Fast Track to XML and Java

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Introduction to XML

XML Defined
Benefits of Using XML, comparison to HTML
SGML and the origins of XML.
The XML standard and how it relates to the other standards (XSL, XPath, DOM, SAX, etc).
Some real life XML applications.

The XML Document

Structure of the XML document.
The document body
Elements, tags, and attributes.
Prolog, XML Declaration and PIs.
Entities, CDATA
Well-formed XML
XML syntax and parsing.

Namespaces

The Motivating Problem
The Namespace Solution (Definition, qualified names, URIs, prefixes)
Namespace scope and overriding
Default Namespaces
Namespaces and Attributes

Valid XML Documents

Definition of a valid document
Definition of a schema
Schema Languages

XML Schema

General Form of an XML Schema
Elements, Attributes and Types
Element Definitions
Simple Types
Primitive and Derived Datatypes
Complex Types – Sequence, Choice, All
Element Occurrence Constraints
Attribute Definitions
Attribute Occurrence Constraints
SimpleContent Type
Using XML Schema with Namespaces

The Document Type Definition (DTD) Overview

The role and functions of a DTD.
Specifying internal and external DTDs.
Specifying elements and attributes.
Specifying internal and external entities.
Defining Elements
Defining Attibutes
CDATA and NMTOKEN
DTD conformance and valid XML documents.
Comparison of XML Schema to DTD
Since DTDs are being phased out in favor of XML Schemas, we present only an overview here

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XML Schema Advanced Topics

Element and Attribute Group Definitions
Defining New Types
Facets
Defining new Simple Types by Restriction, Enumeration, List, Union
Defining new Complex Types by Extension and Restriction
Generic Types

XML and Java

How Java and XML work together.
JAXP: the Java XML API.
Data Modeling: relating XML and Java structures.
Generating XML from Java.
Basic parsing concepts.
Getting and using XML parsers for Java.
Event-driven and tree-based parsing.
The role of SAX and DOM.

The SAX 2.0 Interface

Basic SAX design goals and implementation.
The parser interface and methods.
The ContentHandler interface and methods.
SAXExceptions and the ErrorHandler Interface.
The EntityResolver interface and methods.
The DTDHandler interface and methods.
Using SAX with validating parsers.
Other SAX features and interfaces.

The DOM 2.0 Interface

What the DOM standard is.
The DOM Java binding.
The DOM node tree.
The Node interface and methods.
Entity, Document, and other DOM subclasses
Building and traversing a DOM tree.
Modifying and transforming DOM trees.
Using DOM to generate or transform XML.
Using DOM with validating parsers.

Additional Topics

Other APIs
Performance Issues
JAXB Overview
JDOM Overview