Java Utililty Methods URL Download

System.out.println("Retrieving: " + fileURL);
String cacheDir = System.getProperty("cacheDirectory");
if (cacheDir == null) {
    cacheDir = System.getProperty("java.io.tmpdir") + File.separator + "pdt-test-cache";
new File(cacheDir).mkdirs();
URL url = new URL(fileURL);
String fileName = url.getFile().substring(url.getPath().lastIndexOf('/') + 1);
...

try {
    ArrayList<Byte> array = new ArrayList<Byte>(); 
    byte aByte; 
    Byte abyte; 
    URL yahoo = new URL(url);
    URLConnection fileLocation = yahoo.openConnection();
    BufferedInputStream bis = new BufferedInputStream(fileLocation.getInputStream());
    byte[] buff = new byte[2048];
...

try {
    URLConnection con = createConnection(new URL(url));
    try (FileOutputStream fos = new FileOutputStream(output); InputStream in = con.getInputStream()) {
        byte[] buffer = new byte[1024];
        for (int i; (i = in.read(buffer)) != -1;) {
            fos.write(buffer, 0, i);
} catch (Exception ex) {
    System.out.println("Error while downloading file: " + ex.getMessage());

try {
    URLConnection urlCon = new URL(url).openConnection();
    InputStream is = urlCon.getInputStream();
    FileOutputStream fos = new FileOutputStream(fileName);
    byte[] buffer = new byte[1000];
    int bytesRead = is.read(buffer);
    while (bytesRead > 0) {
        fos.write(buffer, 0, bytesRead);
...

byte[] buf = new byte[1024];
FileOutputStream fos = new FileOutputStream(fileName);
BufferedOutputStream bos = new BufferedOutputStream(fos);
InputStream in = new URL(url).openStream();
try {
    int numRead = in.read(buf);
    while (numRead != -1) {
        bos.write(buf, 0, numRead);
...

URL u = new URL(url);
try (final InputStream is = new BufferedInputStream(u.openStream())) {
    try (final OutputStream os = new FileOutputStream(fileName)) {
        byte[] b = new byte[1024];
        int len;
        while ((len = is.read(b, 0, b.length)) != -1) {
            os.write(b, 0, len);
} catch (MalformedURLException e) {
    throw new MalformedURLException("Invalid URL " + url);
} catch (IOException e) {
    throw new IOException("Error trying to access the file " + fileName, e);
return true;

File file = null;
if (url != null && filePath != null) {
    if (parent != null) {
        file = new File(parent.getAbsolutePath() + filePath);
    } else {
        file = new File(filePath);
    if (!file.exists()) {
...

BufferedInputStream in = null;
FileOutputStream fout = null;
try {
    in = new BufferedInputStream(new URL(url).openStream());
    fout = new FileOutputStream(path);
    final byte data[] = new byte[1024];
    int count;
    while ((count = in.read(data, 0, 1024)) != -1) {
...

URL url = new URL(urlPath);
URLConnection conn = url.openConnection();
try (BufferedReader br = new BufferedReader(new InputStreamReader(conn.getInputStream()));
        BufferedWriter bw = new BufferedWriter(new FileWriter(file));) {
    String inputLine;
    while ((inputLine = br.readLine()) != null) {
        bw.write(inputLine);

System.out.println("Downloading contents from url: " + urlString);
URL url = new URL(urlString);
File file = File.createTempFile("promise_pattern", null);
try (Reader reader = new InputStreamReader(url.openStream());
        BufferedReader bufferedReader = new BufferedReader(reader);
        FileWriter writer = new FileWriter(file)) {
    for (String line; (line = bufferedReader.readLine()) != null;) {
        writer.write(line);
...