Example usage for java.net NetworkInterface getInetAddresses

Introduction

In this page you can find the example usage for java.net NetworkInterface getInetAddresses.

Prototype

public Enumeration<InetAddress> getInetAddresses() 

Source Link

Document

Get an Enumeration with all or a subset of the InetAddresses bound to this network interface.

Usage

From source file:edu.usc.pgroup.floe.utils.Utils.java

/**
 * returns the canonical host name. This assumes a unique host name for
 * each machine in the cluster does not apply.
 * FixMe: In local cloud environment (local eucalyptus in system mode)
 * where the DNS server is not running, this might be an issue.
 * @return The first IPv4 address found for any interface that is up and
 * running.//from   w  w w .  j  av a 2s  .  co m
 */
public static String getIpAddress() {
    String ip = null;
    try {
        Enumeration<NetworkInterface> interfaces = NetworkInterface.getNetworkInterfaces();
        LOGGER.error("Getting ip");

        while (interfaces.hasMoreElements()) {
            LOGGER.error("Next iface");
            NetworkInterface current = interfaces.nextElement();
            if (!current.isUp() || current.isLoopback() || current.isVirtual()) {
                continue;
            }
            Enumeration<InetAddress> addresses = current.getInetAddresses();
            while (addresses.hasMoreElements()) {
                InetAddress currentAddr = addresses.nextElement();
                if (currentAddr.isLoopbackAddress() || (currentAddr instanceof Inet6Address)) {
                    continue;
                }
                ip = currentAddr.getHostAddress();
            }
        }
    } catch (SocketException e) {
        LOGGER.error("Error occurred while retrieving hostname" + e.getMessage());
        throw new RuntimeException("Error occurred while " + "retrieving hostname" + e.getMessage());
    }
    return ip;
}

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From source file:org.brandroid.openmanager.fragments.DialogHandler.java

private static String getNetworkInterfaces() {
    String ret = "IP Address:";
    try {/* w  w  w .j  a  v  a  2  s.c o  m*/
        for (Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en
                .hasMoreElements();) {
            NetworkInterface ni = en.nextElement();
            for (Enumeration<InetAddress> enumIP = ni.getInetAddresses(); enumIP.hasMoreElements();) {
                InetAddress ip = enumIP.nextElement();
                if (!ip.isLoopbackAddress())
                    ret += " " + ip.getHostAddress();
            }
        }
    } catch (SocketException e) {
        Logger.LogError("Couldn't get Network Interfaces", e);
    }
    ret += "\n";
    return ret;
}

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From source file:com.git.original.common.utils.IPUtils.java

/**
 * ?IP?/*from  w w w  . j  a v a2 s  .  c  om*/
 * <p>
 * :<br/>
 * 1. 220.xxx.xxx.xxx<br>
 * 2. 123.xxx.xxx.xxx<br>
 * other<br>
 * 
 * @return
 * @throws SocketException
 *             If an I/O error occurs.
 * @throws NullPointerException
 *             can not found the interface
 * @throws RuntimeException
 *             can not get net address
 */
public static InetAddress getWANIpv4Address(String interfaceName)
        throws SocketException, NullPointerException, RuntimeException {

    InetAddress ipStartWith123 = null;
    InetAddress ipv4Addr = null;

    if (StringUtils.isNotEmpty(interfaceName)) {
        // ?
        NetworkInterface netInterface = NetworkInterface.getByName(interfaceName.trim());
        if (netInterface == null) {
            throw new NullPointerException("can not found the network interface by name: " + interfaceName);
        }

        Enumeration<InetAddress> addrEnum = netInterface.getInetAddresses();
        while (addrEnum.hasMoreElements()) {
            InetAddress addr = addrEnum.nextElement();
            String hostAddr = addr.getHostAddress();

            if (hostAddr.startsWith("220.")) {
                return addr;
            } else if (ipStartWith123 == null && hostAddr.startsWith("123.")) {
                ipStartWith123 = addr;
            } else if (addr instanceof Inet4Address) {
                ipv4Addr = addr;
            }
        }
    } else {
        /*
         * ???
         */
        Enumeration<NetworkInterface> interfaceEnum = NetworkInterface.getNetworkInterfaces();
        while (interfaceEnum.hasMoreElements()) {
            NetworkInterface netInterface = interfaceEnum.nextElement();
            if (netInterface.isLoopback() || !netInterface.isUp()) {
                continue;
            }

