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(String fromPath, String toPath)
Copy given directory, sub-directories and files 
Path from = Paths.get(fromPath);
Path to = Paths.get(toPath);
CopyOption[] options = new CopyOption[] { StandardCopyOption.REPLACE_EXISTING,
        StandardCopyOption.COPY_ATTRIBUTES };
Files.copy(from, to, options);
for (File item : from.toFile().listFiles()) {
    if (item.isDirectory()) {
        copyDirectory(item.toString(), toPath + File.separator + item.getName());
...
voidcopyDirectory(String source, String destination)
copy Directory 
File sourceDir = new File(source);
File destDir = new File(destination);
if (!sourceDir.exists() || !sourceDir.isDirectory()) {
    throw new IOException("Source directory " + source + " does not exist or is not a directory");
if (destDir.exists() && !destDir.isDirectory()) {
    throw new IOException("Destination directory " + destination + " does not exist or is not a directory");
if (!destDir.exists()) {
    if (!destDir.mkdirs()) {
        throw new IOException("Directory " + destination + " cannot be created");
File[] files = sourceDir.listFiles();
for (File file : files) {
    if (file.isFile()) {
        copyFile(file.getPath(), destination + File.separator + file.getName());
    } else if (!file.getAbsolutePath().equals(destDir.getAbsolutePath())) {
        copyDirectory(file.getPath(), destination + File.separator + file.getName());
voidcopyDirectoryRecursively(File source, File target)
copy Directory Recursively 
if (!target.exists()) {
    Files.copy(source.toPath(), target.toPath(), java.nio.file.StandardCopyOption.COPY_ATTRIBUTES);
for (String child : source.list()) {
    copyDirectory(new File(source, child), new File(target, child));
voidcopyDirectoryToDirectory(File srcDir, File destDir)
copy Directory To Directory 
if (!srcDir.exists() || !srcDir.isDirectory()) {
    throw new IOException("Source dir " + srcDir + " is not a directory.");
if (destDir.exists() && !destDir.isDirectory()) {
    throw new IOException("Source dir " + destDir + " is not a directory.");
if (!destDir.exists() && !destDir.mkdirs()) {
    throw new IOException("Can't create " + destDir);
...
voidcopyDirNIO(File sourceLocation, File targetLocation)
Copy directory. 
if (sourceLocation.isDirectory()) {
    if (!targetLocation.exists()) {
        targetLocation.mkdir();
    String[] children = sourceLocation.list();
    for (int i = 0; i < children.length; i++) {
        copyDirNIO(new File(sourceLocation, children[i]), new File(targetLocation, children[i]));
} else {
    copyUsingNIO(sourceLocation, targetLocation);