Java Utililty Methods InetAddress

List of utility methods to do InetAddress

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Description

The list of methods to do InetAddress are organized into topic(s).

Method

booleaninetAddressGt(InetAddress a, InetAddress b)
inet Address Gt 
return !inetAddressLeq(a, b);
byte[]inetAddrToByteArray(InetAddress a)
inet Addr To Byte Array 
return a.getAddress();
InterfaceAddressnewInterfaceAddress(InetAddress inetAddress, short maskLength)
new Interface Address 
try {
    final Constructor<InterfaceAddress> ctor = InterfaceAddress.class.getDeclaredConstructor();
    ctor.setAccessible(true);
    final Field addressField = InterfaceAddress.class.getDeclaredField("address");
    addressField.setAccessible(true);
    final Field maskLengthField = InterfaceAddress.class.getDeclaredField("maskLength");
    maskLengthField.setAccessible(true);
    final InterfaceAddress interfaceAddress = ctor.newInstance();
...
StringnormalizeHostAddress(final InetAddress localHost)
normalize Host Address 
if (localHost instanceof Inet6Address) {
    return "[" + localHost.getHostAddress() + "]";
} else {
    return localHost.getHostAddress();
InetAddressparseInetAddressFromString(String input)
parse Inet Address From String 
try {
    InetAddress address = InetAddress.getByName(input);
    return address;
} catch (Exception ex) {
    return null;
InetAddressreadInetAddress(final DataInput in, final boolean fixedLength)
read Inet Address 
if (in.readBoolean()) {
    if (fixedLength) {
        in.readByte();
        in.readLong();
        in.readLong();
    return null;
final byte addrLength = in.readByte();
switch (addrLength) {
case 4:
    final int address = in.readInt();
    if (fixedLength) {
        in.readInt();
        in.readLong();
    final byte[] addr = new byte[4];
    addr[0] = (byte) (address >>> 24 & 0xFF);
    addr[1] = (byte) (address >>> 16 & 0xFF);
    addr[2] = (byte) (address >>> 8 & 0xFF);
    addr[3] = (byte) (address & 0xFF);
    return InetAddress.getByAddress(addr);
case 16:
    final byte[] result = new byte[16];
    in.readFully(result);
    return InetAddress.getByAddress(result);
default:
    throw new IOException("Unknown address format, length: " + addrLength);
InetAddressreadInetAddress(final String stringInetAddress)
read Inet Address 
try {
    return InetAddress.getByName(stringInetAddress);
} catch (final UnknownHostException e) {
    throw new IllegalArgumentException(e);
InetAddress[]remove(InetAddress[] a_, InetAddress b)
remove 
InetAddress[] a = (InetAddress[]) a_.clone();
for (int i = 0; i < a.length; i++)
    if (b.equals(a[i])) {
        a[i] = null;
        break;
return removeNull(a);
InetAddress[]removeNull(InetAddress addrs[])
remove Null 
int count = 0;
for (int i = 0; i < addrs.length; i++)
    if (addrs[i] != null)
        count++;
InetAddress[] result = new InetAddress[count];
count = 0;
for (int i = 0; i < addrs.length; i++)
    if (addrs[i] != null)
...
voidserialize(InetAddress endpoint, DataOutput out)
serialize 
byte[] buf = endpoint.getAddress();
out.writeByte(buf.length);
out.write(buf);