private static String createBinding()

in core/src/main/java/org/apache/myfaces/extensions/validator/core/el/FaceletsTaglibExpressionHelper.java [79:138]
46 lines of code
11 McCabe index (conditional complexity)

    private static String createBinding(List<String> expressions, Map<String, String> virtualVars)
    {
        String currentBinding;

        int indexOfBindingDetails;
        String[] foundBindingDetails;
        String[] bindingDetails;

        Map<String, String> addedVirtualNames = new HashMap<String, String>();

        for (String entry : expressions)
        {
            if (entry.startsWith("ValueExpression["))
            {
                continue;
            }

            foundBindingDetails = entry.split(" ");
            indexOfBindingDetails = findIndexOfBindingDetails(foundBindingDetails);

            if (indexOfBindingDetails == -1)
            {
                return null;
            }

            bindingDetails = foundBindingDetails[indexOfBindingDetails].split("=");

            if (bindingDetails.length < 2)
            {
                return null;
            }

            currentBinding = bindingDetails[1];

            //to support blanks within a binding with map syntax
            if(currentBinding.contains("{") && !currentBinding.contains("}"))
            {
                currentBinding = addFurtherBindingParts(currentBinding, foundBindingDetails, indexOfBindingDetails);
            }

            if (currentBinding.contains("}"))
            {
                //entry for "virtual" facelets beans
                if(!addedVirtualNames.containsKey(bindingDetails[0]))
                {
                    addedVirtualNames.put(bindingDetails[0], currentBinding);
                }
            }
            //entry for "virtual" facelets var
            if(!(currentBinding.contains("{") || currentBinding.contains("}")))
            {
                virtualVars.put(bindingDetails[0], bindingDetails[1].substring(1, bindingDetails[1].length()-2));
            }
        }

        String originalBinding = addedVirtualNames.get("value");
        originalBinding = originalBinding.substring(originalBinding.indexOf("{") + 1, originalBinding.indexOf("}"));
        addedVirtualNames.remove("value");
        return tryToTransformToRealBinding(originalBinding, addedVirtualNames, virtualVars);
    }