public AdminPreference getAdminPreference(String certificatefingerprint) throws RemoteException {
public AdminPreference getAdminPreference(String certificatefingerprint) {
    public AdminPreference getAdminPreference(String certificatefingerprint) throws RemoteException {     AdminPreference returnvalue=null;      try{         returnvalue = raadminsession.getAdminPreference(administrator, certificatefingerprint);      }catch(Exception e) {         returnvalue=null;      }      return returnvalue;    }