Examples with URLConnection java.net.URLConnection used on opensource projects

Example 21 with URLConnection

use of java.net.URLConnection in project hudson-2.x by hudson.

the class ProxyConfiguration method open.

/**
     * This method should be used wherever {@link URL#openConnection()} to internet URLs is invoked directly.
     */
public static URLConnection open(URL url) throws IOException {
    // this code might run on slaves
    Hudson hudson = Hudson.getInstance();
    ProxyConfiguration proxyConfig = hudson != null ? hudson.proxy : null;
    if (proxyConfig == null) {
        return url.openConnection();
    }
    if (proxyConfig.noProxyFor != null) {
        StringTokenizer tokenizer = new StringTokenizer(proxyConfig.noProxyFor, ",");
        while (tokenizer.hasMoreTokens()) {
            String noProxyHost = tokenizer.nextToken().trim();
            if (noProxyHost.contains("*")) {
                if (url.getHost().trim().contains(noProxyHost.replaceAll("\\*", ""))) {
                    return url.openConnection(Proxy.NO_PROXY);
                }
            } else if (url.getHost().trim().equals(noProxyHost)) {
                return url.openConnection(Proxy.NO_PROXY);
            }
        }
    }
    URLConnection urlConnection = url.openConnection(proxyConfig.createProxy());
    if (proxyConfig.isAuthNeeded()) {
        String credentials = proxyConfig.getUserName() + ":" + proxyConfig.getPassword();
        String encoded = new String(Base64.encodeBase64(credentials.getBytes()));
        urlConnection.setRequestProperty("Proxy-Authorization", "Basic " + encoded);
    }
    boolean connected = false;
    int count = 0;
    while (!connected) {
        try {
            urlConnection.connect();
            connected = true;
        } catch (SocketTimeoutException exc) {
            LOGGER.fine("Connection timed out. trying again " + count);
            if (++count > TIME_OUT_RETRY_COUNT) {
                throw new IOException("Could not connect to " + url.toExternalForm() + ". Connection timed out after " + TIME_OUT_RETRY_COUNT + " tries.");
            }
            connected = false;
        } catch (UnknownHostException exc) {
            throw new IOException2("Could not connect to " + url.toExternalForm() + ". Check your internet connection.", exc);
        } catch (ConnectException exc) {
            throw new IOException2("Could not connect to " + url.toExternalForm() + ". Check your internet connection.", exc);
        }
    }
    return urlConnection;
}

Example 22 with URLConnection

use of java.net.URLConnection in project hudson-2.x by hudson.

the class CLI method getCliTcpPort.

/**
     * If the server advertises CLI port, returns it.
     */
private int getCliTcpPort(String url) throws IOException {
    URLConnection head = new URL(url).openConnection();
    try {
        head.connect();
    } catch (IOException e) {
        throw (IOException) new IOException("Failed to connect to " + url).initCause(e);
    }
    String p = head.getHeaderField("X-Hudson-CLI-Port");
    if (p == null)
        return -1;
    return Integer.parseInt(p);
}

Example 23 with URLConnection

use of java.net.URLConnection in project jmonkeyengine by jMonkeyEngine.

the class NativeLibraryLoader method computeNativesHash.

private static int computeNativesHash() {
    URLConnection conn = null;
    try {
        String classpath = System.getProperty("java.class.path");
        URL url = Thread.currentThread().getContextClassLoader().getResource("com/jme3/system/NativeLibraryLoader.class");
        StringBuilder sb = new StringBuilder(url.toString());
        if (sb.indexOf("jar:") == 0) {
            sb.delete(0, 4);
            sb.delete(sb.indexOf("!"), sb.length());
            sb.delete(sb.lastIndexOf("/") + 1, sb.length());
        }
        try {
            url = new URL(sb.toString());
        } catch (MalformedURLException ex) {
            throw new UnsupportedOperationException(ex);
        }
        conn = url.openConnection();
        int hash = classpath.hashCode() ^ (int) conn.getLastModified();
        return hash;
    } catch (IOException ex) {
        throw new UnsupportedOperationException(ex);
    } finally {
        if (conn != null) {
            try {
                conn.getInputStream().close();
                conn.getOutputStream().close();
            } catch (IOException ex) {
            }
        }
    }
}

Example 24 with URLConnection

use of java.net.URLConnection in project Talon-for-Twitter by klinker24.

the class IOUtils method saveGiffy.

public static final Uri saveGiffy(String videoUrl) throws Exception {
    File myDir = new File(Environment.getExternalStorageDirectory() + "/Talon");
    myDir.mkdirs();
    final File file = new File(Environment.getExternalStorageDirectory(), "Talon/giffy.gif");
    if (!file.createNewFile()) {
    // file already exists
    }
    URL url = new URL(videoUrl);
    URLConnection connection = url.openConnection();
    connection.setReadTimeout(5000);
    connection.setConnectTimeout(30000);
    InputStream is = connection.getInputStream();
    BufferedInputStream inStream = new BufferedInputStream(is, 1024 * 5);
    FileOutputStream outStream = new FileOutputStream(file);
    byte[] buffer = new byte[1024 * 5];
    int len;
    while ((len = inStream.read(buffer)) != -1) {
        outStream.write(buffer, 0, len);
    }
    outStream.flush();
    outStream.close();
    inStream.close();
    return Uri.fromFile(file);
}

Example 25 with URLConnection

use of java.net.URLConnection in project hadoop by apache.

the class TestGlobalFilter method access.

/** access a url, ignoring some IOException such as the page does not exist */
static void access(String urlstring) throws IOException {
    LOG.warn("access " + urlstring);
    URL url = new URL(urlstring);
    URLConnection connection = url.openConnection();
    connection.connect();
    try {
        BufferedReader in = new BufferedReader(new InputStreamReader(connection.getInputStream()));
        try {
            for (; in.readLine() != null; ) ;
        } finally {
            in.close();
        }
    } catch (IOException ioe) {
        LOG.warn("urlstring=" + urlstring, ioe);
    }
}