Java Utililty Methods URL Connection

InputStream inputStream = null;
try {
    URL url = new URL(remoteURL);
    URLConnection conn = url.openConnection();
    inputStream = conn.getInputStream();
} catch (Exception e) {
    e.printStackTrace();
return inputStream;

URL url = new URL("jar:" + jarUrl + "!/");
JarURLConnection jarConnection = (JarURLConnection) url.openConnection();
JarFile jar = jarConnection.getJarFile();
return jar;

URLClassLoader loader = (URLClassLoader) Thread.currentThread().getContextClassLoader();
Set<URL> result = new HashSet<URL>();
try {
    Enumeration<URL> urls = loader.getResources(packageName);
    while (urls.hasMoreElements()) {
        URL url = urls.nextElement();
        JarURLConnection connection = (JarURLConnection) url.openConnection();
        result.add(connection.getJarFileURL());
...

URLConnection conn = null;
try {
    conn = nvl(url, "Passed URL was null").openConnection();
    return conn.getLastModified();
} catch (Exception e) {
    throw new RuntimeException("Failed to get LastModified for [" + url + "]", e);

long modified;
if (connection instanceof JarURLConnection) {
    URL jarFileUrl = ((JarURLConnection) connection).getJarFileURL();
    URLConnection jarFileConnection = jarFileUrl.openConnection();
    try {
        modified = jarFileConnection.getLastModified();
    } finally {
        try {
...

URL url = new URL(htmlUrl);
URLConnection con = url.openConnection();
return con.getContentLength();

if (url == null)
    throw new IllegalArgumentException("The passed URL was null");
if (linesToRead < 1)
    throw new IllegalArgumentException("Invalid number of lines [" + linesToRead + "]. Must be >= 1");
InputStream is = null;
BufferedReader br = null;
InputStreamReader isr = null;
URLConnection connection = null;
...

OutputStream outputStream;
final URLConnection connection = outputURL.openConnection();
connection.setDoOutput(true);
try {
    outputStream = connection.getOutputStream();
} catch (final UnknownServiceException e) {
    outputStream = new FileOutputStream(outputURL.getPath());
return outputStream;

if (isFile(url)) {
    File file = new File(url.getPath());
    if (!file.exists()) {
        File parent = file.getParentFile();
        if (parent != null && !parent.exists())
            parent.mkdirs();
    return new FileOutputStream(file);
...

String result = "";
try {
    URL url1 = new URL(url);
    URLConnection urlConn = url1.openConnection();
    BufferedReader in = new BufferedReader(new InputStreamReader(urlConn.getInputStream()));
    String text;
    while ((text = in.readLine()) != null) {
        result = result + text;
...