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Index of XML standards
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. This index provides a detailed cross-reference of many XML standards, including links to additional coverage for each.
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19 Nov 2009 |
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Meet CAM: A new XML validation technology
XML documents are frequently validated against either a DTD (less likely) or an XML schema (more likely). Recently, a new technology called Content Assembly Mechanism (CAM) has emerged. It is endorsed by the Organization for the Advancement of Structured Information Standards (OASIS). CAM represents a step up from XML schema because it provides even more flexibility in defining both the semantics of an XML document and the business rules associated with the actual data content. Take a broad overview of CAM, including its benefits over the alternatives, in this article.
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22 Sep 2009 |
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Using the Java language NamespaceContext object with XPath
If you want to use namespaces in XPath expressions, you have to
provide the link of the used prefix to the URI of the namespace.
This article describes three variants of providing the prefix to
namespace mapping. It contains example code to make it easy
to code your own NamespaceContext.
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Articles |
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19 May 2009 |
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Build a pureXML application in DB2 for z/OS, Part
1: Use COBOL stored procedures to store and manipulate data
In this article, set up and populate a small XML database, and implement
COBOL stored procedures for basic operations on the data. Use the included
download bundle with ready-to-install samples to explore the concepts of this
article, and apply the concepts to other industry or custom XML formats. The
XML documents that conform to the UBL (Universal Business Language) format
from OASIS are stored and manipulated in the samples.
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14 May 2009 |
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XML Schema 1.1, Part 2: An introduction to XML Schema 1.1
In this second of a six-part series of articles, take an in-depth look at the co-constraint
mechanisms introduced by XML Schema 1.1, specifically the new assertions and type
alternatives features with authors Neil Delima, Sandy Gao,
Michael Glavassevich, and Khaled Noaman.
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Articles |
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13 Jan 2009 |
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Create business reports for XML data with Cognos 8 BI and DB2 pureXML
Learn how creating relational views of hierarchical XML data as well as writing SQL-based queries over XML data can enable you to extract important information from XML documents and messages, integrate this information with existing relational data, and create reports for business analysts and executives.
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Articles |
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26 Nov 2008 |
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High-performance XML parsing in Python with lxml
lxml is a fast yet flexible library for XML processing in Python. It comes
bundled with support for XML Path Language (XPath) and Extensible Stylesheet
Language Transformation (XSLT), and it implements the familiar ElementTree API. In
this article, you focus both on the ease of use provided by lxml and on its
high-performance profile when processing very large XML data.
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28 Oct 2008 |
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Create a Yahoo! SearchMonkey application
SearchMonkey is one of the first attempts from a major search engine to make
use of Semantic Web technologies to enhance search results. In this tutorial, you
will implement a Yahoo! SearchMonkey application that enhances blogger.com search
listings to include other information about the blog and blog owner. You will
first implement a basic application using the default data available from Yahoo!.
Then you will create a custom data service to provide your own structured data to
SearchMonkey before you develop a more advanced application that takes advantage of this new custom data service.
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Tutorials |
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14 Oct 2008 |
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XForms and Ruby on Rails at the doctor's office, Part 1: Setting up IBM DB2 9 pureXML
This is the first article in a four-part series about using XForms, DB2 pureXML, and Ruby together to more easily create Web applications. In this series you will develop a hypothetical application for managing patient information at a doctor's office. You will get a taste of the individual strengths of each technology, but you will also see how to integrate them together. In this first part of the series, you will examine how XForms, DB2 pureXML, and Ruby on Rails can all help more rapidly build XML-centric Web applications.
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Articles |
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01 Oct 2008 |
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Advancing with XQuery: Develop application idioms
The XQuery specification is well over a year old now. A surfeit of solid
implementations combined with (if developer chatter is anything to go by) marked new
interest, seems to indicate that XQuery is finally experiencing higher adoption rates.
Possibly this is due to developers starting to figure out how to utilize XQuery within
a rich mixture of XML technologies (such as XML databases. XSLT, XML Schema). Learn how to use XQuery beyond its original role as an XML query language and apply it toward the development of middleware and Web applications.
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Tutorials |
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30 Sep 2008 |
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Overlay data on maps using XSLT, KML, and the Google Maps API, Part 2: Transform and use the data
In this two-part article series, you'll develop an application for a real
estate brokerage to display all available apartment listings as clickable
Placemarks on Google Maps. In Part 1, you created the first half of the
application that collects the apartment listing information from the user, uses
the Google Geocoder Web service to turn the street address into its geographical
coordinates (longitude and latitude), and stores the coordinates in the database
along with the address information. In Part 2, you will use this data to produce a
KML overlay document and display it in Google Maps and Google Earth. First, you'll use stored procedures to produce XML from MySQL. Then with XSLT and a technique called Muenchian grouping, you'll transform the XML data into a KML document containing the overlay information -- one Placemark for each apartment building. The pop-up balloon for each Placemark displays the available apartment listings in that building. Finally, you'll use the Google Maps API to display the KML overlay in a Google Map embedded within your own Web site.
