org.processmining.prediction

Class PrefuseTreeVisualization.DottyToTree

java.lang.Object

org.processmining.prediction.PrefuseTreeVisualization.DottyToTree

Enclosing class:

PrefuseTreeVisualization

public static class PrefuseTreeVisualization.DottyToTree
extends java.lang.Object

Turns the GraphViz dotty format into Prefuse's tree XML format (according to the tree.dtd).

Version:

$Revision$

Author:

fracpete (fracpete at waikato dot ac dot nz)

Constructor Summary

Constructors

Constructor and Description
DottyToTree()

Method Summary

Modifier and Type	Method and Description
java.lang.String	convert(java.lang.String dotty) Parses the incoming data and writes the generated output.
protected java.lang.String	sanitize(java.lang.String s) Replaces certain characters with their character entities.
protected void	writeEdge(java.io.BufferedWriter writer, weka.gui.treevisualizer.Edge edge) Writes the edge as GraphML.
protected void	writeFooter(java.io.BufferedWriter writer) Writes the footer of the GraphML file.
protected void	writeHeader(java.io.BufferedWriter writer) Writes the header of the GraphML file.
protected void	writeNode(java.io.BufferedWriter writer, weka.gui.treevisualizer.Node node) Writes the node as GraphML.

Methods inherited from class java.lang.Object

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

Constructor Detail

DottyToTree

public DottyToTree()

Method Detail

sanitize

protected java.lang.String sanitize(java.lang.String s)

Replaces certain characters with their character entities.

Parameters:

s - the string to process

Returns:

the processed string

writeHeader

protected void writeHeader(java.io.BufferedWriter writer)
                    throws java.lang.Exception

Writes the header of the GraphML file.

Parameters:

writer - the writer to use

Throws:

java.lang.Exception - if an error occurs

writeNode

protected void writeNode(java.io.BufferedWriter writer,
                         weka.gui.treevisualizer.Node node)
                  throws java.lang.Exception

Writes the node as GraphML.

Parameters:

writer - the writer to use

node - the node to write as GraphML

Throws:

java.lang.Exception - if an error occurs

writeEdge

protected void writeEdge(java.io.BufferedWriter writer,
                         weka.gui.treevisualizer.Edge edge)
                  throws java.lang.Exception

Writes the edge as GraphML. Since prefuse doesn't seem to offer edge labels, the edges get inserted as nodes as well.

Parameters:

writer - the writer to use

edge - the edge to write

Throws:

java.lang.Exception - if an error occurs

writeFooter

protected void writeFooter(java.io.BufferedWriter writer)
                    throws java.lang.Exception

Writes the footer of the GraphML file.

Parameters:

writer - the writer to use

Throws:

java.lang.Exception - if an error occurs

convert

public java.lang.String convert(java.lang.String dotty)
                         throws java.lang.Exception

Parses the incoming data and writes the generated output.

Parameters:

dotty - the graph in dotty format

Returns:

the TreeML data

Throws:

java.lang.Exception - if parsing or writing fails