Example usage for org.apache.commons.net.ntp NTPUDPClient close

Introduction

In this page you can find the example usage for org.apache.commons.net.ntp NTPUDPClient close.

Prototype

public void close() 

Source Link

Document

Closes the DatagramSocket used for the connection.

Usage

From source file:NTP_Example.java

public static void main(String[] args) {
    if (args.length == 0) {
        System.err.println("Usage: NTPClient <hostname-or-address-list>");
        System.exit(1);/*  w ww .  jav  a 2s. co  m*/
    }

    NTPUDPClient client = new NTPUDPClient();
    // We want to timeout if a response takes longer than 10 seconds
    client.setDefaultTimeout(10000);
    try {
        client.open();
        for (String arg : args) {
            System.out.println();
            try {
                InetAddress hostAddr = InetAddress.getByName(arg);
                System.out.println("> " + hostAddr.getHostName() + "/" + hostAddr.getHostAddress());
                TimeInfo info = client.getTime(hostAddr);
                processResponse(info);
            } catch (IOException ioe) {
                ioe.printStackTrace();
            }
        }
    } catch (SocketException e) {
        e.printStackTrace();
    }

    client.close();
}

---

From source file:be.fedict.trust.service.util.ClockDriftUtil.java

public static TimeInfo executeNTP(ClockDriftConfigEntity clockDriftConfig, final NetworkConfig networkConfig)
        throws IOException {

    LOG.debug("clock drift detection: " + clockDriftConfig.toString());

    final InetAddress ntpServerAddress = InetAddress.getByName(clockDriftConfig.getServer());

    TimeInfo timeInfo;/*from w ww . j a  v  a 2  s .  c om*/
    NTPUDPClient client = new NTPUDPClient();
    client.setDefaultTimeout(clockDriftConfig.getTimeout());
    client.open();
    LOG.debug("NTP server: " + ntpServerAddress);
    timeInfo = client.getTime(ntpServerAddress);
    client.close();
    timeInfo.computeDetails();
    return timeInfo;
}

---

From source file:experts.net.ip6.ULUA.java

/**
 * Obtain NTP time stamp value/*from  w w  w  . j  a  v  a  2 s .c  om*/
 *
 * @param address
 *            NTP server address
 * @return the current time of day in 64-bit NTP format
 * @throws SocketException
 *             If the socket could not be opened which it might be not available any ports.
 * @throws UnknownHostException
 *             If the host could not be found.
 * @throws IOException
 */
public static long obtainNTPTime(String address) throws SocketException, UnknownHostException, IOException {
    NTPUDPClient client = new NTPUDPClient();
    client.setVersion(NtpV3Packet.VERSION_4);

    // throws SocketException
    client.open();
    // throws UnknownHostException from InetAddress.getByName and IOException from client.getTime
    TimeInfo time = client.getTime(InetAddress.getByName(address));
    client.close();

    time.computeDetails();

    return time.getMessage().getTransmitTimeStamp().ntpValue();
}

---

From source file:ch.lamacrypt.internal.network.NTP.java

/**
 * Returns the current Unix epoch (in milliseconds), obtained by polling the
 * following NTP server:/*w w w. j  a  va  2  s  .  com*/
 * <ul>
 * <li>0.ch.pool.ntp.org</li>
 * <li>0.is.pool.ntp.org</li>
 *
 * </ul>
 * <p>
 * Waits up to 10 seconds to get a response
 *
 * @return current Unix epoch, in milliseconds
 */
public static long getTime() {
    NTPUDPClient client = new NTPUDPClient();
    client.setDefaultTimeout(10000);
    hosts[0] = "0.ch.pool.ntp.org";
    hosts[1] = "0.is.pool.ntp.org";
    boolean done = false;
    long epoch = 0;
    int i = 0;

    while (!done) {
        try {
            InetAddress hostAddr = InetAddress.getByName(hosts[i]);
            epoch = client.getTime(hostAddr).getReturnTime();
            done = true;
        } catch (IOException ex) {
            ErrorHandler.showError(ex);
        }
        i++;
    }

    client.close();
    return epoch;
}

---

From source file:amplify.NTPClient.java

public static void syncServerTime(String ntpServerAddress) throws IOException {
    NTPUDPClient client = new NTPUDPClient();

