) {
 					return translate(days, "gb.time.daysAgo", "{0} days ago");
 				} else if (days <= 90) {
 					int weeks = days / 7;
 					if (weeks == 12) {
 						return translate(3, "gb.time.monthsAgo", "{0} months ago");
 					} else {
 						return translate(weeks, "gb.time.weeksAgo", "{0} weeks ago");
 					}
 				}
 				int months = days / 30;
 				int weeks = (days % 30) / 7;
 				if (weeks >= 2) {
 					months++;
 				}
 				return translate(months, "gb.time.monthsAgo", "{0} months ago");
 			} else if (days == 365) {
 				return translate("gb.time.oneYearAgo", "1 year ago");
 			} else {
 				int yr = days / 365;
 				days = days % 365;
 				int months = (yr * 12) + (days / 30);
 				if (months > 23) {
 					return translate(yr, "gb.time.yearsAgo", "{0} years ago");
 				} else {
 					return translate(months, "gb.time.monthsAgo", "{0} months ago");
 				}
 			}
 		}
 	}

 	public String inFuture(Date date) {
 		long diff = date.getTime() - System.currentTimeMillis();
 		if (diff > ONEDAY) {
 			double days = ((double) diff)/ONEDAY;
 			return translate((int) Math.round(days), "gb.time.inDays", "in {0} days");
 		} else {
 			double hours = ((double) diff)/ONEHOUR;
 			if (hours > 2) {
 				return translate((int) Math.round(hours), "gb.time.inHours", "in {0} hours");
 			} else {
 				int mins = (int) (diff/MIN);
 				return translate(mins, "gb.time.inMinutes", "in {0} minutes");
 			}
 		}
 	}

 	private String translate(String key, String defaultValue) {
 		String value = defaultValue;
 		if (translation != null && translation.containsKey(key)) {
 			String aValue = translation.getString(key);
 			if (!StringUtils.isEmpty(aValue)) {
 				value = aValue;
 			}
 		}
 		return value;
 	}

 	private String translate(int val, String key, String defaultPattern) {
 		String pattern = defaultPattern;
 		if (translation != null && translation.containsKey(key)) {
 			String aValue = translation.getString(key);
 			if (!StringUtils.isEmpty(aValue)) {
 				pattern = aValue;
 			}
 		}
 		return MessageFormat.format(pattern, val);
 	}

 	/**
 	 * Convert a frequency string into minutes.
 	 *
 	 * @param frequency
 	 * @param minimumMins
 	 * @return minutes
 	 */
 	public static int convertFrequencyToMinutes(String frequency, int minimumMins) {
 		// parse the frequency
 		frequency = frequency.toLowerCase();
 		int mins = minimumMins;
 		if (!StringUtils.isEmpty(frequency)) {
 			try {
 				String str = frequency.trim();
 				if (frequency.indexOf(' ') > -1) {
 					str = str.substring(0, str.indexOf(' ')).trim();
 				}
 				mins = (int) Float.parseFloat(str);
 			} catch (NumberFormatException e) {
 			}
 			if (mins < minimumMins) {
 				mins = minimumMins;
 			}
 			if (frequency.indexOf("day") > -1) {
 				// convert to minutes
 				mins *= 1440;
 			} else if (frequency.indexOf("hour") > -1) {
 				// convert to minutes
 				mins *= 60;
 			}
 		}
 		return mins;
 	}
 }
	/*
	* Copyright 2011 gitblit.com.
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/
	package com.gitblit.utils;

	import java.text.MessageFormat;
	import java.text.SimpleDateFormat;
	import java.util.Calendar;
	import java.util.Date;
	import java.util.ResourceBundle;
	import java.util.TimeZone;

	/**
	* Utility class of time functions.
	*
	* @author James Moger
	*
	*/
	public class TimeUtils {
	public static final long MIN = 1000 * 60L;

	public static final long HALFHOUR = MIN * 30L;

	public static final long ONEHOUR = HALFHOUR * 2;

	public static final long ONEDAY = ONEHOUR * 24L;

	public static final long ONEYEAR = ONEDAY * 365L;

	private final ResourceBundle translation;

	private final TimeZone timezone;

	public TimeUtils() {
	this(null, null);
	}

	public TimeUtils(ResourceBundle translation, TimeZone timezone) {
	this.translation = translation;
	this.timezone = timezone;
	}

