Java Size Format formatSize(long size)

Description

Format the document size for human readers

License

Open Source License

Declaration

public static String formatSize(long size) 

Method Source Code

//package com.java2s;
/**/*from  w  ww.  j  a  va2  s.  co  m*/
 *  OpenKM, Open Document Management System (http://www.openkm.com)
 *  Copyright (c) 2006-2013  Paco Avila & Josep Llort
 *
 *  No bytes were intentionally harmed during the development of this application.
 *
 *  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 2 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, write to the Free Software Foundation, Inc.,
 *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 */

import java.text.DecimalFormat;

public class Main {
    /**
     * Format the document size for human readers
     */
    public static String formatSize(long size) {
        DecimalFormat df = new DecimalFormat("#0.0");
        String str;

        if (size / 1024 < 1) {
            str = size + " B";
        } else if (size / 1048576 < 1) {
            str = df.format(size / 1024.0) + " KB";
        } else if (size / 1073741824 < 1) {
            str = df.format(size / 1048576.0) + " MB";
        } else if (size / 1099511627776L < 1) {
            str = df.format(size / 1073741824.0) + " GB";
        } else if (size / 1125899906842624L < 1) {
            str = df.format(size / 1099511627776.0) + " TB";
        } else {
            str = "BIG";
        }

        return str;
    }
}

Related

1. formatSize(long bytes)
2. formatSize(long bytes)
3. formatSize(long fileSize)
4. formatSize(long longSize)
5. formatSize(long longSize, int decimalPos)
6. formatSize(long size)
7. formatSize(long size)
8. formatSize(long size)
9. formatSize(long size)