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Articles |
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09 Sep 2008 |
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The Java XPath API
Elliotte Rusty Harold demonstrates Java 5's new XPath API.
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Articles |
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25 Aug 2008 |
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Process instance data using schema information
In this article, you meet a function library implemented in pure XSLT that
enables applications to take advantage of XPath 2 schema-related node tests which are
only available in schema-aware processors. You will also see how to decouple the
validation process from the instance data processing. You can use the XSLT function
library with any basic XSLT 2 processor to employ the schema information to process
instance data -- and apply the same approach equally to XQuery applications, too.
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Articles |
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19 Aug 2008 |
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Thinking XML: Firefox 3.0 and XML
Mozilla continues to improve its flagship browser and the latest major release,
Firefox 3.0, offers something for just about everyone. XML developers were certainly
not left out -- the new version improves basic parsing, DOM, XSLT, SVG, and more. In this article, learn of the new features Firefox 3.0 offers for XML processing; pay close attention to how the added EXSLT extensions open up fresh possibilities for XSLT on the browser.
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Articles |
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29 Jul 2008 |
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Evaluating XPaths from the Java platform
XPath makes selecting elements, attributes, and text in an XML document easy.
Learn how to evaluate XPaths from Java programming, and work with the returned nodes.
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Articles |
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08 Jul 2008 |
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Locate specific sections of your XML documents with XPath, Part 2
Part 1 of this tutorial gave you a foundational understanding of XPath. Using slash notation, wildcards, unions, and simple text, you learned how to locate elements and attributes anywhere within an XML document. However, sometimes you need more than just matching based on the name of a node. Predicates give you advanced and refined searching capabilities, allowing you to evaluate the values of attributes and the parent and child nodes of a targeted element. Rather than find a wider node set and refine or filter that set programmatically, you can add predicates to your XPaths to find exactly the nodes you want.
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Tutorials |
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17 Jun 2008 |
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Locate specific sections of your XML documents with XPath, Part 1
XML is a data format concerned primarily with compatibility and flexibility. But
as useful as XML is, it's limited without the abilities to find specific portions of a
document quickly and to filter and selectively locate data within a document. XPath
provides the ability to easily reference specific text, elements, and attributes within
a document -- and with a fairly low learning curve. Additionally, XPath is key to many other XML vocabularies and technologies, such as XSL and XQuery. This tutorial will teach you the fundamentals of XPath, including all of its various selectors and semantics, in an example-driven and hands-on manner.
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Tutorials |
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10 Jun 2008 |
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Using XQuery and VoiceXML
XQuery and VoiceXML are a perfect combination. XQuery provides a very
simple and direct method to generate XML documents from other XML documents.
Because you can pick and choose the different elements that you want from the
source XML file, and format the output file in any way you wish, you can easily
produce a VoiceXML document that contains the exact information you need. In
this tutorial, you see how to employ XQuery with XML documents to build complex
and dynamic systems that take input and information from a VoiceXML environment
and combine them with existing XML documents to produce interactive applications.
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Tutorials |
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06 May 2008 |
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How XQuery extends XPath
XPath and XQuery are similar in some ways. XPath is even an integral part of XQuery.
Both languages allow you to select bits of data from an XML document or an XML document store.
In this article, you'll find descriptions of XPath and XQuery, and learn how XQuery extends XPath.
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Articles |
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01 Apr 2008 |
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Top ten XML articles and tutorials - March 2008
See what XML content your peers found most valuable last
month
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07 Mar 2008 |
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Top ten XML articles and tutorials - January 2008
See what XML content your peers found most valuable last
month
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07 Mar 2008 |
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Top ten XML articles and tutorials - December 2007
Explore the XML content that your fellow readers recently focused on.
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07 Jan 2008 |
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The ROI of XForms
This article examines several methods of calculating the Return on Investment (ROI) of adopting enterprise-wide XForms standards. We look at ROI analysis from several different viewpoints including the standards perspective and issues around vendor lock-in avoidance strategies. We discuss three ROI models for an enterprise XForms migration and how to overcome common objections to an XForms initiative.
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Articles |
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11 Dec 2007 |
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Top ten XML articles and tutorials - November 2007
Explore the XML content that your fellow readers recently focused on.
