Java Utililty Methods Directory Delete nio

List of utility methods to do Directory Delete nio

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Description

The list of methods to do Directory Delete nio are organized into topic(s).

Method

voiddeleteDirectory(File directory)
delete Directory 
cleanDirectory(directory);
Files.delete(Paths.get(directory.getAbsolutePath()));
voiddeleteDirectory(File directory)
Recursively delete a directory and all its contents 
if (directory.exists()) {
    File[] files = directory.listFiles();
    if (null != files) {
        for (File file : files) {
            if (file.isDirectory()) {
                deleteDirectory(file);
            } else {
                Files.deleteIfExists(file.toPath());
...
BooleandeleteDirectory(File file)
Method to delete entire directories recursively. 
file.setWritable(true, false);
file.setExecutable(true, false);
file.setReadable(true, false);
if (file.isDirectory()) {
    for (File f : file.listFiles()) {
        deleteDirectory(f);
System.gc();
Boolean deleted = file.delete();
;
if (!deleted) {
    Path path = file.toPath();
    try {
        Files.deleteIfExists(path);
    } catch (Exception e) {
        if (file.isFile()) {
            System.out.format("Deletion failed.\nManual deletion of %s needed.\n", file.getAbsolutePath());
return deleted;
voiddeleteDirectory(File path)
delete Directory 
try (Stream<Path> walk = Files.walk(path.toPath(), FileVisitOption.FOLLOW_LINKS)) {
    walk.sorted(Comparator.reverseOrder()).map(Path::toFile).forEach(File::delete);
} catch (IOException ignored) {
voiddeleteDirectory(final File directory)
Deletes a directory recursively. 
if (!directory.exists()) {
    return;
if (!isSymbolicLink(directory.toPath())) {
    cleanDirectory(directory);
if (!directory.delete()) {
    final String message = "Unable to delete directory " + directory + ".";
...
voiddeleteDirectory(final Path dir, final int maxDepth)
Delete a directory recursively We could use commons-io library for this, if it were using the new java.nio.file API available since Java 7, not the case so far. 
Files.walkFileTree(dir, Collections.<FileVisitOption>emptySet(), maxDepth, DELETING_FILE_VISITOR);
booleandeleteDirectory(Path dir)
delete Directory 
if (Files.isDirectory(dir)) {
    Path[] children = Files.list(dir).toArray(size -> new Path[size]);
    for (Path p : children) {
        try {
            deleteDirectory(p);
        } catch (DirectoryNotEmptyException e) {
            return false;
System.out.println("removing file or directory : " + dir);
Files.delete(dir);
return true;
voiddeleteDirectory(Path directory)
Deletes a file or directory recursivelly if it exists. 
if (Files.exists(directory)) {
    Files.walkFileTree(directory, new SimpleFileVisitor<Path>() {
        @Override
        public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
            if (exc == null) {
                Files.delete(dir);
                return FileVisitResult.CONTINUE;
            } else {
...
voiddeleteDirectory(Path directory)
delete Directory 
requireNonNull(directory);
if (!Files.isDirectory(directory))
    throw new IOException(format("%s is not a directory - cannot delete it", directory.toAbsolutePath()));
Files.walkFileTree(directory, new SimpleFileVisitor<Path>() {
    @Override
    public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
        Files.delete(file);
        return FileVisitResult.CONTINUE;
...
voiddeleteDirectory(Path directory)
delete Directory 
Files.walkFileTree(directory, new SimpleFileVisitor<Path>() {
    @Override
    public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
        Files.delete(file);
        return FileVisitResult.CONTINUE;
    @Override
    public FileVisitResult postVisitDirectory(Path dir, IOException exc) throws IOException {
...