org.xbill.DNS
public final class Address extends java.lang.Object
Modifier and Type | Method and Description |
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static int |
addressLength(int family)
Returns the length of an address in a particular family.
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static int |
familyOf(java.net.InetAddress address)
Returns the family of an InetAddress.
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static java.net.InetAddress[] |
getAllByName(java.lang.String name)
Determines all IP address of a host
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static java.net.InetAddress |
getByAddress(java.lang.String addr)
Converts an address from its string representation to an IP address.
|
static java.net.InetAddress |
getByAddress(java.lang.String addr,
int family)
Converts an address from its string representation to an IP address in
a particular family.
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static java.net.InetAddress |
getByName(java.lang.String name)
Determines the IP address of a host
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static java.lang.String |
getHostName(java.net.InetAddress addr)
Determines the hostname for an address
|
static boolean |
isDottedQuad(java.lang.String s)
Determines if a string contains a valid IP address.
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static int[] |
toArray(java.lang.String s)
Convert a string containing an IPv4 address to an array of 4 integers.
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static int[] |
toArray(java.lang.String s,
int family)
Convert a string containing an IP address to an array of 4 or 16 integers.
|
static byte[] |
toByteArray(java.lang.String s,
int family)
Convert a string containing an IP address to an array of 4 or 16 bytes.
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static java.lang.String |
toDottedQuad(byte[] addr)
Converts a byte array containing an IPv4 address into a dotted quad string.
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static java.lang.String |
toDottedQuad(int[] addr)
Converts an int array containing an IPv4 address into a dotted quad string.
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static java.net.InetAddress |
truncate(java.net.InetAddress address,
int maskLength)
Truncates an address to the specified number of bits.
|
public static final int IPv4
public static final int IPv6
public static int[] toArray(java.lang.String s, int family)
s
- The address, in text format.family
- The address family.public static int[] toArray(java.lang.String s)
s
- The address, in text format.public static byte[] toByteArray(java.lang.String s, int family)
s
- The address, in text format.family
- The address family.public static boolean isDottedQuad(java.lang.String s)
s
- The stringpublic static java.lang.String toDottedQuad(byte[] addr)
addr
- The arraypublic static java.lang.String toDottedQuad(int[] addr)
addr
- The arraypublic static java.net.InetAddress getByName(java.lang.String name) throws java.net.UnknownHostException
name
- The hostname to look upjava.net.UnknownHostException
- The hostname does not have any addressespublic static java.net.InetAddress[] getAllByName(java.lang.String name) throws java.net.UnknownHostException
name
- The hostname to look upjava.net.UnknownHostException
- The hostname does not have any addressespublic static java.net.InetAddress getByAddress(java.lang.String addr) throws java.net.UnknownHostException
addr
- The address, in string formjava.net.UnknownHostException
- The address is not a valid IP address.public static java.net.InetAddress getByAddress(java.lang.String addr, int family) throws java.net.UnknownHostException
addr
- The address, in string formfamily
- The address family, either IPv4 or IPv6.java.net.UnknownHostException
- The address is not a valid IP address in
the specified address family.public static java.lang.String getHostName(java.net.InetAddress addr) throws java.net.UnknownHostException
addr
- The address to look upjava.net.UnknownHostException
- There is no hostname for the addresspublic static int familyOf(java.net.InetAddress address)
address
- The supplied address.public static int addressLength(int family)
family
- The address family, either IPv4 or IPv6.public static java.net.InetAddress truncate(java.net.InetAddress address, int maskLength)
address
- The source addressmaskLength
- The number of bits to truncate the address to.