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11 Dec 2007 |
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Display Google Calendar events on your PHP Web site with XPath
Google Calendar and other online calendaring applications provide simple
centralized systems where online communities can maintain event calendars and
community members can get information about upcoming events. But many organizations
prefer to display event calendars on their community portals, forums, or blogs. They
often copy event calendar information from online calendaring applications
onto their Web sites, reducing the effectiveness of centrally managing events
online. Google Calendar provides an integration application program interface (API)
that provides a good solution to this problem. Find out how to use
XPath to extract and display Google Calendar data on your PHP Web site.
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Articles |
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27 Nov 2007 |
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Top ten XML articles and tutorials - October 2007
Explore the XML content that your fellow readers recently focused on.
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08 Nov 2007 |
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Use an XForms document as a custom XML editor
In a recent article we looked at XSLT 2.0 functions to convert an XML bracket to an HTML page that displayed the results of a fictional tournament. In this article, we revisit that XML document type to create an attractive editor that fills in the bracket. The result is a custom editor for a specific XML document type.
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Articles |
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06 Nov 2007 |
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Top ten XML articles and tutorials - September 2007
Explore the XML content that your fellow readers recently focused on.
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12 Oct 2007 |
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Integrate XForms with the Google Web Toolkit, Part 1: Introducing GWT's JavaScript Native Interface
This four-part series demonstrates how to use the Google Web Toolkit (GWT) and XForms together to create a dynamic Web application. Part 1 starts with a bottom-up approach to the problem of using GWT and XForms together. It takes a look at some of the underpinnings of each technology, examining the common ground between them that will allow for their peaceful coexistence. This will lay the foundation for developing a Web application that uses both GWT and XForms together.
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Articles |
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18 Sep 2007 |
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Top ten XML articles and tutorials - August 2007
Explore the XML content that your fellow readers recently focused on.
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13 Sep 2007 |
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Save time and code with XPath 2.0 and XSLT 2.0
Three interesting new features in XPath 2.0 and XSLT 2.0 are the item data
type, the to operator, and the concept of sequences. Build a sample application that
uses these features to generate a sophisticated HTML view of an XML document, and
with the new features in XSLT 2.0, allow you to create shorter stylesheets that are easier to maintain. Along the way, spend a bit of time on data typing in XSLT 2.0, and learn to use the new xsl:function element.
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Articles |
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04 Sep 2007 |
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Generating XForms applications using the National Information Exchange Model (NIEM)
This article demonstrates how XForms applications can be automatically created from a National Information Exchange Model (NIEM) constraint schema, and shows how graphical tools can allow non-programmers to automatically create rich Web applications using a model-driven approach. It gives an example of how a short XML transformation (XSLT) is used to achieve this task and how the transformation can be modified and extended by developers.
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Articles |
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21 Aug 2007 |
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Program with XML for DB2, Part 3: Program with XML in the client
Learn how to extend the XML model in order to create rich clients using XML
data transferred from your application server. Discover how to use
Dynamic HTML (DHTML) to present the XML, XPath to navigate the XML and the Document Object Model
(DOM) to modify and serialize the XML back to the application server.
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Articles |
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16 Aug 2007 |
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XForms extensions to XPath
XForms uses XML Path Language (XPath) as its basic function and evaluation language.
This is the same XPath used in Extensible Stylesheet Language Transformations (XSLT). In addition to familiar functions like
count and substring, XForms
introduces a number of useful extension functions to XPath for numeric, date, and XForms-specific operations including if, avg,
min, max, now, days-from-date, month, and instance.
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Articles |
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07 Aug 2007 |
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Program with XML for DB2, Part 2: Leverage database support for XML in your application architecture
Learn how the new XML storage and query environment of IBM DB2 9 for Linux, UNIX, and Windows plays into the XML data model described in Part 1 of this series. Part 2 focuses on how to exploit the improved database support for XML in your application architecture.
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Articles |
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02 Aug 2007 |
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Programming with XML for DB2, Part 1: Understand the XML data model
A primary goal of XML is to make the application development process simple, cheap, portable, and of high quality. XML programming is bringing about the same kind of radical shift in the application development paradigm in this decade as object methodologies did in the last decade. In the first of a series on programming with XML for DB2, you'll learn the basics of the XML data model and the advantages it brings to your programming environment over a pure object model.
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Articles |
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19 Jul 2007 |
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Avoid the dangers of XPath injection
With the proliferation of simple XML APIs, Web services, and Rich Internet Applications (RIAs), more organizations have adopted XML as a data format for everything from configuration files to remote procedure calls. Some people have even used XML documents instead of more traditional flat files or relational databases, but like any other application or technology that allows outside user submission of data, XML applications can be susceptible to code injection attacks, specifically XPath injection attacks.
