/// <summary>
/// Modifies the <see cref="AtomEntry"/> to match the supplied <see cref="XPathNavigator"/> data source.
/// </summary>
/// <param name="entry">The <see cref="AtomEntry"/> to be filled.</param>
/// <param name="source">The <see cref="XPathNavigator"/> to extract information from.</param>
/// <param name="manager">The <see cref="XmlNamespaceManager"/> used to resolve XML namespace prefixes.</param>
/// <param name="settings">The <see cref="SyndicationResourceLoadSettings"/> used to configure the fill operation.</param>
/// <remarks>
/// This method expects the supplied <paramref name="source"/> to be positioned on the XML element that represents a <see cref="AtomEntry"/>.
/// </remarks>
/// <exception cref="ArgumentNullException">The <paramref name="entry"/> is a null reference (Nothing in Visual Basic).</exception>
/// <exception cref="ArgumentNullException">The <paramref name="source"/> 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>
private static void FillEntry(AtomEntry entry, XPathNavigator source, XmlNamespaceManager manager, SyndicationResourceLoadSettings settings)
{
//------------------------------------------------------------
// Validate parameter
//------------------------------------------------------------
Guard.ArgumentNotNull(entry, "entry");
Guard.ArgumentNotNull(source, "source");
Guard.ArgumentNotNull(manager, "manager");
Guard.ArgumentNotNull(settings, "settings");
//------------------------------------------------------------
// Attempt to fill syndication resource
//------------------------------------------------------------
AtomUtility.FillCommonObjectAttributes(entry, source);
XPathNavigator idNavigator = source.SelectSingleNode("atom:id", manager);
XPathNavigator titleNavigator = source.SelectSingleNode("atom:title", manager);
XPathNavigator updatedNavigator = source.SelectSingleNode("atom:updated", manager);
if (idNavigator != null)
{
entry.Id = new AtomId();
entry.Id.Load(idNavigator, settings);
}
if (titleNavigator != null)
{
entry.Title = new AtomTextConstruct();
entry.Title.Load(titleNavigator, settings);
}
if (updatedNavigator != null)
{
DateTime updatedOn;
if (SyndicationDateTimeUtility.TryParseRfc3339DateTime(updatedNavigator.Value, out updatedOn))
{
entry.UpdatedOn = updatedOn;
}
}
Atom10SyndicationResourceAdapter.FillEntryOptionals(entry, source, manager, settings);
Atom10SyndicationResourceAdapter.FillEntryCollections(entry, source, manager, settings);
SyndicationExtensionAdapter adapter = new SyndicationExtensionAdapter(source, settings);
adapter.Fill(entry, manager);
}
/// <summary>
/// Loads this <see cref="AtomSource"/> using the supplied <see cref="XPathNavigator"/> and <see cref="SyndicationResourceLoadSettings"/>.
/// </summary>
/// <param name="source">The <see cref="XPathNavigator"/> to extract information from.</param>
/// <param name="settings">The <see cref="SyndicationResourceLoadSettings"/> used to configure the load operation.</param>
/// <returns><b>true</b> if the <see cref="AtomSource"/> was initialized using the supplied <paramref name="source"/>, otherwise <b>false</b>.</returns>
/// <remarks>
/// This method expects the supplied <paramref name="source"/> to be positioned on the XML element that represents a <see cref="AtomSource"/>.
/// </remarks>
/// <exception cref="ArgumentNullException">The <paramref name="source"/> is a null reference (Nothing in Visual Basic).</exception>
/// <exception cref="ArgumentNullException">The <paramref name="settings"/> is a null reference (Nothing in Visual Basic).</exception>
public bool Load(XPathNavigator source, SyndicationResourceLoadSettings settings)
{
//------------------------------------------------------------
// Local members
//------------------------------------------------------------
bool wasLoaded = false;
//------------------------------------------------------------
// Validate parameter
//------------------------------------------------------------
Guard.ArgumentNotNull(source, "source");
Guard.ArgumentNotNull(settings, "settings");
//------------------------------------------------------------
// Attempt to extract syndication information
//------------------------------------------------------------
wasLoaded = this.Load(source);
//------------------------------------------------------------
// Attempt to extract syndication extension information
//------------------------------------------------------------
SyndicationExtensionAdapter adapter = new SyndicationExtensionAdapter(source, settings);
adapter.Fill(this);
return wasLoaded;
}
/// <summary>
/// Modifies the <see cref="AtomFeed"/> to match the data source.
/// </summary>
/// <param name="resource">The <see cref="AtomFeed"/> to be filled.</param>
/// <exception cref="ArgumentNullException">The <paramref name="resource"/> is a null reference (Nothing in Visual Basic).</exception>
public void Fill(AtomFeed resource)
{
//------------------------------------------------------------
// Validate parameter
//------------------------------------------------------------
Guard.ArgumentNotNull(resource, "resource");
//------------------------------------------------------------
// Create namespace resolver
//------------------------------------------------------------
XmlNamespaceManager manager = AtomUtility.CreateNamespaceManager(this.Navigator.NameTable);
//------------------------------------------------------------
// Attempt to fill syndication resource
//------------------------------------------------------------
XPathNavigator feedNavigator = this.Navigator.SelectSingleNode("atom:feed", manager);
if (feedNavigator != null)
{
AtomUtility.FillCommonObjectAttributes(resource, feedNavigator);
XPathNavigator idNavigator = feedNavigator.SelectSingleNode("atom:id", manager);
XPathNavigator titleNavigator = feedNavigator.SelectSingleNode("atom:title", manager);
XPathNavigator updatedNavigator = feedNavigator.SelectSingleNode("atom:updated", manager);
if (idNavigator != null)
{
resource.Id = new AtomId();
resource.Id.Load(idNavigator, this.Settings);
}
if (titleNavigator != null)
{
resource.Title = new AtomTextConstruct();
resource.Title.Load(titleNavigator, this.Settings);
}
if (updatedNavigator != null)
{
DateTime updatedOn;
if (SyndicationDateTimeUtility.TryParseRfc3339DateTime(updatedNavigator.Value, out updatedOn))
{
resource.UpdatedOn = updatedOn;
}
}
Atom10SyndicationResourceAdapter.FillFeedOptionals(resource, feedNavigator, manager, this.Settings);
Atom10SyndicationResourceAdapter.FillFeedCollections(resource, feedNavigator, manager, this.Settings);
SyndicationExtensionAdapter adapter = new SyndicationExtensionAdapter(feedNavigator, this.Settings);
adapter.Fill(resource, manager);
}
}
