Play framework: type Integer is deprecated: use java.lang.Integer instead

Question

Since PlayFramework doesn't seem to allow primitive java types (e.g int, long) in routes, I've had to resort to using Integer in the routes, e.g:

GET /paginate/:page controllers.Foo.paginate(page: Integer)

However, when starting the app, I get a ton of warnings saying:

[warn] /project/target/scala-2.9.1/src_managed/main/routes_reverseRouting.scala:351: type Integer is deprecated: use java.lang.Integer instead
[warn] def paginate(page:Integer) = new play.api.mvc.HandlerRef(

Wtf is this about? Do I now have to specify java.lang.Integer in all my routes? Or am I missing something?

2.0.4. No, I haven't tried Int. Is that a native java type or scala / play specific? — Ali
– Ali, Commented Feb 16, 2013 at 2:14
Int, a 32-bit signed integer (equivalent to Java's int primitive type). Reference here scala-lang.org/api/current/index.html#scala.Int — jcern
– jcern, Commented Feb 16, 2013 at 2:17
stackoverflow.com/questions/1269170/… gives good explanation. — Mauno Vähä
– Mauno Vähä, Commented Feb 16, 2013 at 2:20

Gonfi den Tschal · Accepted Answer · 2013-03-31 15:19:25Z

3

1) In the routes file: replace "Integer" with "Int". You may want to specify a default value. Example:

GET  /my/path  controllers.MyController.foo(value:Int ?= 0)

2) In the (Java) controller: change Integer to int

public static Result foo(int value) {}

I found the warning "type Integer is deprecated: use java.lang.Integer instead" very confusing too.

edited Mar 31, 2013 at 15:19

answered Mar 31, 2013 at 15:02

Gonfi den Tschal

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1 Comment

Saeed Zarinfam Over a year ago

Thank you man, your answer help us, i do not know more about scala but i love Play Framework.

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