Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Apache License 

public class Main {

    public static String getSize(long size) {
        if (size < 0)
            return null;

        String result = null;
        if (size > 1024 * 1024 * 1024) {
            float f = (float) size / (1024 * 1024 * 1024);
            String s = String.valueOf(f);
            if (s.length() - s.indexOf(".") > 2)
                result = s.substring(0, s.indexOf(".") + 3);
            else
                result = s;
            return result + "GB";
        } else if (size > 1024 * 1024) {
            float f = (float) size / (1024 * 1024);
            String s = String.valueOf(f);
            if (s.length() - s.indexOf(".") > 2)
                result = s.substring(0, s.indexOf(".") + 3);
            else
                result = s;
            return result + "MB";
        } else if (size > 1024) {
            float f = (float) size / 1024;
            String s = String.valueOf(f);
            if (s.length() - s.indexOf(".") > 2)
                result = s.substring(0, s.indexOf(".") + 3);
            else
                result = s;
            return result + "KB";
        } else if (size < 1024) {
            return String.valueOf(size) + "B";
        } else
            return null;
    }
}