Java Size Format formatSizeInfo(long size)

Description

Get size info

License

Open Source License

Parameter

Parameter	Description
size	size of file

Declaration

public static String formatSizeInfo(long size) 

Method Source Code

//package com.java2s;
/*//from  w w  w. j av  a  2  s .  c  om
 * Copyright (C) 2013-2015 E-Spring Tran
 * 
 *             https://espringtran.com
 * 
 * This program 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.
 * 
 * This program 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
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */

import java.text.DecimalFormat;

public class Main {
    private static final DecimalFormat dfDouble = new DecimalFormat("0.##");

    /**
     * Get size info
     * 
     * @param size
     *            size of file
     * @return
     */
    public static String formatSizeInfo(long size) {
        double value = size;
        String unit = "Byte(s)";
        if (value >= 1024) {
            value /= 1024;
            unit = "KB(s)";
        }
        if (value >= 1024) {
            value /= 1024;
            unit = "MB(s)";
        }
        if (value >= 1024) {
            value /= 1024;
            unit = "GB(s)";
        }
        if (value >= 1024) {
            value /= 1024;
            unit = "GB(s)";
        }
        return formatDouble(value) + " " + unit;
    }

    /**
     * Format double
     * 
     * @param d
     *            double value
     * @return
     */
    public static String formatDouble(Double d) {
        if (d == null)
            return "";
        return dfDouble.format(d);
    }
}

Related

1. formatSize(long size)
2. formatSize(long size)
3. formatSize(long size, boolean forceFixLen, boolean forceSizeInBytes)
4. formatSize(long sizeInByte)
5. formatSize(long sizeInBytes)
6. formatStorageSize(Double size, String label)