/// <summary>
/// Modifies the <see cref="ISyndicationResource"/> to match the data source.
/// </summary>
/// <param name="resource">The Really Simple Syndication (RSS) <see cref="ISyndicationResource"/> to be filled.</param>
/// <param name="resourceMetadata">A <see cref="SyndicationResourceMetadata"/> object that represents the meta-data describing the <paramref name="resource"/>.</param>
/// <exception cref="ArgumentNullException">The <paramref name="resource"/> is a null reference (Nothing in Visual Basic).</exception>
/// <exception cref="ArgumentNullException">The <paramref name="resourceMetadata"/> is a null reference (Nothing in Visual Basic).</exception>
private void FillRssResource(ISyndicationResource resource, SyndicationResourceMetadata resourceMetadata)
{
//------------------------------------------------------------
// Validate parameter
//------------------------------------------------------------
Guard.ArgumentNotNull(resource, "resource");
Guard.ArgumentNotNull(resourceMetadata, "resourceMetadata");
//------------------------------------------------------------
// Fill syndication resource using appropriate data adapter
//------------------------------------------------------------
RssFeed rssFeed = resource as RssFeed;
if (resourceMetadata.Version == new Version("2.0"))
{
Rss20SyndicationResourceAdapter rss20Adapter = new Rss20SyndicationResourceAdapter(this.Navigator, this.Settings);
rss20Adapter.Fill(rssFeed);
}
if (resourceMetadata.Version == new Version("1.0"))
{
Rss10SyndicationResourceAdapter rss10Adapter = new Rss10SyndicationResourceAdapter(this.Navigator, this.Settings);
rss10Adapter.Fill(rssFeed);
}
if (resourceMetadata.Version == new Version("0.92"))
{
Rss092SyndicationResourceAdapter rss092Adapter = new Rss092SyndicationResourceAdapter(this.Navigator, this.Settings);
rss092Adapter.Fill(rssFeed);
}
if (resourceMetadata.Version == new Version("0.91"))
{
Rss091SyndicationResourceAdapter rss091Adapter = new Rss091SyndicationResourceAdapter(this.Navigator, this.Settings);
rss091Adapter.Fill(rssFeed);
}
if (resourceMetadata.Version == new Version("0.9"))
{
Rss090SyndicationResourceAdapter rss090Adapter = new Rss090SyndicationResourceAdapter(this.Navigator, this.Settings);
rss090Adapter.Fill(rssFeed);
}
}
/// <summary>
/// Modifies the <see cref="ISyndicationResource"/> to match the data source.
/// </summary>
/// <param name="resource">The Really Simple Syndication (RSS) <see cref="ISyndicationResource"/> to be filled.</param>
/// <param name="resourceMetadata">A <see cref="SyndicationResourceMetadata"/> object that represents the meta-data describing the <paramref name="resource"/>.</param>
/// <exception cref="ArgumentNullException">The <paramref name="resource"/> is a null reference (Nothing in Visual Basic).</exception>
/// <exception cref="ArgumentNullException">The <paramref name="resourceMetadata"/> is a null reference (Nothing in Visual Basic).</exception>
private void FillRssResource(ISyndicationResource resource, SyndicationResourceMetadata resourceMetadata)
{
Guard.ArgumentNotNull(resource, "resource");
Guard.ArgumentNotNull(resourceMetadata, "resourceMetadata");
RssFeed rssFeed = resource as RssFeed;
if (resourceMetadata.Version == new Version("2.0"))
{
Rss20SyndicationResourceAdapter rss20Adapter = new Rss20SyndicationResourceAdapter(this.Navigator, this.Settings);
rss20Adapter.Fill(rssFeed);
}
if (resourceMetadata.Version == new Version("1.0"))
{
Rss10SyndicationResourceAdapter rss10Adapter = new Rss10SyndicationResourceAdapter(this.Navigator, this.Settings);
rss10Adapter.Fill(rssFeed);
}
if (resourceMetadata.Version == new Version("0.92"))
{
Rss092SyndicationResourceAdapter rss092Adapter = new Rss092SyndicationResourceAdapter(this.Navigator, this.Settings);
rss092Adapter.Fill(rssFeed);
}
if (resourceMetadata.Version == new Version("0.91"))
{
Rss091SyndicationResourceAdapter rss091Adapter = new Rss091SyndicationResourceAdapter(this.Navigator, this.Settings);
rss091Adapter.Fill(rssFeed);
}
if (resourceMetadata.Version == new Version("0.9"))
{
Rss090SyndicationResourceAdapter rss090Adapter = new Rss090SyndicationResourceAdapter(this.Navigator, this.Settings);
rss090Adapter.Fill(rssFeed);
}
}
//============================================================
// PUBLIC METHODS
//============================================================
#region Fill(RssFeed resource)
/// <summary>
/// Modifies the <see cref="RssFeed"/> to match the data source.
