/// <summary>
/// Creates a collection of <see cref="ISyndicationExtension"/> instances for the specified types.
/// </summary>
/// <param name="types">A <see cref="Collection{T}"/> collection of <see cref="Type"/> objects that represent user-defined syndication extensions to be instantiated.</param>
/// <param name="namespaces">A collection of XML nameapces that are used to filter the available native framework syndication extensions.</param>
/// <returns>
/// A <see cref="Collection{T}"/> collection of <see cref="ISyndicationExtension"/> objects instantiated using the supplied <paramref name="types"/> and <paramref name="namespaces"/>.
/// </returns>
/// <remarks>
/// This method instantiates all of the available native framework syndication extensions, and then filters them based on the XML namespaces and prefixes contained in the supplied <paramref name="namespaces"/>.
/// The user defined syndication extensions are then instantiated, and are added to the return collection if they do not already exist.
/// </remarks>
/// <exception cref="ArgumentNullException">The <paramref name="types"/> is a null reference (Nothing in Visual Basic).</exception>
/// <exception cref="ArgumentNullException">The <paramref name="namespaces"/> is a null reference (Nothing in Visual Basic).</exception>
public static Collection <ISyndicationExtension> GetExtensions(Collection <Type> types, IEnumerable <KeyValuePair <string, string> > namespaces)
{
//------------------------------------------------------------
// Local members
//------------------------------------------------------------
Collection <ISyndicationExtension> supportedExtensions = new Collection <ISyndicationExtension>();
//------------------------------------------------------------
// Validate parameters
//------------------------------------------------------------
Guard.ArgumentNotNull(types, "types");
Guard.ArgumentNotNull(namespaces, "namespaces");
//------------------------------------------------------------
// Add native framework extensions based on XML namespaces
//------------------------------------------------------------
Collection <ISyndicationExtension> nativeExtensions = SyndicationExtensionAdapter.GetExtensions(SyndicationExtensionAdapter.FrameworkExtensions);
foreach (ISyndicationExtension extension in nativeExtensions)
{
//BEGIN PATCH
//if (namespaces.ContainsValue(extension.XmlNamespace) || namespaces.ContainsKey(extension.XmlPrefix))
if (namespaces.Any(item => item.Value == extension.XmlNamespace) || namespaces.Any(item => item.Key == extension.XmlPrefix))
//END PATCH
{
if (!supportedExtensions.Contains(extension))
{
supportedExtensions.Add(extension);
}
}
}
//------------------------------------------------------------
// Add user defined extensions if not already in collection
//------------------------------------------------------------
Collection <ISyndicationExtension> userExtensions = SyndicationExtensionAdapter.GetExtensions(types);
foreach (ISyndicationExtension extension in userExtensions)
{
if (!supportedExtensions.Contains(extension))
{
supportedExtensions.Add(extension);
}
}
return(supportedExtensions);
}
/// <summary>
/// Modifies the <see cref="IExtensibleSyndicationObject"/> to match the data source.
/// </summary>
/// <param name="entity">The <see cref="IExtensibleSyndicationObject"/> to be filled.</param>
/// <param name="manager">The <see cref="XmlNamespaceManager"/> used to resolve prefixed syndication elements and attributes.</param>
/// <exception cref="ArgumentNullException">The <paramref name="entity"/> is a null reference (Nothing in Visual Basic).</exception>
/// <exception cref="ArgumentNullException">The <paramref name="manager"/> is a null reference (Nothing in Visual Basic).</exception>
public void Fill(IExtensibleSyndicationObject entity, XmlNamespaceManager manager)
{
//------------------------------------------------------------
// Local members
//------------------------------------------------------------
Collection <ISyndicationExtension> extensions = new Collection <ISyndicationExtension>();
//------------------------------------------------------------
// Validate parameters
//------------------------------------------------------------
Guard.ArgumentNotNull(entity, "entity");
Guard.ArgumentNotNull(manager, "manager");
//------------------------------------------------------------
// Get syndication extensions supported by the load operation
//------------------------------------------------------------
if (this.Settings.AutoDetectExtensions)
{
//BEGIN PATCH
//extensions = SyndicationExtensionAdapter.GetExtensions(this.Settings.SupportedExtensions, (Dictionary<string, string>)this.Navigator.GetNamespacesInScope(XmlNamespaceScope.ExcludeXml));
extensions = SyndicationExtensionAdapter.GetExtensions(this.Settings.SupportedExtensions, this.Navigator.GetAllNamespaces());
//END PATCH
}
else
{
extensions = SyndicationExtensionAdapter.GetExtensions(this.Settings.SupportedExtensions);
}
//------------------------------------------------------------
// Add syndication extensions to entity if they exist in source
//------------------------------------------------------------
foreach (ISyndicationExtension extension in extensions)
{
if (extension.ExistsInSource(this.Navigator))
{
ISyndicationExtension instance = (ISyndicationExtension)Activator.CreateInstance(extension.GetType());
if (instance.Load(this.Navigator))
{
((Collection <ISyndicationExtension>)entity.Extensions).Add(instance);
}
}
}
}