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

voiddownloadFile(String url, String localFilePath)
download File 
try {
    URL website = new URL(url);
    ReadableByteChannel rbc = Channels.newChannel(website.openStream());
    FileOutputStream fos = new FileOutputStream(localFilePath);
    fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
    fos.close();
} catch (java.net.MalformedURLException e) {
} catch (java.io.FileNotFoundException e) {
...
booleandownloadFile(String url, String location)
download File 
try {
    final URLConnection connection = new URL(url).openConnection();
    connection.addRequestProperty("User-Agent",
            "Mozilla/5.0 (Windows NT 6.3; WOW64; rv:30.0) Gecko/20100101 Firefox/30.0");
    final int contentLength = connection.getContentLength();
    final File destination = new File(location);
    if (destination.exists()) {
        final URLConnection savedFileConnection = destination.toURI().toURL().openConnection();
...
booleandownloadFile(String url, String location)
download File 
try {
    final URLConnection connection = createURLConnection(url);
    final int contentLength = connection.getContentLength();
    final File destination = new File(location);
    if (destination.exists()) {
        final URLConnection savedFileConnection = destination.toURI().toURL().openConnection();
        if (savedFileConnection.getContentLength() == contentLength) {
            return true;
...
FiledownloadFile(String urlPath, String local)
download File 
File tempFile = new File(local);
tempFile.createNewFile();
URL url = new URL(urlPath);
ReadableByteChannel rbc = Channels.newChannel(url.openStream());
FileOutputStream fos = new FileOutputStream(local);
fos.getChannel().transferFrom(rbc, 0, 1 << 24);
fos.close();
return tempFile;
...
voiddownloadFile(URL downloadUrl, File destination)
download File 
System.out.println("Downloading file from URL: " + downloadUrl + " to destination: " + destination);
Files.copy(downloadUrl.openStream(), destination.toPath());
FiledownloadFile(URL url, File output)
Download a file 
output.getParentFile().mkdirs();
downloadingFile = output;
URLConnection connection = url.openConnection();
downloadingFileSize = connection.getContentLengthLong();
ReadableByteChannel rbc = Channels.newChannel(connection.getInputStream());
FileOutputStream fos = new FileOutputStream(output);
fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
fos.close();
...
voiddownloadFile(URL url, File targetFile)
download File 
FileOutputStream fos = new FileOutputStream(targetFile);
url = getUrlFollowingRedirects(url);
ReadableByteChannel rbc = Channels.newChannel(url.openStream());
fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
fos.close();
voiddownloadFileNIO(FileChannel fileChannel, SocketChannel socketChannel)
download File NIO 
long pos = 0;
long fileSize = fileChannel.size();
fileChannel.transferFrom(socketChannel, pos, fileSize);
voiddownloadFileToDirectory(String url, File destination)
download File To Directory 
URL website = new URL(url);
ReadableByteChannel rbc = Channels.newChannel(website.openStream());
@SuppressWarnings("resource")
FileOutputStream fos = new FileOutputStream(destination.getAbsolutePath());
fos.getChannel().transferFrom(rbc, 0, Long.MAX_VALUE);
StringdownloadFirstLineFromInternetQuietly(URL url)
download First Line From Internet Quietly 
BufferedReader reader = null;
try {
    reader = new BufferedReader(new InputStreamReader(url.openStream(), Charset.forName("UTF-8")));
    return reader.readLine();
} catch (IOException ioe) {
    return "";
} finally {
    closeQuietly(reader);
...