Esempio n. 1
0
        /// <summary>
        /// Reads all items from a given XML file
        /// </summary>
        /// <param name="feedXML">The XML file from the feed</param>
        /// <returns>IEnumerable with all IFeedItems - some properties might be empty</returns>
        public static async Task <IEnumerable <FeedItem> > ParseItemsFromXML(XDocument feedXML, Feed fromFeed)
        {
            DbgHelper.CurrentNumberOfFeeds("Beginn von ParseItemsFromXML");
            IList <FeedItem> items = new List <FeedItem>();
            var itemElements       = feedXML.Descendants(Param.XMLItemTag);

            foreach (var item in itemElements)
            {
                var titleElement       = item.Descendants(Param.XMLTitleTag).FirstOrDefault();
                var title              = (titleElement != null) ? titleElement.Value : Param.PlaceHolderString;
                var descriptionElement = item.Descendants(Param.XMLDescriptionTag).FirstOrDefault();
                var description        = (descriptionElement != null) ? descriptionElement.Value : String.Empty;
                if (String.IsNullOrEmpty(description) && !String.IsNullOrEmpty(title))
                {
                    description = title;
                    title       = title.Substring(0, Math.Min(title.Length, 75));
                }
                var      contentElement = item.Descendants().Where(e => e.Name.ToString().Contains(Param.XMLContentTag)).FirstOrDefault(); //(Param.XMLContentTag).FirstOrDefault();
                var      content        = (contentElement != null) ? contentElement.Value : String.Empty;
                var      dateElement    = item.Descendants(Param.XMLPubDateTag).FirstOrDefault();
                var      date           = (dateElement != null) ? DateTime.Parse(dateElement.Value) : default(DateTime);
                var      guidElement    = item.Descendants(Param.XMLGuidTag).FirstOrDefault();
                var      guid           = (guidElement != null) ? guidElement.Value : Guid.NewGuid().ToString();
                var      linkElement    = item.Descendants(Param.XMLLinkTag).FirstOrDefault();
                var      link           = (linkElement != null) ? linkElement.Value : Param.PlaceHolderString;
                FeedItem feedItem       = new FeedItem(fromFeed, title, description, content, date, guid, link);
                items.Add(feedItem);
            }
            DbgHelper.CurrentNumberOfFeeds("Ende von ParseItemsFromXML");
            return(items);
        }
Esempio n. 2
0
        public static async Task <IEnumerable <FeedItem> > ReadItemsFromFile(string feedFile, Feed fromFeed)
        {
            DbgHelper.CurrentNumberOfFeeds("Beginn von ReadItemsFromFile");
            var       fileString = File.ReadAllText(feedFile).Trim();
            XDocument feedXML    = XDocument.Parse(fileString);

            return(await ParseItemsFromXML(feedXML, fromFeed));
        }
Esempio n. 3
0
        public static async Task <IEnumerable <FeedItem> > ReadItemsFromWeb(string feedUri, Feed fromFeed)
        {
            DbgHelper.CurrentNumberOfFeeds("Beginn von ReadItemsFromWeb");
            WebClient client = new WebClient();

            client.UseDefaultCredentials = true;
            client.Encoding = Encoding.UTF8;
            var       feedString = client.DownloadString(new Uri(feedUri));
            XDocument feedXML    = XDocument.Parse(feedString.Trim());

            return(await ParseItemsFromXML(feedXML, fromFeed));
        }