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This is the master POM file for Oracle's Implementation of the JSF 2.2 Specification.

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package javax.faces.context;

import javax.faces.FacesException;
import javax.faces.FacesWrapper;

/**
 * 

ExternalContextFactory * is a factory object that creates * (if needed) and returns new {@link ExternalContext} instances, initialized * for the processing of the specified request and response objects.

* *

There must be one ExternalContextFactory instance per web * application that is utilizing JavaServer Faces. This instance can be * acquired, in a portable manner, by calling:

*
 *   ExternalContextFactory factory = (ExternalContextFactory)
 *    FactoryFinder.getFactory(FactoryFinder.EXTERNAL_CONTEXT_FACTORY);
 * 
* */ public abstract class ExternalContextFactory implements FacesWrapper { public ExternalContextFactory() { } /** *

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 ExternalContextFactory getWrapped() { return null; } /** *

Create (if needed) * and return an {@link ExternalContext} instance that is initialized * for the processing of the specified request and response objects, * for this web application.

* * @param context In servlet environments, the * ServletContext that is associated with this web * application * @param request In servlet environments, the * ServletRequest that is to be processed * @param response In servlet environments, the * ServletResponse that is to be processed * * @throws FacesException if a {@link ExternalContext} cannot be * constructed for the specified parameters * @throws NullPointerException if any of the parameters * are null */ public abstract ExternalContext getExternalContext (Object context, Object request, Object response) throws FacesException; }




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