Christian Halstrick
14 years ago
committed by
Code Review
4 changed files with 292 additions and 0 deletions
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/* |
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* Copyright (C) 2011, Matthias Sohn <matthias.sohn@sap.com> |
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* and other copyright owners as documented in the project's IP log. |
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* |
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* This program and the accompanying materials are made available |
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* under the terms of the Eclipse Distribution License v1.0 which |
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* accompanies this distribution, is reproduced below, and is |
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* available at http://www.eclipse.org/org/documents/edl-v10.php
|
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* |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or |
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* without modification, are permitted provided that the following |
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* conditions are met: |
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* |
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* - Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* - Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer in the documentation and/or other materials provided |
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* with the distribution. |
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* |
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* - Neither the name of the Eclipse Foundation, Inc. nor the |
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* names of its contributors may be used to endorse or promote |
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* products derived from this software without specific prior |
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* written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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package org.eclipse.jgit.util; |
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import static org.junit.Assert.assertEquals; |
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import static org.eclipse.jgit.util.RelativeDateFormatter.YEAR_IN_MILLIS; |
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import static org.eclipse.jgit.util.RelativeDateFormatter.SECOND_IN_MILLIS; |
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import static org.eclipse.jgit.util.RelativeDateFormatter.MINUTE_IN_MILLIS; |
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import static org.eclipse.jgit.util.RelativeDateFormatter.HOUR_IN_MILLIS; |
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import static org.eclipse.jgit.util.RelativeDateFormatter.DAY_IN_MILLIS; |
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import java.util.Date; |
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import org.eclipse.jgit.util.RelativeDateFormatter; |
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import org.junit.Test; |
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public class RelativeDateFormatterTest { |
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private void assertFormat(long ageFromNow, long timeUnit, |
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String expectedFormat) { |
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Date d = new Date(System.currentTimeMillis() - ageFromNow * timeUnit); |
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String s = RelativeDateFormatter.format(d); |
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assertEquals(expectedFormat, s); |
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} |
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@Test |
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public void testFuture() { |
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assertFormat(-100, YEAR_IN_MILLIS, "in the future"); |
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assertFormat(-1, SECOND_IN_MILLIS, "in the future"); |
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} |
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@Test |
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public void testFormatSeconds() { |
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assertFormat(1, SECOND_IN_MILLIS, "1 seconds ago"); |
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assertFormat(89, SECOND_IN_MILLIS, "89 seconds ago"); |
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} |
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@Test |
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public void testFormatMinutes() { |
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assertFormat(90, SECOND_IN_MILLIS, "2 minutes ago"); |
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assertFormat(3, MINUTE_IN_MILLIS, "3 minutes ago"); |
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assertFormat(60, MINUTE_IN_MILLIS, "60 minutes ago"); |
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assertFormat(89, MINUTE_IN_MILLIS, "89 minutes ago"); |
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} |
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@Test |
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public void testFormatHours() { |
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assertFormat(90, MINUTE_IN_MILLIS, "2 hours ago"); |
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assertFormat(149, MINUTE_IN_MILLIS, "2 hours ago"); |
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assertFormat(35, HOUR_IN_MILLIS, "35 hours ago"); |
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} |
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@Test |
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public void testFormatDays() { |
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assertFormat(36, HOUR_IN_MILLIS, "2 days ago"); |
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assertFormat(13, DAY_IN_MILLIS, "13 days ago"); |
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} |
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@Test |
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public void testFormatWeeks() { |
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assertFormat(14, DAY_IN_MILLIS, "2 weeks ago"); |
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assertFormat(69, DAY_IN_MILLIS, "10 weeks ago"); |
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} |
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@Test |
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public void testFormatMonths() { |
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assertFormat(70, DAY_IN_MILLIS, "2 months ago"); |
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assertFormat(75, DAY_IN_MILLIS, "3 months ago"); |
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assertFormat(364, DAY_IN_MILLIS, "12 months ago"); |
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} |
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@Test |
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public void testFormatYearsMonths() { |
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assertFormat(366, DAY_IN_MILLIS, "1 year, 0 month ago"); |
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assertFormat(380, DAY_IN_MILLIS, "1 year, 1 month ago"); |
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assertFormat(410, DAY_IN_MILLIS, "1 year, 2 months ago"); |
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assertFormat(2, YEAR_IN_MILLIS, "2 years, 0 month ago"); |
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assertFormat(1824, DAY_IN_MILLIS, "4 years, 12 months ago"); |
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} |
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@Test |
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public void testFormatYears() { |
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assertFormat(5, YEAR_IN_MILLIS, "5 years ago"); |
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assertFormat(60, YEAR_IN_MILLIS, "60 years ago"); |
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} |
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} |
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@ -0,0 +1,140 @@
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/* |
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* Copyright (C) 2011, Matthias Sohn <matthias.sohn@sap.com> |
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* and other copyright owners as documented in the project's IP log. |
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* |
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* This program and the accompanying materials are made available |
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* under the terms of the Eclipse Distribution License v1.0 which |
