In JSF2, how to know if composite component has children?

Question

I\'m writing a composite component, you have a special tag named:

Which inserts all the component\'s chi

Answer 1

The basic expression you're after is the following:

#{cc.childCount} or more elaborately:

#{component.getCompositeComponentParent(component).childCount}

E.g. the following composite component:

used on the following Facelet:

will print Children: 2.

Thus #{cc.childCount != 0} will tell you whether a composite component has children or not.