Processing XML with Java

• Processing XML with Java
• Please turn off all
• Where we're going
• Processing XML with Java is easy
• Prerequisites
• XML API Styles
• Parser APIs
• Part I: XML Infoset
• A simple example
• Markup and Character Data
• Markup and Character Data Example
• Elements and Tags
• Entities
• Parsed Character Data
• CDATA sections
• Comments
• Processing Instructions
• The XML Declaration
• Document Type Declaration
• Document Type Definition (DTD)
• XML Names
• Questions?
• XML Namespaces
• Namespace Syntax
• Namespace URIs
• Binding Prefixes to Namespace URIs
• The Default Namespace
• How Parsers Handle Namespaces
• Questions?
• Three Variations on a Theme
• A normal XML document
• A canonical XML document
• An org.w3c.dom.Document object formed by reading hotcop.xml
• Are these three the same thing or not?
• What is the XML Infoset?
• A kangaroo is infoset conformant if its collar says, "This kangaroo contains no information items."
• The Infoset defines 11 Kinds of Information Items
• The Document Information Item
• Element Information Items
• Attributes
• Comments
• A Processing Instruction Information Item Includes:
• Characters
• Namespace Information Items
• Document Type Declaration
• Unparsed Entity Information Items
• The Infoset Omits:
• The Five Layers of XML Processing
• To Learn More
• Questions?
• Part II: Writing XML Documents with Java
• You don't always need a new API
• Unicode
• Readers and Writers
• A Java program that writes Fibonacci numbers into a text file
• fibonacci.txt
• A Java program that writes Fibonacci numbers into an XML file
• fibonacci.xml
• Single quoted attribute values are a little cleaner
• Suppose we want to use a different encoding than UTF-8
• fibonacci_Latin_1.xml
• Suppose you want to include a DTD
• valid_fibonacci.xml
• Questions?
• Converting data to XML
• Sample Tab Delimited Data: Baseball Statistics
• A Program to convert tab delimited data to XML
• Baseball Stats in XML
• Converting data to XML while Processing it
• Batting Averages in XML
• The point is this:
• Questions?
• To Learn More
• Part III: Reading XML Documents with SAX
• Reading XML Documents
• SAX
• SAX Parsers for Java
• The Horrors of the CLASSPATH
• SAX1
• SAX2
• The SAX2 Process
• Making an XMLReader
• Parsing a Document with XMLReader
• Sample Output from SAX2Checker
• The ContentHandler interface
• SAX2 Event Reporter
• Event Reporter Output
• Questions?
• A Sample Application
• Goal: Return a list of all the URLs in this list as java.net.URL objects
• SAX Design
• User Interface Class
• ContentHandler Class
• Weblogs Output
• Questions?
• Features and Properties
• Feature/Property SAXExceptions
• Required Features
• Core Features
• Turning on Validation
• Three Levels of Errors
• The ErrorHandler interface
• An ErrorHandler for Reporting Validity Errors
• Validating
• Core Properties
• Nonstandard Features in Xerces
• Nonstandard Properties in Xerces
• Properties for Extension Handlers
• Questions?
• Handling Attributes in SAX2
• Attributes Example
• Resolving Entities
• EntityResolver Example
• Questions?
• Handling DTDs
• DTDHandler Example
• TextEntityReplacer
• Handling Declarations
• The DeclHandler interface:
• DTDMerger
• Handling Lexical Events
• The LexicalHandler interface
• LexicalHandler Example
• SAXCommentReader Output
• The Locator interface
• Locator Example
• Locator Example
• The DefaultHandler class
• The NamespaceSupport class
• Filtering XML
• XMLFilter Example
• TextMerger
• InputSource
• The InputSource interface
• Example of InputSource
• What SAX2 doesn't do
• Event Based API Caveats
• To Learn More
• Questions?
• Part IV: DOM, The Document Object Model
• Where we're going
• Trees
• Document Object Model
• DOM Evolution
• DOM Implementations for Java
• Eight Modules:
• DOM Trees
• org.w3c.dom
• The DOM Process
• Parsing documents with a DOM Parser Example
• The JAXP Process
• Parsing documents with a JAXP DocumentBuilder
• Questions?
• The Node Interface
• The NodeList Interface
• Node Reporter
• Node Reporter Output
• Node Values as returned by getNodeValue()
• The Document Node
• The Document Interface
• A Sample Application
• DOM Design
• Weblogs with DOM
• Weblogs Output
• Questions?
• Element Nodes
• The Element Interface
• IDTagger
• Output from IDTagger
• CharacterData interface
• The CharacterData Interface
• ROT13 XML Text
• ROT13 XML Output
• Text Nodes
• The Text Interface
• CDATA section Nodes
• The CDATASection Interface
• DocumentType Nodes
• The DocumentType Interface
• Example of the DocumentType Interface
• XHTMLValidator
• EntityReference Nodes
• The EntityReference Interface
• Attr Nodes
• The Attr Interface
• XLinkSpider with DOM
• ProcessingInstruction Nodes
• The ProcessingInstruction Interface
• XLinkSpider that Respects robots processing instruction
• Comment Nodes
• The Comment Interface
• Comment Example
• DOMCommentReader Output
• Entity Nodes
• The Entity Interface
• DOMException
• Questions?
