Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;
/**
 * Copyright 2016 Alex Yanchenko
 *
 * 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;

import java.util.ArrayList;

public class Main {
    public static ArrayList<File> getFileList(File dir, String... fileExtensions) {
        final ArrayList<File> files = new ArrayList<File>();
        final File[] fileList = dir.listFiles();
        if (fileList != null) {
            for (File file : fileList) {
                if (file.isFile()) {
                    if (fileExtensions.length == 0) {
                        files.add(file);
                    } else {
                        String fileName = file.getName().toLowerCase();
                        for (String ext : fileExtensions) {
                            if (fileName.endsWith(ext)) {
                                files.add(file);
                                break;
                            }
                        }
                    }
                } else {
                    files.addAll(getFileList(file, fileExtensions));
                }
            }
        }
        return files;
    }
}