Package tigase.util.dns

Class DNSResolver

java.lang.Object

tigase.util.dns.DNSResolver

@Deprecated
public class DNSResolver
extends Object

Deprecated.

tigase.util.DNSResolverFactory.getInstance() should be used instead

DNSResolver class for handling DNS names

Since:

Mon Sep 11 09:59:02 2006

Author:

Artur Hefczyc

Field Summary

Fields

Modifier and Type	Field	Description
static Map<String,DNSEntry>	ip_cache	Deprecated.
static Map<String,DNSEntry[]>	srv_cache	Deprecated.

Constructor Summary

Constructors

Constructor	Description
DNSResolver()	Deprecated.

Method Summary

Modifier and Type	Method	Description
static String	getDefaultHostname()	Deprecated. Method returns default host name associated with this host.
static String[]	getDefHostNames()	Deprecated. Method returns names associated with this host.
static String	getHostIP(String hostname)	Deprecated. Resolve IP address for the given hostname
static String[]	getHostIPs(String hostname)	Deprecated. Resolve all IP addresses for the given hostname
static DNSEntry[]	getHostSRV_Entries(String hostname)	Deprecated. Retrieves list of SRV DNS entries for given hostname.
static DNSEntry[]	getHostSRV_Entries(String hostname, String service, int defPort)	Deprecated. Retrieves list of DNS entries for given hostname.
static DNSEntry	getHostSRV_Entry(String hostname)	Deprecated. Retrieves service DNS entry with highest priority for given hostname.
static DNSEntry	getHostSRV_Entry(String hostname, String service, int defPort)	Deprecated. Retrieves list of DNS entries for given hostname.
static String	getHostSRV_IP(String hostname)	Deprecated. Returns IP address of the machine providing the service.
static void	main(String[] args)	Deprecated. main method outputting various information about hostnames

Methods inherited from class java.lang.Object

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

Field Detail

ip_cache

public static Map<String,DNSEntry> ip_cache

Deprecated.

srv_cache

public static Map<String,DNSEntry[]> srv_cache

Deprecated.

Constructor Detail

DNSResolver

public DNSResolver()

Deprecated.

Method Detail

getDefHostNames

public static String[] getDefHostNames()

Deprecated.

Method returns names associated with this host.

Returns:

array of strings

getDefaultHostname

public static String getDefaultHostname()

Deprecated.

Method returns default host name associated with this host.

Returns:

string

getHostIP

public static String getHostIP(String hostname)
                        throws UnknownHostException

Deprecated.

Resolve IP address for the given hostname

Parameters:

hostname - the domain name for which this record is valid

Returns:

IP address of the machine providing the service.

Throws:

UnknownHostException

getHostIPs

public static String[] getHostIPs(String hostname)
                           throws UnknownHostException

Deprecated.

Resolve all IP addresses for the given hostname

Parameters:

hostname - the domain name for which this record is valid

Returns:

Array of all IP addresses on which target host provide service.

Throws:

UnknownHostException

getHostSRV_Entries

public static DNSEntry[] getHostSRV_Entries(String hostname)
                                     throws UnknownHostException

Deprecated.

Retrieves list of SRV DNS entries for given hostname. Performs lookup for _xmpp-server._tcp SRV records.

Parameters:

hostname - the domain name for which this record is valid

Returns:

Array of the DNSEntry objects containing SRV DNS records

Throws:

UnknownHostException

getHostSRV_Entries

public static DNSEntry[] getHostSRV_Entries(String hostname,
                                            String service,
                                            int defPort)
                                     throws UnknownHostException

Deprecated.

Retrieves list of DNS entries for given hostname. Allow specifying particular type of SRV record.

Parameters:

hostname - the domain name for which this record is valid

service - type of SRV records, for example _xmpp-server._tcp

defPort - default port number in case DNS records is missing one.

Returns:

Array of the DNSEntry records

Throws:

UnknownHostException

getHostSRV_Entry

public static DNSEntry getHostSRV_Entry(String hostname)
                                 throws UnknownHostException

Deprecated.

Retrieves service DNS entry with highest priority for given hostname. Performs lookup for _xmpp-server._tcp SRV records.

Parameters:

hostname - name to resolve

Returns:

DNSEntry object containing DNS record with highest priority for given hostname

Throws:

UnknownHostException

getHostSRV_Entry

public static DNSEntry getHostSRV_Entry(String hostname,
                                        String service,
                                        int defPort)
                                 throws UnknownHostException

Deprecated.

Retrieves list of DNS entries for given hostname. Allow specifying particular type of SRV record.

Parameters:

hostname - name to resolve

service - type of SRV records, for example _xmpp-server._tcp

defPort - default port number in case DNS records is missing one.

Returns:

DNSEntry object containing DNS record with highest priority for given hostname

Throws:

UnknownHostException

getHostSRV_IP

public static String getHostSRV_IP(String hostname)
                            throws UnknownHostException

Deprecated.

Returns IP address of the machine providing the service.

Parameters:

hostname - the domain name for which this record is valid

Returns:

Throws:

UnknownHostException

main

public static void main(String[] args)
                 throws Exception

Deprecated.

main method outputting various information about hostnames

Parameters:

args - a String[] containing domains to query, if none provided default one will be used

Throws:

Exception