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From "David Brunette" <>
Subject Checking for navigation rule
Date Fri, 31 Aug 2007 15:25:48 GMT

     Hi everybody.


     Is there an easy way for an action method to check for the
existence of a navigation rule before returning the outcome String?  I
know that the normal functionality is that, if you return an outcome
that does not match to an existing navigation rule, the same view will
be shown again.  But I'd like to check for that nav rule before
returning from the action method so I can go do something else instead
of just showing the same page again.


     I've done something like the following, but this doesn't seem to be
the most efficient since I'd be creating the ViewRoot once in
handleNavigation() and then again when I return the outcome.


public String actionMethod() {

   String outcome = "someOutcome";

   UIViewRoot oldView = facesContext.getViewRoot();

facesContext, null, outcome );

   if( facesContext.getViewRoot() == oldRoot ) {

      // No nav rule found, do something else...

      outcome = getOutcomeFromElsewhere();


   return outcome;



     Any alternatives?  Thanks...



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