Package com.sun.faces.application.view

Class ViewScopeManager

java.lang.Object

com.sun.faces.application.view.ViewScopeManager

All Implemented Interfaces:

FacesListener, SystemEventListener, ViewMapListener, jakarta.servlet.http.HttpSessionListener, EventListener

public class ViewScopeManager
extends Object
implements jakarta.servlet.http.HttpSessionListener, ViewMapListener

The manager that deals with non-CDI and CDI ViewScoped beans.

Field Summary

Fields

Modifier and Type	Field	Description
static String	ACTIVE_VIEW_MAPS	Stores the constants to keep track of the active view maps.
static String	ACTIVE_VIEW_MAPS_SIZE	Stores the constant for the maximum active view map size.
static String	VIEW_MAP	Stores the view map.
static String	VIEW_MAP_ID	Stores the view map id.
static String	VIEW_SCOPE_MANAGER	Stores the constant to keep track of the ViewScopeManager.

Constructor Summary

Constructors

Constructor	Description
ViewScopeManager()	Constructor.

Method Summary

Modifier and Type	Method	Description
void	clear(FacesContext facesContext)	Clear the current view map using the Faces context.
void	clear(FacesContext facesContext, String viewMapId, Map<String,Object> viewMap)	Clear the given view map.
void	clear(FacesContext facesContext, Map<String,Object> viewMap)	Deprecated.
void	destroyBeans(FacesContext facesContext, Map<String,Object> viewMap)	Destroy the managed beans from the given view map.
static ViewScopeManager	getInstance(FacesContext facesContext)	Get our instance.
boolean	isListenerForSource(Object source)	Is a listener for the given source.
protected static String	locateViewMapId(FacesContext facesContext, Map<String,Object> viewMap)	Static method that locates the ID for a view map in the active view maps stored in the session.
void	processEvent(SystemEvent systemEvent)	Process the system event.
void	sessionCreated(jakarta.servlet.http.HttpSessionEvent se)	Create the associated data in the session (if any).
void	sessionDestroyed(jakarta.servlet.http.HttpSessionEvent httpSessionEvent)	Destroy the associated data in the session.

Methods inherited from class java.lang.Object

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

Field Detail

ACTIVE_VIEW_MAPS

public static final String ACTIVE_VIEW_MAPS

Stores the constants to keep track of the active view maps.

See Also:

Constant Field Values

ACTIVE_VIEW_MAPS_SIZE

public static final String ACTIVE_VIEW_MAPS_SIZE

Stores the constant for the maximum active view map size.

See Also:

Constant Field Values

VIEW_MAP

public static final String VIEW_MAP

Stores the view map.

See Also:

Constant Field Values

VIEW_MAP_ID

public static final String VIEW_MAP_ID

Stores the view map id.

See Also:

Constant Field Values

VIEW_SCOPE_MANAGER

public static final String VIEW_SCOPE_MANAGER

Stores the constant to keep track of the ViewScopeManager.

See Also:

Constant Field Values

Constructor Detail

ViewScopeManager

public ViewScopeManager()

Constructor.

Method Detail

locateViewMapId

protected static String locateViewMapId(FacesContext facesContext,
                                        Map<String,Object> viewMap)

Static method that locates the ID for a view map in the active view maps stored in the session. It just performs a == over the view map because it should be the same object.

Parameters:

facesContext - The faces context

viewMap - The view to locate

Returns:

located ID

clear

public void clear(FacesContext facesContext)

Clear the current view map using the Faces context.

Parameters:

facesContext - the Faces context.

clear

@Deprecated
public void clear(FacesContext facesContext,
                  Map<String,Object> viewMap)

Deprecated.

Clear the given view map. Use the version with viewMapId.

Parameters:

facesContext - the Faces context.

viewMap - the view map.

clear

public void clear(FacesContext facesContext,
                  String viewMapId,
                  Map<String,Object> viewMap)

Clear the given view map.

Parameters:

facesContext - the Faces context.

viewMapId - The ID of the view map

viewMap - the view map.

destroyBeans

public void destroyBeans(FacesContext facesContext,
                         Map<String,Object> viewMap)

Destroy the managed beans from the given view map.

Parameters:

facesContext - the Faces Context.

viewMap - the view map.

getInstance

public static ViewScopeManager getInstance(FacesContext facesContext)

Get our instance.

Parameters:

facesContext - the FacesContext.

Returns:

our instance.

isListenerForSource

public boolean isListenerForSource(Object source)

Is a listener for the given source.

Specified by:

isListenerForSource in interface SystemEventListener

Parameters:

source - the source.

Returns:

true if UIViewRoot, false otherwise.

processEvent

public void processEvent(SystemEvent systemEvent)
                  throws AbortProcessingException

Process the system event.

Specified by:

processEvent in interface SystemEventListener

Parameters:

systemEvent - the system event.

Throws:

AbortProcessingException - when processing needs to be aborted.

sessionCreated

public void sessionCreated(jakarta.servlet.http.HttpSessionEvent se)

Create the associated data in the session (if any).

Specified by:

sessionCreated in interface jakarta.servlet.http.HttpSessionListener

Parameters:

se - the HTTP session event.

sessionDestroyed

public void sessionDestroyed(jakarta.servlet.http.HttpSessionEvent httpSessionEvent)

Destroy the associated data in the session.

Specified by:

sessionDestroyed in interface jakarta.servlet.http.HttpSessionListener

Parameters:

httpSessionEvent - the HTTP session event.