Jakarta XML Registries (JAXR; formerly Java API for XML Registries) defines a

standard Standard may refer to: Symbols * Colours, standards and guidons, kinds of military signs * Standard (emblem), a type of a large symbol or emblem used for identification Norms, conventions or requirements * Standard (metrology), an object ...

API An application programming interface (API) is a connection between computers or between computer programs. It is a type of software interface, offering a service to other pieces of software. A document or standard that describes how to build ...

for

Jakarta EE Jakarta EE, formerly Java Platform, Enterprise Edition (Java EE) and Java 2 Platform, Enterprise Edition (J2EE), is a set of specifications, extending Java SE with specifications for enterprise features such as distributed computing and web serv ...

applications to access and programmatically interact with various kinds of metadata registries. JAXR is one of the

Java XML In computing, Java XML APIs were developed by Sun Microsystems, consisting separate computer programming application programming interfaces (APIs). Application programming interfaces * Java API for XML Processing (JAXP) * Java API for XML Messa ...

programming APIs. The JAXR API was developed under the

Java Community Process The Java Community Process (JCP), established in 1998, is a formal mechanism that enables interested parties to develop standard technical specifications for Java technology. Becoming a member of the JCP requires solid knowledge of the Java program ...

as JSR 93. JAXR provides a uniform and standard Java API for accessing different kinds of XML-based metadata registry. Current implementations of JAXR support

ebXML Registry Electronic Business using eXtensible Markup Language, commonly known as e-business XML, or ebXML (pronounced ee-bee-ex-em-el, 'bi,eks,em'el as it is typically referred to, is a family of XML based standards sponsored by OASIS and UN/CEFACT whose ...

version 2.0, and

UDDI Web Services Discovery provides access to software systems over the Internet using standard protocols. In the most basic scenario there is a ''Web Service Provider'' that publishes a service and a ''Web Service Consumer'' that uses this service. ...

version 2.0. More such registries could be defined in the future. JAXR provides an API for the clients to interact with XML registries and a

service provider interface Service provider interface (SPI) is an API intended to be implemented or extended by a third party. It can be used to enable framework extension and replaceable components. Details From Java documentation: The concept can be extended to other pla ...

(SPI) for the registry providers so they can plug in their registry implementations. The JAXR API insulates application code from the underlying registry mechanism. When writing a JAXR based client to browse or populate a registry, the code does not have to change if the registry changes, for instance from UDDI to ebXML. Jakarta XML Registries (JAXR) was removed from Jakarta EE 9.

References

External links

*
Apache Scout is an open source implementation of the JSR 93

freebXML Registry
Provides a royalty-free open source JAXR implementation {{Jakarta EE XML-based standards Java API for XML Java specification requests Java enterprise platform