That violates the JavaBeans specification. "myProperty" is supposed
to be of one type only.
On Sat, Jun 5, 2010 at 10:02 PM, Dimitris Tsitses <4.biz....@gmail.com> wrote:
> Hi all, I'm trying to do something really simple but I can't seem to figure
> it out, I hope someone can help.
>
> I have a simple bean:
>
>
> public class MyBean {
> private ClassTypeA myProperty;
>
> public void setMyProperty(ClassTypeA anObj) {
> this.myProperty = anObj;
> }
> public void setMyProperty(ClassTypeB anObj) {
> this.myProperty = Converter.convertBtoA(anObj);
> }
>
> }
>
> If I invoke the setter by passing an instance of ClassTypeA, it works without
> a problem:
> BeanUtils.setProperty(myBeanInst, "myProperty", instanceOfClassTypeA);
>
>
> However if I invoke the setter by passing an instance of ClassTypeB, I get an
> exception and the setter is never actually called:
> BeanUtils.setProperty(myBeanInst, "myProperty", instanceOfClassTypeB);
> java.lang.IllegalArgumentException: Cannot invoke.. la la la - argument type
> mismatch -
>
> I can't believe it is not possible to do that, I'm sure I'm just missing
> something. Any help will be greatly appreciated.
>
> Many thanks
> Dimitris
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