Java File Size Get readableFileSize(long size)

Description

readable File Size

License

Apache License

Declaration

public static String readableFileSize(long size) 

Method Source Code

//package com.java2s;
//License from project: Apache License 

import java.text.DecimalFormat;

public class Main {
    final static String[] units = new String[] { "B", "kB", "MB", "GB", "TB", "PB", "EB", "ZB", "YB" };

    public static String readableFileSize(long size) {
        if (size <= 0)
            return "0";
        int digitGroups = (int) (Math.log10(size) / Math.log10(1024));
        return new DecimalFormat("#,##0.#").format(size / Math.pow(1024, digitGroups)) + " " + units[digitGroups];
    }/*from ww  w  .  j a  va  2s.c o m*/

    public static String readableFileSize(double size) {
        if (size <= 0) {
            return "0";
        }
        if (size > Math.pow(2, 89)) {
            return "gt 512 YB !";
        }
        int digitGroups = (int) (Math.log10(size) / Math.log10(1024));
        return new DecimalFormat("#,##0.#").format(size / Math.pow(1024, digitGroups)) + " " + units[digitGroups];
    }
}

Related

1. getStringSizeLengthFile(long size)
2. humanFileSize(Long longFileSize)
3. humanReadableFileSize(long size)
4. prettyFileSize(long size)
5. readableFileSize(final long size)
6. readableFileSize(long size)
7. stringifyFileSize(double value)
8. toFileSize(final long longSize, final int decimalPos)