Re: Enum as a model

The code was to help me clarify the problem. The real code where I am using
this has a value set for the enum. However what you are saying is that
Freemaker can directly work with enums as model values.

On Tue, May 31, 2011 at 11:02 AM, Daniel Dekany <[email protected]> wrote:

> Tuesday, May 31, 2011, 9:18:51 AM, magic creative wrote:
>
> > <code>
> > //Enum:
> >
> > public enum X {
> >      FIRST, SECOND
> > }
> >
> > //Class:
> >
> > public class Y {
> >
> >    private X localEnum;
> >
> >    public X getLocalEnum(){
> >       return this.localEnum;
> >    }
> >
> >    void setLocalEnum(X localEnum){
> >         this.localEnum = localEnum;
> >    }
> >
> > }
> >
> > //Insance to serve as model:
> >
> > Y yInstance = new Y();
> >
> > //Freemaker model:
> >
> > Map<String, Object> model = new HashMap<String, Object>();
> > model.put("yInst", yInstance);
> >
> > //Template:
> >
> > The value of X in Y: ${yInst.localEnum}
> >
> > </code>
> >
> > So what I have is a model which contains an enum and I want simply
> > to show the assigned value.
>
> The problem above is that you haven't set the localEnum property, so
> it's null. So when you write ${yInst.localEnum}, FreeMarker gets null,
> so it assumes that the property wasn't set (see FAQ). If you add
>
>  yInstance.setLocalEnum(X.FIRST);
>
> then it will print
>
>  The value of X in Y: FIRST
>
> --
> Best regards,
>  Daniel Dekany
>
>
> > I have read what you have referenced but
> > I do not see how to apply it to my quite simple case. On the other
> > hand I read a post where it is written that the problem with enums
> > is comming from the fact that instead of getName(), they are
> > reference with name() and thus Freemaker does not recognize that as
> > property but as function the return value of which it can not
> > display. I have a hard time however to believe that an enum can not
> > be used as a model for freemaker, there must be something I have missed.
> >
> >
> > On Mon, May 30, 2011 at 7:17 PM, Daniel Dekany <[email protected]>
> wrote:
> > Monday, May 30, 2011, 4:19:06 PM, magic creative wrote:
> >
> >> Hi guys,
> >>
> >>  I can not seem to find an example how to solve my problem so let me ask
> directly.
> >>
> >>  If there is an Enum X which is part of an object Y
> >
> > What does that mean in Java language?
> >
> > BTW, just in case you haven't red this, maybe this helps:
> > http://freemarker.org/docs/pgui_misc_beanwrapper.html#jdk_15_enums
> >
> >> I put as model and I reference X in my template I am getting:
> >>
> >>
> >>
> >> Expression Y.X is undefined
> >>
> >>
> >> The template has simply ${Y.X}. If X was a String there would be no
> >> problem and it would be displayed. As an Enum however it does not
> >> work. What should I do to allow enums to be parsed?
> >>
> >> Kind Regards
> > --
> > Best regards,
> >  Daniel Dekany
> >
>
>

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