/*
* Syncany, www.syncany.org
* Copyright (C) 2011-2015 Philipp C. Heckel <philipp.heckel@gmail.com>
*
* This program 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.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.syncany.cli.util;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
/**
* Various CLI-utilities.
*
* @author Pim Otte
*/
public class CommandLineUtil {
/**
* Parses a string of type "1y2mo3w4d5h6m7s", where the units represent
* years, months, weeks, days, hours, minutes and second respectively.
*
* returns: the duration of the period represented by the string in seconds.
*/
public static long parseTimePeriod(String period) {
Pattern relativeDatePattern = Pattern.compile("(\\d+(?:[.,]\\d+)?)(mo|[smhdwy])");
Matcher relativeDateMatcher = relativeDatePattern.matcher(period);
relativeDateMatcher.reset();
long periodSeconds = 0;
while (relativeDateMatcher.find()) {
double time = Double.parseDouble(relativeDateMatcher.group(1));
String unitStr = relativeDateMatcher.group(2).toLowerCase();
int unitMultiplier = 0;
if (unitStr.startsWith("mo")) { unitMultiplier = 30*24*60*60; } // must be before "m"
else if (unitStr.startsWith("s")) { unitMultiplier = 1; }
else if (unitStr.startsWith("m")) { unitMultiplier = 60; }
else if (unitStr.startsWith("h")) { unitMultiplier = 60*60; }
else if (unitStr.startsWith("d")) { unitMultiplier = 24*60*60; }
else if (unitStr.startsWith("w")) { unitMultiplier = 7*24*60*60; }
else if (unitStr.startsWith("y")) { unitMultiplier = 365*24*60*60; }
periodSeconds += (long) ((double)time*unitMultiplier);
}
return periodSeconds;
}
}