Example usage for java.net InetAddress isLoopbackAddress

Introduction

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

Prototype

public boolean isLoopbackAddress() 

Source Link

Document

Utility routine to check if the InetAddress is a loopback address.

Usage

From source file:org.apache.carbondata.core.dictionary.service.AbstractDictionaryServer.java

public String findLocalIpAddress(Logger LOGGER) {
    try {/*w  w  w.  ja  v a 2  s .co m*/
        String defaultIpOverride = System.getenv("SPARK_LOCAL_IP");
        if (defaultIpOverride != null) {
            return defaultIpOverride;
        } else {
            InetAddress address = InetAddress.getLocalHost();
            if (address.isLoopbackAddress()) {
                // Address resolves to something like 127.0.1.1, which happens on Debian; try to find
                // a better address using the local network interfaces
                // getNetworkInterfaces returns ifs in reverse order compared to ifconfig output order
                // on unix-like system. On windows, it returns in index order.
                // It's more proper to pick ip address following system output order.
                Enumeration<NetworkInterface> activeNetworkIFs = NetworkInterface.getNetworkInterfaces();
                List<NetworkInterface> reOrderedNetworkIFs = new ArrayList<NetworkInterface>();
                while (activeNetworkIFs.hasMoreElements()) {
                    reOrderedNetworkIFs.add(activeNetworkIFs.nextElement());
                }

                if (!SystemUtils.IS_OS_WINDOWS) {
                    Collections.reverse(reOrderedNetworkIFs);
                }

                for (NetworkInterface ni : reOrderedNetworkIFs) {
                    Enumeration<InetAddress> inetAddresses = ni.getInetAddresses();
                    while (inetAddresses.hasMoreElements()) {
                        InetAddress addr = inetAddresses.nextElement();
                        if (!addr.isLinkLocalAddress() && !addr.isLoopbackAddress()
                                && addr instanceof Inet4Address) {
                            // We've found an address that looks reasonable!
                            LOGGER.warn("Your hostname, " + InetAddress.getLocalHost().getHostName()
                                    + " resolves to a loopback address: " + address.getHostAddress()
                                    + "; using " + addr.getHostAddress() + " instead (on interface "
                                    + ni.getName() + ")");
                            LOGGER.warn("Set SPARK_LOCAL_IP if you need to bind to another address");
                            return addr.getHostAddress();
                        }
                    }
                    LOGGER.warn("Your hostname, " + InetAddress.getLocalHost().getHostName()
                            + " resolves to a loopback address: " + address.getHostAddress()
                            + ", but we couldn't find any external IP address!");
                    LOGGER.warn("Set SPARK_LOCAL_IP if you need to bind to another address");
                }
            }
            return address.getHostAddress();
        }
    } catch (UnknownHostException e) {
        LOGGER.error("do not get local host address:" + e.getMessage(), e);
        throw new RuntimeException(e);
    } catch (SocketException e) {
        LOGGER.error("do not get net work interface:" + e.getMessage(), e);
        throw new RuntimeException(e);
    }
}

---

From source file:com.webtide.jetty.load.generator.web.MonitorServlet.java

private boolean isLoopbackAddress(String address) {
    try {/*from w  w  w .  j av  a 2 s.c  o m*/
        InetAddress addr = InetAddress.getByName(address);
        return addr.isLoopbackAddress();
    } catch (UnknownHostException e) {
        LOG.warn("Warning: attempt to access statistics servlet from " + address, e);
        return false;
    }
}

---

From source file:at.alladin.rmbt.shared.Helperfunctions.java

public static String IpType(InetAddress inetAddress) {
    try {//w w  w .  j  a v  a  2 s  .  co  m
        final String ipVersion;
        if (inetAddress instanceof Inet4Address)
            ipVersion = "ipv4";
        else if (inetAddress instanceof Inet6Address)
            ipVersion = "ipv6";
        else
            ipVersion = "ipv?";

        if (inetAddress.isAnyLocalAddress())
            return "wildcard_" + ipVersion;
        if (inetAddress.isSiteLocalAddress())
            return "site_local_" + ipVersion;
        if (inetAddress.isLinkLocalAddress())
            return "link_local_" + ipVersion;
        if (inetAddress.isLoopbackAddress())
            return "loopback_" + ipVersion;
        return "public_" + ipVersion;

    } catch (final IllegalArgumentException e) {
        return "illegal_ip";
    }
}

---

From source file:com.motelabs.chromemote.bridge.MainActivity.java

private String getLocalIpAddress() {
    try {//from w ww .  j a v  a2  s  .  c  o  m
        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())) {
                    String ipAddr = inetAddress.getHostAddress();
                    return ipAddr;
                }
            }
        }
    } catch (SocketException ex) {
        //Log.d(TAG, ex.toString());
    }
    return null;
}

