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/*
* Copyright (C) 2009-2010 Institute for Computational Biomedicine,
* Weill Medical College of Cornell University
*
* This file is part of the Goby IO API.
*
* The Goby IO API is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* The Goby IO API 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with the Goby IO API. If not, see <http://www.gnu.org/licenses/>.
*/
package org.campagnelab.goby;
import org.campagnelab.goby.util.WarningCounter;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import java.text.SimpleDateFormat;
import java.util.Date;
/**
* Helper class to compare Goby versions.
*
* @author Fabien Campagne
* Date: May 6, 2011
* Time: 6:29:16 PM
*/
public class GobyVersion {
private static String[] versionPairs = {
"1.9.5-", "20110101000000",
"goby_1.9.6", "20110510111716",
"goby_1.9.8.1", "20111217111716",
"goby_1.9.8.2", "20120120000000",
"3.0.0","20160725144635"
};
private static String now() {
Date d = new Date();
SimpleDateFormat formatter = new SimpleDateFormat("yyyymmddHHmmss");
return formatter.format(d);
}
/**
* Return true when version is more recent or as recent as toBeComparedTo, false otherwise.
*
* @param version The goby version under test.
* @param toBeCompareTo A specific version we wish to compare version to.
* @return rrue if version is more or as recent as toBeComparedTo.
*/
public static boolean isMoreRecent(String version, String toBeCompareTo) {
return !isOlder(version, toBeCompareTo);
}
/**
* Return true when version is strictly older than toBeComparedTo, false otherwise.
*
* @param version The goby version under test.
* @param toBeCompareTo A specific version we wish to compare version to.
* @return Return true when version is strictly older than toBeComparedTo, false otherwise.
*/
public static boolean isOlder(String version, String toBeCompareTo) {
if (version.equals(toBeCompareTo)) {
// same version, the second one is not older.
return false;
}
long time1 = Long.parseLong(reduce(version));
long time2 = Long.parseLong(reduce(toBeCompareTo));
return time1 < time2;
}
private static WarningCounter versionWarning = new WarningCounter(1);
/**
* Reduce a version string to a date in the format yyyymmddHHmmss.
* @param version String obtained from the Goby jar manifest.
* @return Date the version was packaged.
*/
private static String reduce(String version) {
if (version.indexOf('(')>=0 && version.indexOf(')')>=0) {
// format "development (DATE)" OR "goby_1.9.6 (DATE)
String tokens[] = version.split("[()]");
final String token = tokens[1];
return token;
} else {
for (int i = 0; i < versionPairs.length; i++) {
if (version.equals(versionPairs[i])) return versionPairs[i + 1];
}
} // the version number was not recognized, assume we are dealing with a more recent version.
versionWarning.warn(LOG,String.format("Version number %s not recognized. Assuming this version is the most recent.", version));
return now();
}
/**
* Used to log debug and informational messages.
*/
private static final Log LOG = LogFactory.getLog(GobyVersion.class);
}
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