	/**
	* Returns true if date is today.
	*
	* @param date
	* @return true if date is today
	*/
	public static boolean isToday(Date date, TimeZone timezone) {
	Date now = new Date();
	SimpleDateFormat df = new SimpleDateFormat("yyyyMMdd");
	if (timezone != null) {
	df.setTimeZone(timezone);
	}
	return df.format(now).equals(df.format(date));
	}

	/**
	* Returns true if date is yesterday.
	*
	* @param date
	* @return true if date is yesterday
	*/
	public static boolean isYesterday(Date date, TimeZone timezone) {
	Calendar cal = Calendar.getInstance();
	cal.setTime(new Date());
	cal.add(Calendar.DATE, -1);
	SimpleDateFormat df = new SimpleDateFormat("yyyyMMdd");
	if (timezone != null) {
	df.setTimeZone(timezone);
	}
	return df.format(cal.getTime()).equals(df.format(date));
	}

	/**
	* Returns the string representation of the duration as days, months and/or
	* years.
	*
	* @param days
	* @return duration as string in days, months, and/or years
	*/
	public String duration(int days) {
	if (days <= 60) {
	return (days > 1 ? translate(days, "gb.duration.days", "{0} days") : translate("gb.duration.oneDay", "1 day"));
	} else if (days < 365) {
	int rem = days % 30;
	return translate(((days / 30) + (rem >= 15 ? 1 : 0)), "gb.duration.months", "{0} months");
	} else {
	int years = days / 365;
	int rem = days % 365;
	String yearsString = (years > 1 ? translate(years, "gb.duration.years", "{0} years") : translate("gb.duration.oneYear", "1 year"));
	if (rem < 30) {
	if (rem == 0) {
	return yearsString;
	} else {
	return yearsString + (rem >= 15 ? (", " + translate("gb.duration.oneMonth", "1 month")): "");
	}
	} else {
	int months = rem / 30;
	int remDays = rem % 30;
	if (remDays >= 15) {
	months++;
	}
	String monthsString = yearsString + ", "
	+ (months > 1 ? translate(months, "gb.duration.months", "{0} months") : translate("gb.duration.oneMonth", "1 month"));
	return monthsString;
	}
	}
	}

	/**
	* Returns the number of minutes ago between the start time and the end
	* time.
	*
	* @param date
	* @param endTime
	* @param roundup
	* @return difference in minutes
	*/
	public static int minutesAgo(Date date, long endTime, boolean roundup) {
	long diff = endTime - date.getTime();
	int mins = (int) (diff / MIN);
	if (roundup && (diff % MIN) >= 30) {
	mins++;
	}
	return mins;
	}

	/**
	* Return the difference in minutes between now and the date.
	*
	* @param date
	* @param roundup
	* @return minutes ago
	*/
	public static int minutesAgo(Date date, boolean roundup) {
	return minutesAgo(date, System.currentTimeMillis(), roundup);
	}

	/**
	* Return the difference in hours between now and the date.
	*
	* @param date
	* @param roundup
	* @return hours ago
	*/
	public static int hoursAgo(Date date, boolean roundup) {
	long diff = System.currentTimeMillis() - date.getTime();
	int hours = (int) (diff / ONEHOUR);
	if (roundup && (diff % ONEHOUR) >= HALFHOUR) {
	hours++;
	}
	return hours;
	}

	/**
	* Return the difference in days between now and the date.
	*
	* @param date
	* @return days ago
	*/
	public static int daysAgo(Date date) {
	long today = ONEDAY * (System.currentTimeMillis()/ONEDAY);
	long day = ONEDAY * (date.getTime()/ONEDAY);
	long diff = today - day;
	int days = (int) (diff / ONEDAY);
	return days;
	}

	public String today() {
	return translate("gb.time.today", "today");
	}

	public String yesterday() {
	return translate("gb.time.yesterday", "yesterday");
	}

	/**
	* Returns the string representation of the duration between now and the
	* date.
	*
	* @param date
	* @return duration as a string
	*/
	public String timeAgo(Date date) {
	return timeAgo(date, false);
	}

	/**
	* Returns the CSS class for the date based on its age from Now.
	*
	* @param date
	* @return the css class
	*/
	public String timeAgoCss(Date date) {
	return timeAgo(date, true);
	}

