Example usage for java.net InetAddress getHostName

Introduction

In this page you can find the example usage for java.net InetAddress getHostName.

Prototype

public String getHostName()

Source Link

Document

Gets the host name for this IP address.

Usage

From source file:org.openadaptor.util.NetUtil.java

public static String getLocalHostname() {
    String result = "<Unknown>";
    InetAddress inetAddr = getLocalInetAddress();
    if (inetAddr != null) {
        result = inetAddr.getHostName();
    }//from   w  ww.j  ava 2 s.c  o m
    return result;
}

From source file:com.lecaddyfute.utils.security.AESCrypto.java

public static Key generateKey() throws Exception {

    String cle = CLE;/*from  ww w .  j a  va  2 s. c o  m*/
    try {
        if (cle.isEmpty()) {
            InetAddress adrLocale;
            adrLocale = InetAddress.getLocalHost();
            cle = adrLocale.getHostName();
        }
        if (cle.length() > 16) {
            cle = cle.substring(0, 16);
        }
        if (cle.length() < 16) {
            int chartocomplete = 16 - cle.length();
            for (int i = 0; i < chartocomplete; i++) {
                cle = cle + i;
            }
        }
        logger.log(Level.INFO, "cle par defaut {0}", cle);
        keyValue = cle.getBytes();
    } catch (Exception e) {
        e.printStackTrace();

    }
    Key key = new SecretKeySpec(keyValue, ALGO);
    return key;
}

From source file:Main.java

public static String shortName(InetAddress hostname) {
    if (hostname == null)
        return null;
    StringBuilder sb = new StringBuilder();
    if (resolve_dns)
        sb.append(hostname.getHostName());
    else/*from   ww  w . j  ava 2 s . c om*/
        sb.append(hostname.getHostAddress());
    return sb.toString();
}

From source file:Main.java

public static String getLocalIpAddress() throws Exception {
    String ipAddress = null;/*from  www.  j  a v  a  2 s  . c  o  m*/

    Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces();

    while (en.hasMoreElements()) {
        NetworkInterface e = en.nextElement();
        Enumeration<InetAddress> addresses = e.getInetAddresses();
        while (addresses.hasMoreElements()) {
            InetAddress address = addresses.nextElement();
            if (!address.isLoopbackAddress() && address.isSiteLocalAddress()) {
                ipAddress = address.getHostName();
                break;
            }
        }
    }

    if (ipAddress == null) {
        ipAddress = InetAddress.getLocalHost().getHostAddress();
    }

    return ipAddress;
}

From source file:fr.gouv.finances.dgfip.xemelios.common.NetAccess.java

public static HttpClient getHttpClient(PropertiesExpansion applicationProperties)
        throws DataConfigurationException {
    String proxyHost = applicationProperties.getProperty(Constants.SYS_PROP_PROXY_SERVER);
    String proxyPort = applicationProperties.getProperty(Constants.SYS_PROP_PROXY_PORT);
    String proxyUser = applicationProperties.getProperty(Constants.SYS_PROP_PROXY_USER);
    String sTmp = applicationProperties.getProperty(Constants.SYS_PROP_PROXY_PASSWD);
    String proxyPasswd = sTmp != null ? Scramble.unScramblePassword(sTmp) : null;
    int intProxyPort = 0;
    if (proxyPort != null) {
        try {/*from   w  ww.j a v a2 s.  co  m*/
            intProxyPort = Integer.parseInt(proxyPort);
        } catch (NumberFormatException nfEx) {
            throw new DataConfigurationException(proxyPort + " n'est pas un numro de port valide.");
        }
    }
    String domainName = applicationProperties.getProperty(Constants.SYS_PROP_PROXY_DOMAIN);

    HttpClient client = new HttpClient();
    //client.getParams().setAuthenticationPreemptive(true);   // check use of this
    HostConfiguration hc = new HostConfiguration();
    if (proxyHost != null) {
        hc.setProxy(proxyHost, intProxyPort);
        client.setHostConfiguration(hc);
    }
    if (proxyUser != null) {
        Credentials creds = null;
        if (domainName != null && domainName.length() > 0) {
            String hostName = "127.0.0.1";
            try {
                InetAddress ip = InetAddress.getByName("127.0.0.1");
                hostName = ip.getHostName();
            } catch (Exception ex) {
                logger.error("", ex);
            }
            creds = new NTCredentials(proxyUser, proxyPasswd, hostName, domainName);
        } else {
            creds = new UsernamePasswordCredentials(proxyUser, proxyPasswd);
        }
        client.getState().setProxyCredentials(AuthScope.ANY, creds);
        //            client.getState().setProxyCredentials(AuthScope.ANY,new UsernamePasswordCredentials(proxyUser,proxyPasswd));
    }
    return client;
}

