Jakarta's Digester maps data from an XML source to Java objects. Learn all about this package and its advantages over other similar APIs. Then follow a real life Digester parsing example.

XML and relational databases are a natural fit. Learn how to access PostgreSQL data from Cocoon, so you can develop robust XML-driven applications with a relational backend.

Giving external—or internal—clients direct access to existing applications isn't always practical, secure, or flexible. Instead, it's often better to provide Web service wrapper around existing applications. Such wrappers let you safely expose existing systems to both internal and external customers and can work with a variety of communication methods via configurable protocols.

Coding standards are a time-honored and widely respected programming best practice. However, they are not always easy to put into action. Find out how Checkstyle can help you define and enforce a set of coding standards and promote good and consistent programming habits across your team.

DOM 3.0 validation techniques let you discover which elements and attributes you can add or remove from an XML document, ensuring in advance that planned modifications won't alter the overall validity of the document—all without revalidating the entire document.