Java Utililty Methods IP Address Get

List of utility methods to do IP Address Get

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Description

The list of methods to do IP Address Get are organized into topic(s).

Method

StringgetIp()
Returns the public IP if one isn't specified in the machine.ip System property 
if (System.getProperty("machine.ip") != null) {
    return System.getProperty("machine.ip");
try (BufferedReader br = new BufferedReader(
        new InputStreamReader(new URL(IP_PROVIDER).openConnection().getInputStream()))) {
    String ip;
    if ((ip = br.readLine()) != null) {
        return ip;
...
StringgetIP()
get IP 
String ipAddress = null;
Enumeration<NetworkInterface> net = null;
try {
    net = NetworkInterface.getNetworkInterfaces();
} catch (SocketException e) {
    throw new RuntimeException(e);
while (net.hasMoreElements()) {
...
StringgetIp()
get Ip 
String localip = null;
String netip = null;
try {
    Enumeration<NetworkInterface> netInterfaces = NetworkInterface.getNetworkInterfaces();
    InetAddress ip = null;
    boolean finded = false;
    while (netInterfaces.hasMoreElements() && !finded) {
        NetworkInterface ni = netInterfaces.nextElement();
...
byte[]getIpAddress()
get Ip Address 
try {
    return getLocalHost().getAddress();
} catch (Exception e) {
    return new byte[] { 0, 0, 0, 0 };
StringgetIPAddress()
This function is used to get IP Address of the host machine. 
try {
    final NetworkInterface niEth0 = NetworkInterface.getByName("eth0");
    final NetworkInterface niWlan0 = NetworkInterface.getByName("wlan0");
    if (niEth0 != null) {
        for (Enumeration en = niEth0.getInetAddresses(); en.hasMoreElements();) {
            final InetAddress addr = (InetAddress) en.nextElement();
            if (addr instanceof Inet4Address) {
                return addr.getHostAddress();
...
StringgetIpAddress()
get Ip Address 
String rtip = "unknown.host";
try {
    Enumeration<NetworkInterface> allNetInterfaces = NetworkInterface.getNetworkInterfaces();
    InetAddress ip = null;
    while (allNetInterfaces.hasMoreElements()) {
        NetworkInterface netInterface = (NetworkInterface) allNetInterfaces.nextElement();
        if (netInterface.isLoopback() || netInterface.isVirtual() || !netInterface.isUp()) {
            continue;
...
StringgetIpAddress()
get Ip Address 
String ipAddress = "";
try {
    Socket socket = new Socket("google.com", 80);
    InetAddress inetAddress = socket.getLocalAddress();
    if (inetAddress != null) {
        ipAddress = inetAddress.getHostAddress();
} catch (Exception e) {
...
StringgetIpAddress()
get Ip Address 
InetAddress address = InetAddress.getLocalHost();
return address.getHostAddress();
StringgetIpAddress()
get Ip Address 
String hostaddress = "localhost";
try {
    Enumeration<NetworkInterface> e = NetworkInterface.getNetworkInterfaces();
    while (e.hasMoreElements()) {
        NetworkInterface n = e.nextElement();
        Enumeration<InetAddress> ee = n.getInetAddresses();
        while (ee.hasMoreElements()) {
            InetAddress i = ee.nextElement();
...
StringgetIpAddress()
get Ip Address 
try {
    return InetAddress.getLocalHost().getHostAddress();
} catch (UnknownHostException e) {
    return null;