cn.ujava.common.net

Class MaskBit

java.lang.Object

cn.ujava.common.net.MaskBit

public class MaskBit
extends Object

掩码位和掩码之间的Map对应

Author:

ujava

Since:

5.4.1

Constructor Summary

Constructors

Constructor and Description
MaskBit()

Method Summary

Modifier and Type	Method and Description
static String	get(int maskBit) 根据掩码位获取掩码
static Integer	getMaskBit(String mask) 根据掩码获取掩码位
static long	getMaskIpLong(int maskBit) 根据掩码位获取掩码IP(Long型)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MaskBit

public MaskBit()

Method Detail

get

public static String get(int maskBit)

根据掩码位获取掩码

Parameters:

maskBit - 掩码位

Returns:

掩码

getMaskBit

public static Integer getMaskBit(String mask)

根据掩码获取掩码位

Parameters:

mask - 掩码的点分十进制表示，如 255.255.255.0

Returns:

掩码位，如 24；如果掩码不合法，则返回null

Since:

5.6.5

getMaskIpLong

public static long getMaskIpLong(int maskBit)

根据掩码位获取掩码IP(Long型)

Parameters:

maskBit - 掩码位

Returns:

掩码IP(Long型)

Since:

6.0.0