Java File Size Readable Format formatFileSize(long size)

Description

Formats a file size to a printable string.

License

Open Source License

Parameter

Parameter	Description
size	the file size to format

Return

a printable string with the file size

Declaration

public static String formatFileSize(long size) 

Method Source Code

//package com.java2s;
/*//w w  w .  ja  v  a  2  s  .  c o m
 * AdminUtils.java
 *
 * This work 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 work 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 * USA
 *
 * Copyright (c) 2004-2006 Per Cederberg. All rights reserved.
 */

public class Main {
    /**
     * Formats a file size to a printable string.
     *
     * @param size           the file size to format
     *
     * @return a printable string with the file size
     */
    public static String formatFileSize(long size) {
        float value = size;
        String unit;

        if (size > 1000000) {
            value /= 1048576;
            unit = " MiB";
        } else if (size > 2000) {
            value /= 1024;
            unit = " KiB";
        } else {
            unit = " Bytes";
        }
        value = Math.round(value * 10) / 10.0f;
        if (value == (int) value) {
            return (int) value + unit;
        } else {
            return value + unit;
        }
    }
}

Related

1. formatFileSize(long fileSize)
2. formatFileSize(long fileSize)
3. formatFileSize(long fileSize)
4. formatFileSize(long fileSizeLong)
5. formatFileSize(long size)
6. formatFileSize(long size, String format)
7. FormatFileSize(String filesize)
8. formatFilesize(String filesize, int decimalPlaces)
9. formatFileStats(final String label, final long fileCount, final Object rawSize)