Java Long to IP Address longToIp(long ip)

Description

covert the ip address from decimal to dot formatted

License

Apache License

Parameter

Parameter	Description
ip	ip address decimal format;

Return

ip address in dot format.

Declaration

public static String longToIp(long ip) 

Method Source Code

//package com.java2s;
/*//from   w w  w .  j a v  a 2  s  . c om
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. The ASF 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 {
    /**
     * covert the ip address from decimal to dot formatted
     *
     * @param ip ip address decimal format;
     * @return ip address in dot format.
     */
    public static String longToIp(long ip) {
        StringBuilder sb = new StringBuilder(15);
        for (int i = 0; i < 4; i++) {
            // 1. 2
            // 2. 1
            // 3. 168
            // 4. 192
            sb.insert(0, Long.toString(ip & 0xff));

            if (i < 3) {
                sb.insert(0, '.');
            }

            // 1. 192.168.1.2
            // 2. 192.168.1
            // 3. 192.168
            // 4. 192
            ip = ip >> 8;

        }

        return sb.toString();
    }
}

Related

1. long2IpAdress(long src)
2. longToIp(long address)
3. longToIp(long i)
4. longToIp(long i)
5. longToIp(long ip)
6. LongToIp(long longIp)
7. longToIp(long longValue)
8. longToIp(String ip)
9. longToIpAddress(long ip)