Java Size getSizeString(long number, Locale locale)

Description

get Size String

License

Apache License

Declaration

public static String getSizeString(long number, Locale locale) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2009 Licensed under the Apache License, 
 * Version 2.0 (the "License"); you may not use this file except in compliance 
 * with the License. You may obtain a copy of the License at 
 * /*from   w w w  . ja va  2 s .co m*/
 * http://www.apache.org/licenses/LICENSE-2.0 
 * 
 * Unless required by applicable law or agreed to in writing, software 
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT 
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the 
 * License for the specific language governing permissions and limitations under
 * the License.
 * 
 * Contributors:
 * 
 * Astrient Foundation Inc. 
 * www.astrientfoundation.org
 * rashid@astrientfoundation.org
 * Rashid Mayes 2009
 *******************************************************************************/

import java.text.NumberFormat;
import java.util.Locale;

public class Main {
    public static final double KIB = new Double(Math.pow(2, 10)).intValue();
    public static final double MIB = new Double(Math.pow(2, 20)).intValue();
    public static final double GIB = new Double(Math.pow(2, 30)).intValue();

    public static String getSizeString(long number, Locale locale) {
        String suffix;
        double sz;

        if (number == 0) {
            return "0";
        } else if (number >= GIB) {
            //gb
            sz = (number / GIB);
            suffix = "GB";
        } else if (number >= MIB) {
            //mb
            sz = (number / MIB);
            suffix = "MB";
        } else if (number >= KIB) {
            //kb
            sz = number / KIB;
            suffix = "KB";
        } else {
            sz = number;
            suffix = "B";
        }

        NumberFormat nf = NumberFormat.getNumberInstance(locale);
        nf.setMaximumFractionDigits(2);

        return nf.format(sz) + suffix;
    }
}

Related

1. getSize(long octets)
2. getSizeAll(final long bytes)
3. getSizeFormat()
4. getSizeInKB(String size)
5. getSizeString(long bytes)
6. getSizeString(long size)
7. getSizeText(long size)
8. getSpaceSizeFromByte(long xB)
9. getStringSize(String string)