Data binding, although commonplace in today's world of Java technology and XML programming, is still largely misunderstood. This column throws out all the theoretical claptrap and focuses on the concepts you need to get started with data binding. You will understand the differences between general data binding and data binding in the XML world, as well as round-tripping, semantic equivalence, and what to look for in a data binding package.

Over time, XML has permeated many niches. One area where XML is used increasingly is in the configuration of graphical user interfaces, especially in elements that are persistent but should not be fixed at compile-time. In this installment, David looks at the use of XML in Mac OS X's Aqua GUI, and in the K Desktop Environment (KDE) which is either standard or available in most modern Linux distributions.

In this article, the author examines how JAX-RPC SOAP handlers process SOAP message headers. Specifically, he shows how a handler adds a SOAP header to an outgoing message and how a corresponding handler removes the SOAP header from an incoming message. In addition, he presents the JAX-RPC programmatic configuration and deployment models as they relate to this topic.

XML namespaces are an imperfect solution to a difficult problem. From basic information architecture to difficulties with APIs, namespaces can open up rather painful gotchas if used carelessly. In this article, Uche Ogbuji covers some of the more important design principles which, if followed, can minimize problems with namespaces.

Java APIs for XML-Based Remote Procedure Call's (JAX-RPC's) Java-to-WSDL/WSDL-to-Java mapping rules do not try to preserve Java constructs during roundtripping. Many constructs are preserved, but not all. This tip describes, in particular, why following Java coding conventions is very important to maintaining the ability to roundtrip.

The world of XML is vast and growing, with a huge variety of standards and technologies that interact in complex ways. It can be difficult for beginners to navigate the most important aspects of XML, and for users to keep track of new entries and changes in the space. XML is a basic syntax upon which you develop local and global vocabularies. Previous in-depth articles have presented the most important standards relating to XML. This fourth article, provides a detailed cross-reference of all covered standards.

XML Schema is one of the most important facets of Web Services. It is the ultimate type system; however it is also really arcane to learn a figure out how to leverage. Drill into what's important for you understand in order to get the most out of specification. Learn about schema creation best practices, where to start and what tools to use, versioning, serialization and validation of messages. Walk away with a clear understanding on how and why to use XML Schema, .NET Framework support and how schema drives WSDL and Web Service message parsing.

This paper addresses one of the challenges faced by the companies participating in the eCommerce revolution: architecting an eCommerce solution that allows you to communicate with your customers on today's devices, yet will adapt to the devices of the future. This paper proposes such an architecture, one that is built using eXtensible Markup Language (XML) technologies to provide an infrastructure that will protect your investment and ensure extensibility moving forward.

This session will introduce you to the basics of XML. Additionally, it will provide you with an introduction to building and consuming XML Web services.

This XML guide explains XML uses, categories, elements and types of XML documents. XML structure, document type definition, element attributes, and extensible stylesheet language (XSL) is explained.