UDDI Publishing with Java
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Previous articles in this series have described UDDI technology and how to use the C# .NET APIs for registering services (called publishing) or finding information about published services (called inquiry) with UDDI. This article focuses on publishing with the UDDI4J APIs in Java.
NOTE
If you have read the two previous articles in this series, you might want to skip over or just skim through the following quick refresher and go directly to the section "UDDI4J APIs."
Quick Review of UDDI
Universal Description, Discovery, and Integration (UDDI) is a registry in which business entities, the services they offer, and the interfaces (tModels) for those services can be registered by potential service providers. A UDDI registry can be thought of as a directory in which "white pages" contain the business contact information and "yellow pages" contain the categorized information about services offered by various businesses. UDDI also contains "green pages" that describe the service interaction interfaces. Service consumers can use these "pages" to discover the registered resources and use them as needed.
Interaction with a UDDI registry falls into two categories: publishing and inquiry. All the UDDI APIs can be classified into these categories. The communication points of the UDDI registry are also associated with these two categories: publish URL and inquiry URL. These URLs receive and process corresponding UDDI API calls.
As noted in the previous articles, the UDDI specification has undergone several revisions. Version 3 is the most recent specification, but most of the current implementations of UDDI in production still implement Version 2. This article therefore focuses on the APIs related to Version 2 of the specification.