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Articles |
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17 Jul 2007 |
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Top ten XML articles and tutorials - July 2007
Explore the XML content that your fellow readers recently focused on.
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17 Jul 2007 |
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Build a custom static parser plugin for LTA-JD
The huge amount of data to analyze after system failures poses the initial difficulty
in problem determination -- this is especially true when the failures are related to
concurrent usage and stress. The Log Trace Analyzer for Java Desktop (LTA-JD) is a
powerful tool for problem determination and analysis once the text logs are properly
extracted as Common Base Events. But what's the easiest way to extract, say, Java
Virtual Machine (JVM) logs from the WebSphere Application Server (WAS) so they can be used by the LTA-JD? This
article introduces the design of a custom static parser as a plugin for LTA-JD to
construct a meaningful, common language from the plain text WebSphere Application Server JVM logs.
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Articles |
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17 Jul 2007 |
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Cool things you can do with XPath in XForms
See how XPath and XForms interact to enable you to create functionality you may not have considered, such as displaying a list of unique values in one easy step, or using XPath in conjunction with interface elements such as radio buttons or drop-down lists to control the data displayed, as opposed to just the data submitted.
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Articles |
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26 Jun 2007 |
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Top ten XML articles and tutorials - May 2007
Explore the XML content that your fellow readers recently focused on.
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12 Jun 2007 |
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Top ten XML articles and tutorials - June 2007
Explore the XML content that your fellow readers recently focused on.
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12 Jun 2007 |
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Understanding XForms
With XML-based technologies such as XForms, XQuery, and XSLT, it is possible to create complex multi-user applications, from interactive help systems to custom "game" applications in which multiple users can interact with at once.
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Articles |
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05 Jun 2007 |
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Define, configure, and process topics for notification producers
WS-Notification (WSN) is an OASIS standard that describes, among other things, a
system for categorizing the types of notifications that are emitted from a manageable
resource. By grouping notifications into categories, the designer of a resource's Web
service interface makes it much easier for clients to find the data they need while
ignoring data that is irrelevant. The Apache Muse project contains an implementation of
WS-Notification, including all of the topic data structures and processing logic described
in the specification. This article reviews how to define and configure topics for your notification producers, as well as how to process topic-based notifications in your notification consumers.
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Articles |
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29 May 2007 |
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Use XForms to create an accounting tool, Part 6: Wrapping it up
This six-part series demonstrates how to leverage the power of XForms in conjunction with MySQL and PHP to create an online accounting tool called X-Trapolate. Every good programming technology possesses a range of problems it excels at solving. This series highlights some of the problems that the XForms solves effectively, such as the need for live calculations and greater interactivity. Part 6 of this six-part series takes a final review and lessons learned approach, making sure there are no gaps in the final application and looking at future possibilities.
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Articles |
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15 May 2007 |
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Get started with XML on alphaWorks
You want to start developing with XML, and you've heard the buzzwords -- XForms, XSLT, and various other acronyms that begin with an X. So where do you begin? This primer will help you explore areas within XML and XML-related technologies, and introduce you to the numerous categories of emerging technologies that are available for free trial download from alphaWorks, the premier destination for free IBM alpha code downloads.
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Articles |
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10 May 2007 |
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Optimal message processing with WS-Notification filters
WS-Notification (WSN) is an OASIS standard that describes a system for subscribing to and receiving notifications from a manageable resource; these notifications may reference changes in state, fatal errors, status updates, and more. The standard also describes a way of filtering notifications so that clients can specify a subset of a resource's notifications that they are truly interested in. The Apache Muse project contains an implementation of WS-Notification that includes all of the filtering options. This article reviews all of the different filtering options, the positives and negatives of each, and shows you how you can leverage them in your Muse-based Web service endpoints.
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Articles |
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08 May 2007 |
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Use XForms to create an accounting tool, Part 5: Developing liability management functionality
This six-part series demonstrates how to leverage the power of XForms in conjunction with MySQL and PHP to create an online accounting tool called X-Trapolate. Every good programming technology possesses a range of problems it excels at solving. The series highlights some of the problems that the XForms solves effectively, such as the need for live calculations and greater interactivity. Part 5 of this six-part series demonstrates how to create a payables form for liability and payment, and a reports form to analyze billing data and statistics.
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Tutorials |
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08 May 2007 |
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Top ten XML articles and tutorials - April 2007
Explore the XML content that your fellow readers recently focused on.
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04 May 2007 |
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Top ten XML articles and tutorials - March 2007
Explore the XML content that your fellow readers recently focused on.
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11 Apr 2007 |
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Simplify Ajax development with jQuery
jQuery is a JavaScript library that helps simplify your JavaScript and Asynchronous JavaScript + XML (Ajax) programming. Unlike similar JavaScript libraries, jQuery has a unique philosophy that allows you to express common complex code succinctly. Learn about the jQuery philosophy, discover its features and functions, perform some common Ajax tasks, and find out how to extend jQuery with plug-ins.
