@Override
	protected Permissions execLoadPermissions(String login) {
		Permissions permissions = new Permissions();
		permissions.add(new RemoteServiceAccessPermission("*.shared.*", "*"));

		if (login.equals("admin")) {
			LOG.warn("grant all permissions for user Admin");
			permissions.add(new AllPermission());
		} else {
			try {

				SQL.getConnection().createStatement().executeQuery(SQLs.DEFINE_DEFAULT_DATABASE);

				// get simple class names from the databse
				IntegerHolder user_id = new IntegerHolder();
				SQL.selectInto(SQLs.SELECT_USER_ID, new NVPair("login", login), new NVPair("result", user_id));

				// Getting Roles for Specific User
				IntegerArrayHolder setOfRoles = new IntegerArrayHolder();
				SQL.select(SQLs.SELECT_DISCTINCT_ROLES_IDS, new NVPair("user_id", user_id),
						new NVPair("result", setOfRoles));

				for (int i = 0; i < setOfRoles.getValue().length; i++) {
					int role_id = setOfRoles.getValue()[i];
					StringArrayHolder perm = new StringArrayHolder();
					SQL.select(SQLs.SELECT_AL_ASSINED_PERMISSIONS, new NVPair("role_id", role_id),
							new NVPair("result", perm));
					for (int j = 0; j < perm.getValue().length; j++) {
						try {
							permissions.add((Permission) Class.forName(perm.getValue()[j]).newInstance());
						} catch (Exception e) {
							LOG.error("cannot find permission " + perm.getValue()[j] + ": " + e.getMessage());
						}
					}

				}
			} catch (ProcessingException e) {
				LOG.error("cannot read permissions: " + e.getStackTrace());
			} catch (SQLException e1) {
				LOG.error("SQL execution exception : " + e1.getStackTrace());

			}
		}
		return permissions;
	}