Component of the Week: UDDI4J

A Java class library for building UDDI registry clients

Editorial staff (dwinfo@us.ibm.com), developerWorks, IBM

This article is brought to you by the developerWorks editorial staff. For comments or questions, contact the staff at dwinfo@us.ibm.com.

Summary: UDDI4J is a Java class library which provides an API that can be used to interact with a UDDI registry.

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Date: 01 Jul 2001
Level: Introductory
Activity: 300 views

UDDI4J is one of the more popular open-source projects sponsored by IBM. UDDI4J is a Java class library which provides an API that can be used to interact with a UDDI registry. This class library generates and parses messages sent to, and received from, a UDDI server.

The UDDI (Universal Description, Discovery and Integration) Project is a comprehensive, open-industry initiative enabling businesses to:

Discover each other
Define how they interact over the Internet
Share information in a global registry architecture

UDDI is the building block that will enable businesses to perform Web services -- to quickly, easily, and dynamically find and do transactions with one another via their preferred applications.

UDDI4J contains an implementation of the client side of UDDI -- everything an application needs to publish, find, and bind a Web service. It includes source code, the complete JavaDoc documentation, and three sample applications.

The central class in UDDI4J is com.ibm.uddi.client.UDDIProxy, a proxy for the UDDI server that is accessed from client code. Its methods map to the UDDI Programmer's API Specification.

The classes within the com.ibm.uddi.datatype class represent data objects used to send or receive UDDI information. Other subpackages represent data objects that are sent on calls or received from the server.

UDDI4J requires Apache SOAP version 2.1 or later (and its prerequisites); JDK version 1.2.2 or later; and Apache Ant (required to build UDDI4J).

See http://oss.software.ibm.com/developerworks/opensource/uddi4j/ for more information.

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This article is brought to you by the developerWorks editorial staff. For comments or questions, contact the staff at dwinfo@us.ibm.com.

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