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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