Java Utililty Methods URL Download nio

List of utility methods to do URL Download nio

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Description

The list of methods to do URL Download nio are organized into topic(s).

Method

voiddownload(URL url, File out)
Copies the content of a URL to a local file. 
ReadableByteChannel rbc = Channels.newChannel(url.openStream());
FileOutputStream fos = new FileOutputStream(out);
fos.getChannel().transferFrom(rbc, 0, 1 << 24);
fos.close();
rbc.close();
Pathdownload(URL url, Path location)
download 
try (final ReadableByteChannel channel = Channels.newChannel(url.openStream());
        final FileOutputStream outputStream = new FileOutputStream(location.toString())) {
    outputStream.getChannel().transferFrom(channel, 0, Long.MAX_VALUE);
    return location;
voiddownload(URL url, String save)
Downloads a file and saves it to a location on the computer 
ReadableByteChannel channel = Channels.newChannel(url.openStream());
new FileOutputStream(save).getChannel().transferFrom(channel, 0, Long.MAX_VALUE);
voiddownloadAsync(String url, File file)
download Async 
InputStream inputStream = new URL(url).openStream();
ReadableByteChannel rbc = Channels.newChannel(inputStream);
FileOutputStream fos = new FileOutputStream(file);
fos.getChannel().transferFrom(rbc, 0, 1 << 24);
voiddownloadFile(final String url, final String downloadPath)
Download file. 
URL website = new URL(url);
try (ReadableByteChannel rbc = Channels.newChannel(website.openStream())) {
    try (FileOutputStream fos = new FileOutputStream(downloadPath)) {
        fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
FiledownloadFile(String fileName, String url)
Downloads file located at given url and saves it with given filename in the current directory. 
final URL resourcesURL = new URL(url);
final ReadableByteChannel rbc = Channels.newChannel(resourcesURL.openStream());
FileOutputStream fos = new FileOutputStream(fileName);
fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
fos.close();
return new File(fileName);
StringdownloadFile(String fileURL, String folderPath)
Downloads the file with passed URL to the passed folder http://stackoverflow.com/a/921400/318221 
int lastSlashPos = fileURL.lastIndexOf('/');
if (lastSlashPos < 0) {
    return null;
String fullFileName = folderPath + fileURL.substring(lastSlashPos + 1);
File file = new File(fullFileName);
file.getParentFile().mkdirs();
URL url;
...
PathdownloadFile(String inputUrl, String destination)
download File 
String filename = Paths.get(inputUrl).getFileName().toString();
URL url;
try {
    url = new URL(inputUrl);
} catch (MalformedURLException e) {
    return null;
Path path;
...
voiddownloadFile(String sourceUrl, File destinationFile)
Download given URL into the destination file 
URL website = new URL(sourceUrl);
ReadableByteChannel rbc = Channels.newChannel(website.openStream());
FileOutputStream fos = new FileOutputStream(destinationFile);
fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
voiddownloadFile(String url, File output)
Downloads a file from the specified URIL and saves it at the specified location. 
final URL website = new URL(url);
final ReadableByteChannel rbc = Channels.newChannel(website.openStream());
final FileOutputStream fos = new FileOutputStream(output);
fos.getChannel().transferFrom(rbc, 0, 1 << 24);
fos.close();