/**
* Build the view.
*
* @param ctx the {@link FacesContext} for the current request
* @param view the {@link UIViewRoot} to populate based of the Facelet template
* @throws IOException if an error occurs building the view.
*/
@Override
public void buildView(FacesContext ctx, UIViewRoot view) throws IOException {
if (Util.isViewPopulated(ctx, view)) {
return;
}
updateStateSavingType(ctx, view.getViewId());
view.setViewId(view.getViewId());
if (LOGGER.isLoggable(Level.FINE)) {
LOGGER.fine("Building View: " + view.getViewId());
}
if (faceletFactory == null) {
ApplicationAssociate associate = ApplicationAssociate.getInstance(ctx.getExternalContext());
faceletFactory = associate.getFaceletFactory();
assert (faceletFactory != null);
}
RequestStateManager.set(ctx, RequestStateManager.FACELET_FACTORY, faceletFactory);
Facelet f = faceletFactory.getFacelet(view.getViewId());
// populate UIViewRoot
f.apply(ctx, view);
doPostBuildActions(view);
Util.setViewPopulated(ctx, view);
}
private void applyCompositeComponent(FaceletContext ctx, UIComponent c) throws IOException {
FacesContext facesContext = ctx.getFacesContext();
FaceletFactory factory =
(FaceletFactory) RequestStateManager.get(facesContext, RequestStateManager.FACELET_FACTORY);
VariableMapper orig = ctx.getVariableMapper();
UIPanel facetComponent;
if (ComponentHandler.isNew(c)) {
facetComponent = (UIPanel) facesContext.getApplication().createComponent("javax.faces.Panel");
facetComponent.setRendererType("javax.faces.Group");
c.getFacets().put(UIComponent.COMPOSITE_FACET_NAME, facetComponent);
} else {
facetComponent = (UIPanel) c.getFacets().get(UIComponent.COMPOSITE_FACET_NAME);
}
assert (null != facetComponent);
try {
Facelet f = factory.getFacelet(ccResource.getURL());
VariableMapper wrapper =
new VariableMapperWrapper(orig) {
@Override
public ValueExpression resolveVariable(String variable) {
return super.resolveVariable(variable);
}
};
ctx.setVariableMapper(wrapper);
f.apply(facesContext, facetComponent);
} finally {
ctx.setVariableMapper(orig);
}
}
@Override
public BeanInfo getComponentMetadata(FacesContext context, Resource ccResource) {
// PENDING this implementation is terribly wasteful.
// Must find a better way.
CompositeComponentBeanInfo result;
FaceletContext ctx =
(FaceletContext) context.getAttributes().get(FaceletContext.FACELET_CONTEXT_KEY);
FaceletFactory factory =
(FaceletFactory) RequestStateManager.get(context, RequestStateManager.FACELET_FACTORY);
VariableMapper orig = ctx.getVariableMapper();
UIComponent tmp = context.getApplication().createComponent("javax.faces.NamingContainer");
UIPanel facetComponent =
(UIPanel) context.getApplication().createComponent("javax.faces.Panel");
facetComponent.setRendererType("javax.faces.Group");
tmp.getFacets().put(UIComponent.COMPOSITE_FACET_NAME, facetComponent);
// We have to put the resource in here just so the classes that eventually
// get called by facelets have access to it.
tmp.getAttributes().put(Resource.COMPONENT_RESOURCE_KEY, ccResource);
Facelet f;
try {
f = factory.getFacelet(ccResource.getURL());
VariableMapper wrapper =
new VariableMapperWrapper(orig) {
@Override
public ValueExpression resolveVariable(String variable) {
return super.resolveVariable(variable);
}
};
ctx.setVariableMapper(wrapper);
context.getAttributes().put(IS_BUILDING_METADATA, Boolean.TRUE);
f.apply(context, facetComponent);
} catch (Exception e) {
if (e instanceof FacesException) {
throw (FacesException) e;
} else {
throw new FacesException(e);
}
} finally {
context.getAttributes().remove(IS_BUILDING_METADATA);
ctx.setVariableMapper(orig);
}
result = (CompositeComponentBeanInfo) tmp.getAttributes().get(UIComponent.BEANINFO_KEY);
return result;
}