JAX Registries

Java API for XML Registries - offers a uniform mechanism for accessing business registries through Java

JAXR or Java API for XML Registries provides an API for a set of distributed Registry Services that enables business-to-business integration between business enterprises, using the protocols being defined by ebXML.org, Oasis, ISO 11179. More at http://java.sun.com/aboutJava/communityprocess/jsr/jsr_093_jaxr.html