Example usage for java.net InetAddress getHostName

List of usage examples for java.net InetAddress getHostName

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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:DNSLookup.java

public static void main(String args[]) {
    try {/* w w w  .  java2 s  . co m*/
        InetAddress host;
        if (args.length == 0) {
            host = InetAddress.getLocalHost();
        } else {
            host = InetAddress.getByName(args[0]);
        }
        System.out.println("Host:'" + host.getHostName() + "' has address: " + host.getHostAddress());
        byte bytes[] = host.getAddress();
        int fourBytes[] = new int[bytes.length];
        for (int i = 0, n = bytes.length; i < n; i++) {
            fourBytes[i] = bytes[i] & 255;
        }
        System.out.println("\t" + fourBytes[0] + "." + fourBytes[1] + "." + fourBytes[2] + "." + fourBytes[3]);
    } catch (UnknownHostException e) {
        e.printStackTrace();
    }
}

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 av  a 2  s.c om
    }

    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  av a  2  s. c om
    }

    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  w w w  . ja v  a  2 s .  com*/

    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:ntp.NTPClient.java

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

    Promedio = 0;
    Cant = 0;
    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) {
                System.err.println(ioe.toString());
            }
        }
    } catch (SocketException e) {
        System.err.println(e.toString());
    }

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

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

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

    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:org.wso2.carbon.server.Main.java

/**
 * Launch the Carbon server.//  ww w. jav  a 2s.  c om
 * 1) Process and set system properties
 * 2) Invoke extensions.
 * 3) Launch OSGi framework.
 *
 * @param args command line arguments.
 */
public static void main(String[] args) {
    //Setting Carbon Home
    if (System.getProperty(LauncherConstants.CARBON_HOME) == null) {
        System.setProperty(LauncherConstants.CARBON_HOME, ".");
    }
    System.setProperty(LauncherConstants.AXIS2_HOME, System.getProperty(LauncherConstants.CARBON_HOME));

    //To keep track of the time taken to start the Carbon server.
    System.setProperty("wso2carbon.start.time", System.currentTimeMillis() + "");
    if (System.getProperty("carbon.instance.name") == null) {
        InetAddress addr;
        String ipAddr;
        String hostName;
        try {
            addr = InetAddress.getLocalHost();
            ipAddr = addr.getHostAddress();
            hostName = addr.getHostName();
        } catch (UnknownHostException e) {
            ipAddr = "localhost";
            hostName = "127.0.0.1";
        }
        String uuId = UUID.randomUUID().toString();
        String timeStamp = System.currentTimeMillis() + "";
        String carbon_instance_name = timeStamp + "_" + hostName + "_" + ipAddr + "_" + uuId;
        System.setProperty("carbon.instance.name", carbon_instance_name);

    }
    writePID(System.getProperty(LauncherConstants.CARBON_HOME));
    processCmdLineArgs(args);

    // set WSO2CarbonProfile as worker if workerNode=true present
    if ((System.getProperty(LauncherConstants.WORKER_NODE) != null)
            && (System.getProperty(LauncherConstants.WORKER_NODE).equals("true"))
            && System.getProperty(LauncherConstants.PROFILE) == null) {
        File profileDir = new File(
                Utils.getCarbonComponentRepo() + File.separator + LauncherConstants.WORKER_PROFILE);
        /*
        *   Better check profile directory is present or not otherwise osgi will hang
        * */
        if (!profileDir.exists()) {
            log.fatal("OSGi runtime " + LauncherConstants.WORKER_PROFILE + " profile not found");
            throw new RuntimeException(LauncherConstants.WORKER_PROFILE + " profile not found");
        }
        System.setProperty(LauncherConstants.PROFILE, LauncherConstants.WORKER_PROFILE);
    }
    //setting default WSO2CarbonProfile as the running Profile if no other Profile is given as an argument
    if (System.getProperty(LauncherConstants.PROFILE) == null) {
        System.setProperty(LauncherConstants.PROFILE, LauncherConstants.DEFAULT_CARBON_PROFILE);
    }
    invokeExtensions();
    removeAllAppendersFromCarbon();
    launchCarbon();
}

From source file:org.wso2.carbon.micro.integrator.server.Main.java

public static void main(String[] args) {
    //Setting Carbon Home
    if (System.getProperty(LauncherConstants.CARBON_HOME) == null) {
        System.setProperty(LauncherConstants.CARBON_HOME, ".");
    }/*www.j av  a2s  .  c  om*/
    System.setProperty(LauncherConstants.AXIS2_HOME, System.getProperty(LauncherConstants.CARBON_HOME));

