Java IP Address to Int IPV4AddressToInteger(byte[] addr)

Description

IPV Address To Integer

License

Apache License

Declaration

public static int IPV4AddressToInteger(byte[] addr) 

Method Source Code

//package com.java2s;
/**/*from w  ww.  j  a v a  2  s . c  o m*/
 * Copyright 2008 - CommonCrawl Foundation
 * 
 * CommonCrawl licenses this file to you 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.
 */

public class Main {
    public static int IPV4AddressToInteger(byte[] addr) {

        int hostAddress = addr[3] & 0xFF;

        hostAddress |= ((addr[2] << 8) & 0xFF00);
        hostAddress |= ((addr[1] << 16) & 0xFF0000);
        hostAddress |= ((addr[0] << 24) & 0xFF000000);

        return hostAddress;
    }
}

Related

1. ipToInt(String ip)
2. ipToInt(String ipAddr)
3. IpToInt(String strIp)
4. ipToInteger(String ip)
5. IPV4AddressStrToInteger(String ipAddressStr)
6. ipV4ToInt(String addr)
7. ipv4ToInt(String addr)
8. ipv4ToInt(String address)