AEM 6.3: Felix SCR Annotations Deprecated - Replacement for @SlingFilter? | Community
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timlwhite
timlwhite
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May 24, 2017
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AEM 6.3: Felix SCR Annotations Deprecated - Replacement for @SlingFilter?

  • May 24, 2017
  • 16 replies
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Hello, it appears that the Felix SCR annotations have been deprecated in AEM 6.3.  This is not reflected on the Sling website or documentation as far as I can tell, but is appearing that way when we compile against the 6.3 uberjar.

In fact, the latest AEM Maven Archetype does not include the Felix SCR dependency at all.

I see this blog post from last year that covers a lot of conversion questions.

And this very recent one from Feike.

The OSGi 6 method for registering configuration properties using a separate interface class is fairly convoluted, and thinly documented, but with enough time and money I am sure we can figure it out.

However, there does not seem to be mention in either article of what is replacing the @SlingFilter annotation, which is mentioned as the recommended approach even in fairly recent articles.

All our classes that use the @SlingFilter annotation no longer work (they are throwing ArrayIndexOutOfBounds exceptions), even keeping the Felix SCR dependency, and updating it to the latest version.

Is there documentation somewhere of what is replacing the @SlingFilter annotation?

Is there a plan for a more complete document describing the recommended migration path, and changes to the product that cause existing @SlingFilter usage not to work?

Thanks!

Tim

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    Best answer by Feike_Visser1

    when using non-String types make sure to use the correct data-type.

    Example here for the service-ranking and using :Integer

    https://github.com/heervisscher/htl-examples/blob/master/core/src/main/java/com/adobe/examples/htl/core/bindings/CustomBindingProvider.java

    16 replies

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    Feike_Visser1
    Feike_Visser1
    Employee
    February 10, 2018

    Here another sample that I made: htl-examples/DatalayerFilter.java at master · heervisscher/htl-examples · GitHub

    J
    JeroenDruwe
    New Participant
    February 10, 2018

    I use OSGI R6 annotation based approach:

    @Component(service = Filter.class, property = {
    EngineConstants.SLING_FILTER_SCOPE + "=" + EngineConstants.FILTER_SCOPE_REQUEST,
    Constants.SERVICE_RANKING + ":Integer=" + -10002
    })
    public class MyCustomFilter implements Filter {
    Feike_Visser1
    Feike_Visser1
    Employee
    May 29, 2017

    See also this article by Nate: http://www.nateyolles.com/blog/2017/05/osgi-declarative-services-annotations-in-aem

      timlwhite
      timlwhiteAuthor
      New Participant
      May 25, 2017

      Yes, most of the Felix annotations show deprecated when compiling against the 6.3 UberJar.  I'll try setting things up with @Component. Thanks!

        Feike_Visser1
        Feike_Visser1Accepted solution
        Employee
        May 25, 2017

        when using non-String types make sure to use the correct data-type.

        Example here for the service-ranking and using :Integer

        https://github.com/heervisscher/htl-examples/blob/master/core/src/main/java/com/adobe/examples/htl/core/bindings/CustomBindingProvider.java

        Feike_Visser1
        Feike_Visser1
        Employee
        May 25, 2017

        I am not aware that the Felix annotations are deprecated in AEM6.3.

        To your question on @SlingFilter, this is same like @SlingServlet

        There isn't an equivalent you can use. You need to specify the properties like in this sample for a servlet.

        https://github.com/heervisscher/htl-examples/blob/master/core/src/main/java/com/adobe/examples/htl/core/servlets/SimpleServlet.java

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