net.ontopia.topicmaps.xml
Class AbstractTopicMapContentHandler

java.lang.Object
  org.xml.sax.helpers.DefaultHandler
      net.ontopia.topicmaps.xml.AbstractTopicMapContentHandler

All Implemented Interfaces:

ContentHandler, DTDHandler, EntityResolver, ErrorHandler

Direct Known Subclasses:

XFMLContentHandler, XTMContentHandler

public abstract class AbstractTopicMapContentHandler
extends org.xml.sax.helpers.DefaultHandler

INTERNAL: Abstract SAX2 content handler used for reading various kinds of topic map documents.

Field Summary

protected LocatorIF	doc_address document base uri, used for intra-document references.
protected ErrorHandler	ehandler
protected Map	info
protected Locator	locator
protected Stack	parents
protected Collection	processed_documents_accumulated
protected Collection	processed_documents_current
protected Collection	processed_documents_from_parent
protected Collection	propagated_themes

Constructor Summary

AbstractTopicMapContentHandler(LocatorIF base_address)

AbstractTopicMapContentHandler(LocatorIF base_address, Collection processed_documents_from_parent)

Method Summary

protected ErrorHandler	getDefaultErrorHandler()
protected String	getLocationInfo()
Collection	getPropagatedThemes()
protected void	propagateThemes(ScopedIF scoped)
void	register(XMLReader parser) INTERNAL: Registers the content handler with the given XML reader object.
void	setDocumentLocator(Locator locator)
void	setPropagatedThemes(Collection propagated_themes)

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

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

Methods inherited from class java.lang.Object

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

Field Detail

propagated_themes

protected Collection propagated_themes

processed_documents_current

protected Collection processed_documents_current

processed_documents_from_parent

protected Collection processed_documents_from_parent

processed_documents_accumulated

protected Collection processed_documents_accumulated

parents

protected Stack parents

info

protected Map info

doc_address

protected LocatorIF doc_address

document base uri, used for intra-document references. see RFC 2396, section 4.2

locator

protected Locator locator

ehandler

protected ErrorHandler ehandler

Constructor Detail

AbstractTopicMapContentHandler

public AbstractTopicMapContentHandler(LocatorIF base_address)

AbstractTopicMapContentHandler

public AbstractTopicMapContentHandler(LocatorIF base_address,
                                      Collection processed_documents_from_parent)

Method Detail

getPropagatedThemes

public Collection getPropagatedThemes()

setPropagatedThemes

public void setPropagatedThemes(Collection propagated_themes)

propagateThemes

protected void propagateThemes(ScopedIF scoped)

setDocumentLocator

public void setDocumentLocator(Locator locator)

Specified by:

setDocumentLocator in interface ContentHandler

Overrides:

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

register

public void register(XMLReader parser)

INTERNAL: Registers the content handler with the given XML reader object.

The content handler will register itself as the content handler of the XML reader. It will also attempt to set the SAX core features 'http://xml.org/sax/features/string-interning' to 'true' and 'http://xml.org/sax/features/external-parameter-entities' to 'false'.

getLocationInfo

protected String getLocationInfo()

getDefaultErrorHandler

protected ErrorHandler getDefaultErrorHandler()