IP地址划分为 A,B,C,D,E五类
A类地址1.0.0.0~126.255.255.255;
B类地址128.0.0.0~191.255.255.255;
C类地址192.0.0.0~223.255.255.255;
D类地址224.0.0.0~239.255.255.255；
E类地址240.0.0.0~255.255.255.255
私网IP范围是：
10.0.0.0～10.255.255.255
172.16.0.0～172.31.255.255
192.168.0.0～192.168.255.255
代码语言：javascript复制package com.hikvision.aradc.utils;
/**
* @ProjectName IPUtils
* @Author duanjiangcheng
* @Description IP地址划分为 A,B,C,D,E五类
* <p>
* A类地址1.0.0.0~126.255.255.255;
* <p>
* B类地址128.0.0.0~191.255.255.255;
* <p>
* C类地址192.0.0.0~223.255.255.255;
* <p>
* D类地址224.0.0.0~239.255.255.255；
* <p>
* E类地址240.0.0.0~255.255.255.255
* <p>
* 私网IP范围是：
* <p>
* 10.0.0.0～10.255.255.255
* <p>
* 172.16.0.0～172.31.255.255
* <p>
* 192.168.0.0～192.168.255.255
* @time 2022/5/16 9:51
* @version 1.0
*/
import org.springframework.util.CollectionUtils;
import java.util.ArrayList;
import java.util.List;
import java.util.StringTokenizer;
import java.util.stream.Collectors;
/**
* @version 1.0
* @ClassName IPUtils
* @Author duanjiangcheng
* @Description 根据IP进行分类，排序
* @time 2022/5/16 9:51
*/
public class IPUtils {
/*1代表A类，2代表B类，3代表C类；4代表其它类型*/
/**
* A类地址
*/
public final static int IP_A_TYPE = 1;
/**
* B 类地址
*/
public final static int IP_B_TYPE = 2;
/**
* C类地址
*/
public final static int IP_C_TYPE = 3;
/**
* 其他类地址
*/
public final static int IP_OTHER_TYPE = 4;
/**
* A类地址范围：1.0.0.1---126.255.255.254
**/
private static int[] IpATypeRange;
/**
* B类地址范围：128.0.0.1---191.255.255.254
*/
private static int[] IpBTypeRange;
/**
* C类地址范围：192.168.0.0～192.168.255.255
*/
private static int[] IpCTypeRange;
/**
* A,B,C类地址的默认mask
*/
private static int DefaultIpAMask;
private static int DefaultIpBMask;
private static int DefaultIpCMask;
// 初始化
static {
IpATypeRange = new int[2];
IpATypeRange[0] = getIpV4Value("1.0.0.1");
IpATypeRange[1] = getIpV4Value("126.255.255.254");
IpBTypeRange = new int[2];
IpBTypeRange[0] = getIpV4Value("128.0.0.1");
IpBTypeRange[1] = getIpV4Value("191.255.255.254");
IpCTypeRange = new int[2];
IpCTypeRange[0] = getIpV4Value("192.168.0.0");
IpCTypeRange[1] = getIpV4Value("192.168.255.255");
DefaultIpAMask = getIpV4Value("255.0.0.0");
DefaultIpBMask = getIpV4Value("255.255.0.0");
DefaultIpCMask = getIpV4Value("255.255.255.0");
}
public static int getIpV4Value(String ipOrMask) {
byte[] addr = getIpV4Bytes(ipOrMask);
int address1 = addr[3] & 0xFF;
address1 |= ((addr[2] << 8) & 0xFF00);
address1 |= ((addr[1] << 16) & 0xFF0000);
address1 |= ((addr[0] << 24) & 0xFF000000);
return address1;
}
public static byte[] getIpV4Bytes(String ipOrMask) {
try {
String[] addrs = ipOrMask.split("\.");
int length = addrs.length;
byte[] addr = new byte[length];
for (int index = 0; index < length; index ) {
addr[index] = (byte) (Integer.parseInt(addrs[index]) & 0xff);
}
return addr;
} catch (Exception e) {
}
return new byte[4];
}
/**
* 检测ipV4 的类型，包括A类，B类，C类，其它（C,D和广播）类等
*
* @param ipV4
* @return 返回1代表A类，返回2代表B类，返回3代表C类；返回4代表D类
*/
public static int checkIpV4Type(String ipV4) {
int inValue = getIpV4Value(ipV4);
if (inValue >= IpCTypeRange[0] && inValue <= IpCTypeRange[1]) {
return IP_C_TYPE;
} else if (inValue >= IpBTypeRange[0] && inValue <= IpBTypeRange[1]) {
return IP_B_TYPE;
} else if (inValue >= IpATypeRange[0] && inValue <= IpATypeRange[1]) {
return IP_A_TYPE;
}
return IP_OTHER_TYPE;
}
public static List<String> listToSort(List<String> ips) {
return ips.stream().sorted((e1, e2) -> {
StringTokenizer token = new StringTokenizer(e1, ".");
StringTokenizer token2 = new StringTokenizer(e2, ".");
while (token.hasMoreTokens() && token2.hasMoreTokens()) {
int parseInt = Integer.parseInt(token.nextToken());
int parseInt2 = Integer.parseInt(token2.nextToken());
if (parseInt > parseInt2) {
return 1;
}
if (parseInt < parseInt2) {
return -1;
}
}
if (token.hasMoreElements()) { // e1还有值，则e2已遍历完
return 1;
} else {
return -1;
}
}).collect(Collectors.toList());
}
public static void addAll(List<List<String>> list, List<String> type) {
if (!CollectionUtils.isEmpty(type)) {
list.add(type);
}
}
public static List<List<String>> listToGroup(List<String> ips) {
List<List<String>> list = new ArrayList<>(4);
List<String> ip_a_type_list = ips.stream().filter(item -> checkIpV4Type(item) == IP_A_TYPE).collect(Collectors.toList());
List<String> ip_b_type_list = ips.stream().filter(item -> checkIpV4Type(item) == IP_B_TYPE).collect(Collectors.toList());
List<String> ip_c_type_list = ips.stream().filter(item -> checkIpV4Type(item) == IP_C_TYPE).collect(Collectors.toList());
List<String> ip_other_type_list = ips.stream().filter(item -> checkIpV4Type(item) == IP_OTHER_TYPE).collect(Collectors.toList());
addAll(list, listToSort(ip_a_type_list));
addAll(list, listToSort(ip_b_type_list));
addAll(list, listToSort(ip_c_type_list));
addAll(list, listToSort(ip_other_type_list));
return list;
}
public static void main(String[] args) {
List<String> list = new ArrayList<>();
list.add("10.9.96.200");
list.add("10.9.96.199");
list.add("10.9.96.202");
list.add("192.168.0.158");
System.out.println(listToGroup(list));
}
}
输入的结果为
[[10.9.96.199, 10.9.96.200, 10.9.96.202], [192.168.0.158]]
