Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/*
 * Copyright (C) 2016 Ferid Cafer
 *
 * 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
 *
 *      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.
 */

import java.io.File;

public class Main {
    /**
     * Get the file size in gb unit
     * @param directory File
     * @return double
     */
    public static double getFileSize(File directory) {
        double bytes = getFolderSizeRecursively(directory);
        double kilobytes = (bytes / 1024);
        double megabytes = (kilobytes / 1024);

        return megabytes;
    }

    /**
     * Get folder size recursively
     * @param directory File
     * @return long
     */
    public static long getFolderSizeRecursively(File directory) {
        long length = 0;
        for (File file : directory.listFiles()) {
            if (file.isFile()) {
                length += file.length();
            } else {
                length += getFolderSizeRecursively(file);
            }
        }
        return length;
    }
}