Java Utililty Methods HttpURLConnection Open

List of utility methods to do HttpURLConnection Open

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Description

The list of methods to do HttpURLConnection Open are organized into topic(s).

Method

HttpURLConnectionopenConnection(final String urlString)
open Connection 
final URL url = new URL(urlString);
final HttpURLConnection connection = (HttpURLConnection) url.openConnection();
return connection;
HttpURLConnectionopenConnection(final URL url, final String requestMethod)
open Connection 
final HttpURLConnection connection = (HttpURLConnection) url.openConnection();
connection.setDoInput(true);
connection.setDoOutput(true);
connection.setRequestMethod(requestMethod);
return connection;
HttpURLConnectionopenConnection(String url, String method, String contentType, String ssic)
open Connection 
URL realURL = new URL(url);
HttpURLConnection conn = (HttpURLConnection) realURL.openConnection();
conn.setRequestProperty("User-Agent", "IIC2.0/PC 4.0.0000");
conn.setRequestProperty("Cookie", "ssic=" + ssic);
conn.setRequestProperty("Host", realURL.getHost());
conn.setRequestProperty("Accept", "*/*");
conn.setRequestProperty("Cache-Control", "no-cache");
if (contentType != null)
...
HttpURLConnectionopenConnection(URL url, Proxy proxy)
open Connection 
HttpURLConnection result = (HttpURLConnection) url.openConnection(proxy);
result.setConnectTimeout(15000);
result.setReadTimeout(15000);
result.setUseCaches(false);
return result;
InputStreamopenConnectionCheckRedirects(URLConnection c)
open Connection Check Redirects 
boolean redir;
int redirects = 0;
InputStream in = null;
do {
    if (c instanceof HttpURLConnection) {
        ((HttpURLConnection) c).setInstanceFollowRedirects(false);
    in = c.getInputStream();
...
HttpURLConnectiongetConnection(String url)
get Connection 
try {
    return (HttpURLConnection) new URL(url.startsWith("http://") ? url : "http://" + url).openConnection();
} catch (Exception e) {
return null;
HttpURLConnectiongetConnection(String urlStr, boolean useProxy)
get Connection 
Authenticator authenticator = new Authenticator() {
    public PasswordAuthentication getPasswordAuthentication() {
        return (new PasswordAuthentication("fis\\haint51", "qwer4321!".toCharArray()));
};
Authenticator.setDefault(authenticator);
Proxy proxy = new Proxy(Proxy.Type.HTTP, new InetSocketAddress("proxy.fis.vn", 8080));
if (!useProxy) {
...
HttpURLConnectiongetConnection(URL url)
get Connection 
HttpURLConnection conn = (HttpURLConnection) url.openConnection();
conn.setRequestMethod("GET");
conn.setDoInput(true);
conn.setDoOutput(true);
conn.setRequestProperty("Accept", "application/zip;text/html");
return conn;
StringgetConnectionCharset(HttpURLConnection connection)
Parse the connection content type and return the content charset 
String contentType = connection.getContentType();
int charsetIndex = contentType.indexOf(CHARSET_KEY);
if (charsetIndex != -1) {
    int charsetEndIndex = contentType.indexOf(";", charsetIndex);
    if (charsetEndIndex == -1) {
        return contentType.substring(charsetIndex + CHARSET_KEY.length());
    } else {
        return contentType.substring(charsetIndex + CHARSET_KEY.length(), charsetEndIndex);
...
BufferedReadergetConnectionStream(HttpURLConnection con)
This method is used to get a connection stream from an HTTP connection. 
InputStream is = con.getInputStream();
InputStreamReader isr = new InputStreamReader(is);
BufferedReader br = new BufferedReader(isr);
return br;