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package net.wigis.graph.data.utilities;
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import net.wigis.graph.dnv.DNVEdge;
import net.wigis.graph.dnv.DNVEntity;
import net.wigis.graph.dnv.DNVGraph;
import net.wigis.graph.dnv.DNVNode;
import net.wigis.graph.dnv.layout.implementations.FruchtermanReingold;
import net.wigis.settings.Settings;
// TODO: Auto-generated Javadoc
/**
* The Class ConvertTabDelimitedToDNV.
*
* @author johno
*/
public class ConvertTabDelimitedToDNV
{
/**
* Convert.
*
* @param filename
* the filename
* @return the dNV graph
* @throws IOException
* Signals that an I/O exception has occurred.
*/
public static DNVGraph convert( String filename ) throws IOException
{
FileReader fr = new FileReader( filename );
BufferedReader br = new BufferedReader( fr );
String line;
String from;
String to;
DNVGraph graph = new DNVGraph();
DNVNode fromNode;
DNVNode toNode;
DNVEdge edge;
while( ( line = br.readLine() ) != null )
{
from = line.substring( 0, line.indexOf( "\t" ) ).trim();
to = line.substring( line.indexOf( "\t" ) + 2 ).trim();
fromNode = (DNVNode)getNode( from, graph );
toNode = (DNVNode)getNode( to, graph );
edge = new DNVEdge( graph );
edge.setFrom( fromNode );
edge.setTo( toNode );
edge.setDirectional( true );
graph.addNode( 0, edge );
}
new FruchtermanReingold().runLayout( 100, 100, graph, 0.1f, 0, false, false );
return graph;
}
/**
* Gets the node.
*
* @param bbid
* the bbid
* @param graph
* the graph
* @return the node
*/
private static DNVEntity getNode( String bbid, DNVGraph graph )
{
DNVEntity node = graph.getNodeByBbId( bbid );
if( node == null )
{
node = new DNVNode( graph );
node.setLabel( bbid );
node.setBbId( bbid );
node.setColor( "#33FF33" );
( (DNVNode)node ).setPosition( (float)( Math.random() * 100.0 ), (float)( Math.random() * 100.0 ) );
graph.addNode( 0, node );
}
return node;
}
/**
* The main method.
*
* @param args
* the arguments
* @throws IOException
* Signals that an I/O exception has occurred.
*/
public static void main( String args[] ) throws IOException
{
DNVGraph graph = convert( Settings.GRAPHS_PATH + "dep.csv" );
graph.writeGraph( Settings.GRAPHS_PATH + "dep.dnv" );
}
}