[jira] [Created] (WW-4224) Collection Parameters for RedirectResults

["Christoph Nenning (JIRA)" <ji...@apache.org>]

Christoph Nenning created WW-4224:
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             Summary: Collection Parameters for RedirectResults
                 Key: WW-4224
                 URL: https://issues.apache.org/jira/browse/WW-4224
             Project: Struts 2
          Issue Type: Improvement
          Components: Core Actions
    Affects Versions: 2.3.15.3
            Reporter: Christoph Nenning
            Priority: Minor


In some applications I have actions with a list member. That may be filled e.g. via checkboxlist. As we use Redirect-After-Post I want all list-elements to be present in redirect URL.

The framework provided ServletRedirectResult uses 
StrutsResultSupport.conditionalParse()
which in turn uses 
TextParseUtil.translateVariables()
to resolve variables present as parameter values of a redirect result.

Those methods convert the found object into String. When a collection is found just toString() is invoked. That is not quite useful.

I would like to duplicate the URL-parameter-name for each element in the found collection.

Therefore I added new Methods (with javadoc and tests):
- StrutsResultSupport.conditionalParseCollection()
- TextParseUtil.translateVariablesCollection()
and using them in ServletRedirectResult.

URL building itself does already support collections as paramter values.

The problem was just that TextParseUtil forced the collection found on ValueStack into a string.




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