Example usage for java.net HttpURLConnection setConnectTimeout

Introduction

In this page you can find the example usage for java.net HttpURLConnection 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:de.jetwick.util.Translate.java

public static String download(String urlAsString) {
    try {/*from   w w  w .  j  a v  a 2s  .com*/
        URL url = new URL(urlAsString);
        //using proxy may increase latency
        HttpURLConnection hConn = (HttpURLConnection) url.openConnection(Proxy.NO_PROXY);
        hConn.setRequestProperty("User-Agent",
                "Mozilla/5.0 (X11; Linux i686; rv:7.0.1) Gecko/20100101 Firefox/7.0.1");
        hConn.addRequestProperty("Referer", "http://jetsli.de/crawler");

        hConn.setConnectTimeout(2000);
        hConn.setReadTimeout(2000);
        InputStream is = hConn.getInputStream();
        if ("gzip".equals(hConn.getContentEncoding()))
            is = new GZIPInputStream(is);

        return getInputStream(is);
    } catch (Exception ex) {
        return "";
    }
}

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From source file:io.fabric8.apiman.ApimanStarter.java

private static URL waitForDependency(URL url, String path, String serviceName, String key, String value,
        String username, String password) throws InterruptedException {
    boolean isFoundRunningService = false;
    ObjectMapper mapper = new ObjectMapper();
    int counter = 0;
    URL endpoint = null;/*from ww  w .  j  ava  2  s.  co  m*/
    while (!isFoundRunningService) {
        endpoint = resolveServiceEndpoint(url.getProtocol(), url.getHost(), String.valueOf(url.getPort()));
        if (endpoint != null) {
            String isLive = null;
            try {
                URL statusURL = new URL(endpoint.toExternalForm() + path);
                HttpURLConnection urlConnection = (HttpURLConnection) statusURL.openConnection();
                urlConnection.setConnectTimeout(500);
                if (urlConnection instanceof HttpsURLConnection) {
                    try {
                        KeyStoreUtil.Info tPathInfo = new KeyStoreUtil().new Info(ApimanStarter.TRUSTSTORE_PATH,
                                ApimanStarter.TRUSTSTORE_PASSWORD_PATH);
                        TrustManager[] tms = KeyStoreUtil.getTrustManagers(tPathInfo);
                        KeyStoreUtil.Info kPathInfo = new KeyStoreUtil().new Info(
                                ApimanStarter.CLIENT_KEYSTORE_PATH,
                                ApimanStarter.CLIENT_KEYSTORE_PASSWORD_PATH);
                        KeyManager[] kms = KeyStoreUtil.getKeyManagers(kPathInfo);
                        final SSLContext sc = SSLContext.getInstance("TLS");
                        sc.init(kms, tms, new java.security.SecureRandom());
                        final SSLSocketFactory socketFactory = sc.getSocketFactory();
                        HttpsURLConnection.setDefaultSSLSocketFactory(socketFactory);
                        HttpsURLConnection httpsConnection = (HttpsURLConnection) urlConnection;
                        httpsConnection.setHostnameVerifier(new DefaultHostnameVerifier());
                        httpsConnection.setSSLSocketFactory(socketFactory);
                    } catch (Exception e) {
                        log.error(e.getMessage(), e);
                        throw e;
                    }
                }
                if (Utils.isNotNullOrEmpty(username)) {
                    String encoded = Base64.getEncoder()
                            .encodeToString((username + ":" + password).getBytes("UTF-8"));
                    urlConnection.setRequestProperty("Authorization", "Basic " + encoded);
                    log.info(username + ":" + "*****");
                }
                isLive = IOUtils.toString(urlConnection.getInputStream());
                Map<String, Object> esResponse = mapper.readValue(isLive,
                        new TypeReference<Map<String, Object>>() {
                        });
                if (esResponse.containsKey(key) && value.equals(String.valueOf(esResponse.get(key)))) {
                    isFoundRunningService = true;
                } else {
                    if (counter % 10 == 0)
                        log.info(endpoint.toExternalForm() + " not yet up. " + isLive);
                }
            } catch (Exception e) {
                if (counter % 10 == 0)
                    log.info(endpoint.toExternalForm() + " not yet up. " + e.getMessage());
            }
        } else {
            if (counter % 10 == 0)
                log.info("Could not find " + serviceName + " in namespace, waiting..");
        }
        counter++;
        Thread.sleep(1000l);
    }
    return endpoint;
}

---

From source file:Main.java

public static String callJsonAPI(String urlString) {
    // Use HttpURLConnection as per Android 6.0 spec, instead of less efficient HttpClient
    HttpURLConnection urlConnection = null;
    StringBuilder jsonResult = new StringBuilder();

    try {//w  w  w .j a  v  a  2s  .c  o  m
        URL url = new URL(urlString);
        urlConnection = (HttpURLConnection) url.openConnection();
        urlConnection.setRequestMethod("GET");
        urlConnection.setUseCaches(false);
        urlConnection.setConnectTimeout(TIMEOUT_CONNECTION);
        urlConnection.setReadTimeout(TIMEOUT_READ);
        urlConnection.connect();

        int status = urlConnection.getResponseCode();

        switch (status) {
        case 200:
        case 201:
            BufferedReader br = new BufferedReader(new InputStreamReader(urlConnection.getInputStream()));

