XML Fundamentals

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• Outline
• Part I: XML Overview
• What is XML?
• XML is a Meta Markup Language
• XML describes structure and semantics, not formatting
• A Song Description in HTML
• A Song Description in XML
• The XML Declaration
• Elements
• Cascading Style Sheets
• CSS Stylesheet for Songs
• Attaching style sheets to documents
• song.xsl
• Applying an XSLT Style Sheet
• Output
• Editing and Saving XML Documents
• Questions?
• Well-formedness
• Validity
• A DTD for Songs
• A Valid Song Document
• Checking Validity
• Questions?
• A More Complex Example
• Attributes
• Empty-element Tags
• Comments
• Namespaces
• Entity References
• A More Complex DTD
• Questions?
• Part II: What is XML Good For?
• What is XML used for?
• Domain-Specific Markup Languages
• Self-Describing Data
• An XML Fragment
• Interchange of Data Among Applications
• Can assemble data from multiple sources
• XML Applications
• Example XML Applications
• Mathematical Markup Language
• Channel Definition Format
• Classic Literature
• Vector Graphics
• XML for XML
• XSL: The Extensible Stylesheet Language
• Schemas
• W3C XML Schema Language Example
• XLinks
• File Formats, in-house applications, and other behind the scenes uses
• Questions?
• Part III: Processing XML
• Several APIs to choose from
• SAX
• SAX2
• The SAX Process
• Parsing a Document with XMLReader
• The ContentHandler interface
• SAX Example
• Event Based API Caveats
• Document Object Model
• The Design of the DOM API
• DOM Evolution
• Eight Modules:
• DOM Trees
• org.w3c.dom
• The DOM Process
• Parsing documents with a DOM Parser Example
• DOM Example
• JDOM
• The JDOM Process
• Parsing a Document with JDOM
• Parser Results
• JDOM Example
• XML and Databases
• Integrating XML with Databases
• Middleware
• Database Exchange and Integration
• To Learn More
• Questions?

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