javax.faces.context.ExceptionHandlerFactory Maven / Gradle / Ivy
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package javax.faces.context;
import javax.faces.FacesWrapper;
/**
* ExceptionHandlerFactory
* is a factory object that creates (if needed) and returns a new {@link
* ExceptionHandler} instance.
*
*
* There must be one ExceptionHandlerFactory instance per web
* application that is utilizing JavaServer Faces. This instance can be
* acquired, in a portable manner, by calling:
*
*
* ExceptionHandlerFactory factory = (ExceptionHandlerFactory)
* FactoryFinder.getFactory(FactoryFinder.EXCEPTION_HANDLER_FACTORY);
*
*
*
*
* @since 2.0
*/
public abstract class ExceptionHandlerFactory implements FacesWrapper {
/**
* 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.
*/
public ExceptionHandlerFactory getWrapped() {
return null;
}
/**
* Create and return a A new
* ExceptionHandler instance. The implementation must return
* an ExceptionHandler instance suitable for the environment.
* For example, in some cases it may be desirable for an
* ExceptionHandler to write error information
* to the response instead of throwing exceptions as in the case of
* Ajax applications.
*/
public abstract ExceptionHandler getExceptionHandler();
}