Java Network Interface Check isLoopbackNetworkInterface( NetworkInterface anInterface)

Description

is Loopback Network Interface

License

Open Source License

Declaration

public static boolean isLoopbackNetworkInterface(
            NetworkInterface anInterface) 

Method Source Code

//package com.java2s;
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import java.lang.reflect.Method;

import java.net.InetAddress;
import java.net.NetworkInterface;

import java.util.Enumeration;

public class Main {
    private static Method isLoopbackMethod = null;

    public static boolean isLoopbackNetworkInterface(
            NetworkInterface anInterface) {
        if (anInterface == null)
            return false;
        if (isLoopbackMethod != null) {
            try {
                return (Boolean) isLoopbackMethod.invoke(anInterface);
            } catch (Throwable t) {
            }
        }
        boolean hasLoopback = false;
        Enumeration<InetAddress> allIntfAddr = anInterface
                .getInetAddresses();
        while (allIntfAddr.hasMoreElements()) {
            InetAddress anAddr = allIntfAddr.nextElement();
            if (anAddr.isLoopbackAddress()) {
                hasLoopback = true;
                break;
            }
        }
        return hasLoopback;
    }
}

Related

1. hasNetworkAccess()
2. isCIDR(String network)
3. isHostInNetworkCard(String host)
4. isInterfaceLoopback(NetworkInterface iface)
5. isInterfaceUp(NetworkInterface iface)
6. isNetworkAvailable()
7. isNetworkException(Exception e)
8. isNetworkProblem(final Throwable ex)
9. isUpAndNotLoopback(final NetworkInterface ni)