Package javax.jmdns.impl.tasks.resolver

Class ServiceResolver

java.lang.Object

java.util.TimerTask

javax.jmdns.impl.tasks.DNSTask

javax.jmdns.impl.tasks.resolver.DNSResolverTask

javax.jmdns.impl.tasks.resolver.ServiceResolver

All Implemented Interfaces:

Runnable

public class ServiceResolver
extends DNSResolverTask

The ServiceResolver queries three times consecutively for services of a given type, and then removes itself from the timer.

The ServiceResolver will run only if JmDNS is in state ANNOUNCED. REMIND: Prevent having multiple service resolvers for the same type in the timer queue.

Field Summary

Fields

Modifier and Type	Field	Description
private final String	_type

Fields inherited from class javax.jmdns.impl.tasks.resolver.DNSResolverTask

_count

Constructor Summary

Constructors

Constructor	Description
ServiceResolver(JmDNSImpl jmDNSImpl, String type)

Method Summary

Modifier and Type	Method	Description
protected DNSOutgoing	addAnswers(DNSOutgoing out)	Overridden by subclasses to add questions to the message. Note: Because of message size limitation the returned message may be different than the message parameter.
protected DNSOutgoing	addQuestions(DNSOutgoing out)	Overridden by subclasses to add questions to the message. Note: Because of message size limitation the returned message may be different than the message parameter.
protected String	description()	Returns a description of the resolver for debugging
String	getName()	Return this task name.

Methods inherited from class javax.jmdns.impl.tasks.resolver.DNSResolverTask

run, start, toString

Methods inherited from class javax.jmdns.impl.tasks.DNSTask

addAdditionalAnswer, addAnswer, addAnswer, addAuthoritativeAnswer, addQuestion, getDns

Methods inherited from class java.util.TimerTask

cancel, scheduledExecutionTime

Methods inherited from class java.lang.Object

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

Field Details

_type

private final String _type

Constructor Details

ServiceResolver

public ServiceResolver(JmDNSImpl jmDNSImpl,
 String type)

Method Details

getName

public String getName()

Description copied from class: DNSTask

Return this task name.

Specified by:

getName in class DNSTask

Returns:

task name

addAnswers

protected DNSOutgoing addAnswers(DNSOutgoing out)
                          throws IOException

Description copied from class: DNSResolverTask

Overridden by subclasses to add questions to the message.
Note: Because of message size limitation the returned message may be different than the message parameter.

Specified by:

addAnswers in class DNSResolverTask

Parameters:

out - outgoing message

Returns:

the outgoing message.

Throws:

IOException

addQuestions

protected DNSOutgoing addQuestions(DNSOutgoing out)
                            throws IOException

Description copied from class: DNSResolverTask

Overridden by subclasses to add questions to the message.
Note: Because of message size limitation the returned message may be different than the message parameter.

Specified by:

addQuestions in class DNSResolverTask

Parameters:

out - outgoing message

Returns:

the outgoing message.

Throws:

IOException

description

protected String description()

Description copied from class: DNSResolverTask

Returns a description of the resolver for debugging

Specified by:

description in class DNSResolverTask

Returns:

resolver description