* Returns the {@link DefaultSpringFacesContext}.
* @param required if the context is required
* @return the {@link DefaultSpringFacesContext}
*/
private DefaultSpringFacesContext getSpringFacesContext(boolean required) {
SpringFacesContext springFacesContext = SpringFacesContext.getCurrentInstance(required);
if (springFacesContext == null) {
return null;
}
Assert.isInstanceOf(DefaultSpringFacesContext.class, springFacesContext, "Unable to access SpringFacesContext ");
return (DefaultSpringFacesContext) springFacesContext;