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Articles |
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10 Apr 2007 |
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Build a framework for problem determination triage, Part 2
So how do you set up "triage" problem determination? This article describes aspects of event visualization for triage problem determination that use concepts of autonomic computing -- such as Log and Trace Analyzer for Java Desktop (LTA-JD) -- and symptoms to represent, detect, evaluate, and resolve incidents and problems related to business mission-critical infrastructure management and operations. This two-part article also covers event and symptom visualization and processing methods of LTA-JD to enable efficient proactive avoidance of these incidents and problems. In this second part, you'll take a more detailed tour of the framework in action.
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Articles |
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10 Apr 2007 |
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Simplify XML reads and writes
XPath can dramatically simplify and speed applications with even modest XML involvement. If XPath isn't already in your toolkit, now's the time to add it. Concrete examples coded in brief Python make the appeal of query idioms apparent.
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Articles |
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03 Apr 2007 |
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Use XForms to create an accounting tool, Part 3: Developing asset management functionality
This six-part series demonstrates how to leverage the power of XForms in conjunction with MySQL and PHP for support processing to create an online accounting tool called X-Trapolate. The series highlights some of the problems that the XForms solves effectively, such as the need for live calculations and greater interactivity. Part 3 of this six-part series demonstrates how to leverage the power of XForms in conjunction with PHP and MySQL to create some tools for interacting with the data of day-to-day business.
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Tutorials |
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03 Apr 2007 |
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Build a framework for problem determination triage
So how do you set up "triage" problem determination? This article describes aspects of event visualization for triage problem determination that use concepts of autonomic computing -- such as Log and Trace Analyzer for Java Desktop (LTA-JD) -- and symptoms to represent, detect, evaluate, and resolve incidents and problems related to business mission-critical infrastructure management and operations. This two-part article also covers event and symptom visualization and processing methods of LTA-JD to enable efficient proactive avoidance of these incidents and problems. In this first part, you'll take a tour of the underlying concepts.
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Articles |
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27 Mar 2007 |
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Process XML using XQuery
For years developers have used SQL to retrieve data from structured sources such as relational databases. But what about unstructured and semi-structured sources, such as XML data? To be viable as a data source, XML needed a means to conveniently retrieve the data. XQuery provides this means, allowing developers to write a statement that both extracts data and (if necessary) structures the results as XML. This tutorial shows you how to use XQuery to retrieve information from an XML document stored in an XQuery-enabled database. It also explains the ways in which XPath changes with version 2.0, and what those changes mean for data management.
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Tutorials |
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27 Mar 2007 |
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Use XForms to create an accounting tool, Part 2: Logging in and accounts
This six-part series demonstrates how to leverage the power of XForms in conjunction with MySQL and PHP for support processing to create an online accounting tool called X-Trapolate. Every good programming technology possesses a range of problems it excels at solving. The series highlights some of the problems that the XForms solves effectively, such as the need for live calculations and greater interactivity. Part 2 of this six-part series demonstrates how to leverage the power of XForms in conjunction with PHP and MySQL to create the basic "login," "registration," and "account management" functionality seen in many modern Web applications.
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Tutorials |
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27 Mar 2007 |
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Use XForms to create an accounting tool, Part 1: The making of X-Trapolate
This six-part series demonstrates how to leverage the power of XForms in conjunction with MySQL and PHP for support processing to create an online accounting tool called "X-Trapolate." Every good programming technology possesses a range of problems it excels at solving. The series highlights some of the problems that the XForms solves effectively, such as the need for live calculations and greater interactivity. This article, Part 1 of the series, provides an overview of the different forms and functionality that will be created in this series, examining some of the aspects of this type of tool you must consider when undertaking the design.
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Articles |
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20 Mar 2007 |
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DB2 9 Application Developer Certification Exam 733 prep, Part 3: XML data manipulation
Learn how DB2 parses XML, handles whitespace, and serializes XML, and see how
document encoding and client data type affect parsing and serialization. Learn, also, how
DB2 validates XML against an XML schema as well as how to use SQL/XML functions to "shred"
XML to relational data, assemble relational into XML, and publish XML as relational data types to hold XML data.
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Tutorials |
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16 Mar 2007 |
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Meet the specs: WS-RT 1.0 operations, Part 3
Meet the WS-ResourceTransfer 1.0 initial draft specification, a proposed
open standard that extends certain operations by allowing fragments of XML code in a
single resource to be addressed instead of having to affect the entire resource. This
article provides a closer look at how the WS-ResourceTransfer 1.0 specification handles faults.