            String line;
            while ((line = br.readLine()) != null) {
                jsonResult.append(line).append("\n");
            }
            br.close();
        }
    } catch (MalformedURLException e) {
        System.err.print(e.getMessage());
        return e.getMessage();
    } catch (IOException e) {
        System.err.print(e.getMessage());
        return e.getMessage();
    } finally {
        if (urlConnection != null) {
            try {
                urlConnection.disconnect();
            } catch (Exception e) {
                System.err.print(e.getMessage());
            }
        }
    }
    return jsonResult.toString();
}

---

From source file:net.line2soft.preambul.utils.Network.java

/**
 * Checks if a connection is possible between device and server.
 * @param address The URL to request/*from  w w  w.java 2 s  .c  o m*/
 * @return True if the connection is possible, false else
 */
public static boolean checkConnection(URL address) {
    boolean result = false;
    try {
        HttpURLConnection urlc = (HttpURLConnection) address.openConnection();
        //urlc.setRequestProperty("User-Agent", "Android Application:"+Z.APP_VERSION);
        urlc.setRequestProperty("Connection", "close");
        urlc.setConnectTimeout(1000);
        urlc.connect();
        if (urlc.getResponseCode() == 200) {
            result = true;
        }
    } catch (Exception e) {
        ;
    }
    return result;
}

---

From source file:dictinsight.utils.io.HttpUtils.java

public static String getDataFromOtherServer(String url) {
    String rec = null;/*from   w  w w .j  a v  a  2 s.  c om*/
    BufferedReader reader = null;
    HttpURLConnection connection = null;
    try {
        URL srcUrl = new URL(url);
        connection = (HttpURLConnection) srcUrl.openConnection();
        connection.setConnectTimeout(1000 * 10);
        connection.connect();
        reader = new BufferedReader(new InputStreamReader(connection.getInputStream()));
        rec = reader.readLine();
    } catch (Exception e) {
        System.out.println("get date from " + url + " error!");
        e.printStackTrace();
    } finally {
        if (reader != null) {
            try {
                reader.close();
            } catch (IOException e) {
                // TODO Auto-generated catch block
                e.printStackTrace();
            }
        }
        if (connection != null)
            connection.disconnect();
    }
    return rec;
}

---

From source file:com.example.android.didyoufeelit.Utils.java

/**
 * Make an HTTP request to the given URL and return a String as the response.
 *//*from w  w  w .j a v  a 2  s. c  om*/
private static String makeHttpRequest(URL url) throws IOException {
    String jsonResponse = "";

    // If the URL is null, then return early.
    if (url == null) {
        return jsonResponse;
    }

    HttpURLConnection urlConnection = null;
    InputStream inputStream = null;
    try {
        urlConnection = (HttpURLConnection) url.openConnection();
        urlConnection.setReadTimeout(10000 /* milliseconds */);
        urlConnection.setConnectTimeout(15000 /* milliseconds */);
        urlConnection.setRequestMethod("GET");
        urlConnection.connect();

        // If the request was successful (response code 200),
        // then read the input stream and parse the response.
        if (urlConnection.getResponseCode() == 200) {
            inputStream = urlConnection.getInputStream();
            jsonResponse = readFromStream(inputStream);
        } else {
            Log.e(LOG_TAG, "Error response code: " + urlConnection.getResponseCode());
        }
    } catch (IOException e) {
        Log.e(LOG_TAG, "Problem retrieving the earthquake JSON results.", e);
    } finally {
        if (urlConnection != null) {
            urlConnection.disconnect();
        }
        if (inputStream != null) {
            inputStream.close();
        }
    }
    return jsonResponse;
}

---

From source file:ee.ria.xroad.proxy.ProxyMain.java

private static Map<String, DiagnosticsStatus> checkConnectionToTimestampUrl() {
    Map<String, DiagnosticsStatus> statuses = new HashMap<>();

    for (String tspUrl : ServerConf.getTspUrl()) {
        try {/*ww  w  . j a  v a  2  s .  c om*/
            URL url = new URL(tspUrl);

            log.info("Checking timestamp server status for url {}", url);

