Example usage for java.net URLConnection setConnectTimeout

List of usage examples for java.net URLConnection setConnectTimeout

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Introduction

In this page you can find the example usage for java.net URLConnection setConnectTimeout.

Prototype

public void setConnectTimeout(int timeout)

Source Link

Document

Sets a specified timeout value, in milliseconds, to be used when opening a communications link to the resource referenced by this URLConnection.

Usage

From source file:org.apache.niolex.commons.net.DownloadUtil.java

/**
 * Download the file pointed by the url and return the content as byte array.
 *
 * @param strUrl//from  w  ww  .j  a v a  2  s  .co m
 *            The Url to be downloaded.
 * @param connectTimeout
 *            Connect timeout in milliseconds.
 * @param readTimeout
 *            Read timeout in milliseconds.
 * @param maxFileSize
 *            Max file size in BYTE.
 * @param useCache Whether we use thread local cache or not.
 * @return The file content as byte array.
 * @throws NetException
 */
public static byte[] downloadFile(String strUrl, int connectTimeout, int readTimeout, int maxFileSize,
        Boolean useCache) throws NetException {
    LOG.debug("Start to download file [{}], C{}R{}M{}.", strUrl, connectTimeout, readTimeout, maxFileSize);
    InputStream in = null;
    try {
        URL url = new URL(strUrl); // We use Java URL to download file.
        URLConnection ucon = url.openConnection();
        ucon.setConnectTimeout(connectTimeout);
        ucon.setReadTimeout(readTimeout);
        ucon.setDoOutput(false);
        ucon.setDoInput(true);
        ucon.connect();
        final int contentLength = ucon.getContentLength();
        validateContentLength(strUrl, contentLength, maxFileSize);
        if (ucon instanceof HttpURLConnection) {
            validateHttpCode(strUrl, (HttpURLConnection) ucon);
        }
        in = ucon.getInputStream(); // Get the input stream.
        byte[] ret = null;
        // Create the byte array buffer according to the strategy.
        if (contentLength > 0) {
            ret = commonDownload(contentLength, in);
        } else {
            ret = unusualDownload(strUrl, in, maxFileSize, useCache);
        }
        LOG.debug("Succeeded to download file [{}] size {}.", strUrl, ret.length);
        return ret;
    } catch (NetException e) {
        LOG.info(e.getMessage());
        throw e;
    } catch (Exception e) {
        String msg = "Failed to download file " + strUrl + " msg=" + e.toString();
        LOG.warn(msg);
        throw new NetException(NetException.ExCode.IOEXCEPTION, msg, e);
    } finally {
        // Close the input stream.
        StreamUtil.closeStream(in);
    }
}

From source file:de.schildbach.wallet.litecoin.ExchangeRatesProvider.java

private static Map<String, ExchangeRate> getLycancoinCharts() {
    final Map<String, ExchangeRate> rates = new TreeMap<String, ExchangeRate>();
    try {// ww  w  .  j  ava2s.co  m
        String currencies[] = { "USD", "EUR" };
        String urls[] = { "https://btc-e.com/api/2/btc_usd/ticker", "https://btc-e.com/api/2/btc_eur/ticker" };
        for (int i = 0; i < currencies.length; ++i) {
            final String currencyCode = currencies[i];
            final URL URL = new URL(urls[i]);
            final URLConnection connection = URL.openConnection();
            connection.setConnectTimeout(TIMEOUT_MS);
            connection.setReadTimeout(TIMEOUT_MS);
            connection.connect();
            final StringBuilder content = new StringBuilder();

            Reader reader = null;
            try {
                reader = new InputStreamReader(new BufferedInputStream(connection.getInputStream(), 1024));
                IOUtils.copy(reader, content);
                final JSONObject head = new JSONObject(content.toString());
                JSONObject ticker = head.getJSONObject("ticker");
                Double avg = ticker.getDouble("avg") * LycBtcRate;
                String euros = String.format("%.8f", avg);
                // Fix things like 3,1250
                euros = euros.replace(",", ".");
                rates.put(currencyCode, new ExchangeRate(currencyCode, Utils.toNanoCoins(euros),
                        "cryptsy.com and " + URL.getHost()));
            } finally {
                if (reader != null)
                    reader.close();
            }
        }
        return rates;
    } catch (final IOException x) {
        x.printStackTrace();
    } catch (final JSONException x) {
        x.printStackTrace();
    }

