Java Utililty Methods Host Address Get

List of utility methods to do Host Address Get

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Description

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

Method

StringgetHostAddress(boolean promiscuous)
Returns the string "127.0.0.1". 
String addr = "127.0.0.1";
try {
    if (JAVABRIDGE_PROMISCUOUS || promiscuous)
        addr = InetAddress.getLocalHost().getHostAddress();
} catch (UnknownHostException e) {
return addr;
StringgetHostAddress(final String name)
Return the local host address for a passed in host using java.net.InetAddress#getByName(String) 
return InetAddress.getByName(name).getHostAddress();
InetAddressgetHostAddress(String hostname)
Get the Inet address of the machine of the given host name. 
InetAddress serverIPAddress;
if (hostname != null && !hostname.isEmpty()) {
    serverIPAddress = InetAddress.getByName(hostname);
} else {
    serverIPAddress = InetAddress.getLocalHost();
return serverIPAddress;
InetAddressgetHostAddress(String hostPort)
Gets the host name from a host:port. 
String host = getHost(hostPort);
return (host == null) ? null : InetAddress.getByName(host);
InetAddress[]getHostAddresses()
get Host Addresses 
try {
    String hname = getHostName();
    if (hname == null) {
        return null;
    return InetAddress.getAllByName(hname);
} catch (Exception e) {
    return null;
...
String[]getHostAddresses()
get Host Addresses 
Enumeration<NetworkInterface> nifs = NetworkInterface.getNetworkInterfaces();
List<String> hostIps = new ArrayList<String>();
while (nifs.hasMoreElements()) {
    NetworkInterface nif = (NetworkInterface) nifs.nextElement();
    Enumeration<InetAddress> ips = nif.getInetAddresses();
    while (ips.hasMoreElements()) {
        InetAddress ip = (InetAddress) ips.nextElement();
        if (ip instanceof java.net.Inet4Address) {
...
ListgetHostAddresses()
get Host Addresses 
List<String> result = new ArrayList<>();
Enumeration e = NetworkInterface.getNetworkInterfaces();
while (e.hasMoreElements()) {
    NetworkInterface n = (NetworkInterface) e.nextElement();
    Enumeration ee = n.getInetAddresses();
    while (ee.hasMoreElements()) {
        InetAddress i = (InetAddress) ee.nextElement();
        if (i instanceof Inet6Address || i
...
StringgetHostAddressFromProperty(final String property)
Return the local host address based on the value of a system property. 
return getInetAddressFromProperty(property).getHostAddress();
StringgetHostExternalAddr()
get Host External Addr 
try {
    Enumeration e = NetworkInterface.getNetworkInterfaces();
    while (e.hasMoreElements()) {
        NetworkInterface n = (NetworkInterface) e.nextElement();
        Enumeration ee = n.getInetAddresses();
        while (ee.hasMoreElements()) {
            InetAddress i = (InetAddress) ee.nextElement();
            if (!i.getHostAddress().startsWith("192") && !i.getHostAddress().startsWith("127")) {
...
StringgetHostName(String addr)
get Host Name 
if (!isRawAddress(addr))
    return addr;
try {
    return InetAddress.getByAddress(toRawAddress(addr)).getHostName();
} catch (UnknownHostException e) {
    return addr;