Example usage for java.net SocketException printStackTrace

Introduction

In this page you can find the example usage for java.net SocketException printStackTrace.

Prototype

public void printStackTrace() 

Source Link

Document

Prints this throwable and its backtrace to the standard error stream.

Usage

From source file:org.apache.common.net.examples.ntp.NTPClient.java

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

    NTPUDPClient client = new NTPUDPClient();
    // We want to timeout if a response takes longer than 10 seconds
    client.setDefaultTimeout(10000);
    try {
        client.open();
        for (int i = 0; i < args.length; i++) {
            System.out.println();
            try {
                InetAddress hostAddr = InetAddress.getByName(args[i]);
                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: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);//from  ww w  .  j a  va 2 s.  c  o 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:org.urbancortex.routes.NTPClient.java

public static TimeInfo main(String[] args) {
    System.out.println(args);/*from  www  .j  ava2 s  .c  o m*/

    if (args.length == 0) {
        System.err.println("Usage: NTPClient <hostname-or-address-list>");
        System.exit(1);
    }

    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);

                return info;

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

    client.close();
    return null;
}

---

From source file:airnowgrib2tojson.AirNowGRIB2toJSON.java

/**
 * @param args the command line arguments
 *///from www  .  ja v  a2s  .c o m
public static void main(String[] args) {

    SimpleDateFormat GMT = new SimpleDateFormat("yyMMddHH");
    GMT.setTimeZone(TimeZone.getTimeZone("GMT-2"));

    System.out.println(GMT.format(new Date()));

    FTPClient ftpClient = new FTPClient();
    FileOutputStream fos = null;

    try {
        //Connecting to AirNow FTP server to get the fresh AQI data  
        ftpClient.connect("ftp.airnowapi.org");
        ftpClient.login("pixelshade", "GZDN8uqduwvk");
        ftpClient.enterLocalPassiveMode();
        ftpClient.setFileType(FTP.BINARY_FILE_TYPE);

        //downloading .grib2 file
        File of = new File("US-" + GMT.format(new Date()) + "_combined.grib2");
        OutputStream outstr = new BufferedOutputStream(new FileOutputStream(of));
        InputStream instr = ftpClient
                .retrieveFileStream("GRIB2/US-" + GMT.format(new Date()) + "_combined.grib2");
        byte[] bytesArray = new byte[4096];
        int bytesRead = -1;
        while ((bytesRead = instr.read(bytesArray)) != -1) {
            outstr.write(bytesArray, 0, bytesRead);
        }

        //Close used resources
        ftpClient.completePendingCommand();
        outstr.close();
        instr.close();

        // logout the user 
        ftpClient.logout();

    } catch (SocketException e) {
        e.printStackTrace();
    } catch (IOException e) {
        e.printStackTrace();
    } finally {
        try {
            //disconnect from AirNow server
            ftpClient.disconnect();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }

    try {
        //Open .grib2 file
        final File AQIfile = new File("US-" + GMT.format(new Date()) + "_combined.grib2");
        final GridDataset gridDS = GridDataset.open(AQIfile.getAbsolutePath());

        //The data type needed - AQI; since it isn't defined in GRIB2 standard,
        //Aerosol type is used instead; look AirNow API documentation for details.
        GridDatatype AQI = gridDS.findGridDatatype("Aerosol_type_msl");

        //Get the coordinate system for selected data type;
        //cut the rectangle to work with - time and height axes aren't present in these files
        //and latitude/longitude go "-1", which means all the data provided.
        GridCoordSystem AQIGCS = AQI.getCoordinateSystem();
        List<CoordinateAxis> AQI_XY = AQIGCS.getCoordinateAxes();
        Array AQIslice = AQI.readDataSlice(0, 0, -1, -1);

        //Variables for iterating through coordinates
        VariableDS var = AQI.getVariable();
        Index index = AQIslice.getIndex();

        //Variables for counting lat/long from the indices provided
        double stepX = (AQI_XY.get(2).getMaxValue() - AQI_XY.get(2).getMinValue()) / index.getShape(1);
        double stepY = (AQI_XY.get(1).getMaxValue() - AQI_XY.get(1).getMinValue()) / index.getShape(0);
        double curX = AQI_XY.get(2).getMinValue();
        double curY = AQI_XY.get(1).getMinValue();

        //Output details
        OutputStream ValLog = new FileOutputStream("USA_AQI.json");
        Writer ValWriter = new OutputStreamWriter(ValLog);

        for (int j = 0; j < index.getShape(0); j++) {
            for (int i = 0; i < index.getShape(1); i++) {
                float val = AQIslice.getFloat(index.set(j, i));

