DynamicGexfGraph.java

package utils;

import it.uniroma1.dis.wsngroup.gexf4j.core.EdgeType;
import it.uniroma1.dis.wsngroup.gexf4j.core.Gexf;
import it.uniroma1.dis.wsngroup.gexf4j.core.Graph;
import it.uniroma1.dis.wsngroup.gexf4j.core.Mode;
import it.uniroma1.dis.wsngroup.gexf4j.core.data.Attribute;
import it.uniroma1.dis.wsngroup.gexf4j.core.data.AttributeClass;
import it.uniroma1.dis.wsngroup.gexf4j.core.data.AttributeList;
import it.uniroma1.dis.wsngroup.gexf4j.core.data.AttributeType;
import it.uniroma1.dis.wsngroup.gexf4j.core.dynamic.TimeFormat;
import it.uniroma1.dis.wsngroup.gexf4j.core.impl.GexfImpl;
import it.uniroma1.dis.wsngroup.gexf4j.core.impl.StaxGraphWriter;
import it.uniroma1.dis.wsngroup.gexf4j.core.impl.data.AttributeListImpl;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.Writer;
import java.util.Calendar;

public class DynamicGexfGraph {
	
	private Gexf gexf;
	private Graph graph;
	
	public DynamicGexfGraph(){
		gexf = new GexfImpl();
	}
	
	public void write(){
		StaxGraphWriter graphWriter = new StaxGraphWriter();
		File f = new File("dynamic_graph_contributions.gexf");
		Writer out;
		try {
			out =  new FileWriter(f, false);
			graphWriter.writeToStream(gexf, out, "UTF-8");
			System.out.println(f.getAbsolutePath());
		} catch (IOException e) {
			e.printStackTrace();
		}
	}
	
	public void init(){
		Calendar date = Calendar.getInstance();
		
		gexf.getMetadata()
			.setLastModified(date.getTime())
			.setCreator("T-CEM")
			.setDescription("Agent and task network");

		graph = gexf.getGraph();
		graph.
			setDefaultEdgeType(EdgeType.UNDIRECTED)
			.setMode(Mode.DYNAMIC)
			.setTimeType(TimeFormat.XSDDATETIME);
		
		AttributeList attrList = new AttributeListImpl(AttributeClass.NODE);
		graph.getAttributeLists().add(attrList);
		
		Attribute attUrl = attrList.createAttribute("0", AttributeType.STRING, "url");
		Attribute attIndegree = attrList.createAttribute("1", AttributeType.FLOAT, "indegree");
		Attribute attFrog = attrList.createAttribute("2", AttributeType.BOOLEAN, "frog")
			.setDefaultValue("true");
	}

}