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 void apply(FaceletContext ctx, UIComponent parent) throws IOException {
String variable = this.var.getValue(ctx);
ValueExpression obj = this.value.getValueExpression(ctx, Object.class);
/*Object resolved = obj.getValue(ctx);
ctx.getVariableMapper().setVariable(variable,
ctx.getExpressionFactory().createValueExpression(resolved, Object.class));*/
ctx.getVariableMapper().setVariable(variable, obj);
}
@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;
}
@Override
public void apply(FaceletContext ctx, UIComponent parent)
throws IOException, FacesException, FaceletException, ELException {
if (parent instanceof ActionSource) {
// only process if parent was just created
if (parent.getParent() == null) {
ActionSource src = (ActionSource) parent;
ActionListener listener =
new MethodExpressionActionListener(
new MetaMethodExpression(
value.getMethodExpression(ctx, null, ACTION_LISTENER_SIG),
ctx.getFunctionMapper(),
ctx.getVariableMapper()));
src.addActionListener(listener);
}
} else {
throw new TagException(tag, "Parent is not of type ActionSource, type is: " + parent);
}
}
/*
* (non-Javadoc)
*
* @see com.sun.facelets.FaceletHandler#apply(com.sun.facelets.FaceletContext,
* javax.faces.component.UIComponent)
*/
public void apply(FaceletContext ctx, UIComponent parent) throws IOException {
String nameStr = this.name.getValue(ctx);
ValueExpression valueVE = this.value.getValueExpression(ctx, Object.class);
ctx.getVariableMapper().setVariable(nameStr, valueVE);
}