[jira] [Resolved] (WW-4865) Struts s:checkbox conversion fails to List

["Aleksandr Mashchenko (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/WW-4865?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aleksandr Mashchenko resolved WW-4865.
--------------------------------------
    Resolution: Fixed

> Struts s:checkbox conversion fails to List<Integer>
> ---------------------------------------------------
>
>                 Key: WW-4865
>                 URL: https://issues.apache.org/jira/browse/WW-4865
>             Project: Struts 2
>          Issue Type: Bug
>          Components: Core, Core Tags
>    Affects Versions: 2.5.13
>            Reporter: Burton Rhodes
>            Priority: Minor
>             Fix For: 2.6
>
>   Original Estimate: 24h
>  Remaining Estimate: 24h
>
> Struts <s:checkbox> is not converted correctly to List<Integer> when only one checkbox element is present and checkbox is not checked.
> [Given]
> 1) Mapping s:checkbox to a List<Integer>
> 2) there is only one checkbox in the list
> 3) the checkbox is not checked when the form is submitted.  
> [Result]
> Input invalid
> The issue is caused by the checkbox tag using the "submit unchecked values" design pattern.  As a result, the code base tries to convert the value of the single unchecked element to false (rather than not setting any value of the List<Integer>).
> Fix: Allow the developer to choose if the "submit unchecked values" is to be implemented.  Add a new parameter to the s:checkbox tag ("requiredValue").  Default of requiredValue=true for backwards compatibility.  When set to false, no hidden input values will be displayed in the view.  This flexibility might be needed in other scenarios as well.
> Pull Request:  https://github.com/apache/struts/pull/169



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