別のTitleへの切り替え

import java.awt.Container;
 
import javax.tv.service.SIManager;
import javax.tv.service.selection.ServiceContextFactory;
import javax.tv.xlet.Xlet;
import javax.tv.xlet.XletContext;
import org.bluray.net.BDLocator;
import org.bluray.ti.Title;
import org.bluray.ti.selection.TitleContext;
 
public class Main extends Container implements Xlet{
    String fs = System.getProperty("file.separator");
    public void initXlet(XletContext context){
        try {
            // Title Contextの取得
              ServiceContextFactory scf = ServiceContextFactory.getInstance();
            TitleContext tc = (TitleContext)scf.getServiceContext(context);
            // Menu(Title number=0)のlocator生成
              BDLocator loc = new BDLocator("bd://0"); 
            // 次の行は、Programming HD DVD and Blu-ray Discでは誤ってgetInstance()となっている。
            SIManager sim = SIManager.createInstance(); 
              // Titleの取得
              Title t = (Title)sim.getService(loc);
            tc.select(t);
        }catch (Exception e){
        }
    }
    public void startXlet(){	}
    public void pauseXlet(){	}
    public void destroyXlet(boolean unconditional){	}