/*
 * Class to write the .dot file
 */

package testapp;

import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.util.concurrent.ExecutionException;
import javax.swing.SwingWorker;
import testapp.data.Item;
import java.util.logging.*;
/**
 *
 * @author sven
 */
public class DOTGenerator extends SwingWorker<File,Object>{
    private Item startItem;
    
    private static final Logger logger = Logger.getLogger(DOTGenerator.class.getName());

    public DOTGenerator(Item startItem) {
        this.startItem = startItem;
    }
    
    @Override
    protected File doInBackground() throws Exception {
         File tmpDotFile = null;
        try {
            tmpDotFile = File.createTempFile("tmp", ".gv");
            FileWriter fw = new FileWriter(tmpDotFile);
            logger.log(Level.INFO, "Path: "+tmpDotFile.getAbsolutePath());
            fw.write(startItem.toDOT());
            fw.close();
        } catch (IOException ioe) {
            ioe.printStackTrace();
        }
        return tmpDotFile;
    }

    @Override
    protected void done() {
        try {
            GraphGenerator gen = new GraphGenerator(get());
            gen.execute();
        } catch (InterruptedException ie) {
            ie.printStackTrace();
        } catch (ExecutionException ee) {
            ee.printStackTrace();
        }
    }
    
}