Java Utililty Methods Path Copy nio

List of utility methods to do Path Copy nio

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Description

The list of methods to do Path Copy nio are organized into topic(s).

Method

voidcopyFilesRecursively(final Path from, final Path to)
Copies files from from directory to to directory. 
Preconditions.checkArgument(Files.isDirectory(from), "%s (from) is not a directory");
Preconditions.checkArgument(Files.isDirectory(to), "%s (to) is not a directory");
Files.walkFileTree(from, new SimpleFileVisitor<Path>() {
    @Override
    public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
        Path destFile = to.resolve(from.relativize(file));
        Files.createDirectories(destFile.getParent());
        if (Files.isSymbolicLink(file)) {
...
voidcopyFileToArchive(InputStream srcInputStream, Path destPath)
Copy file to archive. 
Path parent = destPath.getParent();
if (parent != null) {
    if (Files.notExists(parent)) {
        Files.createDirectories(parent);
    Files.copy(srcInputStream, destPath, StandardCopyOption.REPLACE_EXISTING);
PathcopyFileToDataFolder(ClassLoader cl, String resourceName, Path targetFolder, boolean replace)
Copies the given file from the jar to the data folder. 
if (resourceName == null || "".equals(resourceName)) {
    throw new IllegalArgumentException("You need to provide a source file name.");
if (targetFolder == null) {
    throw new IllegalArgumentException("The destination is not defined.");
Path targetFile = targetFolder.resolve(resourceName);
createDirectoriesForFile(targetFile);
...
voidcopyRecursive(Path source, Path target, CopyOption... options)
copy Recursive 
Files.walkFileTree(source, new SimpleFileVisitor<Path>() {
    @Override
    public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
        Files.createDirectories(target.resolve(source.relativize(dir)));
        return FileVisitResult.CONTINUE;
    @Override
    public FileVisitResult visitFile(Path file, BasicFileAttributes attrs) throws IOException {
...
voidcopyRecursively(File fromDirectory, File toDirectory)
copy Recursively 
copyRecursively(fromDirectory, toDirectory, null);
voidcopyRecursively(File src, File dest)
copy Recursively 
copyRecursively(src.toPath(), dest.toPath());
voidcopyRecursively(File src, File dest)
copy Recursively 
copyRecursively(src.toPath(), dest.toPath());
voidcopyRecursively(final Path source, final Path destination, final CopyOption... options)
Recursively copies one path to another. 
doCopyRecursively(source, destination, false, options);
voidcopyRecursively(Path source, Path target, AtomicLong bytesCounter, CopyOption... copyOptions)
copy Recursively 
try {
    if (!Files.exists(source, LinkOption.NOFOLLOW_LINKS)) {
        throw new RuntimeException("Source path does not exist " + source.toAbsolutePath().toString());
    if (!Files.isDirectory(source)) {
        copyRecursivelyHelper(source, target, bytesCounter, copyOptions);
    } else {
        if (Files.exists(target) && !Files.isDirectory(target)) {
...
voidcopyRecursivelyHelper(Path source, Path target, AtomicLong bytesCounter, CopyOption... copyOptions)
Assumes that 1) source exists 2) target parent exists 
try {
    if (!Files.isDirectory(source)) {
        Files.copy(source, target, copyOptions);
        if (bytesCounter != null) {
            BasicFileAttributes attributes = Files.readAttributes(source, BasicFileAttributes.class);
            bytesCounter.addAndGet(attributes.size());
    } else {
...