javax.faces.component.UniqueIdVendor Maven / Gradle / Ivy
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package javax.faces.component;
import javax.faces.context.FacesContext;
/**
* UniqueIdVendor is an
* interface implemented by UIComponents that also
* implement {@link NamingContainer} so that they can provide unique ids
* based on their own clientId. This will reduce the amount of id
* generation variance between different renderings of the same view and
* is helpful for improved state saving.
*
* @since 2.0
*/
public interface UniqueIdVendor {
/**Generate an identifier for a component. The identifier
* will be prefixed with UNIQUE_ID_PREFIX, and will be unique
* within this component-container. Optionally, a unique seed value can
* be supplied by component creators which should be
* included in the generated unique id.
*
* @param context FacesContext
* @param seed an optional seed value - e.g. based on the position of the component in the VDL-template
* @return a unique-id in this component-container
*/
public String createUniqueId(FacesContext context, String seed);
}