            Enumeration<InetAddress> addrEnum = netInterface.getInetAddresses();
            while (addrEnum.hasMoreElements()) {
                InetAddress addr = addrEnum.nextElement();
                String hostAddr = addr.getHostAddress();

                if (hostAddr.startsWith("220.")) {
                    return addr;
                } else if (ipStartWith123 == null && hostAddr.startsWith("123.")) {
                    ipStartWith123 = addr;
                } else if (addr instanceof Inet4Address) {
                    ipv4Addr = addr;
                }
            }
        }
    }

    if (ipStartWith123 != null) {
        return ipStartWith123;
    } else if (ipv4Addr != null) {
        return ipv4Addr;
    }

    throw new RuntimeException("can not get WAN Address");
}

---

From source file:com.sentaroh.android.SMBSync2.CommonUtilities.java

public static String getIfIpAddress() {
    String result = "";
    try {//  w  ww . ja  va2s .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();
                //                  Log.v("","ip="+inetAddress.getHostAddress());
                if (!inetAddress.isLoopbackAddress() && (inetAddress.getHostAddress().startsWith("0")
                        || inetAddress.getHostAddress().startsWith("1")
                        || inetAddress.getHostAddress().startsWith("2"))) {
                    result = inetAddress.getHostAddress();
                    break;
                }
            }
        }
    } catch (SocketException ex) {
        Log.e(APPLICATION_TAG, ex.toString());
        result = "192.168.0.1";
    }
    //      Log.v("","getIfIpAddress result="+result);
    if (result.equals(""))
        result = "192.168.0.1";
    return result;
}

---

From source file:org.apache.axis2.util.Utils.java

/**
* Returns the ip address to be used for the replyto epr
* CAUTION:/*from w w  w  . jav a  2  s  .  c  om*/
* This will go through all the available network interfaces and will try to return an ip address.
* First this will try to get the first IP which is not loopback address (127.0.0.1). If none is found
* then this will return this will return 127.0.0.1.
* This will <b>not<b> consider IPv6 addresses.
* <p/>
* TODO:
* - Improve this logic to genaralize it a bit more
* - Obtain the ip to be used here from the Call API
*
* @return Returns String.
* @throws java.net.SocketException
 */
public static String getIpAddress() throws SocketException {
    Enumeration e = NetworkInterface.getNetworkInterfaces();
    String address = "127.0.0.1";

    while (e.hasMoreElements()) {
        NetworkInterface netface = (NetworkInterface) e.nextElement();
        Enumeration addresses = netface.getInetAddresses();

        while (addresses.hasMoreElements()) {
            InetAddress ip = (InetAddress) addresses.nextElement();
            if (!ip.isLoopbackAddress() && isIP(ip.getHostAddress())) {
                return ip.getHostAddress();
            }
        }
    }

    return address;
}

---

From source file:com.clustercontrol.agent.Agent.java

public static AgentInfo getAgentInfo() {
    // IP???????agentInfo??????
    if (ReceiveTopic.isReloadFlg()) {
        return agentInfo;
    }//from  www  .  j a v a 2 s .c o  m

    agentInfo.setFacilityId(AgentProperties.getProperty("facilityId"));
    String instanceId = AgentProperties.getProperty("instanceId");
    if (instanceId == null) {
        instanceId = "";
    }
    agentInfo.setInstanceId(instanceId);

    // OS(?????IP)
    try {
        // ???
        String hostname = System.getProperty("hostname");
        m_log.debug("hostname=[" + hostname + "]");
        agentInfo.setHostname(hostname);

        // IP?
        Enumeration<NetworkInterface> networkInterfaces = NetworkInterface.getNetworkInterfaces();
        ArrayList<String> newIpAddressList = new ArrayList<String>();
        if (null != networkInterfaces) {
            while (networkInterfaces.hasMoreElements()) {
                NetworkInterface ni = networkInterfaces.nextElement();
                Enumeration<InetAddress> inetAddresses = ni.getInetAddresses();
                while (inetAddresses.hasMoreElements()) {
                    InetAddress in = inetAddresses.nextElement();
                    String hostAddress = in.getHostAddress();
                    if (hostAddress != null && !hostAddress.equals("127.0.0.1")
                            && !hostAddress.startsWith("0:0:0:0:0:0:0:1") && !hostAddress.equals("::1")) {
                        newIpAddressList.add(hostAddress);
                    }
                }
            }
        }
        if (agentInfo.getIpAddress().size() != newIpAddressList.size()) {
            m_log.info("ipAddress change : " + agentInfo.getIpAddress().size() + "," + newIpAddressList.size());
            agentInfo.getIpAddress().clear();
            agentInfo.getIpAddress().addAll(newIpAddressList);
            ReceiveTopic.setReloadFlg(true);
        } else {
            if (!agentInfo.getIpAddress().containsAll(newIpAddressList)) {
                m_log.info("ipAddress change");
                agentInfo.getIpAddress().clear();
                agentInfo.getIpAddress().addAll(newIpAddressList);
                ReceiveTopic.setReloadFlg(true);
            }
        }
    } catch (SocketException e) {
        m_log.error(e, e);
    }
    agentInfo.setInterval(ReceiveTopic.getTopicInterval());

