Re: [Resteasy-developers] custom parameter unmarshalling

[Michael B. <mic...@gm...>]

That would be nice.
How could a HeaderDelegate be "activated" for a parameter?

Michael

On Fri, Oct 24, 2008 at 6:19 PM, Bill Burke <bb...@re...> wrote:
> There's is HeaderDelegate in the specification. I could make sure that is
> used for all String parameters.
>
> Michael Brackx wrote:
>>
>> Hi,
>>
>> It would be nice to have some sort of custom parameter unmarshalling.
>> Currently parameter types can be String, primitive, or a class that
>> has a String constructor or static valueOf(String) method.
>> Some use cases:
>> - injecting interfaces
>> - injecting Enums (they already have a static valueOf(String) method)
>> - injecting thirdparty classes
>> - injecting factory created objects
>>
>> example:
>>
>> @GET
>> @Path("/book/{isbn}")
>> public String getBook(@PathParm(value = "isbn", provider =
>> ISBNFactory.class)  ISBN id) {
>>  ...
>> }
>>
>> @Provider
>> public class ISBNFactory {
>>  @ProviderMethod
>>  public ISBN create(String value) {
>>   return new ISBNImpl(value);
>>  }
>> }
>>
>> The @ProviderMethod could be left out if there is only one matching
>> method.
>> Or a new interface could be used, to be more in line with ExceptionMapper.
>>
>> I realize the spec is final, but someday the will be a 1.1 or 2.0 :)
>> Any comments?
>>
>> Michael Brackx
>>
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>
> --
> Bill Burke
> JBoss, a division of Red Hat
> http://bill.burkecentral.com
>