javax.faces.view.facelets.Metadata Maven / Gradle / Ivy
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package javax.faces.view.facelets;
/**
* There are concrete subclasses within the
* implementation that map concepts in the Facelet VDL page to JSF Java
* API calls the appropriate instances. For example, the
* “validator” attribute on an input component
* is specified to point to a MethodExpression that
* references a method that performs the validation. There is a
* concrete subclass of Metadata to perform this action
* when that attribute appears in a Facelet VDL page.
*
* @since 2.0
*/
public abstract class Metadata {
/**
* Take the action prescribed in the
* JSF specification for this particular VDL element attribute.
*
* @param ctx The FaceletContext for this request.
* @param instance The instance from the JSF Java API on which the
* action should be taken. For example, an instance of {@link
* javax.faces.component.EditableValueHolder}.
*/
public abstract void applyMetadata(FaceletContext ctx, Object instance);
}