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Articles |
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06 Mar 2007 |
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Use XForms to create your own Sudoku game, Part 1: Create the game
It's no secret that Sudoku is one of the hottest new trends around. This two-article series shows you how to create a game client that requests new games from the server, detects legal and illegal moves and the end of the game, and saves the current game for later. It also shows you how to generate new games for the user to play. In part one, we create the basic game client.
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Articles |
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27 Feb 2007 |
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Creating an XForms-based logo generator
Scalable Vector Graphics (SVG) provides an easy way to declaratively create an image using XML, and XForms provides an easy way to edit XML. In this article you will put the two together to create an XForms-based XVG editor for creating SVG images such as logos.
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Articles |
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20 Feb 2007 |
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Meet the specs: WS-RT 1.0 operations, Part 2
Meet the WS-ResourceTransfer 1.0 initial draft specification, a proposed open standard that extends certain operations by allowing fragments of XML code in a single resource to be addressed instead of having to affect the entire resource. This article provides a closer look at how the WS-ResourceTransfer 1.0 specification extends the Create operation.
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Articles |
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06 Feb 2007 |
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Introduction to XSLT
The need to transform XML is so common that Extensible Stylesheet Language Transformations (XSLT) is considered one of the basic XML specifications. This tutorial explains how to create XSLT stylesheets. It also covers the basics of XPath, which enables you to select specific parts of an XML document. Finally, it gives you a look at some of the more advanced capabilities that XSLT offers.
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Tutorials |
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23 Jan 2007 |
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XForms tip: Call JavaScript from an XForms form
Because XForms controls are part of a namespace separate from the HTML and page, you cannot use the usual methods for calling JavaScript in response to user events, such as the onclick handler. So what are you to do if you need to call JavaScript from an XForms form? This tip shows you how to do it.
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Articles |
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09 Jan 2007 |
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Build a shopping cart application using XForms
This tutorial focuses on key aspects of the W3C XForms 1.0 standard to produce a fully functional Web-based shopping cart. With this approach, the reader will get a good start at creating real-world applications with XForms, without having to learn the entire XForms specification.
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Tutorials |
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12 Dec 2006 |
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Meet the specs: WS-RT 1.0 operations, Part One
Meet the WS-ResourceTransfer 1.0 initial draft specification, a proposed open standard that extends certain operations by allowing fragments of XML code in a single resource to be addressed instead of having to affect the entire resource. This article provides a closer look at how the WS-ResourceTransfer 1.0 specification extends the Get operation.
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Articles |
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29 Nov 2006 |
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Planning to upgrade XSLT 1.0 to 2.0, Part 2: Five strategies for changing from XSLT 1.0 to 2.0
XSLT 2.0 has features that allow a gradual upgrade of 1.0 stylesheets. However, some situations call for an overhaul, so you can review and improve the whole architecture. Should you overhaul or try the gradual approach? This article presents some relevant design issues to help you decide. You also get some guidance on the organizational characteristics that indicate success or difficulty for each upgrade strategy.
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14 Nov 2006 |
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Integrate Excel and XML documents using WebSphere Information Integrator
In this article you will learn how to integrate Excel and XML documents using a WebSphere Information Integrator federated system. We begin with a discussion of the basic concepts of a WebSphere Information Integrator federated system, and then explain how federation of Excel and XML documents works, including a detailed example of the integration.
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09 Nov 2006 |
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XForms tip: Alerts and message boxes
XForms is about collecting data, but it is also about improving the user experience. In some cases, you need to provide additional information to the user outside of the actual form. In traditional Web pages, you accomplish this through the use of alert boxes and pop-up windows. In addition to its help capabilities, XForms gives you a number of different options for providing additional information for the user. This tip explains alerts and message boxes, the difference between them, and how to use them.
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17 Oct 2006 |
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XML and Related Technologies certification prep, Part 4: XML transformations
When an application needs to share data with another system, it is often necessary to transform an XML document into another XML format, governed by a differing XML Schema or Document Type Definition (DTD). When an application is required to share or display XML data to a user, the XML document might be transformed into HTML, Scalable Vector Graphics (SVG), VoiceXML, plain text, or any of a large number of human-readable formats. This XML certification tutorial deals with the XML transformations that make this happen by demonstrating the use of XSLT, XPath, and Cascading Style Sheets (CSS).
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10 Oct 2006 |
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XForms tip: Combining Ajax and XForms
Asynchronous JavaScript and XML, or Ajax, has been causing a stir in the Web world for some time now, because it enables Web designers to create an application that reacts to the user's actions without having to reload the entire page, a capability that already exists natively in XForms. This tip looks at both the XForms and Ajax versions and how to combine the two techniques. There are plenty of resources out there to teach you how to actually make Ajax requests, but XForms provides some special challenges and opportunities in using the data once you get it back.
