com.grey.base.utils

Class IP

java.lang.Object

com.grey.base.utils.IP

public final class IP
extends Object

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	IP.Subnet

Field Summary

Fields

Modifier and Type	Field and Description
static int	FLAG_IFIP4
static int	FLAG_IFIP6
static int	FLAG_IFREAL
static int	FLAG_IFUP
static int	IP_LOCALHOST
static int	IPADDR_OCTETS
static int	IPV6ADDR_OCTETS
static String	RGXPATT_DOTTEDIP

Constructor Summary

Constructors

Constructor and Description
IP()

Method Summary

Modifier and Type	Method and Description
static int	convertDottedIP(CharSequence ipdotted)
static int	convertIP(InetAddress jdkip)
static InetAddress	convertIP(int ip)
static InetAddress	convertIP(int ip, byte[] workbuf)
static int	countLocalIPs(int flags)
static StringBuilder	displayArpaDomain(int ip)
static StringBuilder	displayArpaDomain(int ip, StringBuilder sb)
static StringBuilder	displayDottedIP(byte[] netaddr, int off)
static StringBuilder	displayDottedIP(byte[] netaddr, int off, StringBuilder sb)
static StringBuilder	displayDottedIP(int ip)
static StringBuilder	displayDottedIP(int ipaddr, StringBuilder sb)
static StringBuilder	displayIP6(byte[] netaddr, int off)
static StringBuilder	displayIP6(byte[] netaddr, int off, StringBuilder sb)
static InetAddress	getHostByName(String hostname)
static int[]	getLocalIPs(int flags)
static String[]	getLocalMACs(int flags)
static byte[]	ip2net(int ip)
static byte[]	ip2net(int ip, byte[] netaddr, int off)
static int	maskToPrefix(int mask)
static int	net2ip(byte[] netaddr, int off)
static int	parseIP(String host)
static IP.Subnet	parseSubnet(String ipnet)
static int	prefixToMask(int prefix)
static int	prefixToNetSize(int prefix)
static boolean	validDottedIP(CharSequence ipdotted, int ipaddr)

Methods inherited from class java.lang.Object

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

Field Detail

IPADDR_OCTETS

public static final int IPADDR_OCTETS

See Also:

Constant Field Values

IPV6ADDR_OCTETS

public static final int IPV6ADDR_OCTETS

See Also:

Constant Field Values

RGXPATT_DOTTEDIP

public static final String RGXPATT_DOTTEDIP

See Also:

Constant Field Values

FLAG_IFUP

public static final int FLAG_IFUP

See Also:

Constant Field Values

FLAG_IFREAL

public static final int FLAG_IFREAL

See Also:

Constant Field Values

FLAG_IFIP4

public static final int FLAG_IFIP4

See Also:

Constant Field Values

FLAG_IFIP6

public static final int FLAG_IFIP6

See Also:

Constant Field Values

IP_LOCALHOST

public static final int IP_LOCALHOST

Constructor Detail

IP

public IP()

Method Detail

prefixToMask

public static int prefixToMask(int prefix)

displayDottedIP

public static StringBuilder displayDottedIP(int ip)

displayDottedIP

public static StringBuilder displayDottedIP(byte[] netaddr,
                                            int off)

displayIP6

public static StringBuilder displayIP6(byte[] netaddr,
                                       int off)

ip2net

public static byte[] ip2net(int ip)

convertIP

public static InetAddress convertIP(int ip)

displayArpaDomain

public static StringBuilder displayArpaDomain(int ip)

maskToPrefix

public static int maskToPrefix(int mask)

prefixToNetSize

public static int prefixToNetSize(int prefix)

convertDottedIP

public static int convertDottedIP(CharSequence ipdotted)

validDottedIP

public static boolean validDottedIP(CharSequence ipdotted,
                                    int ipaddr)

displayDottedIP

public static StringBuilder displayDottedIP(int ipaddr,
                                            StringBuilder sb)

displayDottedIP

public static StringBuilder displayDottedIP(byte[] netaddr,
                                            int off,
                                            StringBuilder sb)

net2ip

public static int net2ip(byte[] netaddr,
                         int off)

ip2net

public static byte[] ip2net(int ip,
                            byte[] netaddr,
                            int off)

convertIP

public static int convertIP(InetAddress jdkip)

convertIP

public static InetAddress convertIP(int ip,
                                    byte[] workbuf)

displayArpaDomain

public static StringBuilder displayArpaDomain(int ip,
                                              StringBuilder sb)

displayIP6

public static StringBuilder displayIP6(byte[] netaddr,
                                       int off,
                                       StringBuilder sb)

parseSubnet

public static IP.Subnet parseSubnet(String ipnet)
                             throws UnknownHostException

Throws:

UnknownHostException

parseIP

public static int parseIP(String host)
                   throws UnknownHostException

Throws:

UnknownHostException

countLocalIPs

public static int countLocalIPs(int flags)
                         throws SocketException

Throws:

SocketException

getLocalIPs

public static int[] getLocalIPs(int flags)
                         throws SocketException

Throws:

SocketException

getLocalMACs

public static String[] getLocalMACs(int flags)
                             throws SocketException

Throws:

SocketException

getHostByName

public static InetAddress getHostByName(String hostname)
                                 throws UnknownHostException

Throws:

UnknownHostException