Java Utililty Methods Directory Copy nio

List of utility methods to do Directory Copy nio

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Description

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

Method

voidcopyDirectory(File source, File dest, CopyOption... options)
https://stackoverflow.com/questions/11651900/how-to-recursively-copy-entire-directory-including-parent-folder-in-java 
if (!dest.exists())
    dest.mkdirs();
File[] contents = source.listFiles();
if (contents != null) {
    for (File f : contents) {
        File newFile = new File(dest.getAbsolutePath() + File.separator + f.getName());
        if (f.isDirectory())
            copyDirectory(f, newFile, options);
...
voidcopyDirectory(File source, File destination)
copy Directory 
if (!source.exists()) {
    throw new IllegalArgumentException("Source directory (" + source.getPath() + ") doesn't exist.");
if (!source.isDirectory()) {
    throw new IllegalArgumentException("Source (" + source.getPath() + ") must be a directory.");
destination.mkdirs();
File[] files = source.listFiles();
...
voidcopyDirectory(File source, File destination)
copy Directory 
if (!source.isDirectory()) {
    throw new IllegalArgumentException("Source (" + source.getPath() + ") must be a directory.");
if (!source.exists()) {
    throw new IllegalArgumentException("Source directory (" + source.getPath() + ") doesn't exist.");
if (destination.exists()) {
    throw new IllegalArgumentException("Destination (" + destination.getPath() + ") exists.");
...
voidcopyDirectory(File source, File destination)
Recursively copies a directory from source to destination including all the files within the folders 
if (!source.isDirectory()) {
    throw new IllegalArgumentException("Source (" + source.getPath() + ") must be a directory.");
if (!source.exists()) {
    throw new IllegalArgumentException("Source directory (" + source.getPath() + ") doesn't exist.");
destination.mkdirs();
File[] files = source.listFiles();
...
voidcopyDirectory(File source, File destination, boolean recursive)
Copies a source directory to a destination directory. 
if (!source.exists())
    throw new FileNotFoundException("Source not found: " + source);
if (!source.canRead())
    throw new IOException("Source is unreadable: " + source);
if (!source.isDirectory())
    throw new IOException("Source is not a directory: " + source);
if (destination.exists() && !destination.canWrite())
    throw new IOException("Destination is unwritable: " + destination);
...
voidcopyDirectory(File source, File target, boolean acceptFileInUseError)
copy Directory 
if (source.getName().equalsIgnoreCase(".svn")) {
    return;
if (!target.exists()) {
    boolean success = target.mkdirs();
    if (!success) {
        throw new RuntimeException(
                "BBUtils.copyDirectory: could not create directory " + target.getAbsolutePath());
...
voidcopyDirectory(File sourceDir, File destinationDir)
Copies the contents of one directory into the other. 
if (sourceDir == null || !sourceDir.exists() || destinationDir == null) {
    return;
destinationDir.mkdirs();
File[] files = sourceDir.listFiles();
if (files == null) {
    files = new File[0];
for (File sourceFile : files) {
    if (sourceFile.isDirectory()) {
        File newDestSubDir = new File(destinationDir, sourceFile.getName());
        newDestSubDir.mkdirs();
        newDestSubDir.setLastModified(sourceFile.lastModified());
        copyDirectory(sourceFile, newDestSubDir);
    } else {
        File destFile = new File(destinationDir, sourceFile.getName());
        copyFile(sourceFile, destFile);
        destFile.setLastModified(sourceFile.lastModified());
voidcopyDirectory(File sourceDir, File targetDir)
copy Directory 
if (sourceDir.isDirectory()) {
    copyDirectoryRecursively(sourceDir.getAbsoluteFile(), targetDir.getAbsoluteFile());
} else {
    Files.copy(sourceDir.getAbsoluteFile().toPath(), targetDir.getAbsoluteFile().toPath(),
            java.nio.file.StandardCopyOption.COPY_ATTRIBUTES);
voidcopyDirectory(File sourceDirectory, File targetDirectory)
Copies directories, preserving file attributes. 
final Path sourcePath = Paths.get(sourceDirectory.toURI()).toRealPath();
final Path targetPath = Paths.get(targetDirectory.toURI());
Files.walkFileTree(sourcePath, new SimpleFileVisitor<Path>() {
    @Override
    public FileVisitResult preVisitDirectory(Path dir, BasicFileAttributes attrs) throws IOException {
        Path relative = sourcePath.relativize(dir);
        Path target = targetPath.resolve(relative);
        File folder = target.toFile();
...
voidcopyDirectory(File sourceFile, File destFile)
copy Directory 
if (sourceFile.isDirectory()) {
    if (!destFile.exists()) {
        destFile.mkdir();
    String files[] = sourceFile.list();
    for (int i = 0; i < files.length; i++) {
        copyDirectory(new File(sourceFile, files[i]), new File(destFile, files[i]));
} else {
    if (!sourceFile.exists()) {
    } else {
        copyFile(sourceFile, destFile);