Java InetAddress Create getInetAddresses(String filter)

Description

get Inet Addresses

License

Apache License

Declaration

public static List<InetAddress> getInetAddresses(String filter) 

Method Source Code

//package com.java2s;
/*// w  ww .j  a va 2s  .  c  o  m
 * #%L
 * Preference-based cLoud Service Recommender (PuLSaR) - Broker@Cloud optimisation engine
 * %%
 * Copyright (C) 2014 - 2016 Information Management Unit, Institute of Communication and Computer Systems, National Technical University of Athens
 * %%
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 * #L%
 */

import java.net.*;
import java.util.*;
import java.util.regex.Pattern;

public class Main {
    public static List<InetAddress> getInetAddresses(String filter) {
        if (filter == null || (filter = filter.trim()).isEmpty())
            return getInetAddresses();

        Pattern pat = Pattern.compile(filter.trim());
        List<InetAddress> addresses = new ArrayList<InetAddress>();
        for (InetAddress addr : getInetAddresses()) {
            if (pat.matcher(addr.toString().substring(1)).matches()) {
                addresses.add(addr);
            }
        }
        return addresses;
    }

    public static List<InetAddress> getInetAddresses() {
        List<InetAddress> addresses = new ArrayList<InetAddress>();
        try {
            Enumeration<NetworkInterface> en = NetworkInterface.getNetworkInterfaces();
            while (en.hasMoreElements()) {
                NetworkInterface intf = en.nextElement();
                try {
                    if (!intf.isUp())
                        continue;
                    if (intf.isLoopback())
                        continue;
                } catch (SocketException ex2) {
                    continue;
                }

                Enumeration<InetAddress> en2 = intf.getInetAddresses();
                while (en2.hasMoreElements()) {
                    InetAddress addr = en2.nextElement();
                    if (!(addr instanceof Inet4Address))
                        continue;
                    if (addr.isLoopbackAddress())
                        continue;
                    addresses.add(addr);
                }
            }
            return addresses;
        } catch (SocketException ex) {
            return addresses;
        }
    }
}

Related

1. getInetAddress(String hostName)
2. getInetAddress(String name)
3. getInetAddress(String str)
4. getInetAddressByName(String name)
5. getInetAddresses()
6. getInetAddressFor(final Inet6Address inetAddress, String scope)
7. getInetAddressFromAsciiIP(String ip)
8. getInetAddressFromConfigString( String fixedDeviceConfigSring)
9. getInetAddressFromString(String s)