com.liferay.faces.util.render.internal

Class ResourceRendererUtilImpl

java.lang.Object

javax.faces.render.Renderer

javax.faces.render.RendererWrapper

com.liferay.faces.util.render.internal.ResourceRendererUtilImpl

All Implemented Interfaces:

EventListener, javax.faces.component.StateHolder, javax.faces.event.ComponentSystemEventListener, javax.faces.event.FacesListener, javax.faces.FacesWrapper<javax.faces.render.Renderer>

public class ResourceRendererUtilImpl
extends javax.faces.render.RendererWrapper
implements javax.faces.event.ComponentSystemEventListener, javax.faces.component.StateHolder

This class wraps resources and uses ResourceVerifier.isDependencySatisfied(FacesContext, UIComponent) to determine if the resources should be rendered.

Author:

Kyle Stiemann

Field Summary

Fields inherited from class javax.faces.render.Renderer

PASSTHROUGH_RENDERER_LOCALNAME_KEY

Constructor Summary

Constructors

Constructor and Description
ResourceRendererUtilImpl() This zero-arg constructor is required by the StateHolderSaver class during the RESTORE_VIEW phase of the JSF lifecycle.
ResourceRendererUtilImpl(javax.faces.render.Renderer wrappedRenderer)

Method Summary

Methods

Modifier and Type	Method and Description
void	encodeBegin(javax.faces.context.FacesContext facesContext, javax.faces.component.UIComponent uiComponent)
void	encodeChildren(javax.faces.context.FacesContext facesContext, javax.faces.component.UIComponent uiComponent)
void	encodeEnd(javax.faces.context.FacesContext facesContext, javax.faces.component.UIComponent uiComponent)
javax.faces.render.Renderer	getWrapped()
boolean	isTransient()
void	processEvent(javax.faces.event.ComponentSystemEvent event) Since the Mojarra com.sun.faces.renderkit.html_basic.ScriptStyleBaseRenderer class implements ComponentSystemEventListener, this class must implement that interface too, since this is a wrapper type of class.
void	restoreState(javax.faces.context.FacesContext facesContext, Object state)
Object	saveState(javax.faces.context.FacesContext facesContext)
void	setTransient(boolean transientFlag)

Methods inherited from class javax.faces.render.RendererWrapper

convertClientId, decode, getConvertedValue, getRendersChildren

Methods inherited from class java.lang.Object

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

Constructor Detail

ResourceRendererUtilImpl

public ResourceRendererUtilImpl()

This zero-arg constructor is required by the StateHolderSaver class during the RESTORE_VIEW phase of the JSF lifecycle. The reason why this class is involved in restoring state is because the UIComponent.ComponentSystemEventListenerAdapter implements StateHolder and will attempt to restore the state of any class in the restored view that implements ComponentSystemEventListener. It does this first by instantiating the class with a zero-arg constructor, and then calls the restoreState(FacesContext, Object) method.

ResourceRendererUtilImpl

public ResourceRendererUtilImpl(javax.faces.render.Renderer wrappedRenderer)

Method Detail

encodeBegin

public void encodeBegin(javax.faces.context.FacesContext facesContext,
               javax.faces.component.UIComponent uiComponent)
                 throws IOException

Overrides:

encodeBegin in class javax.faces.render.RendererWrapper

Throws:

IOException

encodeChildren

public void encodeChildren(javax.faces.context.FacesContext facesContext,
                  javax.faces.component.UIComponent uiComponent)
                    throws IOException

Overrides:

encodeChildren in class javax.faces.render.RendererWrapper

Throws:

IOException

encodeEnd

public void encodeEnd(javax.faces.context.FacesContext facesContext,
             javax.faces.component.UIComponent uiComponent)
               throws IOException

Overrides:

encodeEnd in class javax.faces.render.RendererWrapper

Throws:

IOException

getWrapped

public javax.faces.render.Renderer getWrapped()

Specified by:

getWrapped in interface javax.faces.FacesWrapper<javax.faces.render.Renderer>

Overrides:

getWrapped in class javax.faces.render.RendererWrapper

isTransient

public boolean isTransient()

Specified by:

isTransient in interface javax.faces.component.StateHolder

processEvent

public void processEvent(javax.faces.event.ComponentSystemEvent event)
                  throws javax.faces.event.AbortProcessingException

Since the Mojarra com.sun.faces.renderkit.html_basic.ScriptStyleBaseRenderer class implements ComponentSystemEventListener, this class must implement that interface too, since this is a wrapper type of class. Mojarra uses this method to intercept PostAddToViewEvent in order to add script and link resources to the head (if the target attribute has a value of "head").

Specified by:

processEvent in interface javax.faces.event.ComponentSystemEventListener

Throws:

javax.faces.event.AbortProcessingException

restoreState

public void restoreState(javax.faces.context.FacesContext facesContext,
                Object state)

Specified by:

restoreState in interface javax.faces.component.StateHolder

saveState

public Object saveState(javax.faces.context.FacesContext facesContext)

Specified by:

saveState in interface javax.faces.component.StateHolder

setTransient

public void setTransient(boolean transientFlag)

Specified by:

setTransient in interface javax.faces.component.StateHolder