private bool TryParseViaXDocument(FeedSource feedSource, string downloadResult)
{
bool parsedSuccessfully = true;
List<FeedItem> feedItemsToAdd = new List<FeedItem>();
try
{
XDocument document = XDocument.Parse(downloadResult);
var results = from c in document.Root.Element("channel").Elements("item")
select c;
foreach (var xElement in results)
{
FeedItem newItem = new FeedItem();
newItem.Summary = xElement.Element("description").Value;
newItem.Title = xElement.Element("title").Value;
newItem.PostUri = new Uri(xElement.Element("link").Value);
newItem.Source = feedSource;
feedItemsToAdd.Add(newItem);
}
}
catch (Exception e)
{
parsedSuccessfully = false;
if (feedItemsToAdd != null)
feedItemsToAdd.Clear();
Services.Log("SyndicationFeed did not work with url " + feedSource.UriString + "\n" +
"Exception.Message: " + e.Message,
LogPriority.Low,
LogCategory.Information);
}
if (parsedSuccessfully)
{
//copy method-scoped feeditems to higher level scope results object
foreach (var item in feedItemsToAdd)
{
_DownloadFeedResults.FeedItems.Add(item);
}
}
return parsedSuccessfully;
}
private bool TryParseViaSyndicationFeed(FeedSource downloadRssSource, string downloadResult)
{
bool parsedSuccessfully = true;
List<FeedItem> FeedItemsToAdd = new List<FeedItem>();
try
{
XmlReader xmlReader = XmlReader.Create(new StringReader(downloadResult));
SyndicationFeed synFeed = SyndicationFeed.Load(xmlReader);
foreach (var synFeedItem in synFeed.Items)
{
if (synFeedItem != null &&
synFeedItem.Title != null &&
synFeedItem.Links.Count > 0)
{
FeedItem FeedItem = new FeedItem();
FeedItem.Title = synFeedItem.Title.Text;
if (synFeedItem.Summary != null)
FeedItem.Summary = synFeedItem.Summary.Text;
//links
Uri postUri = null;
foreach (var link in synFeedItem.Links)
{
string relType = link.RelationshipType.ToString();
if (relType == "self" || relType == "replies")
continue;
else
postUri = link.GetAbsoluteUri();
}
if (postUri == null)
postUri = synFeedItem.Links[0].GetAbsoluteUri();
FeedItem.PostUri = postUri;
//FeedItem.PostUri = synFeedItem.Links[0].GetAbsoluteUri();
FeedItem.Source = downloadRssSource;
FeedItemsToAdd.Add(FeedItem);//add to method-scoped list first
}
}
}
catch (Exception e)
{
parsedSuccessfully = false;
if (FeedItemsToAdd != null)
FeedItemsToAdd.Clear();
Services.Log("SyndicationFeed did not work with url " + downloadRssSource.UriString + "\n" +
"Exception.Message: " + e.Message,
LogPriority.Low,
LogCategory.Information);
}
if (parsedSuccessfully)
{
//copy method-scoped feeditems to higher level scope results object
foreach (var item in FeedItemsToAdd)
{
_DownloadFeedResults.FeedItems.Add(item);
}
}
return parsedSuccessfully;
}