Module jakarta.faces

Package jakarta.faces.event

Interface PhaseListener

All Superinterfaces:

EventListener, Serializable

All Known Implementing Classes:

ELResolverInitPhaseListener, HttpMethodRestrictionsPhaseListener

public interface PhaseListener
extends EventListener, Serializable

An interface implemented by objects that wish to be notified at the beginning and ending of processing for each standard phase of the request processing lifecycle.

Method Summary

Modifier and Type	Method	Description
default void	afterPhase(PhaseEvent event)	Handle a notification that the processing for a particular phase has just been completed.
default void	beforePhase(PhaseEvent event)	Handle a notification that the processing for a particular phase of the request processing lifecycle is about to begin.
PhaseId	getPhaseId()	Return the identifier of the request processing phase during which this listener is interested in processing PhaseEvent events.

Method Details

afterPhase

default void afterPhase(PhaseEvent event)

Handle a notification that the processing for a particular phase has just been completed.

Parameters:

event - the phase event.

beforePhase

default void beforePhase(PhaseEvent event)

Handle a notification that the processing for a particular phase of the request processing lifecycle is about to begin.

Parameters:

event - the phase event.

getPhaseId

PhaseId getPhaseId()

Return the identifier of the request processing phase during which this listener is interested in processing PhaseEvent events. Legal values are the singleton instances defined by the PhaseId class, including PhaseId.ANY_PHASE to indicate an interest in being notified for all standard phases.

Returns:

the phase id.