---

From source file:org.apache.metron.enrichment.adapters.geo.GeoAdapter.java

@SuppressWarnings("unchecked")
@Override/*from ww w  .ja va2  s.c o m*/
public JSONObject enrich(CacheKey value) {
    JSONObject enriched = new JSONObject();
    if (!resetConnectionIfNecessary()) {
        _LOG.error(
                "Enrichment failure, cannot maintain a connection to JDBC.  Please check connection.  In the meantime, I'm not enriching.");
        return enriched;
    }
    try {
        InetAddress addr = InetAddress.getByName(value.getValue(String.class));
        if (addr.isAnyLocalAddress() || addr.isLoopbackAddress() || addr.isSiteLocalAddress()
                || addr.isMulticastAddress()
                || !ipvalidator.isValidInet4Address(value.getValue(String.class))) {
            return new JSONObject();
        }
        String locidQuery = "select IPTOLOCID(\"" + value.getValue() + "\") as ANS";
        ResultSet resultSet = statement.executeQuery(locidQuery);
        String locid = null;
        if (resultSet.next()) {
            locid = resultSet.getString("ANS");
        }
        resultSet.close();
        if (locid == null)
            return new JSONObject();
        String geoQuery = "select * from location where locID = " + locid;
        resultSet = statement.executeQuery(geoQuery);
        if (resultSet.next()) {
            enriched.put("locID", resultSet.getString("locID"));
            enriched.put("country", resultSet.getString("country"));
            enriched.put("city", resultSet.getString("city"));
            enriched.put("postalCode", resultSet.getString("postalCode"));
            enriched.put("latitude", resultSet.getString("latitude"));
            enriched.put("longitude", resultSet.getString("longitude"));
            enriched.put("dmaCode", resultSet.getString("dmaCode"));
            enriched.put("location_point", enriched.get("latitude") + "," + enriched.get("longitude"));
        }
        resultSet.close();
    } catch (Exception e) {
        _LOG.error("Enrichment failure: " + e.getMessage(), e);
        return new JSONObject();
    }
    return enriched;
}

---

From source file:org.apache.metron.enrichment.adapters.geo.GeoLiteDatabase.java

private boolean isIneligibleAddress(String ipStr, InetAddress addr) {
    return addr.isAnyLocalAddress() || addr.isLoopbackAddress() || addr.isSiteLocalAddress()
            || addr.isMulticastAddress() || !ipvalidator.isValidInet4Address(ipStr);
}

---

From source file:org.smartfrog.test.unit.net.BasicNetworkingTest.java

/**
 * this only valid in an IPv6 context/*from  w w w .  ja v a  2  s .com*/
 * @throws UnknownHostException network problems
 */
public void testIPv6() throws UnknownHostException {
    InetAddress addr;
    addr = InetAddress.getByName("::1");
    logAddr("IPv6", addr);
    assertTrue(addr.isLoopbackAddress());
}

---

From source file:com.castlemock.web.basis.web.mvc.controller.AbstractController.java

/**
 * The method returns the local address (Not link local address, not loopback address) which the server is deployed on.
 * If the method does not find any INet4Address that is neither link local address and loopback address, the method
 * will return the the address 127.0.0.1
 * @return Returns the local address or 127.0.0.1 if no address was found
 * @throws SocketException Upon failing to extract network interfaces
 *///from   ww  w  .  j  av  a 2s  .c om
public String getHostAddress() throws SocketException {
    if (endpointAddress != null && !endpointAddress.isEmpty()) {
        return endpointAddress;
    }

    final Enumeration<NetworkInterface> networkInterfaces = NetworkInterface.getNetworkInterfaces();
    while (networkInterfaces.hasMoreElements()) {
        final NetworkInterface networkInterface = networkInterfaces.nextElement();
        final Enumeration<InetAddress> addresses = networkInterface.getInetAddresses();
        while (addresses.hasMoreElements()) {
            final InetAddress address = addresses.nextElement();
            if (!address.isLinkLocalAddress() && !address.isLoopbackAddress()
                    && address instanceof Inet4Address) {
                return address.getHostAddress();
            }
        }
    }

    return LOCAL_ADDRESS;
}

---

From source file:org.mule.module.http.functional.listener.HttpListenerConfigFunctionalTestCase.java

private String getNonLocalhostIp() {
    try {/* w  ww . ja  va2s .c o m*/
        Enumeration<NetworkInterface> nets = NetworkInterface.getNetworkInterfaces();
        for (NetworkInterface networkInterface : Collections.list(nets)) {
            final Enumeration<InetAddress> inetAddresses = networkInterface.getInetAddresses();
            while (inetAddresses.hasMoreElements()) {
                InetAddress inetAddress = inetAddresses.nextElement();
                if (!inetAddress.isLoopbackAddress()
                        && IPADDRESS_PATTERN.matcher(inetAddress.getHostAddress()).find()) {
                    return inetAddress.getHostAddress();
                }
            }
        }
        throw new RuntimeException("Could not find network interface different from localhost");
    } catch (SocketException e) {
        throw new RuntimeException(e);
    }
}

---

From source file:org.smartfrog.test.unit.net.BasicNetworkingTest.java

/**
 * @throws UnknownHostException network problems
 *///from w  w w  . ja v  a2  s. co  m
public void testLoopback() throws UnknownHostException {
    InetAddress addr;
    addr = InetAddress.getByName(null);
    logAddr("loopback", addr);
    assertTrue(addr.isLoopbackAddress());
}

---

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