Database Method

    public final boolean isExemptPlayer(String player) {
        String SQL = "select exempted from ipcheck_user where username = ?";

        QueryFilter filter = new QueryFilter() {
            @Override
            public Object onExecute(ResultSet res) {
                boolean isExempt = false;

                try {
                    while (res.next()) {
                        int exempt = Integer.parseInt(res.getString(1));
                        if (exempt == 1) {
                            isExempt = true;
                        } else {
                            isExempt = false;
                        }
                    }
                } catch (SQLException e) {
                    e.printStackTrace();
                }

                return isExempt;
            }
        };

        return (Boolean) this.executeQuery(new StatementObject(this.getPlugin(),
                SQL, new Object[]{player.toLowerCase()}), filter);
    }