Re: Tapestry w Scala

John,
  I thought I had more than this, but when I looked , all I had was
this module for this specific conversion for Lists (it does do the
job) . You can probably add this to your own module or use this module
and include it in your module.

object TapestryScalaModule {

  def contributeTypeCoercer(configuration:
Configuration[CoercionTuple[List[AnyRef], JList[AnyRef]]]) = {
    val coercion = new Coercion[List[AnyRef], JList[AnyRef]]() {
      def coerce(input: List[AnyRef]) = ListBuffer[AnyRef](input: _*)
    };

    configuration.add(new CoercionTuple[List[AnyRef],
JList[AnyRef]](classOf[List[AnyRef]], classOf[JList[AnyRef]],
coercion));
  }
}

Cheers - Alex K

On Mon, Dec 19, 2016 at 12:23 PM, Thiago H. de Paula Figueiredo
<[email protected]> wrote:
> Yep, as Alex said, you can solve this issue by contributing a coercion from
> Scala collection/list/etc to the corresponding Java type. There's an
> explanation with examples here:
> https://tapestry.apache.org/type-coercion.html.
>
> On Mon, Dec 19, 2016 at 11:59 AM, Alex Kotchnev <[email protected]> wrote:
>
>> John - I've been running Tapestry and Scala  for a few years now (e.g.
>> www.zadachite.com on AppEngine, and a few internal apps), and it's
>> been working pretty well. About the specific issue of the collection
>> conversions - it bugged me for a little while, and I'm pretty sure I
>> have a project somewhere on my workstation that contributes a few
>> coercions that do this conversion automatically (otherwise, you can
>> probably just use the scala.collections.JavaConversions to get this
>> done on each page). I'll see if I can hunt down what I do use and post
>> it somewhere for you to use.
>>
>> Cheers -
>>
>> On Fri, Dec 16, 2016 at 1:31 PM, Qbyte Consulting
>> <[email protected]> wrote:
>> > Thank you Thiago.
>> >
>> > I found that project and it has been very useful for creating my own.
>> >
>> > The only trouble I've had so far is delivering Scala collections back to
>> pages for loop components. I ended up using Java collections in the Scala
>> and that works fine.
>> >
>> > Sent from my iPhone
>> >
>> >> On 16 Dec 2016, at 18:11, Thiago H. de Paula Figueiredo <
>> [email protected]> wrote:
>> >>
>> >> On Fri, Dec 16, 2016 at 6:53 AM, Qbyte Consulting <
>> [email protected]
>> >>> wrote:
>> >>
>> >>> Hi,
>> >>>
>> >> Hi!
>> >>
>> >>
>> >>> Has anyone implemented a T5.4 site with Scala, or are there any
>> kickstart
>> >>> type Scala projects out there for T5.4 please? I'd like to see how it's
>> >>> done.
>> >>>
>> >>
>> >> Not me, but yes. Christian Köberl wrote a blog post about it,
>> >> https://derkoe.wordpress.com/2011/11/18/tapestry-in-scala/, and also a
>> demo
>> >> project, https://github.com/derkoe/tapestry-scala-demo. It uses
>> Tapestry
>> >> 5.3, but changing the pom.xml to use 5.4.1 should work.
>> >>
>> >> Tapestry works on class files, not Java sources, so it should just work
>> >> with whatever JVM language as long as it generates class files. It has
>> been
>> >> reported with working with Groovy as well, for example.
>> >>
>> >> --
>> >> Thiago
>> >
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>> >
>>
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>>
>
>
> --
> Thiago

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