	/**
	* Returns the string representation of the duration OR the css class for
	* the duration.
	*
	* @param date
	* @param css
	* @return the string representation of the duration OR the css class
	*/
	private String timeAgo(Date date, boolean css) {
	if (isToday(date, timezone) \|\| isYesterday(date, timezone)) {
	int mins = minutesAgo(date, true);
	if (mins >= 120) {
	if (css) {
	return "age1";
	}
	int hours = hoursAgo(date, true);
	if (hours > 23) {
	return yesterday();
	} else {
	return translate(hours, "gb.time.hoursAgo", "{0} hours ago");
	}
	}
	if (css) {
	return "age0";
	}
	if (mins > 2) {
	return translate(mins, "gb.time.minsAgo", "{0} mins ago");
	}
	return translate("gb.time.justNow", "just now");
	} else {
	int days = daysAgo(date);
	if (css) {
	if (days <= 7) {
	return "age2";
	} if (days <= 30) {
	return "age3";
	} else {
	return "age4";
	}
	}
	if (days < 365) {
	if (days <= 30) {
	return translate(days, "gb.time.daysAgo", "{0} days ago");
	} else if (days <= 90) {
	int weeks = days / 7;
	if (weeks == 12) {
	return translate(3, "gb.time.monthsAgo", "{0} months ago");
	} else {
	return translate(weeks, "gb.time.weeksAgo", "{0} weeks ago");
	}
	}
	int months = days / 30;
	int weeks = (days % 30) / 7;
	if (weeks >= 2) {
	months++;
	}
	return translate(months, "gb.time.monthsAgo", "{0} months ago");
	} else if (days == 365) {
	return translate("gb.time.oneYearAgo", "1 year ago");
	} else {
	int yr = days / 365;
	days = days % 365;
	int months = (yr * 12) + (days / 30);
	if (months > 23) {
	return translate(yr, "gb.time.yearsAgo", "{0} years ago");
	} else {
	return translate(months, "gb.time.monthsAgo", "{0} months ago");
	}
	}
	}
	}

	public String inFuture(Date date) {
	long diff = date.getTime() - System.currentTimeMillis();
	if (diff > ONEDAY) {
	double days = ((double) diff)/ONEDAY;
	return translate((int) Math.round(days), "gb.time.inDays", "in {0} days");
	} else {
	double hours = ((double) diff)/ONEHOUR;
	if (hours > 2) {
	return translate((int) Math.round(hours), "gb.time.inHours", "in {0} hours");
	} else {
	int mins = (int) (diff/MIN);
	return translate(mins, "gb.time.inMinutes", "in {0} minutes");
	}
	}
	}

	private String translate(String key, String defaultValue) {
	String value = defaultValue;
	if (translation != null && translation.containsKey(key)) {
	String aValue = translation.getString(key);
	if (!StringUtils.isEmpty(aValue)) {
	value = aValue;
	}
	}
	return value;
	}

	private String translate(int val, String key, String defaultPattern) {
	String pattern = defaultPattern;
	if (translation != null && translation.containsKey(key)) {
	String aValue = translation.getString(key);
	if (!StringUtils.isEmpty(aValue)) {
	pattern = aValue;
	}
	}
	return MessageFormat.format(pattern, val);
	}

	/**
	* Convert a frequency string into minutes.
	*
	* @param frequency
	* @param minimumMins
	* @return minutes
	*/
	public static int convertFrequencyToMinutes(String frequency, int minimumMins) {
	// parse the frequency
	frequency = frequency.toLowerCase();
	int mins = minimumMins;
	if (!StringUtils.isEmpty(frequency)) {
	try {
	String str = frequency.trim();
	if (frequency.indexOf(' ') > -1) {
	str = str.substring(0, str.indexOf(' ')).trim();
	}
	mins = (int) Float.parseFloat(str);
	} catch (NumberFormatException e) {
	}
	if (mins < minimumMins) {
	mins = minimumMins;
	}
	if (frequency.indexOf("day") > -1) {
	// convert to minutes
	mins *= 1440;
	} else if (frequency.indexOf("hour") > -1) {
	// convert to minutes
	mins *= 60;
	}
	}
	return mins;
	}
	}