java 操作IP工具类（子网、地址等）

分享一个操作IP工具类，包含：格式校验，二进制IP互相转换，网段转换，获取网段内IP，校验IP冲突等等

package com.algoblu.pts.boss.basic.utils.ipOperation;import sun.net.util.IPAddressUtil;import java.math.BigDecimal;
import java.math.BigInteger;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Pattern;public class IpUtils {/*** 正则表达式: 匹配IPV4地址字符串*/private final static String IPV4 = "^((2(5[0-5]|[0-4]\\d))|[0-1]?\\d{1,2})(\\.((2(5[0-5]|[0-4]\\d))|[0-1]?\\d{1,2})){3}$";private final static String IP_MASK = "^((128|192)|2(24|4[08]|5[245]))(\\.(0|(128|192)|2((24)|(4[08])|(5[245])))){3}$";/*** 判断字符串是否为IPV4地址格式** @param ip 要验证的ip字符串* @return 是 true/ 否 false*/public static boolean isIp(String ip) {if (ip == null) {return false;}Pattern patt = Pattern.compile(IPV4);return patt.matcher(ip).matches();}/*** 判断字符串是否为IPV4 子网掩码格式** @param mask 要验证的子网掩码字符串* @return 是 true/ 否 false*/public static boolean isIpMask(String mask) {if (mask == null) {return false;}Pattern patt = Pattern.compile(IP_MASK);return patt.matcher(mask).matches();}/*** 获取IP地址或掩码二进制数组** @param ip IP或子网掩码* @return 二进制数组如[11111111, 11111111, 11111111, 11111111]*/public static String[] getIpBinary(String ip) {String[] strs = ip.split("\\.");for (int i = 0; i < 4; i++) {strs[i] = Integer.toBinaryString(Integer.parseInt(strs[i]));if (strs[i].length() < 8) {StringBuilder zero = new StringBuilder();for (int j = 0; j < 8 - strs[i].length(); j++) {zero.append("0");}strs[i] = zero.toString() + strs[i];}}return strs;}/*** 将二进制字符串数组转换为byte数组,长度由第一个值的长度决定** @param binaryStrArr 二进制数组* @return 如[1, 1, 0, 0, 0, 0, 0, 0, 1, 0, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 0]* @throws ArrayIndexOutOfBoundsException 如果数组二进制字符串长度不同,将会抛出异常*/public static byte[] toBinary(String[] binaryStrArr) {int bl = binaryStrArr[0].length();byte[] bytes = new byte[bl * binaryStrArr.length];for (int i = 0; i < binaryStrArr.length; i++) {for (int j = 0; j < bl; j++) {bytes[i * bl + j] = (byte) (binaryStrArr[i].charAt(j) == '1' ? 1 : 0);}}return bytes;}/*** 对二进制数组增加指定值* <p>如果增加的值超出此数组长度二进制最大表示值, 数组将重置为0, 从0开始增加</p>** @param binaryArray 二进制数组值应当全为1或0* @param plus        增加的数值10进制*/public static void binaryArrayPlus(byte[] binaryArray, int plus) {binaryArrayPlus(binaryArray, binaryArray.length - 1, plus);}/*** 对二进制数组增加指定值* <p>如果增加的值超出此数组长度二进制最大表示值, 数组将重置为0, 从0开始增加</p>** @param binaryArray 二进制数组值应当全为1或0* @param index       下标* @param plus        增加的数值10进制*/private static void binaryArrayPlus(byte[] binaryArray, int index, int plus) {if (index < 0) {binaryArray[0] = 0;return;}binaryArray[index] = (byte) (binaryArray[index] + 1);plus--;//如果进位,则递归进位if (binaryArray[index] > 1) {binaryArrayPlus(binaryArray, index - 1, 1);binaryArray[index] = 0;}//如果增加的数超过1if (plus > 0) {binaryArrayPlus(binaryArray, index, plus);}}/*** 获取局域网内的所有IP, 包含参数地址, 包含首尾地址** @param ip   用作查找基础的IP,返回此IP网段的地址列表* @param mask 子网掩码* @return IP list 或 null, 如果地址非法则返回null*/public static List<String> getLocalAreaIpList(String