com.sun.xml.analysis.frequency

Class FrequencyHandler

java.lang.Object

org.xml.sax.helpers.DefaultHandler

com.sun.xml.analysis.frequency.FrequencyHandler

All Implemented Interfaces:

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

public class FrequencyHandler
extends org.xml.sax.helpers.DefaultHandler

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

Field Summary

Fields

Modifier and Type	Field and Description
private FrequencySet<javax.xml.namespace.QName>	attributes
private FrequencySet<java.lang.String>	attributeValues
private FrequencySet<javax.xml.namespace.QName>	elements
private FrequencySet<java.lang.String>	localNames
private FrequencySet<java.lang.String>	namespaces
private java.util.Map<java.lang.String,java.util.Set<javax.xml.namespace.QName>>	namespacesToAttributes
private java.util.Map<java.lang.String,java.util.Set<javax.xml.namespace.QName>>	namespacesToElements
private java.util.Map<java.lang.String,java.lang.String>	namespaceURIToPrefix
private java.lang.StringBuilder	prefixBuilder
private char	prefixCharacter
private FrequencySet<java.lang.String>	prefixes
private FrequencySet<java.lang.String>	textContentValues

Constructor Summary

Constructors

Constructor and 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 and Description
private void	addAll(java.util.Set to, java.util.Set<?> from)
private void	addQName(javax.xml.namespace.QName q, java.util.Map<java.lang.String,java.util.Set<javax.xml.namespace.QName>> m, FrequencySet<javax.xml.namespace.QName> fhm)
void	addQNameToAttributes(javax.xml.namespace.QName q)
void	addQNameToElements(javax.xml.namespace.QName q)
void	addXsiAttributes()
private void	bucketQNamesToNamespace(java.util.Set<javax.xml.namespace.QName> s, java.util.Map<java.lang.String,java.util.Set<javax.xml.namespace.QName>> m)
private javax.xml.namespace.QName	createQName(java.lang.String uri, java.lang.String localName, java.lang.String qName)
void	generateQNamesWithPrefix() Generate qualified names that have not been processed.
private void	generateQNamesWithPrefix(java.util.Map<java.lang.String,java.util.Set<javax.xml.namespace.QName>> m, FrequencySet<javax.xml.namespace.QName> fhm, java.util.Map<java.lang.String,java.lang.String> namespaceURIToPrefix)
FrequencyBasedLists	getLists() Deprecated.
java.util.Map<java.lang.String,java.lang.String>	getNamespaceURIToPrefixMap()
private java.lang.String	getNewPrefix()
Vocabulary	getVocabulary() Get the vocabulary
void	startElement(java.lang.String uri, java.lang.String localName, java.lang.String qName, org.xml.sax.Attributes atts)
void	startPrefixMapping(java.lang.String prefix, java.lang.String uri)

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

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

Methods inherited from class java.lang.Object

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

Field Detail

namespacesToElements

private java.util.Map<java.lang.String,java.util.Set<javax.xml.namespace.QName>> namespacesToElements

namespacesToAttributes

private java.util.Map<java.lang.String,java.util.Set<javax.xml.namespace.QName>> namespacesToAttributes

namespaceURIToPrefix

private java.util.Map<java.lang.String,java.lang.String> namespaceURIToPrefix

prefixes

private FrequencySet<java.lang.String> prefixes

namespaces

private FrequencySet<java.lang.String> namespaces

localNames

private FrequencySet<java.lang.String> localNames

elements

private FrequencySet<javax.xml.namespace.QName> elements

attributes

private FrequencySet<javax.xml.namespace.QName> attributes

attributeValues

private FrequencySet<java.lang.String> attributeValues

textContentValues

private FrequencySet<java.lang.String> textContentValues

prefixBuilder

private java.lang.StringBuilder prefixBuilder

prefixCharacter

private char prefixCharacter

Constructor Detail

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 Detail

addXsiAttributes

public void addXsiAttributes()

addQNameToElements

public void addQNameToElements(javax.xml.namespace.QName q)

addQNameToAttributes

public void addQNameToAttributes(javax.xml.namespace.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 java.util.Map<java.lang.String,java.lang.String> getNamespaceURIToPrefixMap()

addAll

private void addAll(java.util.Set to,
                    java.util.Set<?> from)

bucketQNamesToNamespace

private void bucketQNamesToNamespace(java.util.Set<javax.xml.namespace.QName> s,
                                     java.util.Map<java.lang.String,java.util.Set<javax.xml.namespace.QName>> m)

startPrefixMapping

public void startPrefixMapping(java.lang.String prefix,
                               java.lang.String uri)
                        throws org.xml.sax.SAXException

Specified by:

startPrefixMapping in interface org.xml.sax.ContentHandler

Overrides:

startPrefixMapping in class org.xml.sax.helpers.DefaultHandler

Throws:

org.xml.sax.SAXException

startElement

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

Specified by:

startElement in interface org.xml.sax.ContentHandler

Overrides:

startElement in class org.xml.sax.helpers.DefaultHandler

Throws:

org.xml.sax.SAXException

addQName

private void addQName(javax.xml.namespace.QName q,
                      java.util.Map<java.lang.String,java.util.Set<javax.xml.namespace.QName>> m,
                      FrequencySet<javax.xml.namespace.QName> fhm)

createQName

private javax.xml.namespace.QName createQName(java.lang.String uri,
                                              java.lang.String localName,
                                              java.lang.String qName)

generateQNamesWithPrefix

private void generateQNamesWithPrefix(java.util.Map<java.lang.String,java.util.Set<javax.xml.namespace.QName>> m,
                                      FrequencySet<javax.xml.namespace.QName> fhm,
                                      java.util.Map<java.lang.String,java.lang.String> namespaceURIToPrefix)

getNewPrefix

private java.lang.String getNewPrefix()