    //To keep track of the time taken to start the Carbon server.
    System.setProperty("wso2carbon.start.time", System.currentTimeMillis() + "");
    if (System.getProperty("carbon.instance.name") == null) {
        InetAddress addr;
        String ipAddr;
        String hostName;
        try {
            addr = InetAddress.getLocalHost();
            ipAddr = addr.getHostAddress();
            hostName = addr.getHostName();
        } catch (UnknownHostException e) {
            ipAddr = "localhost";
            hostName = "127.0.0.1";
        }
        String uuId = UUID.randomUUID().toString();
        String timeStamp = System.currentTimeMillis() + "";
        String carbon_instance_name = timeStamp + "_" + hostName + "_" + ipAddr + "_" + uuId;
        System.setProperty("carbon.instance.name", carbon_instance_name);
    }
    writePID(System.getProperty(LauncherConstants.CARBON_HOME));
    processCmdLineArgs(args);

    invokeExtensions();
    removeAllAppendersFromCarbon();
    startEquinox();

}

From source file:net.sourceforge.msscodefactory.cfasterisk.v2_4.CFAsteriskSwingHttpCLI.CFAsteriskSwingHttpCLI.java

public static void main(String args[]) {
    final String S_ProcName = "CFAsteriskSwingHttpCLI.main() ";
    initConsoleLog();/*from   w  ww. j  a  v  a  2 s . c om*/
    boolean fastExit = false;

    String homeDirName = System.getProperty("HOME");
    if (homeDirName == null) {
        homeDirName = System.getProperty("user.home");
        if (homeDirName == null) {
            log.message(S_ProcName + "ERROR: Home directory not set");
            return;
        }
    }
    File homeDir = new File(homeDirName);
    if (!homeDir.exists()) {
        log.message(S_ProcName + "ERROR: Home directory \"" + homeDirName + "\" does not exist");
        return;
    }
    if (!homeDir.isDirectory()) {
        log.message(S_ProcName + "ERROR: Home directory \"" + homeDirName + "\" is not a directory");
        return;
    }

    CFAsteriskClientConfigurationFile cFAsteriskClientConfig = new CFAsteriskClientConfigurationFile();
    String cFAsteriskClientConfigFileName = homeDir.getPath() + File.separator + ".cfasteriskclientrc";
    cFAsteriskClientConfig.setFileName(cFAsteriskClientConfigFileName);
    File cFAsteriskClientConfigFile = new File(cFAsteriskClientConfigFileName);
    if (!cFAsteriskClientConfigFile.exists()) {
        String cFAsteriskKeyStoreFileName = homeDir.getPath() + File.separator + ".msscfjceks";
        cFAsteriskClientConfig.setKeyStore(cFAsteriskKeyStoreFileName);
        InetAddress localHost;
        try {
            localHost = InetAddress.getLocalHost();
        } catch (UnknownHostException e) {
            localHost = null;
        }
        if (localHost == null) {
            log.message(S_ProcName + "ERROR: LocalHost is null");
            return;
        }
        String hostName = localHost.getHostName();
        if ((hostName == null) || (hostName.length() <= 0)) {
            log.message("ERROR: LocalHost.HostName is null or empty");
            return;
        }
        String userName = System.getProperty("user.name");
        if ((userName == null) || (userName.length() <= 0)) {
            log.message("ERROR: user.name is null or empty");
            return;
        }
        String deviceName = hostName.replaceAll("[^\\w]", "_").toLowerCase() + "-"
                + userName.replaceAll("[^\\w]", "_").toLowerCase();
        cFAsteriskClientConfig.setDeviceName(deviceName);
        cFAsteriskClientConfig.save();
        log.message(S_ProcName + "INFO: Created CFAsterisk client configuration file "
                + cFAsteriskClientConfigFileName);
        fastExit = true;
    }
    if (!cFAsteriskClientConfigFile.isFile()) {
        log.message(S_ProcName + "ERROR: Proposed client configuration file " + cFAsteriskClientConfigFileName
                + " is not a file.");
        fastExit = true;
    }
    if (!cFAsteriskClientConfigFile.canRead()) {
        log.message(S_ProcName + "ERROR: Permission denied attempting to read client configuration file "
                + cFAsteriskClientConfigFileName);
        fastExit = true;
    }
    cFAsteriskClientConfig.load();

    if (fastExit) {
        return;
    }

    // Configure logging
    Properties sysProps = System.getProperties();
    sysProps.setProperty("log4j.rootCategory", "WARN");
    sysProps.setProperty("org.apache.commons.logging.Log", "org.apache.commons.logging.impl.Log4JLogger");

    Logger httpLogger = Logger.getLogger("org.apache.http");
    httpLogger.setLevel(Level.WARN);

    // The Invoker and it's implementation
    CFAsteriskXMsgClientHttpSchema invoker = new CFAsteriskXMsgClientHttpSchema();

