Martijn,

I hope a new feature called "type inference" coming in JDK7 could help java
devs to omit repetitive typing of generic parameters.

And another good news - JDK 7 will do provide closures.


Martijn Dashorst wrote:
> 
> I hate repeating myself and being the compiler's teacher. IMHO the
> generics that are implemented in Java resulted in terrible code where
> you have to repeat yourself over and over and over. Are you sure your
> text field holds a String and your model returns a String?
> 
> TextField<String> field = new TextField<String>("someId", new
> PropertyModel<String>(foo, "property"));
> 
> This counts for 3 times the type String. In a recent discussion with
> Igor on ##wicket, we saw a way to remove at least 1 String. By
> providing model factory methods for concrete models: Model,
> CompoundPropertyModel and PropertyModel. For abstract models it
> doesn't make sense...
> 
> Igor suggested the following syntax:
> 
> TextField<String> field = new TextField<String>("someId",
> PropertyModel.of(foo, "property"));
> 
> i.e. ModelType.of(....)
> 
> I am +1 for adding these methods.
> 
> We can do the same for components, although the benefit is typically
> less, and it might even send our users down the wrong path thinking
> they can't use the 'new' keyword.
> 
> TextField<String> field = TextField.of("someId", PropertyModel.of(foo,
> "property"));
> 
> WDYT?
> 
> Martijn
> -- 
> Become a Wicket expert, learn from the best: http://wicketinaction.com
> Apache Wicket 1.4 increases type safety for web applications
> Get it now: http://www.apache.org/dyn/closer.cgi/wicket/1.4.0
> 
> 

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