Java Utililty Methods FileChannel Copy

List of utility methods to do FileChannel Copy

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Description

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

Method

voidcopyFileUsingChannel(File source, File dest)
copy File Using Channel 
FileInputStream sourceStream = new FileInputStream(source);
FileChannel sourceChannel = sourceStream.getChannel();
FileOutputStream outputStream = new FileOutputStream(dest);
outputStream.getChannel().transferFrom(sourceChannel, 0, sourceChannel.size());
voidcopyFileUsingFileChannels(File source, File dest)
copy File Using File Channels 
FileChannel inputChannel = null;
FileChannel outputChannel = null;
try {
    inputChannel = new FileInputStream(source).getChannel();
    outputChannel = new FileOutputStream(dest).getChannel();
    outputChannel.transferFrom(inputChannel, 0, inputChannel.size());
} finally {
    inputChannel.close();
...
voidcopyFileUsingFileChannels(File source, File dest)
Copy a file 
FileInputStream inputStream = null;
FileOutputStream outputStream = null;
FileChannel inputChannel = null;
FileChannel outputChannel = null;
try {
    inputStream = new FileInputStream(source);
    outputStream = new FileOutputStream(dest);
    if (inputStream != null)
...
voidcopyFileUsingFileChannels(File source, File dest)
copy File Using File Channels 
FileChannel inputChannel = null;
FileChannel outputChannel = null;
try {
    inputChannel = new FileInputStream(source).getChannel();
    outputChannel = new FileOutputStream(dest).getChannel();
    outputChannel.transferFrom(inputChannel, 0, inputChannel.size());
} catch (Exception e) {
    e.printStackTrace();
...
voidcopyFolder(File fin, File fout)
copy Folder 
fout.mkdirs();
String[] children = fin.list();
if (children == null) {
} else {
    for (int p = 0; p < children.length; p++) {
        File f = new File(fin + "/" + children[p]);
        File f1 = new File(fout + "/" + children[p]);
        if (f.isDirectory())
...
voidcopyFromZip(ZipFile zipFile, String locationInBundle, File destination)
copy From Zip 
Enumeration<? extends ZipEntry> entries = zipFile.entries();
while (entries.hasMoreElements()) {
    ZipEntry zipEntry = entries.nextElement();
    if (zipEntry.getName().startsWith(locationInBundle)) {
        String path = zipEntry.getName().substring(locationInBundle.length());
        File file = new File(destination, path);
        if (!zipEntry.isDirectory()) {
            createFileFromZipFile(file, zipFile, zipEntry);
...
voidcopyInternal(FileInputStream in, FileOutputStream out)
copy Internal 
FileChannel src = in.getChannel();
FileChannel dest = out.getChannel();
src.transferTo(0, src.size(), dest);
longcopyLarge(FileInputStream in, FileOutputStream out)
Copies bytes from a large (over 2GB) FileInputStream to a FileOutputStream. 
final FileChannel inc = in.getChannel();
return inc.transferTo(0L, inc.size(), out.getChannel());
voidcopyNio(final File source_file, final File destination_file)
copy Nio 
if (!source_file.exists()) {
    return;
final File parTo = destination_file.getParentFile();
if (!parTo.exists()) {
    parTo.mkdirs();
if (!destination_file.exists()) {
...
voidcopyRec(File src, File dst)
Copies a directory or a file from source to destination. 
if (src == null || dst == null)
    return;
if (dst.isFile())
    return;
if (src.isFile()) {
    copyFileToDir(src, dst);
} else {
    String name = src.getName();
...