Example usage for java.net InetAddress getByName

List of usage examples for java.net InetAddress getByName

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Introduction

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

Prototype

public static InetAddress getByName(String host) throws UnknownHostException

Source Link

Document

Determines the IP address of a host, given the host's name.

Usage

From source file:at.tugraz.ist.akm.webservice.server.SimpleWebServer.java

public SimpleWebServer(Context context, WebserverProtocolConfig serverConfig, IHttpAccessCallback callback)
        throws Exception {
    mHttpAuthCallback = callback;/*  www  .j  a  va2 s  .com*/
    mContext = context;
    PowerManager pm = (PowerManager) mContext.getSystemService(Context.POWER_SERVICE);

    mWakeLock = pm.newWakeLock(PowerManager.PARTIAL_WAKE_LOCK, this.getClass().getName());
    WifiIpAddress wifiAddressReader = new WifiIpAddress(context);

    mSocketAddress = InetAddress.getByName(wifiAddressReader.readLocalIpAddress());
    wifiAddressReader.close();
    wifiAddressReader = null;

    setNewServerConfiguration(serverConfig);

    mLog.debug("building server for [" + mServerConfig.protocolName + "://" + mSocketAddress + ":"
            + mServerConfig.port + "]");
    readRequestHandlers();
    readRequestInterceptors();
}

From source file:com.netscape.cmsutil.util.Utils.java

public static void checkHost(String hostname) throws UnknownHostException {
    InetAddress.getByName(hostname);
}

From source file:MulticastClient.java

public void run() {
        while (moreQuotes) {
            try {
                byte[] buf = new byte[256];

                // construct quote
                String dString = null;
                if (in == null)
                    dString = new Date().toString();
                else
                    dString = getNextQuote();
                buf = dString.getBytes();

                // send it
                InetAddress group = InetAddress.getByName("230.0.0.1");
                DatagramPacket packet = new DatagramPacket(buf, buf.length, group, 4446);
                socket.send(packet);/*from www  . jav a 2s.c o  m*/

                // sleep for a while
                try {
                    sleep((long) (Math.random() * FIVE_SECONDS));
                } catch (InterruptedException e) {
                }
            } catch (IOException e) {
                e.printStackTrace();
                moreQuotes = false;
            }
        }
        socket.close();
    }

From source file:org.doxu.g2.gwc.crawler.CrawlThread.java

private InetAddress getIPAddress(URI uri) {
    try {//from w w  w  .  ja  va2 s .co m
        InetAddress address = InetAddress.getByName(uri.getHost());
        return address;
    } catch (UnknownHostException ex) {
        return null;
    }
}

From source file:com.jcraft.weirdx.XDMCP.java

void getLocalHost(String name) {
    myaddress = new byte[4];
    try {/*  w  w w  .j a  v  a  2  s  . c om*/
        InetAddress local;
        if (name != null && name.length() > 0) {
            local = InetAddress.getByName(name);
        } else {
            local = InetAddress.getLocalHost();
        }
        byte[] b = local.getHostAddress().getBytes();
        int bi = 0;
        for (int i = 0; i < 4; i++) {
            myaddress[i] = 0;
            while (bi < b.length && b[bi] != '.') {
                myaddress[i] = (byte) (myaddress[i] * 10 + (b[bi] - '0'));
                bi++;
            }
            if (b.length <= bi)
                break;
            bi++;
        }
    } catch (Exception e) {
        LOG.error(e);
    }
}

From source file:edu.vt.middleware.gator.log4j.SocketServerTest.java

/**
 * Tests connecting to the socket server and sending a logging event that
 * should be written to configured appenders.
 *
 * @throws  Exception  On errors.//  ww w. j  a  va2 s.c  o  m
 */
@Test
public void testConnectAndLog() throws Exception {
    final Socket sock = new Socket();
    try {
        final SocketAddress addr = new InetSocketAddress(InetAddress.getByName(server.getBindAddress()),
                server.getPort());
        sock.connect(addr, SOCKET_CONNECT_TIMEOUT);

        // Allow the socket server time to build the hierarchy
        // before sending a test logging event
        Thread.sleep(2000);

        Assert.assertEquals(1, server.getLoggingEventHandlers().size());
        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug("Sending test logging event.");
        }

        final LoggingEvent event = new LoggingEvent(TEST_CATEGORY, Logger.getLogger(TEST_CATEGORY), Level.DEBUG,
                TEST_MESSAGE, null);
        final ObjectOutputStream oos = new ObjectOutputStream(sock.getOutputStream());
        oos.writeObject(event);
        oos.flush();
    } finally {
        if (sock.isConnected()) {
            sock.close();
        }
    }

    // Pause to allow time for logging events to be written
    Thread.sleep(2000);