/// </summary>
/// <param name="resource">The <see cref="RssFeed"/> to be filled.</param>
/// <exception cref="ArgumentNullException">The <paramref name="resource"/> is a null reference (Nothing in Visual Basic).</exception>
public void Fill(RssFeed resource)
{
//------------------------------------------------------------
// Validate parameter
//------------------------------------------------------------
Guard.ArgumentNotNull(resource, "resource");
//------------------------------------------------------------
// Create namespace resolver
//------------------------------------------------------------
XmlNamespaceManager manager = new XmlNamespaceManager(this.Navigator.NameTable);
manager.AddNamespace("rdf", "http://www.w3.org/1999/02/22-rdf-syntax-ns#");
manager.AddNamespace("rss", "http://my.netscape.com/rdf/simple/0.9/");
//------------------------------------------------------------
// Attempt to fill syndication resource
//------------------------------------------------------------
XPathNavigator channelNavigator = this.Navigator.SelectSingleNode("rdf:RDF/rss:channel", manager);
if (channelNavigator != null)
{
Rss090SyndicationResourceAdapter.FillChannel(resource.Channel, channelNavigator, manager, this.Settings);
}
XPathNavigator imageNavigator = this.Navigator.SelectSingleNode("rdf:RDF/rss:image", manager);
if (imageNavigator != null)
{
resource.Channel.Image = new RssImage();
Rss090SyndicationResourceAdapter.FillImage(resource.Channel.Image, imageNavigator, manager, this.Settings);
}
XPathNavigator textInputNavigator = this.Navigator.SelectSingleNode("rdf:RDF/rss:textinput", manager);
if (textInputNavigator != null)
{
resource.Channel.TextInput = new RssTextInput();
Rss090SyndicationResourceAdapter.FillTextInput(resource.Channel.TextInput, textInputNavigator, manager, this.Settings);
}
XPathNodeIterator itemIterator = this.Navigator.Select("rdf:RDF/rss:item", manager);
if (itemIterator != null && itemIterator.Count > 0)
{
int counter = 0;
while (itemIterator.MoveNext())
{
RssItem item = new RssItem();
counter++;
if (this.Settings.RetrievalLimit != 0 && counter > this.Settings.RetrievalLimit)
{
break;
}
XPathNavigator titleNavigator = itemIterator.Current.SelectSingleNode("rss:title", manager);
XPathNavigator linkNavigator = itemIterator.Current.SelectSingleNode("rss:link", manager);
if (titleNavigator != null)
{
item.Title = titleNavigator.Value;
}
if (linkNavigator != null)
{
Uri link;
if (Uri.TryCreate(linkNavigator.Value, UriKind.RelativeOrAbsolute, out link))
{
item.Link = link;
}
}
SyndicationExtensionAdapter itemExtensionAdapter = new SyndicationExtensionAdapter(itemIterator.Current, this.Settings);
itemExtensionAdapter.Fill(item, manager);
((Collection <RssItem>)resource.Channel.Items).Add(item);
}
}
SyndicationExtensionAdapter feedExtensionAdapter = new SyndicationExtensionAdapter(this.Navigator.SelectSingleNode("rdf:RDF", manager), this.Settings);
feedExtensionAdapter.Fill(resource, manager);
}
/// <summary>
/// Modifies the <see cref="ISyndicationResource"/> to match the data source.
/// </summary>
/// <param name="resource">The Really Simple Syndication (RSS) <see cref="ISyndicationResource"/> to be filled.</param>
/// <param name="resourceMetadata">A <see cref="SyndicationResourceMetadata"/> object that represents the meta-data describing the <paramref name="resource"/>.</param>
/// <exception cref="ArgumentNullException">The <paramref name="resource"/> is a null reference (Nothing in Visual Basic).</exception>
/// <exception cref="ArgumentNullException">The <paramref name="resourceMetadata"/> is a null reference (Nothing in Visual Basic).</exception>
private void FillRssResource(ISyndicationResource resource, SyndicationResourceMetadata resourceMetadata)
{
//------------------------------------------------------------
// Validate parameter
//------------------------------------------------------------
Guard.ArgumentNotNull(resource, "resource");
Guard.ArgumentNotNull(resourceMetadata, "resourceMetadata");
//------------------------------------------------------------
// Fill syndication resource using appropriate data adapter
//------------------------------------------------------------
RssFeed rssFeed = resource as RssFeed;
if (resourceMetadata.Version == new Version("2.0"))
{
Rss20SyndicationResourceAdapter rss20Adapter = new Rss20SyndicationResourceAdapter(this.Navigator, this.Settings);
rss20Adapter.Fill(rssFeed);
}
if (resourceMetadata.Version == new Version("1.0"))
{
Rss10SyndicationResourceAdapter rss10Adapter = new Rss10SyndicationResourceAdapter(this.Navigator, this.Settings);
rss10Adapter.Fill(rssFeed);
}
if (resourceMetadata.Version == new Version("0.92"))
{
Rss092SyndicationResourceAdapter rss092Adapter = new Rss092SyndicationResourceAdapter(this.Navigator, this.Settings);
rss092Adapter.Fill(rssFeed);
}
if (resourceMetadata.Version == new Version("0.91"))
{
Rss091SyndicationResourceAdapter rss091Adapter = new Rss091SyndicationResourceAdapter(this.Navigator, this.Settings);
rss091Adapter.Fill(rssFeed);
}
if (resourceMetadata.Version == new Version("0.9"))
{
Rss090SyndicationResourceAdapter rss090Adapter = new Rss090SyndicationResourceAdapter(this.Navigator, this.Settings);
rss090Adapter.Fill(rssFeed);
}
}