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Editorial Team
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Asked: 2026-06-18T04:45:31+00:00

I am using Jackson as JSON provider with Apache CXF. I would like to

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I am using Jackson as JSON provider with Apache CXF. I would like to use Jackson mix-ins to shape the structure of JSON returned by the REST controllers. The mix-ins would apply to domain objects (unannotated) to ignore some properties during serialization.

All the examples of mix-ins deal with their programmatic application, where you create an ObjectMapper object and apply mix-ins to it at runtime. In my REST layer, I am not using Jackson programmatically. It is registered as JSON provider for CXF (through blueprint XML – this is OSGI environment).

My question is how to apply mix-ins to Jackson without having to explicitly create ObjectMapper and call writeValue() on it. Also, how to apply mix-ins dynamically to allow a REST controller to return different representation of the same domain object based on request parameters?

Thank you,

Michael

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  1. Editorial Team

    Check the Javadoc on JacksonJsonProvider:

    ObjectMapper to use can be configured in multiple ways:

    • By explicitly passing mapper to use in constructor
    • By explictly setting mapper to use by setMapper(com.fasterxml.jackson.databind.ObjectMapper)
    • By defining JAX-RS Provider that returns ObjectMappers.
    • By doing none of above, in which case a default mapper instance is constructed (and configured if configuration methods are called)
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