jess.xml
Class JessSAXHandler

java.lang.Object
  org.xml.sax.helpers.DefaultHandler
      jess.xml.JessSAXHandler

All Implemented Interfaces:

org.xml.sax.ContentHandler, org.xml.sax.DTDHandler, org.xml.sax.EntityResolver, org.xml.sax.ErrorHandler

public class JessSAXHandler

extends org.xml.sax.helpers.DefaultHandler

A SAX parser event handler. SAX events are translated into Jess constructs in a Rete engine.

(C) 2006 Sandia National Laboratories

Field Summary

static java.lang.String	FACTLIST The top-level element of a JessML fact file.
static java.lang.String	RULEBASE The top-level element of a regular JessML file.

Constructor Summary

JessSAXHandler(Rete sink, java.lang.String topLevelElement)
Construct a JessSAXHandler that will execute parsed code in the context of the given Rete object.

Method Summary

void	characters(char[] ch, int start, int length)
void	endElement(java.lang.String uri, java.lang.String localName, java.lang.String qName)
void	startElement(java.lang.String uri, java.lang.String localName, java.lang.String qName, org.xml.sax.Attributes attributes)

Methods inherited from class org.xml.sax.helpers.DefaultHandler

endDocument, endPrefixMapping, error, fatalError, ignorableWhitespace, notationDecl, processingInstruction, resolveEntity, setDocumentLocator, skippedEntity, startDocument, startPrefixMapping, unparsedEntityDecl, warning

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

RULEBASE

public static final java.lang.String RULEBASE

The top-level element of a regular JessML file.

See Also:

Constant Field Values

FACTLIST

public static final java.lang.String FACTLIST

The top-level element of a JessML fact file.

See Also:

Constant Field Values

Constructor Detail

JessSAXHandler

public JessSAXHandler(Rete sink,
                      java.lang.String topLevelElement)

Construct a JessSAXHandler that will execute parsed code in the context of the given Rete object.

Parameters:

sink - the Rete object that will serve as an execution context

Method Detail

startElement

public void startElement(java.lang.String uri,
                         java.lang.String localName,
                         java.lang.String qName,
                         org.xml.sax.Attributes attributes)
                  throws org.xml.sax.SAXException

Throws:

org.xml.sax.SAXException

endElement

public void endElement(java.lang.String uri,
                       java.lang.String localName,
                       java.lang.String qName)
                throws org.xml.sax.SAXException

Throws:

org.xml.sax.SAXException

characters

public void characters(char[] ch,
                       int start,
                       int length)
                throws org.xml.sax.SAXException

Throws:

org.xml.sax.SAXException