salvo.jesus.graph.xml

Class XMLToGraphHandler

java.lang.Object

org.xml.sax.helpers.DefaultHandler

salvo.jesus.graph.xml.XMLToGraphHandler

All Implemented Interfaces:

ContentHandler, DTDHandler, EntityResolver, ErrorHandler

Direct Known Subclasses:

XGMMLContentHandler

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

Author:

Jesus M. Salvo Jr.

Constructor Summary

Constructors

Constructor and Description
XMLToGraphHandler()

Method Summary

Modifier and Type	Method and Description
void	endElement(String uri, String localName, String qualifiedName) Pops the last item of the internal stack
abstract String	getEdgeElementName()
Graph	getGraph()
abstract String	getVertexElementName()
VisualGraph	getVisualGraph()
abstract void	instantiateEdge()
abstract void	instantiateGraph()
abstract void	instantiateVertex()
void	mapIDToVertex(String idValue, Vertex aVertex)
void	startDocument()
void	startElement(String uri, String localName, String qualifiedName, Attributes attribs)

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

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

Methods inherited from class java.lang.Object

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

Constructor Detail

XMLToGraphHandler

public XMLToGraphHandler()

Method Detail

startDocument

public void startDocument()

Specified by:

startDocument in interface ContentHandler

Overrides:

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

startElement

public void startElement(String uri,
                         String localName,
                         String qualifiedName,
                         Attributes attribs)

Specified by:

startElement in interface ContentHandler

Overrides:

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

endElement

public void endElement(String uri,
                       String localName,
                       String qualifiedName)

Pops the last item of the internal stack

Specified by:

endElement in interface ContentHandler

Overrides:

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

getGraph

public Graph getGraph()

getVisualGraph

public VisualGraph getVisualGraph()

instantiateVertex

public abstract void instantiateVertex()
                                throws Exception

Throws:

Exception

instantiateEdge

public abstract void instantiateEdge()
                              throws Exception

Throws:

Exception

instantiateGraph

public abstract void instantiateGraph()
                               throws Exception

Throws:

Exception

mapIDToVertex

public void mapIDToVertex(String idValue,
                          Vertex aVertex)

getVertexElementName

public abstract String getVertexElementName()

getEdgeElementName

public abstract String getEdgeElementName()