Class FrequencyHandler

java.lang.Object

org.xml.sax.helpers.DefaultHandler

com.sun.xml.analysis.frequency.FrequencyHandler

All Implemented Interfaces:

ContentHandler, DTDHandler, EntityResolver, ErrorHandler

public class FrequencyHandler
extends DefaultHandler

A SAX-based handler to collect the frequency of occurences of properties of information items in one or more infosets.

Author:

Paul.Sandoz@Sun.Com

Constructor Summary

Constructors

Constructor	Description
FrequencyHandler()	The default frequency handler.
FrequencyHandler(SchemaProcessor sp)	A frequency handler initiated with information generated from a SchemaProcessor.

Method Summary

Modifier and Type	Method	Description
void	addQNameToAttributes(QName q)
void	addQNameToElements(QName q)
void	addXsiAttributes()
void	generateQNamesWithPrefix()	Generate qualified names that have not been processed.
FrequencyBasedLists	getLists()	Deprecated.
Map<String,String>	getNamespaceURIToPrefixMap()
Vocabulary	getVocabulary()	Get the vocabulary
void	startElement(String uri, String localName, String qName, Attributes atts)
void	startPrefixMapping(String prefix, String uri)

Methods inherited from class DefaultHandler

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

Methods inherited from class Object

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

Methods inherited from interface ContentHandler

declaration

Constructor Details

FrequencyHandler

public FrequencyHandler()

The default frequency handler.

FrequencyHandler

public FrequencyHandler(SchemaProcessor sp)

A frequency handler initiated with information generated from a SchemaProcessor.

Parameters:

sp - the schema processor.

Method Details

addXsiAttributes

public void addXsiAttributes()

addQNameToElements

public void addQNameToElements(QName q)

addQNameToAttributes

public void addQNameToAttributes(QName q)

getLists

public FrequencyBasedLists getLists()

Deprecated.

Get the frequency based lists of properties of information items.

Returns:

the frequency based lists.

getVocabulary

public Vocabulary getVocabulary()

Get the vocabulary

Returns:

the vocabulary.

generateQNamesWithPrefix

public void generateQNamesWithPrefix()

Generate qualified names that have not been processed.

Prefixes are automatically chosen.

TODO: check for clashes with prefixes generated and prefixes that have already occured.

getNamespaceURIToPrefixMap

public Map<String,String> getNamespaceURIToPrefixMap()

startPrefixMapping

public void startPrefixMapping(String prefix,
 String uri)
                        throws SAXException

Specified by:

startPrefixMapping in interface ContentHandler

Overrides:

startPrefixMapping in class DefaultHandler

Throws:

SAXException

startElement

public void startElement(String uri,
 String localName,
 String qName,
 Attributes atts)
                  throws SAXException

Specified by:

startElement in interface ContentHandler

Overrides:

startElement in class DefaultHandler

Throws:

SAXException