ip, String mask) {return getLocalAreaIpList(ip, mask, false);}/*** 获取局域网内的所有IP, 包含首尾地址** @param ip             用作查找基础的IP,返回此IP网段的地址列表* @param mask           子网掩码* @param containParamIp 返回结果是否包含传入参数的IP* @return IP list 或 null, 如果地址非法则返回null*/public static List<String> getLocalAreaIpList(String ip, String mask, boolean containParamIp) {return getLocalAreaIpList(ip, mask, containParamIp, false);}/*** 获取局域网内的所有IP** @param ip                   用作查找基础的IP,返回此IP网段的地址列表* @param mask                 子网掩码* @param containParamIp       返回结果是否包含传入参数的IP* @param ignoreFirstAndLastIp 是否忽略首尾IP,(网段地址与广播地址)* @return IP list 或 null, 如果地址非法则返回null*/public static List<String> getLocalAreaIpList(String ip, String mask, boolean containParamIp, boolean ignoreFirstAndLastIp) {if (!isIp(ip) || !isIpMask(mask)) {return null;//非法ip或子网掩码}String[] maskBinary = getIpBinary(mask);//子网掩码二进制数组//[11000000, 10101000, 00000000, 11111110]String[] ipBinary = getIpBinary(ip);//IP地址二进制数组//取同网段部分byte[] maskArr = toBinary(maskBinary);//二进制掩码数组byte[] ipArr = toBinary(ipBinary);//二进制IP数组int maskLen = 0;//子网掩码长度for (int i = 0; i < maskArr.length; i++) {maskLen += maskArr[i];}
//        int maskNumberLen = maskLen % 8;//子网位数,若为0 则8位全为主机号
//        System.out.println("子网号位数:" + maskNumberLen);int hostNumberLen = 32 - maskLen;//主机IP位数
//        System.out.println("主机号位数:" + hostNumberLen);int maxHost = 1 << hostNumberLen;
//        System.out.println("支持主机个数:" + maxHost);byte[] mod = new byte[32];//同网段二进制数组for (int i = 0; i < 32; i++) {mod[i] = (byte) (maskArr[i] & ipArr[i]);}List<String> ipList = new ArrayList<>(maxHost);StringBuilder genIp = new StringBuilder();//生成的IPfor (int i = 0; i < maxHost; i++) {//转换为IP地址int decimal = 0;for (int j = 0; j < 32; j++) {decimal += mod[j] << (7 - j % 8);if (j != 0 && (j + 1) % 8 == 0) {if (genIp.length() == 0) {genIp.append(decimal);} else {genIp.append(".").append(decimal);}decimal = 0;}}binaryArrayPlus(mod, 1);//从0开始增加maxHost次
//            System.out.println(genIp);//生成的IPString generateIp = genIp.toString();genIp.delete(0, genIp.length());//清空if (ignoreFirstAndLastIp && (i == 0 || i == maxHost - 1)) {continue;//跳过首位地址}if (containParamIp && generateIp.equals(ip)) {continue;//跳过相同地址}ipList.add(generateIp);}return ipList;}/*** IP地址转换为一个long整数** @param ip XXX.XXX.XXX.XXX* @return long*/public static long ipToNumeric(String ip) {String[] ips = ip.split("\\.");long ipNum = 0;for (int i = 0; i < ips.length; i++) {ipNum += (Long.valueOf(ips[i]) << 8 * (3 - i));}return ipNum;}/*** 将十进制整数形式转换成127.0.0.1形式的ip地址** @param longIp* @return*/public static String longToIP(long longIp) {StringBuffer sb = new StringBuffer("");// 直接右移24位sb.append(String.valueOf((longIp >>> 24)));sb.append(".");// 将高8位置0，然后右移16位sb.append(String.valueOf((longIp & 0x00FFFFFF) >>> 16));sb.append(".");// 将高16位置0，然后右移8位sb.append(String.valueOf((longIp & 0x0000FFFF) >>> 8));sb.append(".");// 将高24位置0sb.append(String.valueOf((longIp & 0x000000FF)));return sb.toString();}/*** 获取IP总数** @param mask XX* @return*/public static int getIpCount(String mask) {return BigDecimal.valueOf(Math.pow(2, 32 - Integer.parseInt(mask))).setScale(0, BigDecimal.ROUND_DOWN).intValue();//IP总数，去小数点}/*** 获取掩码** @param maskLength 网络ID位数  XX* @return XXX.XXX.XXX.XXX*/public static String getMask(int maskLength) {int binaryMask = 0xFFFFFFFF << (32 - maskLength);StringBuffer sb = new StringBuffer();for (int shift = 24; shift > 0; shift -= 8) {sb.append(Integer.toString((binaryMask >>> shift) & 0xFF));sb.append(".");}sb.append(Integer.toString(binaryMask & 0xFF));return sb.toString();}/*** 检查ip是否冲突* true 唯一（默认） 、false 不唯一** @return*/public static Boolean compareIP(Long ip1, Long ip2, Long ip3, Long ip4) {for (int i = 0; i < 4; i++) {if ((ip1 <= ip3) && (ip2 >= ip3 && ip2 < ip4)) {return false;} else if ((ip1 >= ip3) && (ip1 <= ip4 && ip2 > ip4)) {return false;} else if (ip1 <= ip3 && ip2 >= ip4) {return false;} else if (ip1 >= ip3 && ip2 <= ip4) {return false;}}return true;}/*** 16进制编码转为十进制** @param str 0x...* @return long*/public static long toTen(String str) {String code = str.substring(2, str.length());BigInteger bigint = new BigInteger(code, 16);return bigint.longValue();}/*** 获取ipPool的所有IP** @param ipPool x.x.x.x/x* @return IP list 或 null, 如果地址非法则返回null*/public static List<String> getIpList(String ipPool) {List<String> ipList = new ArrayList<>();//1.判断是ip段还是单个ipString[] ip = ipPool.split("\\/");String[] ipNum = ip[0].split("\\.");if (!isSingleIp(ipPool)) {//ip段//获取掩码String mask = IpUtils.getMask(Integer.valueOf(ip[1]));//获取ipListipList = IpUtils.getLocalAreaIpList(ip[0], mask, false, false);} else {//单个ipipList.add(ip[0]);}return ipList;}/*** 判断是否是单个Ip* @param ipPool x.x.x.x/x* @return  ture 是，false 不是*/public static Boolean isSingleIp(String ipPool) {Boolean result=false;//1.判断是ip段还是单个ipString[] ip = ipPool.split("\\/");int mask = Integer.parseInt(ip[1]);if(mask == 32){return true;}String[] ipBinary = getIpBinary(ip[0]);//IP地址二进制数组byte[] ipArr = toBinary(ipBinary);//二进制IP数组//当主机位全是0时，为网段，其余全是单个IPfor(int i=mask;i<ipArr.length;i++){if(ipArr[i] == 1){result =true;break;}}return result;}/*** 判断某IP是否在某一个IP段内** @param ip   IP  x.x.x.x* @param cidr IP段  x.x.x.x/x* @return true/false*/public static boolean isInRange(String ip, String cidr) {String[] ips = ip.split("\\.");int ipAddr = (Integer.parseInt(ips[0]) << 24)| (Integer.parseInt(ips[1]) << 16)| (Integer.parseInt(ips[2]) << 8) | Integer.parseInt(ips[3]);int type = Integer.parseInt(cidr.replaceAll(".*/", ""));int mask = 0xFFFFFFFF << (32 - type);String cidrIp = cidr.replaceAll("/.