    // And now for the client side cache implementation that invokes it
    ICFAsteriskSchemaObj clientSchemaObj = new CFAsteriskSchemaObj() {
        public void logout() {
            CFAsteriskXMsgClientHttpSchema invoker = (CFAsteriskXMsgClientHttpSchema) getBackingStore();
            try {
                invoker.logout(getAuthorization());
            } catch (RuntimeException e) {
            }
            setAuthorization(null);
        }
    };
    clientSchemaObj.setBackingStore(invoker);
    // And stitch the response handler to reference our client instance
    invoker.setResponseHandlerSchemaObj(clientSchemaObj);
    // And now we can stitch together the CLI to the SAX loader code
    CFAsteriskSwingHttpCLI cli = new CFAsteriskSwingHttpCLI();
    cli.setXMsgClientHttpSchema(invoker);
    cli.setSchema(clientSchemaObj);
    ICFAsteriskSwingSchema swing = cli.getSwingSchema();
    swing.setClientConfigurationFile(cFAsteriskClientConfig);
    swing.setSchema(clientSchemaObj);
    swing.setClusterName("system");
    swing.setTenantName("system");
    swing.setSecUserName("system");
    JFrame jframe = cli.getDesktop();
    jframe.setVisible(true);
    jframe.toFront();
}

From source file:net.sourceforge.msscodefactory.cfasterisk.v2_4.CFAsteriskSaxDb2LUWLoaderCLI.CFAsteriskSaxDb2LUWLoaderCLI.java

public static void main(String args[]) {
    final String S_ProcName = "CFAsteriskSaxDb2LUWLoaderCLI.main() ";
    initConsoleLog();// w ww  .j a va 2 s . c  om
    int numArgs = args.length;
    if (numArgs >= 2) {
        String homeDirName = System.getProperty("HOME");
        if (homeDirName == null) {
            homeDirName = System.getProperty("user.home");
            if (homeDirName == null) {
                log.message(S_ProcName + "ERROR: Home directory not set");
                return;
            }
        }
        File homeDir = new File(homeDirName);
        if (!homeDir.exists()) {
            log.message(S_ProcName + "ERROR: Home directory \"" + homeDirName + "\" does not exist");
            return;
        }
        if (!homeDir.isDirectory()) {
            log.message(S_ProcName + "ERROR: Home directory \"" + homeDirName + "\" is not a directory");
            return;
        }
        CFAsteriskConfigurationFile cFAsteriskConfig = new CFAsteriskConfigurationFile();
        String cFAsteriskConfigFileName = homeDir.getPath() + File.separator + ".cfasteriskdb2luwrc";
        cFAsteriskConfig.setFileName(cFAsteriskConfigFileName);
        File cFAsteriskConfigFile = new File(cFAsteriskConfigFileName);
        if (!cFAsteriskConfigFile.exists()) {
            cFAsteriskConfig.setDbServer("127.0.0.1");
            cFAsteriskConfig.setDbPort(5432);
            cFAsteriskConfig.setDbDatabase("CFAst24");
            cFAsteriskConfig.setDbUserName("luw");
            cFAsteriskConfig.setDbPassword("edit-me-please");
            cFAsteriskConfig.save();
            log.message(S_ProcName + "INFO: Created configuration file " + cFAsteriskConfigFileName
                    + ", please edit configuration and restart.");
            return;
        }
        if (!cFAsteriskConfigFile.isFile()) {
            log.message(S_ProcName + "ERROR: Proposed configuration file " + cFAsteriskConfigFileName
                    + " is not a file.");
            return;
        }
        if (!cFAsteriskConfigFile.canRead()) {
            log.message(S_ProcName + "ERROR: Permission denied attempting to read configuration file "
                    + cFAsteriskConfigFileName);
            return;
        }
        cFAsteriskConfig.load();
        boolean fastExit = false;
        CFAsteriskClientConfigurationFile cFDbTestClientConfig = new CFAsteriskClientConfigurationFile();
        String cFDbTestClientConfigFileName = homeDir.getPath() + File.separator + ".cfdbtestclientrc";
        cFDbTestClientConfig.setFileName(cFDbTestClientConfigFileName);
        File cFDbTestClientConfigFile = new File(cFDbTestClientConfigFileName);
        if (!cFDbTestClientConfigFile.exists()) {
            String cFDbTestKeyStoreFileName = homeDir.getPath() + File.separator + ".msscfjceks";
            cFDbTestClientConfig.setKeyStore(cFDbTestKeyStoreFileName);
            InetAddress localHost;
            try {
                localHost = InetAddress.getLocalHost();
            } catch (UnknownHostException e) {
                localHost = null;
            }
            if (localHost == null) {
                log.message(S_ProcName + "ERROR: LocalHost is null");
                return;
            }
            String hostName = localHost.getHostName();
            if ((hostName == null) || (hostName.length() <= 0)) {
                log.message("ERROR: LocalHost.HostName is null or empty");
                return;
            }
            String userName = System.getProperty("user.name");
            if ((userName == null) || (userName.length() <= 0)) {
                log.message("ERROR: user.name is null or empty");
                return;
            }
            String deviceName = hostName.replaceAll("[^\\w]", "_").toLowerCase() + "-"
                    + userName.replaceAll("[^\\w]", "_").toLowerCase();
            cFDbTestClientConfig.setDeviceName(deviceName);
            cFDbTestClientConfig.save();
            log.message(S_ProcName + "INFO: Created CFAsterisk client configuration file "
                    + cFDbTestClientConfigFileName);
            fastExit = true;
        }
        if (!cFDbTestClientConfigFile.isFile()) {
            log.message(S_ProcName + "ERROR: Proposed client configuration file " + cFDbTestClientConfigFileName
                    + " is not a file.");
            fastExit = true;
        }
        if (!cFDbTestClientConfigFile.canRead()) {
            log.message(S_ProcName + "ERROR: Permission denied attempting to read client configuration file "
                    + cFDbTestClientConfigFileName);
            fastExit = true;
        }
        cFDbTestClientConfig.load();

