public Object evaluate(String expr, Class<?> type) throws ExpressionEvaluationException {

        Object value = null;

        if (expr == null) {
            return null;
        }

        String expression = stripTokens(expr);

        if (expression.equals(expr)) {
            int index = expr.indexOf("${");
            if (index >= 0) {
                int lastIndex = expr.indexOf("}", index);
                if (lastIndex >= 0) {
                    String retVal = expr.substring(0, index);

                    if (index > 0 && expr.charAt(index - 1) == '$') {
                        retVal += expr.substring(index + 1, lastIndex + 1);
                    } else {
                        retVal += evaluate(expr.substring(index, lastIndex + 1));
                    }

                    retVal += evaluate(expr.substring(lastIndex + 1));
                    return retVal;
                }
            }

public static Map<String, Object> getVariablesAndValuesFromObject(Class<?> clazz, Object object)
            throws IllegalAccessException {
        Map<String, Object> map = new HashMap<>();
        Field[] fields = clazz.getDeclaredFields();
        AccessibleObject.setAccessible(fields, true);
        for (Field field : fields) {
            map.put(field.getName(), field.get(object));
        }
        Class<?> superclass = clazz.getSuperclass();
        if (!Object.class.equals(superclass)) {
            map.putAll(getVariablesAndValuesFromObject(superclass, object));
        }
        return map;
    }