Sorry for the delay. I have upgraded to the newest version and everything
seems to be working. Thanks!
On Mon, Sep 25, 2017 at 2:34 AM, Lukasz Lenart <lukaszlen...@apache.org>
wrote:
> 2017-09-25 5:04 GMT+02:00 Burton Rhodes <burtonrho...@gmail.com>:
> > When extending the StrutsTypeConverter, is there anyway to figure out if
> > the "toClass" is a List<Integer> or a List<String>? I have found that
> when
> > converting data from a submitted webpage that has a value of a List in a
> > single variable, the standard struts conversion fails. For example:
> > <s:hidden name="integerList" value="%{integerList}" /> display as
> <s:hidden
> > name="integerList" value="[1,2,3,4,5]" />. When the form submits, this
> > value will not convert properly back into the List. In addition, the
> > conversion fails if you have a list of checkboxes and the user only
> checks
> > one - hence only a single variable being converted to a List.
> >
> > I have solved this issue by creating a MyListConverter, but I have to
> > declare the converter on each action in a [-conversion.properties] file
> > which is now becoming a bit cumbersome since this is such a common
> > occurrence. I have also declared some on my model/entity beans, but
> > still.... I would love to have a more global "List" converter, such as:
> >
> > [xwork-conversion.properties]
> > java.util.List=com.afs.web.converter.MyListConverter
> >
> > Thus any List that is encountered, I could attempt "my conversion" and
> send
> > up the chain of command if the resulting List is not of List<Integer> or
> > List<String>.
> >
> > [Psuedo_Code]
> > public class MyListConverter extends StrutsTypeConverter {
> > public Object convertFromString(Map context, String[] values, Class
> > toClass) {
> > // Is toClass List<Integer>, then try "my" conversion
> >
> > // Else is toClass List<String?, then try "my" conversion
> >
> > // Else return performFallbackConversion(context, o, toClass);
> > }
> > }
> >
> > Any ideas? Or am I going about this incorrectly?
>
> What version of Struts do you use? I think this was resolved in 2.5.13
> or 2.5.12 - I meant conversion of list of built-in types (ints,
> doubles, etc), to convert your own type just register it (as for the
> List above).
>
>
> Regards
> --
> Łukasz
> + 48 606 323 122 http://www.lenart.org.pl/
>
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