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:edu.ku.brc.specify.utilapps.RegProcEntry.java

private void discoverHostName() {
    if (hostName == null) {
        String ip = props.getProperty("ip");
        if (ip == null) {
            ip = "";
            hostName = "";
            props.put("hostname", hostName);
        } else {//from   ww  w.  ja v a2 s  .  com
            hostName = ipHash.get(ip);
        }
        if (hostName == null) {
            try {
                InetAddress addr = InetAddress.getByName(ip);
                hostName = addr.getHostName();
                ipHash.put(ip, hostName);

            } catch (UnknownHostException e) {
                e.printStackTrace();
            }
        }
        props.put("hostname", hostName);
    }
}

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From source file:de.iai.ilcd.configuration.ConfigurationService.java

private void confNodeInfo() {
    String detectedHostName = null;
    try {//from   ww  w. j  a  va 2 s .co m
        InetAddress inetAddress = InetAddress.getLocalHost();
        detectedHostName = inetAddress.getHostName();
    } catch (UnknownHostException e) {
        this.logger.error("Could not detect hostname", e);
    }

    String configuredHostName = this.fileConfig.getString("service.url.hostname");
    int port = this.fileConfig.getInteger("service.url.port", 80);

    String hostName;

    if (configuredHostName != null) {
        hostName = configuredHostName;
    } else {
        hostName = detectedHostName;
    }

    try {
        URI newUri = new URI("http", null, hostName, (port == 80 ? -1 : port), this.contextPath, null, null);
        this.logger.info("application base URI: " + newUri.toString());
        this.baseURI = newUri;
        this.nodeInfo.setBaseURL(newUri.toString() + "/resource/");
    } catch (URISyntaxException e) {
        throw new RuntimeException("FATAL ERROR: could not determine base URL for service interface", e);
    }

    try {
        this.nodeInfo.setNodeID(this.fileConfig.getString("service.node.id"));
    } catch (Exception e) {
        this.logger.error("Cannot set nodeid from configuration file", e);
    }
    try {
        this.nodeInfo.setName(this.fileConfig.getString("service.node.name"));
    } catch (Exception e) {
        this.logger.error("Cannot set nodename from configuration file", e);
    }

    this.nodeInfo.setOperator(this.fileConfig.getString("service.node.operator"));
    this.nodeInfo.setDescription(this.fileConfig.getString("service.node.description"));

    // override baseURL only if it is explicitly set in the configuration file
    if (this.fileConfig.getString("service.node.baseURL") != null) {
        String url = this.fileConfig.getString("service.node.baseURL");
        if (!url.endsWith("/"))
            url += "/";
        this.nodeInfo.setBaseURL(url);
    }

    this.nodeInfo.setAdminName(this.fileConfig.getString("service.admin.name"));
    this.nodeInfo.setAdminEMail(this.fileConfig.getString("service.admin.email"));
    this.nodeInfo.setAdminPhone(this.fileConfig.getString("service.admin.phone"));
    this.nodeInfo.setAdminWWW(this.fileConfig.getString("service.admin.www"));

}

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From source file:net.lightbody.bmp.proxy.jetty.http.ajp.AJP13Listener.java

/**
 * Handle Job. Implementation of ThreadPool.handle(), calls
 * handleConnection./*from   www. j av  a 2 s. c om*/
 * 
 * @param socket
 *            A Connection.
 */
public void handleConnection(Socket socket) throws IOException {
    // Check acceptable remote servers
    if (_remoteServers != null && _remoteServers.length > 0) {
        boolean match = false;
        InetAddress inetAddress = socket.getInetAddress();
        String hostAddr = inetAddress.getHostAddress();
        String hostName = inetAddress.getHostName();
        for (int i = 0; i < _remoteServers.length; i++) {
            if (hostName.equals(_remoteServers[i]) || hostAddr.equals(_remoteServers[i])) {
                match = true;
                break;
            }
        }
        if (!match) {
            log.warn("AJP13 Connection from un-approved host: " + inetAddress);
            return;
        }
    }

    // Handle the connection
    socket.setTcpNoDelay(true);
    socket.setSoTimeout(getMaxIdleTimeMs());
    AJP13Connection connection = createConnection(socket);
    try {
        connection.handle();
    } finally {
        connection.destroy();
    }
}

