Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
//License from project: Open Source License 

public class Main {

    public static String formatFromSize(long size) {
        if (size == -1)
            return "";
        String suffix = " B";
        if (size >= 1024) {
            suffix = " KB";
            size /= 1024;
            if (size >= 1024) {
                suffix = " MB";
                size /= 1024;
            }
        }

        StringBuilder resultBuffer = new StringBuilder(Long.toString(size));

        int commaOffset = resultBuffer.length() - 3;
        while (commaOffset > 0) {
            resultBuffer.insert(commaOffset, ',');
            commaOffset -= 3;
        }

        if (suffix != null)
            resultBuffer.append(suffix);
        return resultBuffer.toString();
    }
}