Java Utililty Methods HTTP Read

InputStream is = null;
URL url = new URL(myUrl);
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setReadTimeout(READ_TIMEOUT_MILLIS );
conn.setConnectTimeout(CONNECTION_TIMEOUT_MILLIS );
conn.setRequestMethod("GET");
conn.setDoInput(true);
conn.connect();
...

HttpURLConnection con = (HttpURLConnection) new URL(url).openConnection();
con.setRequestMethod("GET");
con.setConnectTimeout(3000);
return con.getInputStream();

InputStream stream = null;
try {
    URL url = new URL(urlname);
    java.net.HttpURLConnection connection = (HttpURLConnection) url.openConnection();
    if (connection.getResponseCode() != 200 && connection.getResponseCode() != 404
            && connection.getResponseCode() != 202) {
        throw new IOException(connection.getResponseMessage());
    stream = connection.getInputStream();
} catch (MalformedURLException mue) {
    System.err.println("Error: Could create URL object!");
    throw new Exception();
} catch (IOException e) {
    System.err.println("Error: Could not open URL connection!");
    System.err.println(urlname);
    throw new Exception();
return stream;

URL url = new URL(urlString);
if (!url.getProtocol().toLowerCase().startsWith("http"))
    throw new UnsupportedOperationException(
            "URL \"" + urlString + "\" has an unsupported protocol, \"" + url.getProtocol() + "\".");
else {
    HttpURLConnection urlConn = (HttpURLConnection) new URL(urlString).openConnection();
    urlConn.setConnectTimeout(10000); 
    urlConn.setRequestMethod("GET");
...

HttpURLConnection connection = createHttpURLConnection(httpUrl, timeout);
if (connection != null) {
    return getInputStreamReader(connection);
return null;

URL urll = new URL(url);
HttpURLConnection conn = (HttpURLConnection) urll.openConnection();
conn.setRequestProperty("Content-Type", "application/json");
conn.setDoOutput(true);
OutputStreamWriter out = new OutputStreamWriter(conn.getOutputStream());
out.write(jsonRequest);
out.close();
BufferedReader br;
...

String ip = String.valueOf((new Random()).nextInt(254) + 1);
if ((new Random()).nextInt(1) == 1) {
    ip = "220.181.111." + ip;
} else {
    ip = "59.152.193." + ip;
Map<String, String> header = new HashMap<String, String>();
Proxy proxy = null;
...

URLConnection connection = new URL(url).openConnection();
if (connection instanceof HttpURLConnection) {
    ((HttpURLConnection) connection).setRequestMethod("GET");
connection.connect();
return new InputStreamReader(connection.getInputStream());

URL url = null;
HttpURLConnection connection = null;
try {
    url = new URL(urlStr);
    connection = (HttpURLConnection) url.openConnection();
    connection.setDoOutput(true);
    connection.setDoInput(true);
    connection.setRequestMethod("POST");
...

BufferedInputStream in = null;
try {
    conn.connect();
    int code = conn.getResponseCode();
    in = new BufferedInputStream(conn.getInputStream());
    int len;
    byte[] buffer = new byte[1024];
    ByteArrayOutputStream out = new ByteArrayOutputStream();
...