Package gov.nih.mipav.view.graphVisualization

Class MipavGraphXMLContentHandler

java.lang.Object

org.xml.sax.helpers.DefaultHandler

gov.nih.mipav.view.graphVisualization.MipavGraphXMLContentHandler

All Implemented Interfaces:

ContentHandler, DTDHandler, EntityResolver, ErrorHandler

public class MipavGraphXMLContentHandler
extends DefaultHandler

Parses the MIPAX Graph XML file.

Field Summary

Fields

Modifier and Type	Field	Description
protected hypergraph.graphApi.Element	currentElement
protected StringBuffer	currentText
protected hypergraph.graphApi.Graph	graph
private MipavSAXReader	reader

Constructor Summary

Constructors

Constructor	Description
MipavGraphXMLContentHandler()	Creates the content handler.

Method Summary

Modifier and Type	Method	Description
void	characters(char[] ch, int start, int length)
void	endDocument()
void	endElement(String namespaceURI, String localName, String qName)
protected void	endElementEdge()	End Edge element.
protected void	endElementGraph()	Ends the Graph.
protected void	endElementLabel()	Called when the end of the Label element is found.
protected void	endElementNode()	Called when the end of the Node Element is found.
MipavSAXReader	getReader()	Returns the MipavSAXReader.
void	setReader(MipavSAXReader reader)	Sets the MipavSAXReader.
void	startElement(String namespaceURI, String localName, String qName, Attributes atts)
protected void	startElementEdge(Attributes atts)	Called when the Edge start element is found.
protected void	startElementGraph(Attributes atts)	Called when the Graph start element is found.
protected void	startElementLabel(Attributes atts)	Called when the start of the Label element is found.
protected void	startElementNode(Attributes atts)	Called when the start of a Node Element is found.

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

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

Methods inherited from interface org.xml.sax.ContentHandler

declaration

Field Details

reader

private MipavSAXReader reader

graph

protected hypergraph.graphApi.Graph graph

currentElement

protected hypergraph.graphApi.Element currentElement

currentText

protected StringBuffer currentText

Constructor Details

MipavGraphXMLContentHandler

public MipavGraphXMLContentHandler()

Creates the content handler.

Method Details

characters

public void characters(char[] ch,
 int start,
 int length)
                throws SAXException

Specified by:

characters in interface ContentHandler

Overrides:

characters in class DefaultHandler

Throws:

SAXException

endDocument

public void endDocument()
                 throws SAXException

Specified by:

endDocument in interface ContentHandler

Overrides:

endDocument in class DefaultHandler

Throws:

SAXException

endElement

public void endElement(String namespaceURI,
 String localName,
 String qName)
                throws SAXException

Specified by:

endElement in interface ContentHandler

Overrides:

endElement in class DefaultHandler

Throws:

SAXException

getReader

public MipavSAXReader getReader()

Returns the MipavSAXReader.

Returns:

setReader

public void setReader(MipavSAXReader reader)

Sets the MipavSAXReader.

Parameters:

reader -

startElement

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

Specified by:

startElement in interface ContentHandler

Overrides:

startElement in class DefaultHandler

Throws:

SAXException

endElementEdge

protected void endElementEdge()

End Edge element.

endElementGraph

protected void endElementGraph()

Ends the Graph.

endElementLabel

protected void endElementLabel()

Called when the end of the Label element is found.

endElementNode

protected void endElementNode()

Called when the end of the Node Element is found.

startElementEdge

protected void startElementEdge(Attributes atts)

Called when the Edge start element is found.

Parameters:

atts -

startElementGraph

protected void startElementGraph(Attributes atts)

Called when the Graph start element is found.

Parameters:

atts -

startElementLabel

protected void startElementLabel(Attributes atts)

Called when the start of the Label element is found.

Parameters:

atts -

startElementNode

protected void startElementNode(Attributes atts)

Called when the start of a Node Element is found.

Parameters:

atts -