How to findout component-family and renderer-type of a JSF component

Question

How can I findout the component-family and the (default) renderer-type of a JSF component?

These information are necessary when (overriding custom renderers) using

Answer 1

Programmatically, you could find them out by just printing UIComponent#getFamily() and UIComponent#getRendererType().

Documentary, you could find them out by just looking in the javadoc of the component implementation. For example, is represented by the HtmlInputText class. The renderer type can be found in the last paragraph of the introductory text of the javadoc:

By default, the rendererType property must be set to "javax.faces.Text".

The component family can be found by checking the value of COMPONENT_FAMILY constant field value (which is inherited from UIInput). Click your way through the Fields inherited from class javax.faces.component.UIInput - COMPONENT_FAMILY - Constant Field Values

COMPONENT_FAMILY "javax.faces.Input"

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Unrelated to the concrete problem: you cannot override the default JSF renderers by the @FacesRenderer annotation. The default renderer would always get prededence. This is by design, see also issue 1748. You really need to register them explicitly as in the faces-config.xml the JSF 1.x way.

    
        javax.faces.Input
        javax.faces.Text
        com.example.CustomTextRenderer