@javax.ejb.Singleton should do the trick. Does it? Is that fine for you?
~Jakub
On Aug 1, 2013, at 5:35 PM, algermissen1971 <algermissen1971_at_mac.com> wrote:
>
> 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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>>>>
>>>
>>
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