private static int resolveELTerms()

in core/src/main/java/org/apache/myfaces/extensions/validator/core/el/FaceletsTaglibExpressionHelper.java [240:335]
83 lines of code
22 McCabe index (conditional complexity)

    private static int resolveELTerms(Object o, Map<Object, Object> visited,
                                      List<String> foundELTerms, int count) throws Exception
    {
        if (o == null || visited.containsKey(o) || count > 50)
        {
            return 0;
        }

        visited.put(o, null);

        int elCount = 0;
        Class c = o.getClass();

        //inspect maps
        if (o instanceof Map)
        {

            for (Object entry : ((Map) o).values())
            {
                //found entry for "virtual" facelets var
                if(entry.toString().contains("ValueExpression["))
                {
                    foundELTerms.add(entry.toString());
                }
                elCount += resolveELTerms(entry, visited, foundELTerms, count + 1);
            }
            return elCount;
        }

        if (ExtValUtils.getELHelper().isELTermWellFormed(o))
        {
            if (foundELTerms != null)
            {
                foundELTerms.add(o.toString());
            }
            return ++elCount;
        }

        //analyze arrays
        if (c.isArray())
        {
            int length = Array.getLength(o);
            //check array [L -> no array of primitive types
            if (o.toString().startsWith("[L"))
            {
                for (int i = 0; i < length; i++)
                {
                    if (o.toString().startsWith("[Ljava.lang.String"))
                    {
                        if (ExtValUtils.getELHelper().isELTermWellFormed(Array.get(o, i)))
                        {
                            if (foundELTerms != null)
                            {
                                foundELTerms.add(o.toString());
                            }
                            elCount++;
                        }
                    }
                    else
                    {
                        elCount += resolveELTerms(Array.get(o, i), visited, foundELTerms, count + 1);
                    }
                }
            }
            return elCount;
        }

        List<Field> attributes = findAllAttributes(c, new ArrayList<Field>());
        Field[] fields = attributes.toArray(new Field[attributes.size()]);

        AccessibleObject.setAccessible(fields, true);
        for (Field currentField : fields)
        {
            if (currentField.get(o) == null)
            {
                continue;
            }

            if (currentField.getType().equals(String.class))
            {
                if (currentField.get(o) != null && ExtValUtils.getELHelper().isELTermWellFormed(currentField.get(o)))
                {
                    if (foundELTerms != null)
                    {
                        foundELTerms.add(o.toString());
                    }
                    elCount++;
                }
            }
            else if (!currentField.getType().isPrimitive())
            {
                elCount += resolveELTerms(currentField.get(o), visited, foundELTerms, count + 1);
            }
        }
        return elCount;
    }