Java IP Address Get getIPFromHash(final long ipHash)

Description

get IP From Hash

License

Open Source License

Declaration

public static final byte[] getIPFromHash(final long ipHash) 

Method Source Code

//package com.java2s;
/*//from  ww w  . ja va2s.co  m
 * This program is free software: you can redistribute it and/or modify it under
 * the terms of the GNU General Public License as published by the Free Software
 * Foundation, either version 3 of the License, or (at your option) any later
 * version.
 * 
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
 * details.
 * 
 * You should have received a copy of the GNU General Public License along with
 * this program. If not, see <http://www.gnu.org/licenses/>.
 */

import java.net.InetAddress;

public class Main {
    public static final byte[] getIPFromHash(final long ipHash) {
        final byte[] ip;

        if (isIPv6(ipHash)) {
            ip = new byte[] { (byte) (ipHash & 0xFF), (byte) (ipHash >> 8 & 0xFF), (byte) (ipHash >> 16 & 0xFF),
                    (byte) (ipHash >> 24 & 0xFF), (byte) (ipHash >> 32 & 0xFF), (byte) (ipHash >> 40 & 0xFF) };
        } else {
            ip = new byte[] { (byte) (ipHash & 0xFF), (byte) (ipHash >> 8 & 0xFF), (byte) (ipHash >> 16 & 0xFF),
                    (byte) (ipHash >> 24 & 0xFF) };
        }

        return ip;
    }

    public static final boolean isIPv6(final InetAddress address) {
        return isIPv6(address.getAddress());
    }

    public static final boolean isIPv6(final byte[] address) {
        return address.length == 6;
    }

    public static final boolean isIPv6(final long ipHash) {
        return ipHash < 0;
    }
}

Related

1. getIpByHost(String hostName)
2. getIpByHost(String hostName)
3. getIPByInterfaceName(String name)
4. getIpByName(String name)
5. getIpByNetworkInterfaceName(String name)
6. getIPFromInterface(String ni)
7. getIPFromNetworkInterface()
8. getIpHostnameLocal()
9. getIPList(String address)