From source file:HDFSFileFinder.java

private static void getBlockLocationsFromHdfs() {
    StringBuilder sb = new StringBuilder();
    Configuration conf = new Configuration();
    boolean first = true;

    // make connection to hdfs
    try {/*from   ww  w.j av a  2s  . c  o  m*/
        if (verbose) {
            writer.println("DEBUG: Trying to connect to " + fsName);
        }
        FileSystem fs = FileSystem.get(conf);
        Path file = new Path(fileName);
        FileStatus fStatus = fs.getFileStatus(file);
        status = fStatus;
        bLocations = fs.getFileBlockLocations(status, 0, status.getLen());
        //print out all block locations
        for (BlockLocation aLocation : bLocations) {
            String[] names = aLocation.getHosts();
            for (String name : names) {
                InetAddress addr = InetAddress.getByName(name);
                String host = addr.getHostName();
                int idx = host.indexOf('.');
                String hostname;
                if (0 < idx) {
                    hostname = host.substring(0, host.indexOf('.'));
                } else {
                    hostname = host;
                }
                if (first) {
                    sb.append(hostname);
                    first = false;
                } else {
                    sb.append(",").append(hostname);
                }
            }
        }
        sb.append(NEWLINE);
    } catch (IOException e) {
        writer.println("Error getting block location data from namenode");
        e.printStackTrace();
    }
    writer.print(sb.toString());
    writer.flush();
}

From source file:arena.utils.URLUtils.java

public static String getServerName() {
    String serverName = "localhost";
    try {//from   w ww  .j  a v  a2  s.  c  om
        InetAddress localhost = InetAddress.getLocalHost();
        serverName = localhost.getHostName();
    } catch (Throwable err) {
        LogFactory.getLog(URLUtils.class).error("Error looking up server name", err);
    }
    return serverName;
}

From source file:org.apache.kylin.tool.util.ToolUtil.java

public static String getHostName() {
    String hostname = System.getenv("COMPUTERNAME");
    if (StringUtils.isEmpty(hostname)) {
        InetAddress address = null;
        try {/* w ww  . j  a  v a2s .c o m*/
            address = InetAddress.getLocalHost();
            hostname = address.getHostName();
            if (StringUtils.isEmpty(hostname)) {
                hostname = address.getHostAddress();
            }
        } catch (UnknownHostException uhe) {
            String host = uhe.getMessage(); // host = "hostname: hostname"
            if (host != null) {
                int colon = host.indexOf(':');
                if (colon > 0) {
                    return host.substring(0, colon);
                }
            }
            hostname = "Unknown";
        }
    }
    return hostname;
}

From source file:com.amazonaws.util.AwsHostNameUtils.java

/**
 * Returns the host name for the local host. If the operation is not allowed
 * by the security check, the textual representation of the IP address of
 * the local host is returned instead. If the ip address of the local host
 * cannot be resolved or if there is any other failure, "localhost" is
 * returned as a fallback.//  w  w w.j av a  2 s  .  co  m
 */
public static String localHostName() {
    try {
        InetAddress localhost = InetAddress.getLocalHost();
        return localhost.getHostName();
    } catch (Exception e) {
        LogFactory.getLog(AwsHostNameUtils.class)
                .debug("Failed to determine the local hostname; fall back to " + "use \"localhost\".", e);
        return "localhost";
    }
}

From source file:ntpgraphic.PieChart.java

public static void NTPClient(String[] servers) {

    Properties defaultProps = System.getProperties(); //obtiene las "properties" del sistema
    defaultProps.put("java.net.preferIPv6Addresses", "true");//mapea el valor true en la variable java.net.preferIPv6Addresses
    if (servers.length == 0) {
        System.err.println("Usage: NTPClient <hostname-or-address-list>");
        System.exit(1);//from  www. j av a2 s  .com
    }

    Promedio = 0;
    Cant = 0;
    int j = 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 : servers) {
            System.out.println();
            try {
                InetAddress hostAddr = InetAddress.getByName(arg);
                System.out.println("> " + hostAddr.getHostName() + "/" + hostAddr.getHostAddress());
                TimeInfo info = client.getTime(hostAddr);
                processResponse(info, j++);
            } catch (IOException ioe) {
                System.err.println(ioe.toString());
            }
        }
    } catch (SocketException e) {
        System.err.println(e.toString());
    }

    client.close();
    //System.out.println("\n Pomedio "+(Promedio/Cant));
}