com.ibm.tivoli.nm.collectors.impl.netactcmdump.util

Class IPUtils

java.lang.Object

com.ibm.tivoli.nm.collectors.impl.netactcmdump.util.IPUtils

public class IPUtils
extends java.lang.Object

Utility class for IP functionality

Author:

Yeo Eng Seng

Constructor Summary

Constructors

Constructor and Description
IPUtils()

Method Summary

Modifier and Type	Method and Description
static java.lang.String	getNetmaskBits(java.lang.String strMask) Returns the number of bits used for a given netmask
static java.lang.String	getNetworkAddress(java.lang.String strIpAddress, java.lang.String strSubnetMask) Returns the network address for a provided IP address and subnet mask
static boolean	isWithinSameSubnet(java.lang.String ip1, java.lang.String ip2, java.lang.String subnetMask) Checks whether two IPv4 addresses falls within a given subnet mask

Methods inherited from class java.lang.Object

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

Constructor Detail

IPUtils

public IPUtils()

Method Detail

isWithinSameSubnet

public static boolean isWithinSameSubnet(java.lang.String ip1,
                                         java.lang.String ip2,
                                         java.lang.String subnetMask)

Checks whether two IPv4 addresses falls within a given subnet mask

Parameters:

ip1 - The first IP address

ip2 - The second IP address

subnetMask - The subnetmask to be checked against

Returns:

true if it falls in the same subnet mask, false otherwise

getNetworkAddress

public static java.lang.String getNetworkAddress(java.lang.String strIpAddress,
                                                 java.lang.String strSubnetMask)

Returns the network address for a provided IP address and subnet mask

Parameters:

strIpAddress - IP address

strSubnetMask - Subnet mask

Returns:

network address, otherwise empty string

getNetmaskBits

public static java.lang.String getNetmaskBits(java.lang.String strMask)

Returns the number of bits used for a given netmask

Parameters:

strMask - Netmask

Returns:

number of bits used for the netmask