Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (C) 2003-2014 eXo Platform SAS.
 *
 * This 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 of
 * the License, or (at your option) any later version.
 *
 * This software 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 software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */

import java.text.DecimalFormat;

public class Main {
    public static String getFileSize(long fileSize) {
        int freeUnit;
        for (freeUnit = 0; fileSize >= 100; freeUnit++) {
            fileSize /= 1024;
        }
        DecimalFormat decFormat = new DecimalFormat("0.0");
        String doubleString = decFormat.format(fileSize);
        StringBuffer buffer = new StringBuffer();
        buffer.append(doubleString);
        switch (freeUnit) {
        case 0:
            buffer.append("B");
            break;
        case 1:
            buffer.append("KB");
            break;
        case 2:
            buffer.append("MB");
            break;
        case 3:
            buffer.append("GB");
            break;
        case 4:
            buffer.append("TB");
            break;
        default:
            buffer.append("err");
            break;
        }
        return buffer.toString();
    }
}