• The org.w3c.dom.traversal Package
• NodeIterator
• ValueReporter
• ValueReporter Output
• NodeFilter
• DOM based TagStripper
• Output from a DOM based TagStripper
• TreeWalker
• Questions?
• Writing XML Documents with DOM
• The DOMImplementation interface
• org.apache.xerces.dom.DOMImplementationImpl
• A Xerces/DOM program that writes Fibonacci numbers into an XML document
• A JAXP/DOM program that writes Fibonacci numbers into an XML document
• Serialization
• A DOM program that writes Fibonacci numbers onto System.out
• fibonacci.xml
• OutputFormat
• Better formatted output
• formatted_fibonacci.xml
• DOM based XMLPrettyPrinter
• Output from a DOM based XMLPrettyPrinter
• The point is this:
• Questions?
• To Learn More
• Part V: JDOM
• Where we're going
• What is JDOM?
• About JDOM
• JDOM versions
• Six packages:
• The org.jdom package
• The org.jdom.input package
• The org.jdom.output package
• The org.jdom.filter package
• The org.jdom.adapters package
• The org.jdom.transform package
• The org.jdom.xpath package
• Writing XML Documents with JDOM
• A JDOM program that writes this XML document
• Hello JDOM
• Actual Output
• Hello DOM
• White space is significant
• Actual Output
• fibonacci.xml
• A JDOM program that writes Fibonacci numbers into an XML file
• Output
• Controlling white space on output
• Output
• Suppose you want to include a DTD
• ValidFibonacci
• validfibonacci.xml
• Internal DTD Subsets
• internalvalidfibonacci.xml
• Using Namespaces
• Rules for Using Namespaces
• With Namespace Prefixes
• The Default, Unprefixed Namespace
• Rules for Using Default Namespace
• With Default Namespace
• Converting data to XML
• Sample Tab Delimited Data: Baseball Statistics
• A Program to convert tab delimited data to XML
• Baseball Stats in XML
• A Shortcut
• Questions?
• Converting data to XML while Processing it
• Batting Averages in XML
• Advantages of JDOM for Writing Documents
• Questions?
• Reading XML with JDOM
• JDOM Compatible Parsers for Java
• The JDOM Process
• Parsing a Document with JDOM
• Parser Results
• Turning on Validation in JDOM
• JDOM Validator
• Validation Output
• Weblogs with JDOM
• Goal: Return a list of all the URLs in this list as java.net.URL objects
• JDOM Design
• Weblogs with JDOM
• Weblogs Output
• The org.jdom Package
• The Document Node
• The Document Class
• Document Example
• Output from XMLPrinter
• Element Nodes
• Element Class Implementation
• The Element Class
• Element Example: XCount
• XCount Output
• Handling Attributes in JDOM
• The Attribute Class
• XLinkSpider with JDOM
• IDTagger
• Before IDTagger
• After IDTagger
• Handling Entities in JDOM
• The EntityRef Class
• Handling Comments in JDOM
• The Comment Class
• Comment Example
• CommentReader Output
• ProcessingInstruction Nodes
• The ProcessingInstruction Class
• XLinkSpider that Respects the robots Processing Instruction
• Handling Namespaces
• The Namespace Class
• DocType Nodes
• The DocType class
• Example of the DocType Class
• XHTMLValidator
• Using the XHTMLValidator
• The Verifier Class
• The Verifier Class
• JDOMException
• JDOMException Class
• The org.jdom.output Package
• Serialization
• XMLOutputter
• Using the XMLOutputter Class Directly
• Using the XMLOutputter Class Indirectly
• JDOM based TagStripper
• Output from a JDOM based TagStripper
• Talking to DOM Programs
• Talking to SAX Programs
• What JDOM doesn't do
• To Learn More
• Questions?
• Part VI: Pull Parsing
• To Learn More
• Part VII: TrAX
• What is TrAX
• TrAX Classes
• The Process of a TrAX Transformation
• TrAX Example
• Thread Safety
• Locating Transformers
• The xml-stylesheet processing instruction
• Features
• Features Example
• Feature Tester Output
• XSLT Processor Attributes
• URI Resolution
• Error Handling
• ErrorListener Example
• Passing Parameters to Style Sheets
• Output Properties
• Controlling Output Properties from Java
• Sources and Results
• DOMSource and DOMResult
• SAXSource and SAXResult
• StreamSource and StreamResult
• To Learn More
• Questions?
• To Learn More
• Questions?

Entire Presentation as Single File