    // We want to timeout if a response takes longer than 10 seconds
    client.setDefaultTimeout(10000);//from www  . j a v  a2s .c  o m
    try {
        client.open();
        System.out.println();
        try {
            InetAddress hostAddr = InetAddress.getByName(ntpServerAddress);
            System.out.println("> " + hostAddr.getHostName() + "/" + hostAddr.getHostAddress());
            TimeInfo info = client.getTime(hostAddr);
            processResponse(info);
        } catch (IOException ioe) {
            client.close();
            throw ioe;
        }
    } catch (SocketException e) {
        client.close();
        throw e;
    }

    client.close();
}

---

From source file:com.fuensalida.utils.FechaExternaNTP.java

public static Date getNTPDateROA() {
    String servidor = "minuto.roa.es";
    //Se le da un valor nulo por defecto a la variable

    Date fechaRecibida = null;/*from w w w.  j  a  v  a  2  s  .  co m*/
    //Se crea un objeto de tipo NTPUDPClient Clase de la libreria Commons

    NTPUDPClient cliente = new NTPUDPClient();
    //Tiempo de Espera Antes De Mandar Error.

    cliente.setDefaultTimeout(5000);
    try {
        //Obtenemos la direccion IP por medio de el host previamente Asignado

        InetAddress hostAddr = InetAddress.getByName(servidor);
        //Solicitamos la fecha al servidor

        TimeInfo fecha = cliente.getTime(hostAddr);
        //Recibimos y convertimos la fecha a formato DATE

        fechaRecibida = new Date(fecha.getMessage().getTransmitTimeStamp().getTime());
    } catch (Exception e) {
        System.err.println("Error: " + e.getMessage());
    }
    //Cerramos la comunicacin con el cliente

    cliente.close();
    //Retornamos la fecha ya convertida si no es nula , de ser nula regresa la fecha Local

    return fechaRecibida == null ? new Date() : fechaRecibida;

}

---

From source file:flex.helpers.NTPHelper.java

/**
 * Solicitar hora y fecha a servidor NTP.
 * /* w w  w.  j  av  a 2s .c  o m*/
 * @param ntpServer Direccin ip del servidor NTP
 * @return
 * @throws NTPHelperException 
 */
public static Date getDateTime(String ntpServer) throws NTPHelperException {
    if (ntpServer == null)
        throw new NTPHelperException(NTPHelperException.ERROR_NTP_EMPTY);
    if (ntpServer.isEmpty())
        throw new NTPHelperException(NTPHelperException.ERROR_NTP_EMPTY);

    Date time = null;
    NTPUDPClient client = new NTPUDPClient();
    client.setDefaultTimeout(NTP_TIMEOUT);

    try {
        client.open();
        InetAddress hostAddr = InetAddress.getByName(ntpServer);
        TimeInfo info = client.getTime(hostAddr);
        time = processResponse(info);

    } catch (UnknownHostException ex) {
        throw new NTPHelperException(NTPHelperException.ERROR_NTP_UNKNOWN_HOST, ex.getCause());

    } catch (SocketException ex) {
        throw new NTPHelperException(NTPHelperException.ERROR_NTP_SOCKET, ex.getCause());

    } catch (IOException ex) {
        throw new NTPHelperException(NTPHelperException.ERROR_NTP_READ, ex.getCause());

    } finally {
        client.close();
        System.gc();
    }

    return time;
}

---

From source file:com.chiorichan.util.WebUtils.java

public static Date getNTPDate() {
    String[] hosts = new String[] { "ntp02.oal.ul.pt", "ntp04.oal.ul.pt", "ntp.xs4all.nl" };

    NTPUDPClient client = new NTPUDPClient();
    // We want to timeout if a response takes longer than 5 seconds
    client.setDefaultTimeout(5000);//from w  w  w. j ava  2s  .  c  om

    for (String host : hosts) {

        try {
            InetAddress hostAddr = InetAddress.getByName(host);
            // System.out.println( "> " + hostAddr.getHostName() + "/" + hostAddr.getHostAddress() );
            TimeInfo info = client.getTime(hostAddr);
            Date date = new Date(info.getReturnTime());
            return date;

        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    client.close();

    return null;

