Java Utililty Methods Local Host Get

List of utility methods to do Local Host Get

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Description

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

Method

ListgetLocalHosts()
Get host IP address 
List<String> list = new ArrayList<>();
try {
    Enumeration<NetworkInterface> nets = NetworkInterface.getNetworkInterfaces();
    while (nets.hasMoreElements()) {
        NetworkInterface ni = (NetworkInterface) nets.nextElement();
        Enumeration<InetAddress> itor = ni.getInetAddresses();
        while (itor.hasMoreElements()) {
            InetAddress inetAddress = itor.nextElement();
...
booleanisLocalHost(String address)
Indica si la direccion IP/host que se pasa como parametro pertenece a la maquina local o no 
if ((address == null) || (address.equals(""))) {
    return false;
try {
    InetAddress ia = InetAddress.getByName(address);
    if (ia.isLoopbackAddress()) {
        return true;
    NetworkInterface ni = NetworkInterface.getByInetAddress(ia);
    return ni != null;
} catch (SocketException se) {
    return false;
} catch (UnknownHostException uhe) {
    return false;
booleanisLocalHost(String h1)
is Local Host 
boolean ret = false;
try {
    InetAddress a1 = InetAddress.getByName(h1);
    if (a1 != null)
        ret = InetAddress.getLocalHost().getHostAddress().equals(a1.getHostAddress());
} catch (UnknownHostException e) {
return ret;
...
booleanisLocalhost(String host)
is Localhost 
InetAddress address;
try {
    address = InetAddress.getByName(host);
} catch (UnknownHostException e) {
    return false;
if (address.isAnyLocalAddress() || address.isLoopbackAddress())
    return true;
...
booleanisLocalhost(String hostname)
Check if a hostname is the local host. 
assert null != hostname : "hostname to check cannot be null!";
boolean isLocalhost = false;
try {
    InetAddress remoteHost = InetAddress.getByName(hostname);
    InetAddress localHost = InetAddress.getLocalHost();
    InetAddress loopback = InetAddress.getByAddress(new byte[] { 127, 0, 0, 1 });
    if (remoteHost.equals(localHost) || remoteHost.equals(loopback)) {
        isLocalhost = true;
...
booleanisLocalhost(String someHost)
is Localhost 
if (null == someHost) {
    return false;
try {
    InetAddress localHostAddr = InetAddress.getLocalHost();
    InetAddress someAddr = InetAddress.getByName(someHost);
    return localHostAddr.equals(someAddr);
} catch (UnknownHostException uhe) {
...
booleanisLocalHostNameInList(String[] hostList)
is Local Host Name In List 
String localHostName = getLocalHostName();
if (localHostName == null) {
    return false;
for (String host : hostList) {
    if (host.equalsIgnoreCase(localHostName)) {
        return true;
return false;