validation.xml and action calls
-------------------------------
Key: WW-1400
URL: http://issues.apache.org/struts/browse/WW-1400
Project: Struts 2
Issue Type: Improvement
Environment: linux,win2000,jboss
Reporter: Geoff Simpson
The way the validation is currently working is not very well designed (unless
i'm missing something). When the form validation fails the call is forwarded
straight to the jsp. This means there is not chance to setup request / session
objects for dynamic drop menu's in the jsp. There is a work around using
validwhen but it's not very clean, it would be much better to call the execute
method of the action script even when auto validation determines the page is
not valid.
The work around is to use vadidwhen so that fill call (action is null) the
validation will pass and the variables can be stored in the session.
<field property="country" depends="validwhen">
<arg0 key="userRegistrationForm.country"/>
<var>
<var-name>test</var-name>
<var-value>((action == null) or (*this* !=
null))</var-value>
</var>
</field>
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