    return null;
}

From source file:de.feanor.yeoldemensa.data.MensaFactory.java

/**
 * Returns an input stream for the given path on the server defined by
 * MensaFactory.SERVER_URL. Checks for a valid internet connection before
 * conneting.//from w  w w  .  j  av a  2  s.  co m
 * 
 * @param path
 *            Path on the server/URL
 * @param context
 *            Application context, required for connection check
 * @return Inputstream for the given path
 * @throws IOException
 *             Thrown if problems with the connection occur
 */
private static InputStream getInputStream(String path) throws IOException {
    URLConnection conn = new URL(SERVER_URL + path).openConnection();
    conn.setConnectTimeout(TIMEOUT * 1000);
    conn.setReadTimeout(TIMEOUT * 1000);

    return conn.getInputStream();
}

From source file:com.comcast.cdn.traffic_control.traffic_monitor.util.Fetcher.java

public static String fetchSecureContent(final String url, final int timeout) throws IOException {
    LOGGER.info("fetchSecureContent: " + url);
    final URL u = new URL(url);
    final URLConnection conn = u.openConnection();
    if (timeout != 0) {
        conn.setConnectTimeout(timeout);
        conn.setReadTimeout(timeout);//w w  w .  j a  v a 2  s  .c  om
    }
    if (conn instanceof HttpsURLConnection) {
        final HttpsURLConnection http = (HttpsURLConnection) conn;
        http.setHostnameVerifier(new HostnameVerifier() {
            @Override
            public boolean verify(final String arg0, final SSLSession arg1) {
                return true;
            }
        });
        http.setRequestMethod(GET_STR);
        http.setAllowUserInteraction(true);
    }
    return IOUtils.toString(conn.getInputStream());
}

From source file:de.schildbach.wallet.elysium.ExchangeRatesProvider.java

private static Map<String, ExchangeRate> getElysiumCharts() {
    final Map<String, ExchangeRate> rates = new TreeMap<String, ExchangeRate>();
    // Keep the BTC rate around for a bit
    Double btcRate = 0.0;// w  w  w  .j ava 2 s  .c om
    try {
        String currencies[] = { "USD", "BTC", "RUR" };
        String urls[] = { "https://btc-e.com/api/2/14/ticker", "https://btc-e.com/api/2/10/ticker",
                "https://btc-e.com/api/2/elsm_rur/ticker" };
        for (int i = 0; i < currencies.length; ++i) {
            final String currencyCode = currencies[i];
            final URL URL = new URL(urls[i]);
            final URLConnection connection = URL.openConnection();
            connection.setConnectTimeout(TIMEOUT_MS);
            connection.setReadTimeout(TIMEOUT_MS);
            connection.connect();
            final StringBuilder content = new StringBuilder();

            Reader reader = null;
            try {
                reader = new InputStreamReader(new BufferedInputStream(connection.getInputStream(), 1024));
                IOUtils.copy(reader, content);
                final JSONObject head = new JSONObject(content.toString());
                JSONObject ticker = head.getJSONObject("ticker");
                Double avg = ticker.getDouble("avg");
                String euros = String.format("%.4f", avg);
                // Fix things like 3,1250
                euros = euros.replace(",", ".");
                rates.put(currencyCode,
                        new ExchangeRate(currencyCode, Utils.toNanoCoins(euros), URL.getHost()));
                if (currencyCode.equalsIgnoreCase("BTC"))
                    btcRate = avg;
            } finally {
                if (reader != null)
                    reader.close();
            }
        }
        // Handle ELSM/EUR special since we have to do maths
        final URL URL = new URL("https://btc-e.com/api/2/btc_eur/ticker");
        final URLConnection connection = URL.openConnection();
        connection.setConnectTimeout(TIMEOUT_MS);
        connection.setReadTimeout(TIMEOUT_MS);
        connection.connect();
        final StringBuilder content = new StringBuilder();

