Returns a collection of all addresses which do not have a local scope (loopbacks etc). - Java Network

Java examples for Network:Network Address

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Description

Returns a collection of all addresses which do not have a local scope (loopbacks etc).

Demo Code

//package com.java2s;
import java.net.InetAddress;

import java.util.ArrayList;
import java.util.Collection;

public class Main {
    /**//from   w  w  w . j  a v  a  2  s .  co m
     * Returns a collection of all addresses which do not have a local scope (loopbacks etc).
     * @param addresses all addresse
     * @return the addresses which are not loopbacks/linklocal
     */
    public static Collection<InetAddress> getExternalAddresses(
            InetAddress[] addresses) {
        ArrayList<InetAddress> result = new ArrayList<InetAddress>();
        for (InetAddress addr : addresses) {
            if (addr.isAnyLocalAddress() || addr.isLinkLocalAddress()
                    || addr.isLoopbackAddress())
                continue;
            result.add(addr);
        }
        return result;
    }
}

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