The prod build of xom 1.2.7 should produce a -sources jar for the maven repository. https://brewweb.devel.redhat.com/buildinfo?buildID=238726
https://github.com/jbossas/jboss-eap/pull/615
Merged in https://github.com/jbossas/jboss-eap/commit/86a90a8
Verified for EAP 6.2.0 ER7. There is jboss-eap-6.2.0.GA-maven-repository/xom/xom/1.2.7.redhat-4/xom-1.2.7.redhat-4-sources.jar in jboss-eap-6.2.0.ER7-maven-repository.zip.