        Reader reader = null;
        try {
            reader = new InputStreamReader(new BufferedInputStream(connection.getInputStream(), 1024));
            IOUtils.copy(reader, content);
            final JSONObject head = new JSONObject(content.toString());
            JSONObject ticker = head.getJSONObject("ticker");
            Double avg = ticker.getDouble("avg");
            // This is elysiums priced in euros.  We want ELSM!
            avg *= btcRate;
            String s_avg = String.format("%.4f", avg).replace(',', '.');
            rates.put("EUR", new ExchangeRate("EUR", Utils.toNanoCoins(s_avg), URL.getHost()));
        } finally {
            if (reader != null)
                reader.close();
        }
        return rates;
    } catch (final IOException x) {
        x.printStackTrace();
    } catch (final JSONException x) {
        x.printStackTrace();
    }

    return null;
}

From source file:de.teamgrit.grit.preprocess.fetch.SvnFetcher.java

/**
 * checks if GRIT can connect to the remote SVN server.
 *
 * @param svnRepoAdress/*from w ww.  java  2 s.co  m*/
 *            the adress of the remote
 * @return true if GRIT can connect to the SVN.
 * @throws SubmissionFetchingException
 *             If the URL to the SVN is invalid.
 */
private static boolean checkConnectionToRemoteSVN(String svnRepoAdress) throws SubmissionFetchingException {
    try {
        int connectionTimeoutMillis = 10000;
        if (!svnRepoAdress.startsWith("file://")) {
            URL svnRepoLocation = new URL(svnRepoAdress);
            URLConnection svnRepoConnection = svnRepoLocation.openConnection();
            svnRepoConnection.setConnectTimeout(connectionTimeoutMillis);
            svnRepoConnection.connect();
        }
        return true;
    } catch (MalformedURLException e) {
        throw new SubmissionFetchingException(
                "Bad URL specified. Can not connect to this URL: " + svnRepoAdress + e.getMessage());
    } catch (IOException e) {
        return false;
    }
}

From source file:de.schildbach.wallet.marscoin.ExchangeRatesProvider.java

private static Map<String, ExchangeRate> getmarscoinCharts() {
    final Map<String, ExchangeRate> rates = new TreeMap<String, ExchangeRate>();
    // Keep the BTC rate around for a bit
    Double btcRate = 0.0;/*  w  w w .  ja v a2 s  . c  o  m*/
    try {
        String currencies[] = { "BTC" };
        //String urls[] = {"https://cryptorush.in/api.php?get=market&m=mrs&b=btc&json=true"};
        String urls[] = { "http://hlds.ws/marscoinj/api" };
        for (int i = 0; i < currencies.length; ++i) {
            final String currencyCode = currencies[i];
            final URL URL = new URL(urls[i]);
            final URLConnection connection = URL.openConnection();
            connection.setConnectTimeout(TIMEOUT_MS);
            connection.setReadTimeout(TIMEOUT_MS);
            connection.connect();
            final StringBuilder content = new StringBuilder();

            Reader reader = null;
            try {
                reader = new InputStreamReader(new BufferedInputStream(connection.getInputStream(), 1024));
                IOUtils.copy(reader, content);
                final JSONObject head = new JSONObject(content.toString());
                //JSONObject ticker = head.getJSONObject("ticker");
                //rate = Float.parseFloat(head.getString("current_ask"));
                Double avg = head.getDouble("current_ask");
                //Double avg = Float.parseFloat(head.getString("current_ask"));
                String euros = String.format("%.8f", avg);
                // Fix things like 3,1250
                euros = euros.replace(",", ".");
                rates.put(currencyCode,
                        new ExchangeRate(currencyCode, Utils.toNanoCoins(euros), URL.getHost()));
                if (currencyCode.equalsIgnoreCase("BTC"))
                    btcRate = avg;
            } finally {
                if (reader != null)
                    reader.close();
            }
        }
        // Handle LTC/EUR special since we have to do maths
        final URL URL = new URL("https://btc-e.com/api/2/btc_eur/ticker");
        final URLConnection connection = URL.openConnection();
        connection.setConnectTimeout(TIMEOUT_MS);
        connection.setReadTimeout(TIMEOUT_MS);
        connection.connect();
        final StringBuilder content = new StringBuilder();

