Here you can find the source of ipToLong(String ip)
Parameter | Description |
---|---|
ip | ip value |
public static long ipToLong(String ip)
//package com.java2s; /*/*from w w w. j a v a 2s. co m*/ * Copyright (c) 2017, WSO2 Inc. (http://www.wso2.org) All Rights Reserved. * * WSO2 Inc. 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 { /** * Utility for Ip to Long convrsion * @param ip ip value * @return return long value of Ip */ public static long ipToLong(String ip) { long ipAddressinLong = 0; if (ip != null) { //convert ipaddress into a long String[] ipAddressArray = ip.split("\\."); //split by "." and add to an array for (int i = 0; i < ipAddressArray.length; i++) { int power = 3 - i; long ipAddress = Long.parseLong(ipAddressArray[i]); //parse to long ipAddressinLong += ipAddress * Math.pow(256, power); } } return ipAddressinLong; } }