import org.freedesktop.dbus.exceptions.DBusExecutionException; //导入依赖的package包/类
public void refresh ()
{
    try
    {
        m_info_helper.merge ( m_prop.GetAll ( MediaPlayer2.class.getCanonicalName () ) );
        m_info_helper.merge ( m_prop.GetAll ( MediaPlayer2.Player.class.getCanonicalName () ) );
        m_info_helper.merge ( m_prop.GetAll ( MediaPlayer2.Playlists.class.getCanonicalName () ) );
    }
    catch (DBusExecutionException dee)
    {
        dee.printStackTrace ();
    }
    finally
    {
        m_info_helper.refresh ();
    }
}
 

import org.freedesktop.dbus.exceptions.DBusExecutionException; //导入依赖的package包/类
private static void handleDBusExecutionException(DBusExecutionException e) {
    System.err.println("Cannot connect to dbus: " + e.getMessage());
    System.err.println("Aborting.");
}
 

import org.freedesktop.dbus.exceptions.DBusExecutionException; //导入依赖的package包/类
/**
 * Get the bluetooth device name.<br>
 * This may fail if you not connected to the device, or if the device does not support this operation.<br>
 * If no name could be retrieved, the alias will be used.<br><br>
 *
 * <b>From bluez Documentation:</b>
 * <p>
 * The Bluetooth remote name. This value can not be<br>
 * changed. Use the Alias property instead.<br>
 * This value is only present for completeness. It is<br>
 * better to always use the Alias property when<br>
 * displaying the devices name.<br>
 * If the Alias property is unset, it will reflect<br>
 * this value which makes it more convenient.
 * </p>
 * @return name, maybe null
 */
public String getName() {
    String name = null;
    try {
        name = getTyped("Name", String.class);
    } catch (DBusExecutionException _ex) {
    }
    if (name == null) {
        name = getAlias();
    }

    return name;
}