    m_log.debug(getAgentStr());

    return agentInfo;
}

---

From source file:com.sentaroh.android.SMBSync2.CommonUtilities.java

public static String getLocalIpAddress() {
    String result = "";
    boolean exit = false;
    try {//  w w  w .j a  va 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() && !(inetAddress.toString().indexOf(":")>=0)) {
                //                       return inetAddress.getHostAddress().toString();
                //                   }
                //                  Log.v("","ip="+inetAddress.getHostAddress()+
                //                        ", name="+intf.getName());
                if (inetAddress.isSiteLocalAddress()) {
                    result = inetAddress.getHostAddress();
                    //                       Log.v("","result="+result+", name="+intf.getName()+"-");
                    if (intf.getName().equals("wlan0")) {
                        exit = true;
                        break;
                    }
                }
            }
            if (exit)
                break;
        }
    } catch (SocketException ex) {
        Log.e(APPLICATION_TAG, ex.toString());
        result = "192.168.0.1";
    }
    //      Log.v("","getLocalIpAddress result="+result);
    if (result.equals(""))
        result = "192.168.0.1";
    return result;
}

---

From source file:com.petalmd.armor.AbstractUnitTest.java

public static String getNonLocalhostAddress() {
    try {/*from  w ww  .  j av  a2s  . c  om*/
        for (final Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces(); en
                .hasMoreElements();) {
            final NetworkInterface intf = en.nextElement();

            if (intf.isLoopback() || !intf.isUp()) {
                continue;
            }

            for (final Enumeration<InetAddress> enumIpAddr = intf.getInetAddresses(); enumIpAddr
                    .hasMoreElements();) {

                final InetAddress ia = enumIpAddr.nextElement();

                if (ia.isLoopbackAddress() || ia instanceof Inet6Address) {
                    continue;
                }

                return ia.getHostAddress();
            }
        }
    } catch (final SocketException e) {
        throw new RuntimeException(e);

    }

    System.out.println("ERROR: No non-localhost address available, will use localhost");
    return "localhost";
}

---

From source file:com.flexive.shared.stream.FxStreamUtils.java

/**
 * Probe all network interfaces and return the most suited to run a StreamServer on.
 * Preferred are interfaces that are not site local.
 *
 * @return best suited host to run a StreamServer
 * @throws UnknownHostException on errors
 *///from w  ww. j  a  va2 s  . c om
public static InetAddress probeNetworkInterfaces() throws UnknownHostException {
    try {
        final String forcedAddress = System.getProperty("FxStreamIP");
        if (forcedAddress != null) {
            try {
                InetAddress ad = InetAddress.getByName(forcedAddress);
                LOG.info("Binding [fleXive] streamserver to forced address [" + forcedAddress + "] ...");
                return ad;
            } catch (UnknownHostException e) {
                LOG.error("Forced [fleXive] streamserver bind address [" + forcedAddress + "] can not be used: "
                        + e.getMessage() + " - probing available network interfaces ...");
            }
        }
        Enumeration<NetworkInterface> nifs = NetworkInterface.getNetworkInterfaces();
        NetworkInterface nif;
        InetAddress preferred = null, fallback = null;
        while (nifs.hasMoreElements()) {
            nif = nifs.nextElement();
            if (LOG.isDebugEnabled())
                LOG.debug("Probing " + nif.getDisplayName() + " ...");
            if (nif.getDisplayName().startsWith("vmnet") || nif.getDisplayName().startsWith("vnet"))
                continue;
            Enumeration<InetAddress> inas = nif.getInetAddresses();
            while (inas.hasMoreElements()) {
                InetAddress na = inas.nextElement();
                if (LOG.isDebugEnabled())
                    LOG.debug("Probing " + nif.getDisplayName() + na);
                if (!(na instanceof Inet4Address))
                    continue;
                if (!na.isLoopbackAddress() && na.isReachable(1000)) {
                    if (preferred == null || (preferred.isSiteLocalAddress() && !na.isSiteLocalAddress()))
                        preferred = na;
                }
                if (fallback == null && na.isLoopbackAddress())
                    fallback = na;
            }
        }
        if (LOG.isDebugEnabled())
            LOG.debug("preferred: " + preferred + " fallback: " + fallback);
        if (preferred != null)
            return preferred;
        if (fallback != null)
            return fallback;
        return InetAddress.getLocalHost();
    } catch (Exception e) {
        return InetAddress.getLocalHost();
    }
}

---

From source file:com.mozilla.SUTAgentAndroid.SUTAgentAndroid.java

public static InetAddress getLocalInetAddress() throws SocketException {
    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()
                    && InetAddressUtils.isIPv4Address(inetAddress.getHostAddress())) {
                return inetAddress;
            }// ww w  .j a  v a2 s .  c  o  m
        }
    }

    return null;
}

---

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