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* accompanies this distribution, is reproduced below, and is |
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* available at http://www.eclipse.org/org/documents/edl-v10.php
|
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* |
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* All rights reserved. |
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* |
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* Redistribution and use in source and binary forms, with or |
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* without modification, are permitted provided that the following |
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* conditions are met: |
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* |
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* - Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* |
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* - Redistributions in binary form must reproduce the above |
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* copyright notice, this list of conditions and the following |
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* disclaimer in the documentation and/or other materials provided |
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* with the distribution. |
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* |
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* - Neither the name of the Eclipse Foundation, Inc. nor the |
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* names of its contributors may be used to endorse or promote |
||||
* products derived from this software without specific prior |
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* written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND |
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, |
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, |
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF |
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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*/ |
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package org.eclipse.jgit.util; |
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import java.text.MessageFormat; |
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import java.util.Date; |
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import org.eclipse.jgit.JGitText; |
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/** |
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* Formatter to format timestamps relative to the current time using time units |
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* in the format defined by {@code git log --relative-date}. |
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*/ |
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public class RelativeDateFormatter { |
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final static long SECOND_IN_MILLIS = 1000; |
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final static long MINUTE_IN_MILLIS = 60 * SECOND_IN_MILLIS; |
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final static long HOUR_IN_MILLIS = 60 * MINUTE_IN_MILLIS; |
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final static long DAY_IN_MILLIS = 24 * HOUR_IN_MILLIS; |
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final static long WEEK_IN_MILLIS = 7 * DAY_IN_MILLIS; |
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final static long MONTH_IN_MILLIS = 30 * DAY_IN_MILLIS; |
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final static long YEAR_IN_MILLIS = 365 * DAY_IN_MILLIS; |
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/** |
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* @param when |
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* {@link Date} to format |
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* @return age of given {@link Date} compared to now formatted in the same |
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* relative format as returned by {@code git log --relative-date} |
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*/ |
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@SuppressWarnings("boxing") |
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public static String format(Date when) { |
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long ageMillis = (System.currentTimeMillis() - when.getTime()); |
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// shouldn't happen in a perfect world
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if (ageMillis < 0) |
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return JGitText.get().inTheFuture; |
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// seconds
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if (ageMillis < upperLimit(MINUTE_IN_MILLIS)) |
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return MessageFormat.format(JGitText.get().secondsAgo, |
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round(ageMillis, SECOND_IN_MILLIS)); |
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// minutes
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if (ageMillis < upperLimit(HOUR_IN_MILLIS)) |
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return MessageFormat.format(JGitText.get().minutesAgo, |
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round(ageMillis, MINUTE_IN_MILLIS)); |
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// hours
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if (ageMillis < upperLimit(DAY_IN_MILLIS)) |
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return MessageFormat.format(JGitText.get().hoursAgo, |
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round(ageMillis, HOUR_IN_MILLIS)); |
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// up to 14 days use days
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if (ageMillis < 14 * DAY_IN_MILLIS) |
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return MessageFormat.format(JGitText.get().daysAgo, |
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round(ageMillis, DAY_IN_MILLIS)); |
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// up to 10 weeks use weeks
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if (ageMillis < 10 * WEEK_IN_MILLIS) |
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return MessageFormat.format(JGitText.get().weeksAgo, |
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round(ageMillis, WEEK_IN_MILLIS)); |
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// months
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if (ageMillis < YEAR_IN_MILLIS) |
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return MessageFormat.format(JGitText.get().monthsAgo, |
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round(ageMillis, MONTH_IN_MILLIS)); |
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// up to 5 years use "year, months" rounded to months
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if (ageMillis < 5 * YEAR_IN_MILLIS) { |
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long years = ageMillis / YEAR_IN_MILLIS; |
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String yearLabel = (years > 1) ? JGitText.get().years : //
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JGitText.get().year; |
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long months = round(ageMillis % YEAR_IN_MILLIS, MONTH_IN_MILLIS); |
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String monthLabel = (months > 1) ? JGitText.get().months : //
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JGitText.get().month; |
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return MessageFormat.format(JGitText.get().yearsMonthsAgo, |
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new Object[] { years, yearLabel, months, monthLabel }); |
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} |
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// years
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return MessageFormat.format(JGitText.get().yearsAgo, |
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round(ageMillis, YEAR_IN_MILLIS)); |
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} |
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private static long upperLimit(long unit) { |
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long limit = unit + unit / 2; |
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return limit; |
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} |
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private static long round(long n, long unit) { |
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long rounded = (n + unit / 2) / unit; |
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return rounded; |
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} |
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} |
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