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Script Name Tip: Use data dictionary links for XML and Web services schemata When designing XML and Web services schemata you will often (and ideally) reuse data elements defined in pre-existing standards. If so, it is extremely useful to include links to such standards, providing precise data dictionary references. In so doing, you make processing and maintenance easier to automate. This tip illustrates this practice. IBM developerWorks Live! Technical briefings in 2004 The IBM developerWorks Live! Technical Briefings, which were a great success worldwide in 2003, have been expanded for 2004. The following five types of technical briefings, which include presentations and extensive demonstrations, will be held in cities around the world in 2004 (at no cost to you): e-business on demand, IBM Software Development Platform, Speed-start Linux applications, Speed-start Web services, Globalizing your applications. XMLPitstop Provides a central location for everything that a developer needs to know about XML technologies (XML, XSLT, XLL, SVG and about 40 other categories). You will find examples with Source Code, Tutorials, Tools, Resources, Books, etc. XML Matters: GUIs and XML configuration data 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. Tip: Extend JAX-RPC Web services using SOAP headers 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. Use XML namespaces with care 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. Tip: Message Roundtripping: Java coding conventions 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. A survey of XML standards, Part 4 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 : What You Need to Know and Why 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. Building an XML Architecture 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.

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