User Preferenceの取得

User Preferenceを取得するサンプルコード。
User Preferenceはセキュリティ保護の対象であり、実行には

import java.awt.Color;
import java.awt.Font;
import java.awt.Graphics;
import javax.tv.xlet.Xlet;
import javax.tv.xlet.XletContext;
import org.dvb.ui.FontFactory;
import org.dvb.user.GeneralPreference;
import org.dvb.user.UserPreferenceManager;
import org.havi.ui.HScene;
import org.havi.ui.HSceneFactory;
import org.havi.ui.HScreen;
 
public class Main implements Xlet {
    public void initXlet(XletContext context){
        try {
            HScene hs= HSceneFactory.getInstance().getFullScreenScene(
                    HScreen.getDefaultHScreen().getDefaultHGraphicsDevice());
            hs.setFont(f);
            hs.setVisible(true);
            // Preference Managerを取得
            UserPreferenceManager mgr = UserPreferenceManager.getInstance();
            Graphics g = hs.getGraphics();
            g.setColor(Color.white);
 
            String[] keys = {"User Name", "User Language", "Parental Rating", "Country Code", 
                             "Default Font Size","User @"};
            for( int i = 0; i < keys.length; i++ ){
                // Preference取得用の箱を用意
                GeneralPreference gp = new GeneralPreference(keys[i]);
                // Preferenceを取得
                mgr.read(gp);
                // Preferenceの読み出し
                String s = gp.getMostFavourite();
                if( null == s ) s = "NULL";
                g.drawString(keys[i]+"="+s, 100, 100+100*i);           
            }
        } catch (Throwable thr){
        }
    }
    public void startXlet(){	}
    public void pauseXlet(){	}
    public void destroyXlet(boolean unconditional){}
 

}