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Editorial Team
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Asked: 2026-05-20T15:54:30+00:00

Is there any way to map two links in a JAXB XML entity to

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Is there any way to map two links in a JAXB XML entity to different classes?
Example: 

<restresource>
  <atom:link rel="http://myuri/rels/author" href="http://myuri/users/42" title="That's me"/>
  <atom:link rel="http://myuri/rels/customer" href="http://myuri/customers/4711" title="John Smith"/>
</restresource>

I’d like to map the first link with a XMLAdapter to the class User and the second one with a different XMLAdapter to class Customer. I tried to do that with @XmlPath from EclipseLink JAXB (MOXy). But didn’t got any result from a lot of experiments since it’s not possible to define a path with conditions on “rel”. I understand that this could only be done in combination with the Adaptor because otherwise the definition would not be bidirectional.
Any idea how to realize that?

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1 Answer

  1. Editorial Team

    We’ve added an extension to MOXy‘s @XmlPath that will make this use case easier to map. In EclipseLink 2.3 you will be able to do the following:

    @XmlPath("atom:link[@rel='http://myuri/rels/author'])
@XmlJavaTypeAdapter(AuthorAdapter.class)
private Author author;

@XmlPath("atom:link[@rel='http://myuri/rels/customer'])
@XmlJavaTypeAdapter(CustomerAdapter.class)
private Customer customer;

    You can try this feature out today by downloading one of the EclipseLink 2.3.0 nightly downloads (starting March 22) from:

    For more information

    I will also try to put together an approach that is compatible with released versions of EclipseLink JAXB (MOXy).

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