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package javax.faces.application;
import javax.faces.FacesWrapper;
/**
* ApplicationFactory is a
* factory object that creates
* (if needed) and returns {@link Application} instances. Implementations of
* JavaServer Faces must provide at least a default implementation of
* {@link Application}.
*
* There must be one {@link ApplicationFactory} instance per web
* application that is utilizing JavaServer Faces. This instance can be
* acquired, in a portable manner, by calling:
*
* ApplicationFactory factory = (ApplicationFactory)
* FactoryFinder.getFactory(FactoryFinder.APPLICATION_FACTORY);
*
*/
public abstract class ApplicationFactory implements FacesWrapper {
public ApplicationFactory() {
}
/**
* If this factory has been decorated, the
* implementation doing the decorating may override this method to provide
* access to the implementation being wrapped. A default implementation
* is provided that returns null.
*
* @since 2.0
*/
public ApplicationFactory getWrapped() {
return null;
}
/**
* Create (if needed) and return an {@link Application} instance
* for this web application.
*/
public abstract Application getApplication();
/**
* Replace the {@link Application} instance that will be
* returned for this web application.
*
* @throws NullPointerException if application
* is null.
* @param application The replacement {@link Application} instance
*/
public abstract void setApplication(Application application);
}