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jAllora by Hit Software.

Article Excerpt
HiT Software provides a line of standards-based XML and SQL middleware for application development and systems integration. HiT's Allora product line provides bidirectional XML access to databases and supports standard DOM/SAX parsers and, optionally, is accessible via SOAP interfaces (JMS support is also available).

jAllora is the Java-based version of HiT's Allora middleware product and provides an easy-to-use and -understand approach to serializing relational data into an XML format (a version of Allora, winAllora, is also available for the Windows platform).

Pros

* Easy to install and use; APIs are well documented.

* Conforms to existing standards (supports DTD, XSD, SAX, DOM).

* Integrates into popular Java IDEs (Sun's Forte and Borland's JBuilder).

* The graphical mapper product made generating XML representations of relational data relatively simple.

* Excellent support for W3C XML Schema. I had no problems importing or working with schemas that contained well over 10,000 lines of code.

* Supports popular databases including (but not limited to) Oracle, DB2, MS SQL Server, Sybase.

* Support for Web services (includes WSDL templates and code samples).

* Low cost.

Cons

* Mapper can be a bit difficult to use. Mappings aren't displayed until you click on the fields being mapped.

* Can be used only by Java developers (obviously).

* Some of the features are included in the latest versions of some relational databases. jAllora faces the risk of becoming a commodity as database-vendor support...

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