/** @see FacesContext#setViewRoot(javax.faces.component.UIViewRoot) */
public void setViewRoot(UIViewRoot root) {
assertNotReleased();
Util.notNull("root", root);
if (viewRoot != null && !viewRoot.equals(root)) {
Map<String, Object> viewMap = viewRoot.getViewMap(false);
if (viewMap != null) {
viewRoot.getViewMap().clear();
}
}
viewRoot = root;
}
public void processEvent(SystemEvent event) throws AbortProcessingException {
if (event instanceof PostConstructViewMapEvent) {
PostConstructViewMapEvent viewMapEvent = (PostConstructViewMapEvent) event;
UIViewRoot viewRoot = (UIViewRoot) viewMapEvent.getComponent();
viewRoot.getViewMap().put(ViewScope.VIEW_SCOPE_CALLBACKS, new HashMap<String, Runnable>());
} else if (event instanceof PreDestroyViewMapEvent) {
PreDestroyViewMapEvent viewMapEvent = (PreDestroyViewMapEvent) event;
UIViewRoot viewRoot = (UIViewRoot) viewMapEvent.getComponent();
Map<String, Runnable> callbacks =
(Map<String, Runnable>) viewRoot.getViewMap().get(ViewScope.VIEW_SCOPE_CALLBACKS);
if (callbacks != null) {
for (Runnable c : callbacks.values()) {
c.run();
}
callbacks.clear();
}
}
}
protected Map<String, Object> getViewMap() {
UIViewRoot viewRoot = getViewRoot();
if (viewRoot != null) {
return viewRoot.getViewMap(true);
}
return null;
}