XML Library Changes

When I wrote chapter 6, I used Sun's "Java Project X" experimental parser. Alot has happened in the XML parser world since then. Sun has made a major effort to create a parser library that does away with dependency on specific libraries.

For instance, my code in the book used:

 import com.sun.xml.parser.Resolver ;

and used a String with specific named parser class. The current approach is to use a ParserFactory or DocumentBuilderFactory in code like the following that depends on the factory to create a usable parser.

 DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
 dbf.setValidating( false );
 DocumentBuilder db = dbf.newDocumentBuilder();
 Document doc = db.parse( xmlFile );

I have modified the Chapter 6 files that are affected by this change. You can download them here.

Some Current XML Parsers

Sun's JAXP parser and related activity - start here.
Apache open-source Xerces parser and related XML projects start here
The JDOM parser optimized for Java - start here

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Last edited 1st March 2007.