BUDAへのファイルの追加

import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import java.io.File;
import javax.tv.xlet.Xlet;
import javax.tv.xlet.XletContext;
import org.bluray.ti.DiscManager;
import org.havi.ui.HScene;
import org.havi.ui.HSceneFactory;
import org.havi.ui.HScreen;
 
public class Main implements Xlet{
    int x = 100, y = 100;
    public void initXlet(XletContext context){
        Graphics g = null;
        try {
            Font font = new Font(null, java.awt.Font.BOLD, 48);
            HScene hs= HSceneFactory.getInstance().getFullScreenScene(
                    HScreen.getDefaultHScreen().getDefaultHGraphicsDevice());
            hs.setFont(font);
            hs.setVisible(true);
            g = hs.getGraphics();
            g.setColor(Color.white);
            /* BUDA */
            String buda_root = System.getProperty("bluray.bindingunit.root");
            String orgID = (String) context.getXletProperty("dvb.org.id");
            String discID = DiscManager.getDiscManager().getCurrentDisc().getId();
            // BUDA内にファイル作成
            File file = new File(buda_root+File.separator+orgID+File.separator+discID+File.separator+"BUDA.test");
            file.createNewFile();
            File file2 = new File(buda_root+File.separator+orgID+File.separator+"BUDA.test2");
            file2.createNewFile();
 
            // <disc_id>ディレクトリの下のファイルを表示
            File dir = new File(buda_root+File.separator+orgID+File.separator+discID);
            String[] flist = dir.list();
            String s = "Files under /"+orgID+"/"+discID+"/: ";
            for( int i = 0; i < flist.length; i++ ){
                s += (flist[i]+" ");
            }
            g.drawString(s, x, y); y+=50;
 
            // <organization_id>ディレクトリの下のファイルを表示
            dir = new File(buda_root+File.separator+orgID);
            flist = dir.list();
            s = "Files under /"+orgID+"/: ";
            for( int i = 0; i < flist.length; i++ ){
                s += (flist[i]+" ");
            }
            g.drawString(s, x, y); y+=50;
        } catch (Throwable thr){
        }
 
    }
    public void startXlet(){    }
    public void pauseXlet(){    }
    public void destroyXlet(boolean unconditional){}