URIResolverImpl is a simple JAXP javax.xml.transform.URIResolver implementation for XMLDB databases, such as Xindice. It is intended to be an example only of a URIResolver implementation, and is not production-quality code.
You will need a JDK/JRE 1.3.x (or higher) to run the demo. All other required software is included. Read the README file in the distribution for instructions.
Please feel free to download it and let me know if you have any questions or encounter any problems.