Is there any convenient ways to check some constraints before processing the
request to any view? Something like but not so bounded to access rights.
Something like navigation rule but before execute action phase.
Simple example, and ALL needs it:
I want to redirect already loginned user to welcome page, if he tries to visit
login page. No error messages, no warnings.
I don't want to create special user rights for this or add page action which
will check if user is already loginned and then process special outcome from
this action - this inforces me to do something that can break my previous
logic.
So, I just want to add to some pre-condition with navigation which should be
done if this condition is true.
Like:
<page view-id="/item.xhtml">
| <navigation>
| <rule if-before="#{indentity.loggedIn}">
| <redirect view-id="/welcome.html"/>
| </rule>
| </page>
|
How can I do it in Seam 2.0 GA?
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