                //Write the AQI value and its coordinates if it's present by i/j indices
                if (!Float.isNaN(val))
                    ValWriter.write("{\r\n\"lat\":" + curX + ",\r\n\"lng\":" + curY + ",\r\n\"AQI\":" + val
                            + ",\r\n},\r\n");

                curX += stepX;
            }
            curY += stepY;
            curX = AQI_XY.get(2).getMinValue();
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
}

---

From source file:org.urbancortex.presenter.NTPClient.java

public static TimeInfo main(String[] args) {
    System.out.println(args);//ww  w. j  av  a  2s .c o m

    if (args.length == 0) {
        System.err.println("Usage: NTPClient <hostname-or-address-list>");
        System.exit(1);
    }

    NTPUDPClient client = new NTPUDPClient();
    // We want to timeout if a response takes longer than 10 seconds
    client.setDefaultTimeout(5000);
    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);

                return info;

            } catch (IOException ioe) {
                ioe.printStackTrace();
                socketTimeout = true;
                //                    csv_logger.stopNTPTask();
                System.out.println("couldn't establish a connection" + ioe);
            }
        }
    } catch (SocketException e) {
        e.printStackTrace();
        socketTimeout = true;
        //            csv_logger.stopNTPTask();
        System.out.println("couldn't establish a connection" + e);
    }

    client.close();
    return null;
}

---

From source file:Main.java

public static String getLocalIpAddress() {
    try {/*  w ww  .j  a v a2s .co m*/
        for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en
                .hasMoreElements();) {
            NetworkInterface intf = en.nextElement();
            for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements();) {
                InetAddress inetAddress = enumIpAddr.nextElement();
                if (!inetAddress.isLoopbackAddress()) {
                    return inetAddress.getHostAddress().toString();
                }
            }
        }
    } catch (SocketException ex) {
        ex.printStackTrace();
    }
    return "";
}

---

From source file:Main.java

@Nullable
public static String getLocalIPAddress() {
    try {//from w ww  .j  ava  2  s . c om
        for (Enumeration<NetworkInterface> eni = NetworkInterface.getNetworkInterfaces(); eni
                .hasMoreElements();) {
            NetworkInterface ni = eni.nextElement();
            for (Enumeration<InetAddress> eia = ni.getInetAddresses(); eia.hasMoreElements();) {
                InetAddress ia = eia.nextElement();
                if (!ia.isLoopbackAddress() && (ia instanceof Inet4Address)) {
                    return ia.getHostAddress();
                }
            }
        }
    } catch (SocketException e) {
        e.printStackTrace();
    }
    return null;
}

---

From source file:Main.java

public static String getLocalIpAddress() {
    String ret = "";
    try {// w w w.j av a2 s. c om
        for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en
                .hasMoreElements();) {
            NetworkInterface intf = en.nextElement();
            for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements();) {
                InetAddress inetAddress = enumIpAddr.nextElement();
                if (!inetAddress.isLoopbackAddress()) {
                    ret = inetAddress.getHostAddress().toString();
                }
            }
        }
    } catch (SocketException ex) {
        ex.printStackTrace();
    }
    return ret;
}

---

From source file:Main.java

public static Collection<InetAddress> getAllAvailableAddresses() {
    Set<InetAddress> retval = new HashSet<InetAddress>();
    Enumeration en;/*w w w  .java 2  s .  c  o  m*/

    try {
        en = NetworkInterface.getNetworkInterfaces();
        if (en == null)
            return retval;
        while (en.hasMoreElements()) {
            NetworkInterface intf = (NetworkInterface) en.nextElement();
            Enumeration<InetAddress> addrs = intf.getInetAddresses();
            while (addrs.hasMoreElements())
                retval.add(addrs.nextElement());
        }
    } catch (SocketException e) {
        e.printStackTrace();
    }

    return retval;
}

---

From source file:Main.java

public static String localIPAddress() {
    try {//from  w ww. j  ava  2 s  . c  om
        for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en
                .hasMoreElements();) {
            NetworkInterface intf = en.nextElement();
            for (Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr.hasMoreElements();) {
                InetAddress inetAddress = enumIpAddr.nextElement();
                if (!inetAddress.isLoopbackAddress()) {
                    String ipAddress = inetAddress.getHostAddress().toString();
                    int p = ipAddress.indexOf("%");
                    if (p > 0)
                        ipAddress = ipAddress.substring(0, p);
                    //if (MagicBooleans.trace_mode) System.out.println("--> localIPAddress = "+ipAddress);
                    return ipAddress;
                }
            }
        }
    } catch (SocketException ex) {
        ex.printStackTrace();
    }
    return "127.0.0.1";
}

---

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