            HttpURLConnection con = (HttpURLConnection) url.openConnection();
            con.setConnectTimeout(DIAGNOSTICS_CONNECTION_TIMEOUT_MS);
            con.setReadTimeout(DIAGNOSTICS_READ_TIMEOUT_MS);
            con.setDoOutput(true);
            con.setDoInput(true);
            con.setRequestMethod("POST");
            con.setRequestProperty("Content-type", "application/timestamp-query");
            con.connect();

            log.info("Checking timestamp server con {}", con);

            if (con.getResponseCode() != HttpURLConnection.HTTP_OK) {
                log.warn("Timestamp check received HTTP error: {} - {}. Might still be ok",
                        con.getResponseCode(), con.getResponseMessage());
                statuses.put(tspUrl,
                        new DiagnosticsStatus(DiagnosticsErrorCodes.RETURN_SUCCESS, LocalTime.now(), tspUrl));
            } else {
                statuses.put(tspUrl,
                        new DiagnosticsStatus(DiagnosticsErrorCodes.RETURN_SUCCESS, LocalTime.now(), tspUrl));
            }

        } catch (Exception e) {
            log.warn("Timestamp status check failed {}", e);

            statuses.put(tspUrl,
                    new DiagnosticsStatus(DiagnosticsUtils.getErrorCode(e), LocalTime.now(), tspUrl));
        }
    }
    return statuses;

}

---

From source file:com.joelapenna.foursquared.appwidget.stats.FoursquareHelper.java

/**
 * Pull the raw text content of the given URL. This call blocks until the
 * operation has completed, and is synchronized because it uses a shared
 * buffer {@link #sBuffer}.//from  ww w .  ja  va 2 s.  c  o  m
 *
 * @param url The exact URL to request.
 * @return The raw content returned by the server.
 * @throws ApiException If any connection or server error occurs.
 * @author Sections of this code contributed by jTribe (http://jtribe.com.au)
 */
protected static synchronized String getUrlContent(String sUrl, String email, String pword)
        throws ApiException {
    if (sUserAgent == null) {
        throw new ApiException("User-Agent string must be prepared");
    }

    String userPassword = email + ":" + pword;
    String encoding = Base64Coder.encodeString(userPassword);
    try {
        URL url = new URL(sUrl);

        System.setProperty("http.keepAlive", "false");
        HttpURLConnection connection = (HttpURLConnection) url.openConnection();
        connection.setRequestProperty("Authorization", "Basic " + encoding);
        connection.setReadTimeout(REQUEST_TIMEOUT * MILLISECONDS);
        connection.setConnectTimeout(REQUEST_TIMEOUT * MILLISECONDS);
        connection.setRequestProperty("User-Agent", sUserAgent);
        connection.setRequestMethod("GET");

        //Get response code
        int responseCode = connection.getResponseCode();

        if (responseCode != HTTP_STATUS_OK) {
            throw new ApiException("Invalid response from server: " + connection.getResponseMessage());
        }

        // Pull content stream from response
        InputStream inputStream = connection.getInputStream();
        ByteArrayOutputStream content = new ByteArrayOutputStream();

        // Read response into a buffered stream
        int readBytes = 0;
        while ((readBytes = inputStream.read(sBuffer)) != -1) {
            content.write(sBuffer, 0, readBytes);
        }

        // Return result from buffered stream
        return new String(content.toByteArray());
    } catch (IOException e) {
        throw new ApiException("Problem communicating with API", e);
    }
}

---

From source file:de.Keyle.MyPet.api.Util.java

public static String readUrlContent(String address, int timeout) throws IOException {
    StringBuilder contents = new StringBuilder(2048);
    BufferedReader br = null;/*from   w  ww  . j  av a2s  . c  om*/

    try {
        URL url = new URL(address);
        HttpURLConnection huc = (HttpURLConnection) url.openConnection();
        huc.setConnectTimeout(timeout);
        huc.setReadTimeout(timeout);
        huc.setRequestMethod("GET");
        huc.connect();
        br = new BufferedReader(new InputStreamReader(huc.getInputStream()));
        String line;
        while ((line = br.readLine()) != null) {
            contents.append(line);
        }
    } finally {
        try {
            if (br != null) {
                br.close();
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
    return contents.toString();
}

---

From source file:chen.android.toolkit.network.HttpConnection.java

/**
 * </br><b>title : </b>      ????POST??
 * </br><b>description :</b>????POST??
 * </br><b>time :</b>      2012-7-8 ?4:34:08
 * @param method         ??/*from ww  w  . j a  v  a 2 s  .c  o m*/
 * @param url            POSTURL
 * @param datas            ????
 * @return               ???
 * @throws IOException
 */
private static InputStream connect(String method, URL url, byte[]... datas) throws IOException {
    HttpURLConnection conn = (HttpURLConnection) url.openConnection();
    conn.setDoOutput(true);
    conn.setDoInput(true);
    conn.setRequestMethod(method);
    conn.setUseCaches(false);
    conn.setInstanceFollowRedirects(true);
    conn.setConnectTimeout(6 * 1000);
    conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");
    conn.setRequestProperty("Connection", "Keep-Alive");
    conn.setRequestProperty("Charset", "UTF-8");
    OutputStream outputStream = conn.getOutputStream();
    for (byte[] data : datas) {
        outputStream.write(data);
    }
    outputStream.close();
    return conn.getInputStream();
}

---

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