    // Client socket close should trigger cleanup of server handler mapping
    Assert.assertEquals(0, server.getLoggingEventHandlers().size());

    for (AppenderConfig appender : testProject.getAppenders()) {
        final String logFilePath = FileHelper.pathCat(CLIENT_ROOT_DIR, testProject.getName(),
                appender.getAppenderParam("file").getValue());
        final String contents = readTextFile(logFilePath);
        Assert.assertTrue(contents.contains(TEST_MESSAGE));
    }
}

From source file:com.webobjects.monitor.application.HostsPage.java

public WOComponent addHostClicked() {
    String nullOrError = null;//from  ww w . j  a v  a  2s .com

    if (newHostName != null && (newHostName.length() > 0)
            && (String_Extensions.isValidXMLString(newHostName))) {
        try {
            InetAddress anAddress = InetAddress.getByName(newHostName);

            handler().startWriting();
            try {
                if (newHostName.equalsIgnoreCase("localhost") || newHostName.equals("127.0.0.1")) {
                    // only allow this to happen if we have no other hosts!
                    if (!((siteConfig().hostArray() != null) && (siteConfig().hostArray().count() == 0))) {
                        // we're OK to add localhost.
                        nullOrError = "Hosts named localhost or 127.0.0.1 may not be added while other hosts are configured.";
                    }
                } else {
                    // this is for non-localhost hosts
                    // only allow this to happen if localhost/127.0.0.1
                    // doesn't already exist!
                    if (siteConfig().localhostOrLoopbackHostExists()) {
                        nullOrError = "Additional hosts may not be added while a host named localhost or 127.0.0.1 is configured.";
                    }
                }

                if ((nullOrError == null) && (siteConfig().hostWithAddress(anAddress) == null)) {
                    if (hostMeetsMinimumVersion(anAddress)) {

                        MHost host = new MHost(siteConfig(), newHostName, hostTypeSelection.toUpperCase());

                        // To avoid overwriting hosts
                        NSArray tempHostArray = new NSArray(siteConfig().hostArray());
                        siteConfig().addHost_M(host);

                        handler().sendOverwriteToWotaskd(host);

                        if (tempHostArray.count() != 0) {
                            handler().sendAddHostToWotaskds(host, tempHostArray);
                        }

                    } else {
                        mySession().addErrorIfAbsent("The wotaskd on " + newHostName
                                + " is an older version, please upgrade before adding...");
                    }

                } else {
                    if (nullOrError != null) {
                        mySession().addErrorIfAbsent(nullOrError);
                    } else {
                        mySession().addErrorIfAbsent("The host " + newHostName + " has already been added");
                    }
                }
            } finally {
                handler().endWriting();
            }
        } catch (UnknownHostException ex) {
            mySession().addErrorIfAbsent("ERROR: Cannot find IP address for hostname: " + newHostName);
        }
    } else {
        mySession().addErrorIfAbsent(newHostName + " is not a valid hostname");
    }
    newHostName = null;

    return HostsPage.create(context());
}

From source file:de.saly.elasticsearch.importer.imap.IMAPImporterCl.java

public static void start(Map<String, Object> settings, boolean embeddedMode) throws Exception {

    Settings.Builder builder = Settings.settingsBuilder();

    for (String key : settings.keySet()) {
        builder.put(key, String.valueOf(settings.get(key)));
    }/*from   w  ww. j a  v a2  s.  co m*/

    if (embeddedMode) {
        try {
            FileUtils.forceDelete(new File("./data"));
        } catch (Exception e) {
            //ignore
        }
        builder.put("path.home", ".");
        builder.put("node.local", true);
        builder.put("http.cors.enabled", true);
        builder.put("http.cors.allow-origin", "*");
        builder.put("cluster.name", "imap-embedded-" + System.currentTimeMillis());
        node = new PluginAwareNode(builder.build(),
                (Collection) Lists.newArrayList(MapperAttachmentsPlugin.class));
        node.start();
        client = node.client();
    } else {
        Settings eSettings = builder.build();
        client = new TransportClient.Builder().settings(eSettings).build();
        String[] hosts = eSettings.get("elasticsearch.hosts").split(",");

        for (int i = 0; i < hosts.length; i++) {
            String host = hosts[i];
            String hostOnly = host.split(":")[0];
            String portOnly = host.split(":")[1];
            System.out.println("Adding " + hostOnly + ":" + portOnly);
            ((TransportClient) client).addTransportAddress(new InetSocketTransportAddress(
                    InetAddress.getByName(hostOnly), Integer.parseInt(portOnly)));
        }
    }
    imap = new IMAPImporter(settings, client);
    imap.start();
}

From source file:com.eventsourcing.hlc.NTPServerTimeProvider.java

protected void setServers(String[] ntpServers) {
    servers = Arrays.asList(ntpServers).stream().map(server -> {
        try {/*w w  w .  j av  a 2s. co  m*/
            return InetAddress.getByName(server);
        } catch (UnknownHostException e) {
            return null;
        }
    }).filter(address -> address != null).collect(Collectors.toList());
}