Java Memory Usage getMemorySize(long size)

Description

get Memory Size

License

Open Source License

Declaration

public static String getMemorySize(long size) 

Method Source Code

//package com.java2s;
/*  This file is part of Openrouteservice.
 *
 *  Openrouteservice 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 2.1 
 *  of the License, or (at your option) any later version.
    /*from   w  ww. j  a va  2s .c om*/
 *  This library 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 library; 
 *  if not, see <https://www.gnu.org/licenses/>.  
 */

import java.text.DecimalFormat;

public class Main {
    public static String getMemorySize(long size) {
        String hrSize = null;
        double b = size;
        double k = size / 1024.0;
        double m = ((size / 1024.0) / 1024.0);
        double g = (((size / 1024.0) / 1024.0) / 1024.0);
        double t = ((((size / 1024.0) / 1024.0) / 1024.0) / 1024.0);

        DecimalFormat dec1 = new DecimalFormat("0.00");
        DecimalFormat dec2 = new DecimalFormat("0");
        if (t > 1) {
            hrSize = isDouble(t) ? dec1.format(t).concat(" TB") : dec2.format(t).concat(" TB");
        } else if (g > 1) {
            hrSize = isDouble(g) ? dec1.format(g).concat(" GB") : dec2.format(g).concat(" GB");
        } else if (m > 1) {
            hrSize = isDouble(m) ? dec1.format(m).concat(" MB") : dec2.format(m).concat(" MB");
        } else if (k > 1) {
            hrSize = isDouble(k) ? dec1.format(k).concat(" KB") : dec2.format(k).concat(" KB");
        } else {
            hrSize = isDouble(b) ? dec1.format(b).concat(" B") : dec2.format(b).concat(" B");
        }

        return hrSize;
    }

    private static boolean isDouble(double value) {
        if (value % 1 == 0) {
            return false;
        } else {
            return true;
        }
    }
}

Related

1. getMemInfo()
2. getMemoryFootprint()
3. getMemoryInfo()
4. getMemoryInfo()
5. getMemoryInfo()
6. getMemoryStatus()
7. getMemoryUsage()
8. getMemoryUsage()
9. getMemoryUsage()