/**
* ****************************************************************************
* Copyright (c) 2010-2016 by Min Cai (min.cai.china@gmail.com).
* <p>
* This file is part of the PickaPack library.
* <p>
* PickaPack 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.
* <p>
* PickaPack 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.
* <p>
* You should have received a copy of the GNU General Public License
* along with PickaPack. If not, see <http://www.gnu.org/licenses/>.
* ****************************************************************************
*/
package archimulator.util;
import org.apache.commons.io.FileUtils;
/**
* Storage unit helper.
*
* @author Min Cai
*/
public class StorageUnitHelper {
/**
* Convert the specified display size to the byte count.
*
* @param displaySize the display size
* @return the byte count corresponding to the specified display size
*/
public static long displaySizeToByteCount(String displaySize) {
String[] parts = displaySize.split(" ");
if (parts.length == 2) {
double scale = Double.parseDouble(parts[0]);
String unit = parts[1];
switch (unit) {
case "KB":
return (long) (scale * FileUtils.ONE_KB);
case "MB":
return (long) (scale * FileUtils.ONE_MB);
case "GB":
return (long) (scale * FileUtils.ONE_GB);
case "TB":
return (long) (scale * FileUtils.ONE_TB);
case "PB":
return (long) (scale * FileUtils.ONE_PB);
case "EB":
return (long) (scale * FileUtils.ONE_EB);
}
}
throw new IllegalArgumentException();
}
}