/// <summary>
/// Provides example code for the YahooMediaSyndicationExtension class.
/// </summary>
public static void ClassExample()
{
// Framework auto-discovers supported extensions based on XML namespace attributes (xmlns) defined on root of resource
RssFeed feed = RssFeed.Create(new Uri("http://www.example.com/feed.aspx?format=rss"));
// Extensible framework entities provide properties/methods to determine if entity is extended and predicate based seaching against available extensions
if (feed.Channel.HasExtensions)
{
YahooMediaSyndicationExtension channelExtension = feed.Channel.FindExtension(YahooMediaSyndicationExtension.MatchByType) as YahooMediaSyndicationExtension;
if (channelExtension != null)
{
// Process channel extension
}
}
foreach (RssItem item in feed.Channel.Items)
{
if (item.HasExtensions)
{
YahooMediaSyndicationExtension itemExtension = item.FindExtension(YahooMediaSyndicationExtension.MatchByType) as YahooMediaSyndicationExtension;
if (itemExtension != null)
{
// Process extension for current item
}
}
}
// By default the framework will automatically determine what XML namespace attributes (xmlns) to write
// on the root of the resource based on the extensions applied to extensible parent and child entities
using (FileStream stream = new FileStream("Feed.xml", FileMode.Create, FileAccess.Write))
{
feed.Save(stream);
}
}
// Get Yahoo extension data
private void SetYahooExtension(IList <AdvancedRssItemMedia> ilarim, YahooMediaSyndicationExtension yme)
{
//TODO, case of group!!! for type ??
foreach (AdvancedRssItemMedia item in ilarim)
{
YahooMediaContent ymc = new YahooMediaContent();
ymc.Url = new Uri(item.Content);
//Title
if (item.Title != null && item.Title != "")
{
ymc.Title = new YahooMediaTextConstruct(item.Title);
}
//Content
if (item.Content != null && item.Content != "")
{
try
{
ymc.Url = new Uri(item.Content);
}
catch
{
}
}
//ContentType
if (item.ContentType != null)
{
ymc.ContentType = item.ContentType;
}
//Credit
if (item.Credit != null && item.Credit != "")
{
ymc.Credits.Add(new YahooMediaCredit(item.Credit));
}
//Descripcion
if (item.Description != null && item.Description != "")
{
ymc.Description = new YahooMediaTextConstruct(item.Description);
}
yme.Context.AddContent(ymc);
}
}
public void SetChannelRss(AdvancedRssChannel rssChannel, Stream OutputStream)
{
RssFeed ArgoticRssFeed = new RssFeed();
SetBasicChannelData(rssChannel, ArgoticRssFeed.Channel);
if (rssChannel.RssItems != null)
{
foreach (AdvancedRssItem RssItem in rssChannel.RssItems)
{
//New item
RssItem ArgoRssItem = new RssItem();
//Basic item of the item
SetBasicItemData(RssItem, ArgoRssItem);
//Extention for Geocoding
SetBasicGeocodingExtension(RssItem, ArgoRssItem);
//Extention Slash for nomber of comment
SetSlashExtension(RssItem, ArgoRssItem);
//Yahoo extention for media content
if (RssItem.RssfeedItemsMedia != null)
{
YahooMediaSyndicationExtension yme = new YahooMediaSyndicationExtension();
SetYahooExtension(RssItem.RssfeedItemsMedia, yme);
ArgoRssItem.AddExtension(yme);
}
ArgoticRssFeed.Channel.AddItem(ArgoRssItem);
}
}
ArgoticRssFeed.Save(OutputStream);
}
private AdvancedRssChannel GetRssChannelFromRss(Uri url)
{
AdvancedRssChannel Channel = new AdvancedRssChannel();
//Argotic object declaration
RssFeed ArgoticRssFeed = new RssFeed();
//Load from uri
try
{
ArgoticRssFeed.Load(url, null, null);
}
catch
{
}
//Init Channel basic data
GetBasicChannelData(ArgoticRssFeed.Channel, Channel);
//Init data for each item
foreach (RssItem item in ArgoticRssFeed.Channel.Items)
{
//Init basic data
AdvancedRssItem RssItem = new AdvancedRssItem();
GetBasicItemData(item, RssItem);
//Extensions type content
if (item.HasExtensions)
{
//Dublin Core Extension
DublinCoreMetadataTermsSyndicationExtension BublinExtension =
(DublinCoreMetadataTermsSyndicationExtension)
item.FindExtension(DublinCoreMetadataTermsSyndicationExtension.MatchByType);
if (BublinExtension != null)
{
GetDublinCoreExtension(BublinExtension.Context, RssItem);
}
//Dublin Extension
DublinCoreMetadataTermsSyndicationExtension DublinExtension =
(DublinCoreMetadataTermsSyndicationExtension)
item.FindExtension(DublinCoreMetadataTermsSyndicationExtension.MatchByType);
if (DublinExtension != null)
{
GetDublinCoreExtension(DublinExtension.Context, RssItem);
}
//Slash Extension
SiteSummarySlashSyndicationExtension SlashExtension =
(SiteSummarySlashSyndicationExtension)
item.FindExtension(SiteSummarySlashSyndicationExtension.MatchByType);
if (SlashExtension != null)
{
GetSlashCoreExtension(SlashExtension.Context, RssItem);
/*-----------------------------------------------------------------------------------*/
/* TODO: Comment problem */
/* Arrangment for a stupid argotic buc, they wrote "coment" and no "comment" !!!!!! */
/* The news module comment URL, it's the URL + #comments */
/*-----------------------------------------------------------------------------------*/
if (SlashExtension.Context.Comments >= 0 && RssItem.Commenturl == null)
{
RssItem.Commenturl = item.Link.AbsoluteUri + "#comments";
}
/*-----------------------------------------------------------------------------------*/
}
//Geo localization
BasicGeocodingSyndicationExtension GMLExtension =
(BasicGeocodingSyndicationExtension)
item.FindExtension(BasicGeocodingSyndicationExtension.MatchByType);
if (GMLExtension != null)
{
GetBasicGeocodingExtension(GMLExtension.Context, RssItem);
}
////Yahoo media tag
YahooMediaSyndicationExtension YahooExtension =
(YahooMediaSyndicationExtension)item.FindExtension(YahooMediaSyndicationExtension.MatchByType);
if (YahooExtension != null)
{
RssItem.RssfeedItemsMedia = new List <AdvancedRssItemMedia>();
GetYahooExtension(YahooExtension.Context, RssItem.RssfeedItemsMedia);
}
}
Channel.RssItems.Add(RssItem);
}
return(Channel);
}