        Reader reader = null;
        try {
            reader = new InputStreamReader(new BufferedInputStream(connection.getInputStream(), 1024));
            IOUtils.copy(reader, content);
            final JSONObject head = new JSONObject(content.toString());
            JSONObject ticker = head.getJSONObject("ticker");
            Double avg = ticker.getDouble("avg");
            // This is bitcoins priced in euros.  We want MRS!
            avg *= btcRate;
            String s_avg = String.format("%.4f", avg).replace(',', '.');
            rates.put("EUR", new ExchangeRate("EUR", Utils.toNanoCoins(s_avg), URL.getHost()));
        } finally {
            if (reader != null)
                reader.close();
        }
        return rates;
    } catch (final IOException x) {
        x.printStackTrace();
    } catch (final JSONException x) {
        x.printStackTrace();
    }

    return null;
}

From source file:com.feathercoin.wallet.feathercoin.ExchangeRatesProvider.java

private static Map<String, ExchangeRate> getBlockchainInfo() {
    try {/*from ww w  .j  av a  2s . c om*/
        final URL URL = new URL("https://blockchain.info/ticker");
        final URLConnection connection = URL.openConnection();
        connection.setConnectTimeout(TIMEOUT_MS);
        connection.setReadTimeout(TIMEOUT_MS);
        connection.connect();
        final StringBuilder content = new StringBuilder();

        Reader reader = null;
        try {
            reader = new InputStreamReader(new BufferedInputStream(connection.getInputStream(), 1024));
            IOUtils.copy(reader, content);

            final Map<String, ExchangeRate> rates = new TreeMap<String, ExchangeRate>();

            final JSONObject head = new JSONObject(content.toString());
            for (final Iterator<String> i = head.keys(); i.hasNext();) {
                final String currencyCode = i.next();
                final JSONObject o = head.getJSONObject(currencyCode);
                final String rate = o.optString("15m", null);

                if (rate != null)
                    rates.put(currencyCode,
                            new ExchangeRate(currencyCode, Utils.toNanoCoins(rate), URL.getHost()));
            }

            return rates;
        } finally {
            if (reader != null)
                reader.close();
        }
    } catch (final IOException x) {
        x.printStackTrace();
    } catch (final JSONException x) {
        x.printStackTrace();
    }

    return null;
}

From source file:com.hortonworks.amstore.view.AmbariStoreHelper.java

@SuppressWarnings("restriction")
public static String readStringFromUrl(String url, String username, String password) throws IOException {

    URLConnection connection = new URL(url).openConnection();
    connection.setConnectTimeout(5000);
    connection.setReadTimeout(5000);/*from   w  w w  . j a v a2 s  .c o m*/
    connection.setDoOutput(true);

    if (username != null) {
        String userpass = username + ":" + password;
        // TODO: Use apache commons instead.
        String basicAuth = "Basic " + javax.xml.bind.DatatypeConverter.printBase64Binary(userpass.getBytes());
        connection.setRequestProperty("Authorization", basicAuth);
    }
    InputStream in = connection.getInputStream();

    try {
        return IOUtils.toString(in, "UTF-8");
    } finally {
        in.close();
    }
}

From source file:Downloader.java

/**
 * Creates an URL connection for the specified URL and data.
 * /*from w ww. ja  va2  s. c o m*/
 * @param url The URL to connect to
 * @param postData The POST data to pass to the URL
 * @return An URLConnection for the specified URL/data
 * @throws java.net.MalformedURLException If the specified URL is malformed
 * @throws java.io.IOException If an I/O exception occurs while connecting
 */
private static URLConnection getConnection(final String url, final String postData)
        throws MalformedURLException, IOException {
    final URL myUrl = new URL(url);
    final URLConnection urlConn = myUrl.openConnection();

    urlConn.setUseCaches(false);
    urlConn.setDoInput(true);
    urlConn.setDoOutput(postData.length() > 0);
    urlConn.setConnectTimeout(10000);

    if (postData.length() > 0) {
        urlConn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");

        final DataOutputStream out = new DataOutputStream(urlConn.getOutputStream());
        out.writeBytes(postData);
        out.flush();
        out.close();
    }

    return urlConn;
}