Java File Size Readable Format formatFileSize(long fileSizeLong)

Description

format File Size

License

Open Source License

Declaration

public static String formatFileSize(long fileSizeLong) 

Method Source Code

//package com.java2s;
/*/*from   ww  w .ja  v  a2s .  c o  m*/
 *  Copyright (C) 2010-2015 JPEXS, All rights reserved.
 *
 * 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 3.0 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.
 */

public class Main {
    public static String formatFileSize(long fileSizeLong) {
        double fileSize = fileSizeLong;
        if (fileSize < 1024) {
            return String.format("%d bytes", fileSizeLong);
        }
        fileSize /= 1024;
        if (fileSize < 1024) {
            return String.format("%.2f KB", fileSize);
        }
        fileSize /= 1024;
        return String.format("%.2f MB", fileSize);
    }

    public static String format(String str, int len) {
        if (len <= str.length()) {
            return str;
        }
        StringBuilder sb = new StringBuilder(str);
        for (int ii = str.length(); ii < len; ii++) {
            sb.append(' ');
        }
        return sb.toString();
    }
}

Related

1. formatFileSize(long bytes)
2. formatFileSize(long bytes, boolean si)
3. formatFileSize(long fileSize)
4. formatFileSize(long fileSize)
5. formatFileSize(long fileSize)
6. formatFileSize(long size)
7. formatFileSize(long size)
8. formatFileSize(long size, String format)
9. FormatFileSize(String filesize)