Jasper Rosenberg created WW-4170:
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Summary: 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
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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