Validate() public method

Validates the content filter element.
public Validate ( FilterContext context, int index ) : ContentFilter.ElementResult
context FilterContext The context.
index int The index.
return ContentFilter.ElementResult
ContentFilterElement Class Documentation
Example #1
0
        /// <summary>
        /// Validates the ContentFilter.
        /// </summary>
        /// <param name="context">The context.</param>
        /// <returns>The result of validation.</returns>
        public Result Validate(FilterContext context)
        {
            Result result = new Result(null);

            // check for empty filter.
            if (m_elements == null || m_elements.Count == 0)
            {
                return(result);
            }

            bool error = false;

            for (int ii = 0; ii < m_elements.Count; ii++)
            {
                ContentFilterElement element = m_elements[ii];

                // check for null.
                if (element == null)
                {
                    ServiceResult nullResult = ServiceResult.Create(
                        StatusCodes.BadStructureMissing,
                        "ContentFilterElement is null (Index={0}).",
                        ii);

                    result.ElementResults.Add(new ElementResult(nullResult));
                    error = true;
                    continue;
                }

                element.Parent = this;

                // validate element.
                ElementResult elementResult = element.Validate(context, ii);

                if (ServiceResult.IsBad(elementResult.Status))
                {
                    result.ElementResults.Add(elementResult);
                    error = true;
                    continue;
                }

                result.ElementResults.Add(null);
            }

            // ensure the global error code.
            if (error)
            {
                result.Status = StatusCodes.BadContentFilterInvalid;
            }
            else
            {
                result.ElementResults.Clear();
            }

            return(result);
        }