[jira] [Updated] (WW-4170) Allow String arrays/iterables to be passed as params to redirectAction result

["Lukasz Lenart (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/WW-4170?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Lukasz Lenart updated WW-4170:
------------------------------

    Fix Version/s: 2.3.17
    
> Allow String arrays/iterables to be passed as params to redirectAction result
> -----------------------------------------------------------------------------
>
>                 Key: WW-4170
>                 URL: https://issues.apache.org/jira/browse/WW-4170
>             Project: Struts 2
>          Issue Type: Improvement
>          Components: Other
>    Affects Versions: 2.3.15.1
>            Reporter: Jasper Rosenberg
>              Labels: result
>             Fix For: 2.3.17
>
>
> It would be really nice to be able to have a result like:
> {code:xml}
> <result type="redirectAction">
>   <param name="actionName">doit</param>
>   <param name=actionMessages>${actionMessages}</param>
> </result>
> {code}
> Where actionMessages is the result of getActionMessages() from a ValidationAware action, and has more than one message.
> And have that generate a url like: http://myco.com/doit.action?actionMessages=Message+1&actionMessages=Message+2
> Rather than convert the result into the toString of the collection which then can't be interpreted by struts on the other end as a collection.  
> Looking at ServletRedirectResult.doExecute(), it does use urlHelper.buildParametersString() which is array/iterable aware, so the trick would be to allow the parsing of the parameter value to be a String[] or Iterable<String> (and have the ParsedValueEvaluator run against the contents).
> We'd probably only want to support this functionality for the ServletActionRedirectResult even though it would have to be implemented at the ServletRedirectResult layer.

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