Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 *   Copyright (c) 2014-2015 Luis M. Gallardo D.
 *   All rights reserved. This program and the accompanying materials
 *   are made available under the terms of the GNU Lesser General Public License v3.0
 *   which accompanies this distribution, and is available at
 *   http://www.gnu.org/licenses/lgpl.html
 *
 */

public class Main {
    public static String calculateSize(String value) {

        long bytes = Long.parseLong(value);

        int unit = 1024;
        if (bytes < unit)
            return bytes + " B";
        int exp = (int) (Math.log(bytes) / Math.log(unit));
        String pre = "KMGTPE".charAt(exp - 1) + "i";

        return String.format("%.1f %sB", bytes / Math.pow(unit, exp), pre).replace(",", ".");

    }
}