On 01.08.2013, at 17:34, algermissen1971 <algermissen1971_at_mac.com> wrote:
>
> On 01.08.2013, at 16:01, Jakub Podlesak <jakub.podlesak_at_oracle.com> wrote:
>
>>
>> Otherwise CDI injection should be working for just fine in GF.
>
> Question:
>
> I have an EJB singleton and want to inject that into a jax-rs2 filter.
>
> How would you do that? Injection into filter does not happen - I think I need to annotate the filter, but with what?
>
> I know that @RequestScoped does the trick on
Sorry - meant to write @Stateless.
Jan
> resource classes, but filters are application scoped - mostly.
>
> Any idea?
>
> Jan
>
>
>
>
>> I am wondering why you need a custom binder. Could you please
>> provide some more details on your use case. Maybe this is a bug in Jersey.
>>
>> Thanks,
>>
>> ~Jakub
>>
>>
>> [1]https://hk2.java.net/hk2-api/apidocs/org/glassfish/hk2/utilities/binding/AbstractBinder.html
>>
>> On Aug 1, 2013, at 3:38 PM, algermissen1971 <algermissen1971_at_mac.com> wrote:
>>
>>> Hi all,
>>>
>>> I am again struggling with the question of how to enable CDI for JAX-RS 2 filter classes.
>>>
>>> Marek (IIRC) has pointed me the solution based on AbstractBinder:
>>>
>>> Suppose I want to inject in a filter the instance of MyToBeInjectedSingleton.class like so:
>>>
>>> class MyFilter .... {
>>>
>>> @Inject
>>> MyToBeInjectedSingleton mySingleton;
>>>
>>> }
>>>
>>> I was told to extend AbstratBinder:
>>>
>>> public class MyBinder extends AbstractBinder {
>>>
>>> @Override
>>> protected void configure() {
>>>
>>> bindAsContract(MyToBeInjectedSingleton.class).in(Singleton.class);
>>>
>>> }
>>>
>>>
>>> }
>>>
>>> and then register the Binder in a Feature:
>>>
>>> public class MyFeature implements Feature {
>>>
>>> @Override
>>> public boolean configure(FeatureContext featureContext) {
>>> featureContext.register(new MyBinder());
>>> return true;
>>> }
>>> }
>>>
>>> Worked fine, but it seems the API of jersey-common changed and AbstractBinder is gone. Now, I could pull in
>>> the older jersey-common, but as the code is to run in GF4 (which comes with the new version), I guess this would lead to serious conflicts somewhere.
>>>
>>> Hence the question: what do I need to do in the new jersey-common to register an instance for injection?
>>>
>>>
>>> Besides that, I still cannot really understand that one needs to go through this kind of trouble (with changing APIs) just because I want to inject something in a JAX-RS component. Isn't there a better way? Maybe I am just too stupid or blind to see the light.
>>>
>>>
>>>
>>> Jan
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
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>>>
>>
>