com.liferay.faces.bridge.event
Class ManagedBeanScopePhaseListener

java.lang.Object
  com.liferay.faces.bridge.event.ManagedBeanScopePhaseListener

All Implemented Interfaces:

Serializable, EventListener, javax.faces.event.PhaseListener

public class ManagedBeanScopePhaseListener
extends Object
implements javax.faces.event.PhaseListener

According to the JSF 2.0 JavaDocs for ExternalContext.getApplicationMap, before a managed-bean is removed from the map, any public no-argument void return methods annotated with javax.annotation.PreDestroy must be called first. This would be equally true of any custom JSF 2.0 scope, such as the bridgeRequestScope. This class is a JSF PhaseListener that listens after the RENDER_RESPONSE phase completes. Its purpose is to force the managed-beans in bridgeRequestScope and requestScope to go out-of-scope which will in turn cause any annotated PreDestroy methods to be called.

Note that this functionality is implemented as a PhaseListener because I couldn't get it to work after the lifecycle terminated. My suspicion is that Mojarra has some servlet dependency stuff going on. Specifically, Mojarra's WebappLifecycleListener might be getting invoked or something. The strange thing is that it appears that Mojarra makes managed-beans go away, but not by calling the map.clear() or map.remove() methods. Mojarra apparently handles things with a listener that captures ServletContext attribute events, which may also be playing a role. Anyway, doing this with a PhaseListener seems to work.

Author:

Neil Griffin

See Also:

Serialized Form

Constructor Summary

ManagedBeanScopePhaseListener()

Method Summary

void	afterPhase(javax.faces.event.PhaseEvent phaseEvent)
void	beforePhase(javax.faces.event.PhaseEvent phaseEvent)
javax.faces.event.PhaseId	getPhaseId()

Methods inherited from class java.lang.Object

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

Constructor Detail

ManagedBeanScopePhaseListener

public ManagedBeanScopePhaseListener()

Method Detail

afterPhase

public void afterPhase(javax.faces.event.PhaseEvent phaseEvent)

Specified by:

afterPhase in interface javax.faces.event.PhaseListener

beforePhase

public void beforePhase(javax.faces.event.PhaseEvent phaseEvent)

Specified by:

beforePhase in interface javax.faces.event.PhaseListener

getPhaseId

public javax.faces.event.PhaseId getPhaseId()

Specified by:

getPhaseId in interface javax.faces.event.PhaseListener