Exemplo n.º 1
0
        /// <summary>
        /// Parses an RSS feed and returns a <see cref="IList&amp;lt;Item&amp;gt;"/>.
        /// </summary>
        public virtual async Task <IList <Item> > ParseRss(IResourceReader resourceReader)
        {
            try
            {
                var doc = await resourceReader.GetAsync();

                // RSS/Channel/item
                var entries = from item in doc.Root.Descendants().First(i => i.Name.LocalName == "channel").Elements().Where(i => i.Name.LocalName == "item")
                              select new Item
                {
                    FeedType    = FeedType.RSS,
                    Content     = item.Elements().First(i => i.Name.LocalName == "description").Value,
                    Link        = item.Elements().First(i => i.Name.LocalName == "link").Value,
                    PublishDate = ParseDate(item.Elements().First(i => i.Name.LocalName == "pubDate").Value),
                    Title       = item.Elements().First(i => i.Name.LocalName == "title").Value
                };
                return(entries.ToList());
            }
            catch (HttpRequestException e)
            {
                Console.WriteLine("\nException Caught!");
                Console.WriteLine("Message :{0} ", e.Message);
            }

            // Need to call dispose on the HttpClient object
            // when done using it, so the app doesn't leak resources
            return(null);
        }
Exemplo n.º 2
0
        /// <summary>
        /// Parses an Atom feed and returns a <see cref="IList&amp;lt;Item&amp;gt;"/>.
        /// </summary>
        public virtual async Task <IList <Item> > ParseAtom(IResourceReader resourceReader)
        {
            try
            {
                var doc = await resourceReader.GetAsync();

                // Feed/Entry
                var entries = from item in doc.Root.Elements().Where(i => i.Name.LocalName == "entry")
                              select new Item
                {
                    FeedType    = FeedType.Atom,
                    Content     = item.Elements().First(i => i.Name.LocalName == "content").Value,
                    Link        = item.Elements().First(i => i.Name.LocalName == "link").Attribute("href").Value,
                    PublishDate = ParseDate(item.Elements().First(i => i.Name.LocalName == "published").Value),
                    Title       = item.Elements().First(i => i.Name.LocalName == "title").Value
                };
                return(entries.ToList());
            }
            catch
            {
                return(new List <Item>());
            }
        }
Exemplo n.º 3
0
        /// <summary>
        /// Parses an RDF feed and returns a <see cref="IList&amp;lt;Item&amp;gt;"/>.
        /// </summary>
        public virtual async Task <IList <Item> > ParseRdf(IResourceReader resourceReader)
        {
            try
            {
                var doc = await resourceReader.GetAsync();

                // <item> is under the root
                var entries = from item in doc.Root.Descendants().Where(i => i.Name.LocalName == "item")
                              select new Item
                {
                    FeedType    = FeedType.RDF,
                    Content     = item.Elements().First(i => i.Name.LocalName == "description").Value,
                    Link        = item.Elements().First(i => i.Name.LocalName == "link").Value,
                    PublishDate = ParseDate(item.Elements().First(i => i.Name.LocalName == "date").Value),
                    Title       = item.Elements().First(i => i.Name.LocalName == "title").Value
                };
                return(entries.ToList());
            }
            catch
            {
                return(new List <Item>());
            }
        }