Java Utililty Methods Directory to File List

List of utility methods to do Directory to File List

  1. HOME
  2. Java
  3. D
  4. Directory to File List

Description

The list of methods to do Directory to File List are organized into topic(s).

Method

ListgetAllFiles(String dir)
get All Files 
return getAllFiles(new File(dir));
ListgetAllFiles(String dir, String extension)
find files 
final List<File> ret = new ArrayList<File>();
final File file = new File(dir);
if (file.exists()) {
    final String[] list = file.list();
    for (int i = 0; i < list.length; i++) {
        final String fileName = dir + "/" + list[i];
        final File f2 = new File(fileName);
        if (false == f2.isHidden()) {
...
String[]getAllFiles(String dir, String filePattern)
get All Files 
File fd = new File(dir);
if (!fd.exists() || !fd.isDirectory()) {
    return new String[0];
String rPattern = createRegexFromGlob(filePattern);
return fd.list(new FilenameFilter() {
    @Override
    public boolean accept(File d, String fileName) {
...
String[]getAllFiles(String directory)
Get all file (non-recursively) from a directory. 
File dir = new File(directory);
String[] fns = dir.list();
return fns;
ListgetAllFiles(String directory)
Recursively traverses the directory looking for all files. 
List<String> resultList = new ArrayList<>();
getAllFiles(new File(directory), resultList);
return resultList;
ListgetAllFiles(String dirPath)
Get list of files path under the directory recursively 
List<String> files = new ArrayList<>();
File folder = new File(dirPath);
File[] listOfFiles = folder.listFiles();
for (int i = 0; i < listOfFiles.length; i++) {
    File file = listOfFiles[i];
    String filePath = file.getPath();
    if (file.isFile()) {
        if (!file.isHidden() && !file.getName().startsWith("_"))
...
ListgetAllFiles(String folderPath)
get All Files 
List<File> list = new ArrayList<File>();
File file = getFile(folderPath);
if (file.exists() && file.isDirectory()) {
    File filesTemp[] = file.listFiles();
    for (int i = 0; i < filesTemp.length; i++) {
        list.add(filesTemp[i]);
return list;
ListgetAllFiles(String path)
get all files in a folder 
List<File> fileList = new ArrayList<File>();
File file = new File(path);
if (!file.exists()) {
    return fileList;
if (!file.isDirectory()) {
    return fileList;
String[] tempList = file.list();
File tempFile;
for (String fileName : tempList) {
    if (path.endsWith(File.separator)) {
        tempFile = new File(path + fileName);
    } else {
        tempFile = new File(path + File.separator + fileName);
    if (tempFile.isFile()) {
        fileList.add(tempFile);
    if (tempFile.isDirectory()) {
        List<File> allFiles = getAllFiles(tempFile.getAbsolutePath());
        fileList.addAll(allFiles);
return fileList;
ListgetAllFiles(String path, boolean isDepth)
get all files in a folder (Only file) 
List<File> fileList = new ArrayList<>();
File file = new File(path);
File[] tempList = file.listFiles();
if (tempList == null || !file.exists() || !file.isDirectory()) {
    return fileList;
for (File tempFile : tempList) {
    if (isDepth) {
...
String[]getAllFiles(String sDirectoryPath)
Returns the set of all files in the given directory 

if (sDirectoryPath == null) {
    return new String[0];
File fileThisDirectory = new File(sDirectoryPath);
if (fileThisDirectory.isDirectory() == false) {
    return new String[0];
} else {
    String[] asFileList = fileThisDirectory.list();
...