Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

import java.text.DecimalFormat;

public class Main {
    public static final int SIZETYPE_B = 1;
    public static final int SIZETYPE_KB = 2;
    public static final int SIZETYPE_MB = 3;
    public static final int SIZETYPE_GB = 4;

    private static String FormetFileSize(long fileS) {
        DecimalFormat df = new DecimalFormat("#.00");
        String fileSizeString = "";
        String wrongSize = "0B";
        if (fileS == 0) {
            return wrongSize;
        }
        if (fileS < 1024) {
            fileSizeString = df.format((double) fileS) + "B";
        } else if (fileS < 1048576) {
            fileSizeString = df.format((double) fileS / 1024) + "KB";
        } else if (fileS < 1073741824) {
            fileSizeString = df.format((double) fileS / 1048576) + "MB";
        } else {
            fileSizeString = df.format((double) fileS / 1073741824) + "GB";
        }
        return fileSizeString;
    }

    private static double FormetFileSize(long fileS, int sizeType) {
        DecimalFormat df = new DecimalFormat("#.00");
        double fileSizeLong = 0;
        switch (sizeType) {
        case SIZETYPE_B:
            fileSizeLong = Double.valueOf(df.format((double) fileS));
            break;
        case SIZETYPE_KB:
            fileSizeLong = Double.valueOf(df.format((double) fileS / 1024));
            break;
        case SIZETYPE_MB:
            fileSizeLong = Double.valueOf(df.format((double) fileS / 1048576));
            break;
        case SIZETYPE_GB:
            fileSizeLong = Double.valueOf(df.format((double) fileS / 1073741824));
            break;
        default:
            break;
        }

        return fileSizeLong;
    }
}