Java Size Format formatSize(long longSize)

Description

format Size

License

Open Source License

Declaration

public static String formatSize(long longSize) 

Method Source Code

//package com.java2s;
/*//from w  w  w.j  a  v a2s . c  o m
 * Copyright (C) 2001-2003 Colin Bell
 * colbell@users.sourceforge.net
 *
 * This library 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 2.1 of the License, or (at your option) any later version.
 *
 * This library 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 this library; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

import java.text.NumberFormat;

public class Main {
    public static String formatSize(long longSize) {
        return formatSize(longSize, -1);
    }

    public static String formatSize(long longSize, int decimalPos) {
        NumberFormat fmt = NumberFormat.getNumberInstance();
        if (decimalPos >= 0) {
            fmt.setMaximumFractionDigits(decimalPos);
        }
        final double size = longSize;
        double val = size / (1024 * 1024);
        if (val > 1) {
            return fmt.format(val).concat(" MB");
        }
        val = size / 1024;
        if (val > 10) {
            return fmt.format(val).concat(" KB");
        }
        return fmt.format(val).concat(" bytes");
    }
}

Related

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