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

booleancopyFile(File in, File out)
Copies a file. 
if (!in.exists()) {
    System.err.println("File '" + in.getName() + "' does not exist.");
    return false;
boolean success = false;
try {
    FileChannel inChannel = new FileInputStream(in).getChannel();
    FileChannel outChannel = new FileOutputStream(out).getChannel();
...
voidcopyFile(File in, File out)
Copy a file from one location to another. 
FileChannel inChannel = new FileInputStream(in).getChannel();
FileChannel outChannel = new FileOutputStream(out).getChannel();
long dataTransferred = 0;
long blockSize = 1024 * 1024; 
try {
    while (dataTransferred < inChannel.size()) {
        long dataLeft = inChannel.size() - dataTransferred;
        long toSend = (dataLeft < blockSize ? dataLeft : blockSize);
...
voidcopyFile(File in, File out)
Copy the content of a file to another. 
copyFile(in, out, true);
voidcopyFile(File in, File out)
Copies one file to another. 
FileChannel sourceChannel = new FileInputStream(in).getChannel();
FileChannel destinationChannel = new FileOutputStream(out).getChannel();
sourceChannel.transferTo(0, sourceChannel.size(), destinationChannel);
sourceChannel.close();
destinationChannel.close();
voidcopyFile(File in, File out)
copy File 
copyFile(in, out, CHANNEL_MAX_COUNT);
voidcopyFile(File in, File out)
copy File 
FileChannel sourceChannel = null;
FileChannel destinationChannel = null;
try {
    sourceChannel = new FileInputStream(in).getChannel();
    destinationChannel = new FileOutputStream(out).getChannel();
    sourceChannel.transferTo(0, sourceChannel.size(), destinationChannel);
} finally {
    try {
...
voidcopyFile(File in, File out)
Kopieert een file, NIO 
try (FileInputStream fin = new FileInputStream(in);
        FileChannel inChannel = fin.getChannel();
        FileOutputStream fout = new FileOutputStream(out);
        FileChannel outChannel = fout.getChannel()) {
    inChannel.transferTo(0, inChannel.size(), outChannel);
} catch (IOException e) {
    throw e;
voidcopyfile(File infile, File outfile)
copyfile 
FileChannel in = channel(infile, false);
FileChannel out = channel(outfile, true);
for (long offset = 0; offset < in.size();) {
    long n = in.transferTo(offset, in.size() - offset, out);
    if (n <= 0) {
        throw new IOException("Failed transfer to channel.");
    offset += n;
...
voidcopyFile(File inFile, File outFile)
Copy a file using java.nio 
copyFile(inFile, outFile, false);
voidcopyFile(File inputFile, File outputFile)
Copies a file to the specified location. 
if (inputFile.isDirectory()) {
    throw new IOException("Cannot copy file: " + inputFile + " as this is a directory");
if (outputFile.isDirectory()) {
    outputFile = new File(outputFile, inputFile.getName());
outputFile.getParentFile().mkdirs();
outputFile.createNewFile();
...