org.xbill.DNS
Class Zone

java.lang.Object
  |
  +--org.xbill.DNS.NameSet
        |
        +--org.xbill.DNS.Zone

public class Zone

extends org.xbill.DNS.NameSet

A DNS Zone. This encapsulates all data related to a Zone, and provides convienient lookup methods.

Field Summary

static int	PRIMARY A primary zone
static int	SECONDARY A secondary zone (unimplemented)

Constructor Summary

Zone(Name zone, short _dclass, String remote, Cache cache)
Creates a Zone from the records in the specified master file.

Zone(String file, Cache cache)
Creates a Zone from the records in the specified master file.

Method Summary

void	addRecord(Record r) Adds a record to the Zone
Enumeration	AXFR()
RRset	findExactMatch(Name name, short type) Looks up Records in the zone, finding exact matches only.
SetResponse	findRecords(Name name, short type) Looks up Records in the Zone.
short	getDClass() Returns the Zone's class
RRset	getNS() Returns the Zone origin's NS records
Name	getOrigin() Returns the Zone's origin
SOARecord	getSOA() Returns the Zone's SOA record

Methods inherited from class org.xbill.DNS.NameSet

addSet, clear, findExactSet, findName, findSets, removeName, removeSet, toString

Methods inherited from class java.lang.Object

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

Field Detail

PRIMARY

public static final int PRIMARY

A primary zone

SECONDARY

public static final int SECONDARY

A secondary zone (unimplemented)

Constructor Detail

Zone

public Zone(String file,
            Cache cache)
     throws IOException

Creates a Zone from the records in the specified master file. All records that do not belong in the Zone are added to the specified Cache.

See Also:

Cache, Master

Zone

public Zone(Name zone,
            short _dclass,
            String remote,
            Cache cache)
     throws IOException

Creates a Zone from the records in the specified master file. All records that do not belong in the Zone are added to the specified Cache.

See Also:

Cache, Master

Method Detail

getOrigin

public Name getOrigin()

Returns the Zone's origin

getNS

public RRset getNS()

Returns the Zone origin's NS records

getSOA

public SOARecord getSOA()

Returns the Zone's SOA record

getDClass

public short getDClass()

Returns the Zone's class

findRecords

public SetResponse findRecords(Name name,
                               short type)

Looks up Records in the Zone. This follows CNAMEs and wildcards.

Parameters:

name - The name to look up

type - The type to look up

Returns:

A SetResponse object

See Also:

SetResponse

findExactMatch

public RRset findExactMatch(Name name,
                            short type)

Looks up Records in the zone, finding exact matches only.

Parameters:

name - The name to look up

type - The type to look up

Returns:

The matching RRset

See Also:

RRset

addRecord

public void addRecord(Record r)

Adds a record to the Zone

Parameters:

r - The record to be added

See Also:

Record

AXFR

public Enumeration AXFR()