}

---

From source file:edu.tcu.gaduo.ihe.iti.ct_transaction.service.NTPClient.java

public Date processResponse(String host) {

    TimeInfo info = null;/*from www  . j a  v a 2 s.c  o  m*/
    try {
        NTPUDPClient client = new NTPUDPClient();
        client.setDefaultTimeout(10000);
        client.open();
        InetAddress hostAddr = InetAddress.getByName(host);
        info = client.getTime(hostAddr);
        client.close();
    } catch (NullPointerException e) {
        logger.info(e.toString());
        return null;
    } catch (IOException e) {
        logger.info(e.toString());
        e.printStackTrace();
        return null;
    }

    message = info.getMessage();
    stratum = message.getStratum(); // 
    if (stratum <= 0)
        refType = "(??)";
    else if (stratum == 1)
        refType = "(??; e.g., GPS)"; // GPS, radio clock,
    else
        refType = "(??; e.g. via NTP or SNTP)";
    // stratum should be 0..15...
    logger.info(" Stratum: " + stratum + " " + refType);

    this.setRefNtpTime(message.getReferenceTimeStamp());

    // Originate Time is time request sent by client (t1)
    this.setOrigNtpTime(message.getOriginateTimeStamp());
    // Receive Time is time request received by server (t2)
    this.setRcvNtpTime(message.getReceiveTimeStamp());
    // Transmit time is time reply sent by server (t3)
    this.setXmitNtpTime(message.getTransmitTimeStamp());
    // Destination time is time reply received by client (t4)
    long destTime = info.getReturnTime();
    this.setDestNtpTime(TimeStamp.getNtpTime(destTime));

    info.computeDetails(); // compute offset/delay if not already done
    Long offsetValue = info.getOffset();
    Long delayValue = info.getDelay();
    this.setDelay(delay = (delayValue == null) ? "N/A" : delayValue.toString());
    this.setOffset((offsetValue == null) ? "N/A" : offsetValue.toString());

    Date Date = message.getReferenceTimeStamp().getDate();
    return Date;
}

---

From source file:com.jaspersoft.bigquery.connection.BigQueryConnection.java

public String test() throws JRException {
    try {/* w  w w. ja va  2  s  .  c  o  m*/
        if (transport != null && jsonFactory != null && bigquery != null) {
            List datasetRequest = bigquery.datasets().list("publicdata");
            DatasetList datasetList = datasetRequest.execute();
            StringBuilder builder = new StringBuilder();
            builder.append("Available datasets: ");
            if (datasetList != null) {
                java.util.List<Datasets> datasets = datasetList.getDatasets();
                for (Datasets dataset : datasets) {
                    builder.append(dataset.getId());
                    builder.append(",");
                }
            }
            if (builder.charAt(builder.length() - 1) == ',') {
                builder.setCharAt(builder.length() - 1, '.');
            }
            return builder.toString();
        }
    } catch (Throwable e) {
        if (e.getMessage() != null && e.getMessage().toLowerCase().contains("unauthorized")) {
            logger.error(e);
            NTPUDPClient ntpClient = new NTPUDPClient();
            TimeInfo timeInfo = null;
            try {
                timeInfo = ntpClient.getTime(InetAddress.getByName(NTP_SERVER));
            } catch (Throwable e1) {
                e1.printStackTrace();
            } finally {
                ntpClient.close();
            }
            StringBuilder timeMessage = new StringBuilder();
            timeMessage.append("Ensure your system clock is synchronized with an NTP server.\n");
            if (timeInfo != null) {
                timeInfo.computeDetails();
                long offset = (timeInfo.getOffset() != null) ? timeInfo.getOffset() : 0l;
                SimpleDateFormat df = new SimpleDateFormat("EEE yyyy MMM d HH:mm:ss SSS z");
                String localDateString = df.format(new java.util.Date(System.currentTimeMillis()));
                String ntpDateString = df.format(new java.util.Date(System.currentTimeMillis() + offset));
                timeMessage.append("Current offset against \"");
                timeMessage.append(NTP_SERVER);
                timeMessage.append("\" is: ");
                timeMessage.append(offset);
                timeMessage.append(" milliseconds.\n");
                timeMessage.append("Current time on NTP   server: " + ntpDateString + "\n");
                timeMessage.append("Current time on local server: " + localDateString);
            }
            throw new JRException(
                    "Unauthorized exception. Please review your serviceAccountId and privateKeyFilePath.\n"
                            + timeMessage.toString());
        }
        throw new JRException(e);
    }
    throw new JRException("Could not connect to BigQuery");
}

---

• «
• 1
• 2
• 3
• »