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03 Oct 2006 |
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Introduction to XForms, Part 2: Forms, models, controls, and submission actions
XForms is the next generation of Web-based data processing. It replaces traditional HTML forms with an XML data model and presentation elements. In this three-part series, you'll be introduced to XForms and its capabilities, including the basic XForms model and form, the various types of controls, and basic and advanced form submission. This article, the second of a three-part series, focuses on creating an XForms-based form using any of the available controls, as well as creating a data model.
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19 Sep 2006 |
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Meet the specs: Intro to WS-ResourceTransfer 1.0
Meet the WS-ResourceTransfer 1.0 initial draft specification (WS-RT), a proposed open standard that extends certain operations by allowing fragments of XML code in a single resource to be addressed instead of having to affect the entire resource. This introduction provides an overview of the specification, examines its heritage, and starts climbing the learning curve by uncovering the definition of fragments and discovering the three expression dialects employed in WS-RT.
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19 Sep 2006 |
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DB2 XML evaluation guide
The DB2 XML Evaluation Guide is a step-by-step tutorial to introduce the reader to the DB2 Viper data server on Windows platforms using the XML storage and searching (SQL/XML, XQuery) capabilities available to support next-generation applications.
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01 Jun 2006 |
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Working XML: Get started with XPath 2.0
XPath 2.0 is the foundation of two essential recommendations currently in the final stages of development at W3C: XSLT 2.0 and XQuery. It is a major rewrite designed to significantly increase the power and efficiency of the language. In this article, Benoit Marchal shows how the new data model enables you to easily write more sophisticated requests.
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30 May 2006 |
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XML in Firefox 1.5, Part 1: Overview of XML features
The open source Firefox Web browser continues to grow in popularity. Users like the security and convenience features it offers. Developers like the Firefox attention to standards compliance, inherited from its Mozilla roots. The most recent version, Firefox 1.5, comes with many features for XML developers, including XML parsing, XHTML, CSS, XSLT, SVG, XML Events in JavaScript, and XForms. Additional third-party extensions provide even more XML support. In this article, Uche Ogbuji provides an overview of XML features in Firefox 1.5.
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21 Mar 2006 |
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An introduction to XQuery
Howard Katz introduces the W3C's XQuery specification.
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06 Jan 2006 |
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Practical data binding: XPath as data binding tool, Part 2
Once you understand XPath syntax and location paths, accessing XML without the overhead of DOM and SAX is possible and even easy. Fortunately for Java developers, the Java API for XML Processing (JAXP) provides a native Java solution for creating XPath requests and using the results in your applications. In this article, the second in a two-part series, you'll learn how to create an XPath request, execute that request, and work with the resulting node set -- all within a comfortable Java environment.
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04 Jan 2006 |
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Process Atom 1.0 with XSLT
Atom 1.0 is the emerging Internet Engineering Task Force (IETF) standard for Web feeds -- information updates on Web site contents. Since Atom is an XML format, XSLT is a powerful tool for processing it. In this tutorial, Uche Ogbuji looks at XSLT techniques for processing Atom documents, addressing real-life use cases.
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13 Dec 2005 |
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Practical data binding: XPath as data binding tool, Part 1
XPath is not traditionally considered a data binding API. It doesn't even get much attention in the XML world, except in passing as part of other specifications. But once you fully understand what XPath is and how to use it -- particularly in a Java programming environment -- it becomes a powerful data binding tool that's often preferable to traditional data binding APIs such as JAXB or JaxMe. Brett McLaughlin's Practical data binding column returns with the first in a two-article series that examines XPath as a data binding tool.
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29 Nov 2005 |
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Simplify XML processing with XJ
Extend Java technology with first-class support for XML, XPath, and XML Schema to make XML processing programs easier to write, more robust, and more efficient. This article provides a gentle introduction to XML Enhancements for Java (XJ), a set of language extensions that adds direct support for XML in the Java programming language. The authors are part of the team that developed XJ.
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28 Jun 2005 |
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IBM XML certification success, Part 2: Prepare for IBM XML certification with more technologies
This is the second part of a three-part tutorial series designed specifically for those interested in taking the IBM Certified Solution Developer Exam for XML and Related Technologies. Here, authors Pradeep Chopra and Hari Vignesh Padmanaban follow up on the lessons in Part 1 by introducing the reader to several more critical XML technologies like XPath, XSLT, XLink, XPointer, CSS, XSL-FO, SAX, and DOM. Furthermore, the authors reinforce the reader's understanding through examples and exercises.