*", "");String[] cidrIps = cidrIp.split("\\.");int cidrIpAddr = (Integer.parseInt(cidrIps[0]) << 24)| (Integer.parseInt(cidrIps[1]) << 16)| (Integer.parseInt(cidrIps[2]) << 8)| Integer.parseInt(cidrIps[3]);return (ipAddr & mask) == (cidrIpAddr & mask);}/*** 根据 ip/掩码位 计算IP段的起始IP 如 IP串 218.240.38.69/30** @param ip      给定的IP，如218.240.38.69* @param maskBit 给定的掩码位，如30* @return 起始IP的字符串表示*/public static String getBeginIpStr(String ip, String maskBit) {return longToIP(getBeginIpLong(ip, maskBit));}/*** 根据 ip/掩码位 计算IP段的起始IP 如 IP串 218.240.38.69/30** @param ip      给定的IP，如218.240.38.69* @param maskBit 给定的掩码位，如30* @return 起始IP的Long表示*/public static Long getBeginIpLong(String ip, String maskBit) {return ipToNumeric(ip) & ipToNumeric(getMask(Integer.parseInt(maskBit)));}/*** 根据 ip/掩码位 计算IP段的终止IP 如 IP串 218.240.38.69/30** @param ip      给定的IP，如218.240.38.69* @param maskBit 给定的掩码位，如30* @return 终止IP的字符串表示*/public static String getEndIpStr(String ip, String maskBit) {return longToIP(getEndIpLong(ip, maskBit));}/*** 根据 ip/掩码位 计算IP段的终止IP 如 IP串 218.240.38.69/30** @param ip      给定的IP，如218.240.38.69* @param maskBit 给定的掩码位，如30* @return 终止IP的Long表示*/public static Long getEndIpLong(String ip, String maskBit) {return getBeginIpLong(ip, maskBit) + getIpCount(maskBit) - 1L;}/*** 一个大的IP池  根据掩码位平均分割成多个IP池   如：  10.0.0.0/8   --->  10.0.0.0/30 , 10.0.0.4/30 , ...** @param ipPool  给定的IP池，如10.0.0.0/8* @param maskBit 给定的掩码位，如30* @return IP池  List  10.0.0.0/30 , 10.0.0.4/30 , ...*/public static List<String> ipPoolToMultiIpPool(String ipPool, String maskBit) {List<String> ipPoolList = new ArrayList<>();String[] split = ipPool.split("\\/");Long beginIpLong = getBeginIpLong(split[0], split[1]);int total = getIpCount(split[1]);int ipCount = getIpCount(maskBit);for (int i = 0; i < total / ipCount; i++) {ipPoolList.add(longToIP(beginIpLong + i * ipCount) + "/" + maskBit);}return ipPoolList;}/*** 判断IP段是否冲突, 冲突为false, 不冲突为true* @param ipPool1 ip段1* @param ipPool2 ip段2* @return 冲突为false, 不冲突为true*/public static boolean checkIpPoolConflict(String ipPool1, String ipPool2){List<String> ipList1 = IpUtils.getIpList(ipPool1);List<String> ipList2 = IpUtils.getIpList(ipPool2);String a1 = ipList1.get(0);String a2 = ipList1.get(ipList1.size() - 1);String b1 = ipList2.get(0);String b2 = ipList2.get(ipList2.size() - 1);long a1num = IpUtils.ipToNumeric(a1);long a2num = IpUtils.ipToNumeric(a2);long b1num = IpUtils.ipToNumeric(b1);long b2num = IpUtils.ipToNumeric(b2);if (a1num >= b1num && a1num <= b2num){return false;}if (a1num < b1num && a2num >= b2num){return false;}return true;}/*** 判断IP地址是否为内网IP,* @param ip  例如 ： 192.168.3.211  ,  202.3.2.1* @return  是否为内网IP, true/false*/public static boolean internalIp(String ip) {byte[] addr = IPAddressUtil.textToNumericFormatV4(ip);return internalIp(addr);}public static boolean internalIp(byte[] addr) {final byte b0 = addr[0];final byte b1 = addr[1];//10.x.x.x/8final byte SECTION_1 = 0x0A;//172.16.x.x/12final byte SECTION_2 = (byte) 0xAC;final byte SECTION_3 = (byte) 0x10;final byte SECTION_4 = (byte) 0x1F;//192.168.x.x/16final byte SECTION_5 = (byte) 0xC0;final byte SECTION_6 = (byte) 0xA8;switch (b0) {case SECTION_1:return true;case SECTION_2:if (b1 >= SECTION_3 && b1 <= SECTION_4) {return true;}case SECTION_5:switch (b1) {case SECTION_6:return true;}default:return false;}}public static void main(String[] args) {System.out.println(ipToNumeric("60.43.233.23"));System.out.println(longToIP(ipToNumeric("60.43.233.23")));System.out.println(ipToNumeric("0.0.1.1"));System.out.println(longToIP(ipToNumeric("0.0.1.1")));System.out.println(ipToNumeric("0.0.0.255"));System.out.println(longToIP(ipToNumeric("0.0.0.255")));