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From source file:nl.vu.psy.rite.Rite.java

private Rite() {

    version = Rite.class.getPackage().getImplementationVersion();
    StringTokenizer st = null;/*from   www . j a v  a  2s  .c om*/
    if (version != null) {
        st = new StringTokenizer(version, "_");
    } else {
        st = new StringTokenizer("");
        version = "undetermined";
    }
    System.out.println();
    System.out.println("+-++-++-++-+");
    System.out.print("|R||i||t||e|");
    if (version != null && st.countTokens() >= 2) {
        System.out.print(" version: " + st.nextToken() + " build " + st.nextToken() + "\n");
    } else {
        System.out.print(" version: " + version + "\n");
    }
    System.out.println("+-++-++-++-+");
    System.out.println();
    properties = new Properties();
    try {
        properties.load(new FileInputStream(new File(PROPERTIES)));
    } catch (Exception e1) {
        // Absorb
        System.out.println(
                "Could not read properties files. Assuming programmed default values for client settings.");

    }

    identifier = getProperty(PropertyKeys.ID);
    System.out.println("Rite identifier: " + identifier);

    startDate = new Date();
    long appLife = Long.parseLong(getProperty(PropertyKeys.LIFETIME));
    endDate = new Date(startDate.getTime() + appLife);

    System.out.println("Application start time: " + TimeStamp.dateToString(startDate));
    System.out.println("Configured application end time: " + TimeStamp.dateToString(endDate));

    System.out.println("Setting up file cache...");
    // TODO make file cache optional
    // Set up file cache
    try {
        fileCache = new FileCache(getProperty(PropertyKeys.RELIC));
    } catch (RiteException e) {
        System.out.println("Could not set up file cache: " + e.getMessage());
        run = false;
    }

    // Initialize info struct
    System.out.println("Initializing client info...");
    ClientInfo info = new ClientInfo();
    info.setClientId(identifier);
    try {
        InetAddress addr = InetAddress.getLocalHost();
        String host = addr.getHostName();
        info.setClientHost(host);
    } catch (UnknownHostException e) {
        info.setClientHost("Unknown: " + e.getMessage());
    }
    info.setClientStart(startDate);
    info.setWorkingDirectory(new File(System.getProperty("user.dir")));

    System.out.println("Configuring host connection...");
    rh = null;
    try {
        boolean listfiles = Boolean.parseBoolean(getProperty(PropertyKeys.LISTFILES));
        rh = new Host(getProperty(PropertyKeys.HOST), info, listfiles);
    } catch (RiteException e) {
        System.out.println("Could not connect to the rite host: " + e.getMessage());
        run = false;
    }
    // Set up recipecooker
    recipeTimer = new Timer("recipeTimer", false);
    recipeCooker = new RecipeCooker();
    long tickRate = Long.parseLong(getProperty(PropertyKeys.TICK));
    recipeTimer.scheduleAtFixedRate(recipeCooker, 1000, tickRate);
}

---

From source file:info.pancancer.arch3.reporting.Arch3ReportImpl.java

@Override
public Map<String, String> getEnvironmentMap() {
    Map<String, String> env = new TreeMap<>();
    env.put("version", this.getClass().getPackage().getImplementationVersion());
    try {/*  w ww .ja v  a2 s.c  o m*/
        Constants constantsInstance = new Constants();
        Class constants = Class.forName("info.pancancer.arch3.utils.Constants");
        Field[] declaredFields = constants.getDeclaredFields();
        for (Field field : declaredFields) {
            if (field.getName().contains("PASSWORD")) {
                continue;
            }
            String settingKey = field.get(constantsInstance).toString();
            if (this.settings.containsKey(settingKey)) {
                env.put(settingKey, this.settings.getString(settingKey));
            }
        }
    } catch (ClassNotFoundException ex) {
        throw new RuntimeException(ex);
    } catch (IllegalArgumentException | IllegalAccessException ex) {
        throw new RuntimeException(ex);
    }

    try {
        // stolen from stack overflow
        URL whatismyip = new URL("http://checkip.amazonaws.com");
        String ip;
        try (BufferedReader in = new BufferedReader(
                new InputStreamReader(whatismyip.openStream(), StandardCharsets.UTF_8))) {
            ip = in.readLine(); // you get the IP as a String
        }
        // reverse ip address
        InetAddress addr = InetAddress.getByName(ip);
        env.put("canonical_host_name", addr.getCanonicalHostName());
        env.put("host_name", addr.getHostName());
    } catch (IOException e) {
        System.out.println("Could not lookup ip address of self");
    }

    return env;
}

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From source file:com.googlecode.jmxtrans.model.output.OpenTSDBGenericWriterTests.java

