public void Load(Metadata metadata, string source, bool isFile)
        {
            if (metadata == null)
            {
                throw new ArgumentNullException("metadata");
            }

            if (string.IsNullOrEmpty(source))
            {
                throw new ArgumentNullException("source");
            }

            this.metadata = metadata;
            metadata.BeforeKVAImport();

            string extension = Path.GetExtension(source).ToLower();

            if (extension == ".kva" || extension == ".xml")
            {
                ImportKVA(source, isFile);
            }
            else if (extension == ".srt")
            {
                MetadataImporterSRT.Import(metadata, source, isFile);
            }
            else if (source.EndsWith("_keypoints.json"))
            {
                MetadataImporterOpenPose.Import(metadata, source, isFile);
            }

            metadata.AfterKVAImport();
        }
        public void Load(Metadata metadata, string source, bool isFile)
        {
            if (metadata == null)
            {
                throw new ArgumentNullException("metadata");
            }

            if (string.IsNullOrEmpty(source))
            {
                throw new ArgumentNullException("source");
            }

            this.metadata = metadata;
            metadata.BeforeKVAImport();

            string kva = MetadataConverter.Convert(source, isFile);

            XmlReaderSettings settings = new XmlReaderSettings();

            settings.IgnoreComments = true;
            settings.IgnoreProcessingInstructions = true;
            settings.IgnoreWhitespace             = true;
            settings.CloseInput = true;

            XmlReader reader = null;

            try
            {
                reader = isFile ? XmlReader.Create(kva, settings) : XmlReader.Create(new StringReader(kva), settings);
                Load(reader);
            }
            catch (Exception e)
            {
                log.Error("An error happened during the parsing of the KVA metadata");
                log.Error(e);
            }
            finally
            {
                if (reader != null)
                {
                    reader.Close();
                }
            }

            metadata.AfterKVAImport();
        }