        if (fastExit) {
            return;
        }

        // Configure logging
        Properties sysProps = System.getProperties();
        sysProps.setProperty("log4j.rootCategory", "WARN");
        sysProps.setProperty("org.apache.commons.logging.Log", "org.apache.commons.logging.impl.Log4JLogger");

        Logger httpLogger = Logger.getLogger("org.apache.http");
        httpLogger.setLevel(Level.WARN);

        ICFAsteriskSchema cFAsteriskSchema = new CFAsteriskDb2LUWSchema();
        cFAsteriskSchema.setConfigurationFile(cFAsteriskConfig);
        ICFAsteriskSchemaObj cFAsteriskSchemaObj = new CFAsteriskSchemaObj();
        cFAsteriskSchemaObj.setBackingStore(cFAsteriskSchema);
        CFAsteriskSaxLoaderCLI cli = new CFAsteriskSaxDb2LUWLoaderCLI();
        CFAsteriskSaxLoader loader = cli.getSaxLoader();
        loader.setSchemaObj(cFAsteriskSchemaObj);
        cFAsteriskSchema.connect();
        String url = args[1];
        if (numArgs >= 5) {
            cli.setClusterName(args[2]);
            cli.setTenantName(args[3]);
            cli.setSecUserName(args[4]);
        } else {
            cli.setClusterName("default");
            cli.setTenantName("system");
            cli.setSecUserName("system");
        }
        loader.setUseCluster(cli.getClusterObj());
        loader.setUseTenant(cli.getTenantObj());
        try {
            cFAsteriskSchema.beginTransaction();
            cFAsteriskSchemaObj.setSecCluster(cli.getClusterObj());
            cFAsteriskSchemaObj.setSecTenant(cli.getTenantObj());
            cFAsteriskSchemaObj.setSecUser(cli.getSecUserObj());
            cFAsteriskSchemaObj.setSecSession(cli.getSecSessionObj());
            CFSecurityAuthorization auth = new CFSecurityAuthorization();
            auth.setSecCluster(cFAsteriskSchemaObj.getSecCluster());
            auth.setSecTenant(cFAsteriskSchemaObj.getSecTenant());
            auth.setSecSession(cFAsteriskSchemaObj.getSecSession());
            cFAsteriskSchemaObj.setAuthorization(auth);
            applyLoaderOptions(loader, args[0]);
            if (numArgs >= 5) {
                cli.evaluateRemainingArgs(args, 5);
            } else {
                cli.evaluateRemainingArgs(args, 2);
            }
            loader.parseFile(url);
            cFAsteriskSchema.commit();
            cFAsteriskSchema.disconnect(true);
        } catch (Exception e) {
            log.message(S_ProcName + "EXCEPTION: Could not parse XML file \"" + url + "\": " + e.getMessage());
            e.printStackTrace(System.out);
        } catch (Error e) {
            log.message(S_ProcName + "ERROR: Could not parse XML file \"" + url + "\": " + e.getMessage());
            e.printStackTrace(System.out);
        } finally {
            if (cFAsteriskSchema.isConnected()) {
                cFAsteriskSchema.rollback();
                cFAsteriskSchema.disconnect(false);
            }
        }
    } else {
        log.message(S_ProcName
                + "ERROR: Expected at least two argument specifying the loader options and the name of the XML file to parse.  The first argument may be empty.");
    }
}