/**
 * Confirm operation when the host tag is enabled, but the local hostname is not known.
 *///from  ww w . j  ava 2 s.  c  o  m
@Test
@Ignore("issue with classloader used by powermockito and the securityManager which use ClassLoader.getResource")
public void testNullHostTagname() throws Exception {
    // Prepare.
    InetAddress mockInetAddress = Mockito.mock(InetAddress.class);
    PowerMockito.mockStatic(InetAddress.class);
    PowerMockito.when(InetAddress.getLocalHost()).thenReturn(mockInetAddress);
    Mockito.when(mockInetAddress.getHostName()).thenReturn(null);
    OpenTSDBGenericWriter writer = createWriter("addHostnameTag", true);

    // Execute.
    writer.start();
    writer.doWrite(null, this.mockQuery, ImmutableList.of(this.mockResult));

    // Validate.
    Assert.assertFalse(this.tvMetricLinesSent.get(0).matches(".*\\bhost=.*")); // Ensure host tag is excluded
}

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From source file:com.jkoolcloud.tnt4j.utils.Utils.java

/**
 * Resolves the specified IP Address to a host name. If no IP Address is
 * given, then resolves local host name.
 *
 * @param hostIp//from w  w  w .  j  a  va 2  s .  c o  m
 *            host IP Address to resolve
 * @return host name
 */
public static String resolveAddressToHostName(byte[] hostIp) {
    String hostName = null;
    InetAddress host;
    try {
        if (hostIp == null || hostIp.length == 0)
            host = InetAddress.getLocalHost();
        else
            host = InetAddress.getByAddress(hostIp);

        hostName = host.getHostName();
    } catch (UnknownHostException e) {
    }

    return hostName;
}

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From source file:de.fischer.thotti.core.runner.NDRunner.java

public String getHostname() {
    try {/*from  www . jav a2s . c o m*/
        InetAddress localMachine = InetAddress.getLocalHost();

        return localMachine.getHostName();
    } catch (java.net.UnknownHostException uhe) {
        return null;
    }
}

---

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

/**
 * Gets first project to which the host possessing the given IP address is a
 * member.//from w w  w.ja  va 2  s  .  co m
 *
 * @param  addr  IP address.
 *
 * @return  First project to which the client at the given IP address is a
 * member.
 *
 * @throws  UnauthorizedClientException  If given client is not a member of
 * any projects.
 */
private ProjectConfig getProject(final InetAddress addr) throws UnauthorizedClientException {
    final Set<ProjectConfig> projects = new HashSet<ProjectConfig>();

    // Add projects that contain the given client by host or IP address
    projects.addAll(configManager.findProjectsByClientName(addr.getHostAddress()));
    projects.addAll(configManager.findProjectsByClientName(addr.getHostName()));
    if (projects.size() > 0) {
        return projects.iterator().next();
    } else {
        throw new UnauthorizedClientException(addr,
                String.format("%s not registered with any projects.", addr));
    }
}

---

From source file:org.smartfrog.avalanche.client.sf.apps.gt4.security.GridSecurity.java

public void reqHostCert(String hostName, Properties props) throws GT4SecurityException {
    try {/*  w w  w  .  j  ava2s  .  co m*/
        if (null == hostName) {
            log.info("Host name is not provided... ");
            log.info("Getting host name from the system...");
            InetAddress addr = InetAddress.getLocalHost();
            String hostname = addr.getHostName();
        }
    } catch (UnknownHostException ue) {
        log.info(ue);
        throw new GT4SecurityException("Error getting hostname...", ue);
    }

    if (null == props) {
        props = new Properties();
    }
    props.setProperty("-host", hostName);

    CertUtils utils = new CertUtils(globusLoc);
    //utils.gridCertReq(props);      
    utils.gridCertReq(props, null);
}

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