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18.3. Atom support through Apache Abdera

RESTEasy supports Apache Abdera, an implementation of the Atom protocol and data format. You can find Abdera at the Apache web site.
Abdera is a fully-fledged Atom server, but RESTEasy only supports integration with JAX-RS for marshaling and unmarshaling the Atom data format to and from the Feed and Entry interface types in Abdera.

18.3.1. Abdera and Maven
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The Abdera provider is not included with the RESTEasy distribution. To include the Abdera provider in your WAR archive's pom files, add the following. Remember to change the version in the code to the version of RESTEasy that you are working with.

Warning

RESTEasy may not pick up the latest version of Abdera. 
<repository>
      <id>jboss</id>
      <url>http://repository.jboss.org/maven2</url>
   </repository>

      ...
   <dependency>
      <groupId>org.jboss.resteasy</groupId>
      <artifactId>abdera-atom-provider</artifactId>
      <version>...version...</version>
   </dependency>
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