Java InetAddress hasIp(InetAddress ip)

Description

has Ip

License

Apache License

Declaration

public static boolean hasIp(InetAddress ip) throws SocketException 

Method Source Code

//package com.java2s;
/**/*from   w w  w .j a va 2  s. c o  m*/
 * This file is part of the NatCrackerToolbox.
 * 
 * Copyright (C) 2009 - 2011 Peerialism Inc.
 *
 * 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.
 * 
 **/

import java.net.InetAddress;

import java.net.NetworkInterface;
import java.net.SocketException;

public class Main {
    public static boolean hasIp(InetAddress ip) throws SocketException {
        if (ip == null)
            return false;
        NetworkInterface nic = NetworkInterface.getByInetAddress(ip);
        return (nic != null && nic.isUp());
    }
}

Related

1. findUnusedPort(InetAddress address, int low, int high)
2. formatAddress(InetAddress address, int port, Context cx, Scriptable scope)
3. formatAddress(InetAddress inet)
4. formatHostAddress(final InetAddress localHost)
5. greaterThan(InetAddress inetAddress1, InetAddress inetAddress2)
6. hasLocalScope(InetAddress addr)
7. increment(InetAddress address)
8. inetAddressCompare(final InetAddress address1, final InetAddress address2)
9. inetAddressesComparator(final boolean sameHost)