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package javax.faces.application;
import org.w3c.dom.Document;
/**
*
* <p class="changed_added_2_2">
* This class defines a {@code java.util.ServiceLoader} service which enables programmatic
* configuration of the JSF runtime using the existing Application Configuration Resources schema.
* See the section "Application Startup Behavior" in the specification prose document for the
* specification on when and how implementations of this service are used.
* </p>
*
* @since 2.2
*
*/
public abstract class ApplicationConfigurationPopulator {
/**
* <p class="changed_added_2_2">
* Service providers that implement this service must be called by the JSF runtime exactly once
* for each implementation, at startup, before any requests have been serviced. Before calling
* the {@link #populateApplicationConfiguration} method, the runtime must ensure that the
* {@code Document} argument is empty aside from being pre-configured to be in the proper
* namespace for an Application Configuration Resources file: {@code
* http://xmlns.jcp.org/xml/ns/javaee}. Implementations of this service must ensure that any
* changes made to the argument {@code
* Document} conform to that schema as defined in the specification. The JSF runtime is not
* required to validate the {@code Document} after control returns from the service
* implementation, though it may do so.
* </p>
*
* <div class="changed_added_2_2">
*
* <p>
* Ordering of Artifacts
* </p>
*
* <p>
* If the document is made to contain an {@code <ordering>} element, as specified in the section
* <em>Ordering of Artifacts</em> in the specification prose document, the document will be
* prioritized accordingly. Otherwise, the runtime must place the document in the list of other
* Application Configuration Resources documents at the "lowest" priority, meaning any conflicts
* that may arise between the argument document and any other Application Configuration
* Resources are resolved in favor of the other document.
* </p>
*
* </div>
*
* @param toPopulate The Document to populate with configuration.
*
* @since 2.2
*/
public abstract void populateApplicationConfiguration(Document toPopulate);
}