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31 May 2005 |
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Get started with XPath
This tutorial introduces the W3C standard, XPath. It is aimed at people who do not know XPath or who want a refresher. If you plan to use XSLT, you should take this tutorial first. You will learn what XPath is, the syntax and semantics of the XPath language, how to use XPath location paths, how to use XPath expressions, how to use XPath functions, and how XPath relates to XSLT. This tutorial covers XPath Version 1.0.
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11 May 2004 |
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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. Uche Ogbuji has presented the most important standards relating to XML in three in-depth articles. In this fourth article, he provides a detailed cross-reference of all the covered standards.
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02 Mar 2004 |
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XML Matters: Investigating SXML and SSAX
In previous installments, David has looked at XML libraries for various programming languages, and their various strengths and weaknesses. This time, he looks at the Lisp/Scheme family of languages that continues to endure in popularity, especially in teaching and among purists. Included in the discussion are the SSAX library for Scheme (an efficient pure-functional parser), the SXML tree library (similar to DOM), and the related tools SXSLT and SXPath, which have been created to work with them. David covers the advantages of parsing in a strongly functional language, and compares SSAX with libraries for other languages.
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23 Oct 2003 |
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Two modes of implementing an XML-based localization pack: embed and extend
In this article, IBM software engineer Bei Shu shows you how to enable multiple language support in your Web applications using different XML technologies from the architect perspective.
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18 Jun 2003 |
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Tip: Use internal references in XML vocabularies
In some cases, you can avoid repeating identical data fields by using internal references from one field to another. Uche Ogbuji demonstrates how in this tip.
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01 Mar 2003 |
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Tip: Keep context straight in XSLT
Developers frequently forget where context changes in XPath. XSLT provides an anchor for the initial context used for XPath expressions -- the current() function. In this tip, Uche Ogbuji warns about common bugs associated with changing context, and explains how to use current(). You should be familiar with the basics of XPath and XSLT.
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01 Feb 2003 |
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XML for Data: What's new in XPath 2.0?
Kevin Williams takes a look at the latest status of the XPath 2.0 specifications and provides some specific examples of XPath 2.0 features that will make the XML developer's life easier. Examples are provided in XML and XPath.
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01 Sep 2002 |
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Effective XML processing with DOM and XPath in Java
Based on an analysis of several large XML projects, this article examines how to make effective and efficient use of DOM in Java.
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01 May 2002 |
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Working XML: Compiling the proxy
In this column, Benoit provides the front end for the Handler Compiler, HC, and encounters unexpected problems with the DFA. A stable but less than optimal solution makes it possible to release a first version of HC for further testing.
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01 Mar 2002 |
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Working XML: Compiling the paths and automating tests
This month, our columnist discusses the compilation algorithm. He also invests a bit of time automating tests with JUnit.
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01 Jan 2002 |
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Working XML: Compiling XPaths
This month our columnist describes how he implements the DFA construction algorithm, giving the first concrete example of using the compiler to recognize XPath.
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01 Jan 2002 |
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Working XML: Building a compiler for the SAX ContentHandler
This installment of the column describes the requirements for the Java project and analyzes its overall design. The new project, called HC (short for Handler Compiler), will take some drudgery out of event-based XML parsing by automatically generating the SAX ContentHandler for a list of XPaths.
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01 Nov 2001 |
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Manipulating data with XSL
This tutorial explains the basics of retrieving data from a database into a DOM document, transforming the DOM document into a second document, and inserting the data from the second document into the database using updatable ResultSets in Java. (Though the examples are all written in Java, the concepts are the same in any programming language and the tutorial can assist any developer who wants to learn how to manipulate data with XSLT.) Several of the more advanced features of XSLT and XPath are covered, demonstrating some of the ways that XSLT style sheets can be used to emulate the programming capabilities of database stored procedures.
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24 Oct 2001 |
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Effective XML processing with DOM and XPath in Perl
Based on an analysis of several large XML projects, this article examines how to make effective and efficient use of DOM. Developer/author Tony Daruger provides a set of usage patterns and a library of functions to make DOM robust and easy to use. Though the DOM offers a flexible and powerful means for creating, processing, and manipulating XML documents, some aspects of DOM make it awkward to use and can lead to brittle and buggy code. This article suggests ways to avoid the pitfalls. Perl code samples demonstrate the techniques.
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01 Oct 2001 |
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XML Matters: Indexing XML documents
As XML document storage formats become popular, especially for prose-oriented documents, the task of locating contents within XML document collections becomes more difficult. This column extends the generic full text indexer presented in David's Charming Python #15 column to include XML-specific search and indexing features. This column discusses how the tool design addresses indexing to take advantage of the hierarchical node structure of XML.
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01 May 2001 |
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