Fundamentals of XML

Course Outline

• Unstructured Text Document
• An Employee Document
• What is XML ?
• Why Study XML?
• Data and Document Structure
• Elements
• First XML
• Another Example of XML
• Well-formed vs. Valid XML Document
• Presentation Style
• Goals of XML
• Usage of XML
• Summary

• XML Elements
• Empty and Non-Empty Elements
• XML Naming Rules
• Rules for XML Tags
• Nesting and Hierarchy of XML Elements
• Simple XML
• Sections of an XML Document
• XML Constructs…
• XML Declaration
• Processing Instructions
• Is the XML Declaration a Processing Instruction ?
• XML Elements
• Tag Attributes
• Comment Tags
• CDATA Tags
• Entity References
• Character References
• Namespaces
• Namespace URLS
• Namespaces
• Using XML Namespaces
• Working with Binary Data
• Encoding Binary Data
• Specifying Content Type of Binary Data
• Summary

• What is XML Schema ?
• Goals of Schema
• Converting DTDs to Schema
• Recall: Namespaces
• The equivalent schema
• Sample instance document
• Documents Needed
• XML Schema Namespaces
• Link Documents to Schemas
• Inline element declarations
• XSchema Data Types
• XSchema Type Definitions
• XSchema Simple Data Types
• Primitive Data Types
• Simple Types
• Facet – Restrictions on Element Content
• Using the Facet
• More Samples
• Define Simple Element Type
• Element Declaration
• Element Occurrence Indicators
• Complex Type
• Attribute Declaration
• Attribute Declarations
• Occurrence of Attributes
• Value Constraints on Attributes
• Sequence Element
• Element Choices
• Express any order
• Annotations

• Xpath
• Tree Structure
• Example
• XPath Examples
• XPath Core Definitions
• Wildcards and Multiple Matches
• Other Node Operators
• Path Operators
• Predicates
• Predicate Relationships and Attributes
• More Predicate Examples
• Predicates Chaining and Indexing
• XPath Expressions
• XPath Numbers
• XPath Strings
• XPath Booleans
• XPath Functions
• String Functions
• Boolean Functions
• Number Functions
• XSLT and XPath
• XPath and Content Based Routing
• Summary

• What Is XQuery?
• XQuery Uses
• XQuery Properties
• XPath and XSLT
• XQuery Flow
• XQuery Participants
• Sample XQuery Source
• Simple Example Queries
• FLWOR Queries
• F-WOR Explained
• L Explained
• Wrapping Output
• Converting Output
• Inline Output
• Data Rendering
• Functions
• Joins
• Join Example
• Summary

• Formatting XML Documents
• XSL
• Three Parts of XSL
• XSLT – XSL Transformation
• <xsl:stylesheet>
• <?xml-stylesheet>
• <xsl:template>
• <xsl:template>
• <xsl:value-of>
• Navigating with XPath
• Navigating With XPath
• <xsl:for-each>
• <xsl:if>
• XPath Boolean expressions
• XPath Boolean Expressions
• <xsl:choose>
• <xsl:apply-templates>
• <xsl:sort>
• The Music Collection Example – Introduction
• The Music Collection Example – Sample XML file
• The Music Collection Example – Retrieving owner details
• The Music Collection Example – Retrieving the core data
• The Music Collection Example – Current Output
• The Music Collection Example – Retrieving canadianContent data
• The Music Collection Example – Current Output
• The Music Collection Example – Retrieving media data
• The Music Collection Example – Final Output
• Formatting XML Documents

• Topics
• Needs for Using XML in Applications
• Basic Functionalities Required for XML Applications
• XML Parser
• Obtaining a Parser
• SAX
• How it Works
• DOM
• DOM Parsing
• Applying XML Across System Boundaries
• Using XML on the Client Side
• Using XML on the Server Side
• Using XML in Non-Networked Systems
• Using XML in RDBMS
• The J2EE Blueprint
• A Typical Architecture Using XML in J2EE Applications
• Using XML in Applets
• Using XML Parser in Applets
• Using XML in Servlets
• Creating XML Middleware for Accessing Databases
• Transforming RDBMS Data to XML Data
• Transforming XML Data to RDBMS Data
• Storing XML Data in DB2

• Evolving Schema
• Managing XML Schema
• Management Techniques
• Internal Techniques
• Schema Version Attribute
• Adding An Attribute
• Namespace Change
• File-Based Mechanisms
• External
• Which To Use?
• Summary

• A Conceptual Look at Services
• Defining Services
• Service Communication Analogy
• Three Key Service Questions
• Connecting the Dots
• SOA: Runtime Implementation
• What Is a Web Service?
• Enterprise Assets as Services
• Typical Development Workflow
• Advantages of Web Services
• Web Service Business Models
• Example: Internal System Integration
• Example: Business Process Externalization
• Web Services Standards
• Binding via SOAP
• SOAP in Protocol Stack
• SOAP Structure
• SOAP Message Architecture
• Applying SOAP
• Interface via WSDL
• WSDL Structure
• Applying WSDL
• Locating a Service
• UDDI Overview
• UDDI Terminology
• UDDI Structure
• Applying UDDI
• WS-I Overview
• WS-I Deliverables
• Summary

• Cascading Style Sheets
• The xml-stylesheet processing instruction
• CSS details
• An example
• Common CSS tags – display
• Common CSS tags – Colors and Backgrounds
• Common CSS tags – Fonts

• DTD
• DOCTYPE Declaration
• Types of DTDs
• DOCTYPE
• Internal DTDs
• External DTDs
• Basic DTD Markup
• Element Type Declaration
• Elements Declarations
• Declaring Children
• Declaring Multiple Children
• Declaring Optional Childrens
• Declaring Zero or More Children
• Declaring One or More Children
• Combination of Children
• Putting It All Together – DTD
• Putting It All Together – XML
• Mixed Content
• Mixed Content – An Example
• Attributes Declaration
• Attribute Default Values
• Attribute Types
• String Attribute Type
• Tokenized Attribute Type
• Enumerated Attribute Type
• ENTITY Declaration
• Parsed General Entities
• Parsed Parameter Entities