Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/**
 * CommonUtils.java created on 2014-07-14.
 *
 * Copyright (C) 2014 P1nGu1n
 *
 * This file is part of Snapshare.
 *
 * Snapshare 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 3 of the License, or
 * (at your option) any later version.
 *
 * Snapshare 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
 * a gazillion times. If not, see <http://www.gnu.org/licenses/>.
 */

public class Main {
    /**
     * Makes an human-readable string with 2 decimals of a number of bytes.
     * For example, (1024 * 1024 * 12.5) would return 12.50 MB.
     * @param bytes The number of bytes
     * @return The human-readable bytes
     */
    public static String formatBytes(long bytes) {
        int exp = (int) (Math.log(bytes) / Math.log(1024));
        String[] prefixes = new String[] { "", "K", "M", "G", "T", "P", "E" };
        String prefix = prefixes[exp];
        return String.format("%.2f %sB", bytes / Math.pow(1024, exp), prefix);
    }
}