//        System.out.println(compareIP(33686016L,33686031L,33686018L,33686018L));
//        System.out.println(isSingleIp("2.2.0.255/31"));
//        List<String> ipList = getIpList("2.2.128.1/32");
//        ipList.forEach(s -> System.out.println(s));
//        System.out.println(ipList.size());
//        System.out.println(ipList.get(0));
//        System.out.println(getBeginIpLong("2.2.128.0","17"));
//        System.out.println(getEndIpLong("2.2.128.0","17"));
//        System.out.println(ipToNumeric("2.2.128.0"));
//        System.out.println(compareIP(1L,1L,3L,5L));
//        List<String> ipList = getIpList("2.2.2.252/30");
//
//        System.out.println(isInRange("10.10.10.1", "10.10.0.0/20"));
//
//        System.out.println(getIpCount("30"));
//
//        System.out.println(getBeginIpStr("192.13.2.0", "30"));
//
//        System.out.println(getEndIpStr("192.13.2.0", "30"));
//
//        ipPoolToMultiIpPool("10.0.0.0/28", "30").forEach(s -> System.out.println(s));
//
//        System.out.println(internalIp("192.169.180.50"));
//
//        System.out.println(getBeginIpStr("218.240.38.69", "30"));//        System.out.println(getBeginIpStr("22.22.0.0","23"));
//        System.out.println(getEndIpStr("22.22.0.0","23"));System.out.println(getEndIpStr(checkIpPoolConflict(1,3,4,5)));
//
//}}

java 操作IP工具类（子网、地址等）相关推荐

java 代理ip工具类_Java基础之java处理ip的工具类
java处理ip的工具类,包括把long类型的Ip转为一般Ip类型.把xx.xx.xx.xx类型的转为long类型.根据掩码位获取掩码.根据 ip/掩码位计算IP段的起始IP.根据 ip/掩码位计 ...
java操作svn工具类
依赖包 <dependency><groupId>org.tmatesoft.svnkit</groupId><artifactId>svnkit< ...
Java获取IP工具类以及使用
工具类 package org.test.util;import java.io.BufferedReader; import java.io.IOException; import java.io. ...
Java操作Excel工具类
Excel工具类要说的话长期作为一个c/v工程师,搞了很久但是感觉还是比较空虚,正好最近又在弄Excel相关的东西,然后就基于POI封装了一个比较简单易用的工具类.在这之前,本人水平一般般,还希望 ...
java获取Ip工具类
import com.alibaba.druid.util.StringUtils; import org.slf4j.Logger; import org.slf4j.LoggerFactory; ...
Java | IP工具类（获取访问者的ip地址查询IP地址）
一.IpUtil package com.java.util;import com.fasterxml.jackson.annotation.JsonInclude; import com.faste ...
Java常用工具类---IP工具类、File文件工具类
package com.jarvis.base.util; import java.io.IOException; import java.io.InputStreamReader; import j ...
java filehelper_Java常用工具类---IP工具类、File文件工具类
package com.jarvis.base.util; import java.io.IOException; import java.io.InputStreamReader; import j ...
java获取真实ip工具类
场景有的时候我们需要获取客户端的真实ip,用来实现ip白名单,和黑名单的配置! ip工具类如下 package com.meeno.framework.utils;import javax.serv ...

java 操作IP工具类（子网、地址等）

java 操作IP工具类（子网、地址等）相关推荐

最新文章

热门文章