Package org.xbill.DNS

Class MXRecord

java.lang.Object

org.xbill.DNS.Record

org.xbill.DNS.MXRecord

All Implemented Interfaces:

Serializable, Cloneable, Comparable<Record>

public class MXRecord
extends Record

Mail Exchange - specifies where mail to a domain is sent

Author:

Brian Wellington

See Also:

• RFC 1035: Domain Names - Implementation and Specification
• RFC 7505: A "Null MX" No Service Resource Record for Domains That Accept No Mail
• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected Name	nameField
protected int	u16Field

Fields inherited from class org.xbill.DNS.Record

dclass, name, ttl, type

Constructor Summary

Constructors

Constructor	Description
MXRecord(Name name, int dclass, long ttl, int priority, Name target)	Creates an MX Record from the given data

Method Summary

Modifier and Type	Method	Description
Name	getAdditionalName()	Returns the name for which additional data processing should be done for this record.
protected Name	getNameField()
int	getPriority()	Returns the priority of this MX record
Name	getTarget()	Returns the target of the MX record
protected int	getU16Field()
protected void	rdataFromString(Tokenizer st, Name origin)	Converts the text format of an RR to the internal format - must be overriden
protected void	rrFromWire(DNSInput in)	Converts the type-specific RR to wire format - must be overridden
protected String	rrToString()	Converts the type-specific RR to text format - must be overridden.
protected void	rrToWire(DNSOutput out, Compression c, boolean canonical)	Converts the type-specific RR to wire format - must be overridden.

Methods inherited from class org.xbill.DNS.Record

byteArrayFromString, byteArrayToString, compareTo, equals, fromString, fromString, fromWire, getDClass, getName, getRRsetType, getTTL, getType, hashCode, newRecord, newRecord, newRecord, newRecord, rdataToString, rdataToWireCanonical, sameRRset, sameRRset, toString, toWire, toWireCanonical, unknownToString, withName

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Details

u16Field

protected int u16Field

nameField

protected Name nameField

Constructor Details

MXRecord

public MXRecord(Name name,
 int dclass,
 long ttl,
 int priority,
 Name target)

Creates an MX Record from the given data

Parameters:

priority - The priority of this MX. Records with lower priority are preferred.

target - The host that mail is sent to

Method Details

getTarget

public Name getTarget()

Returns the target of the MX record

getPriority

public int getPriority()

Returns the priority of this MX record

rrToWire

protected void rrToWire(DNSOutput out,
 Compression c,
 boolean canonical)

Description copied from class: Record

Converts the type-specific RR to wire format - must be overridden.

getAdditionalName

public Name getAdditionalName()

Description copied from class: Record

Returns the name for which additional data processing should be done for this record. This can be used both for building responses and parsing responses.

Overrides:

getAdditionalName in class Record

Returns:

The name to used for additional data processing, or null if this record type does not require additional data processing.

rrFromWire

protected void rrFromWire(DNSInput in)
                   throws IOException

Description copied from class: Record

Converts the type-specific RR to wire format - must be overridden

Specified by:

rrFromWire in class Record

Throws:

IOException

rdataFromString

protected void rdataFromString(Tokenizer st,
 Name origin)
                        throws IOException

Description copied from class: Record

Converts the text format of an RR to the internal format - must be overriden

Specified by:

rdataFromString in class Record

Throws:

IOException

rrToString

protected String rrToString()

Description copied from class: Record

Converts the type-specific RR to text format - must be overridden.

Specified by:

rrToString in class Record

getU16Field

protected int getU16Field()

getNameField

protected Name getNameField()