/// <summary>
/// Modifies the <see cref="AtomFeed"/> optional entities to match the supplied <see cref="XPathNavigator"/> data source.
/// </summary>
/// <param name="feed">The <see cref="AtomFeed"/> 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="AtomFeed"/>.
/// </remarks>
/// <exception cref="ArgumentNullException">The <paramref name="feed"/> 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>
/// <exception cref="ArgumentNullException">The <paramref name="settings"/> is a null reference (Nothing in Visual Basic).</exception>
private static void FillFeedOptionals(AtomFeed feed, XPathNavigator source, XmlNamespaceManager manager, SyndicationResourceLoadSettings settings)
{
Guard.ArgumentNotNull(feed, "feed");
Guard.ArgumentNotNull(source, "source");
Guard.ArgumentNotNull(manager, "manager");
Guard.ArgumentNotNull(settings, "settings");
XPathNavigator generatorNavigator = source.SelectSingleNode("atom:generator", manager);
XPathNavigator copyrightNavigator = source.SelectSingleNode("atom:copyright", manager);
XPathNavigator taglineNavigator = source.SelectSingleNode("atom:tagline", manager);
if (generatorNavigator != null)
{
feed.Generator = Atom03SyndicationResourceAdapter.CreateGenerator(generatorNavigator, manager, settings);
}
if (copyrightNavigator != null)
{
feed.Rights = Atom03SyndicationResourceAdapter.CreateTextContent(copyrightNavigator, manager, settings);
}
if (taglineNavigator != null)
{
feed.Subtitle = Atom03SyndicationResourceAdapter.CreateTextContent(taglineNavigator, manager, settings);
}
}
/// <summary>
/// Modifies the <see cref="AtomEntry"/> optional entities 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 an Atom 0.3 element.
/// </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>
/// <exception cref="ArgumentNullException">The <paramref name="settings"/> is a null reference (Nothing in Visual Basic).</exception>
private static void FillEntryOptionals(AtomEntry entry, XPathNavigator source, XmlNamespaceManager manager, SyndicationResourceLoadSettings settings)
{
Guard.ArgumentNotNull(entry, "entry");
Guard.ArgumentNotNull(source, "source");
Guard.ArgumentNotNull(manager, "manager");
Guard.ArgumentNotNull(settings, "settings");
XPathNavigator contentNavigator = source.SelectSingleNode("atom:content", manager);
XPathNavigator createdNavigator = source.SelectSingleNode("atom:created", manager);
XPathNavigator summaryNavigator = source.SelectSingleNode("atom:summary", manager);
if (contentNavigator != null)
{
entry.Content = Atom03SyndicationResourceAdapter.CreateContent(contentNavigator, manager, settings);
}
if (createdNavigator != null)
{
DateTime publishedOn;
if (SyndicationDateTimeUtility.TryParseRfc3339DateTime(createdNavigator.Value, out publishedOn))
{
entry.PublishedOn = publishedOn;
}
}
if (summaryNavigator != null)
{
entry.Summary = Atom03SyndicationResourceAdapter.CreateTextContent(summaryNavigator, manager, settings);
}
}
/// <summary>
/// Modifies the <see cref="ISyndicationResource"/> to match the data source.
/// </summary>
/// <param name="resource">The Atom <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 FillAtomResource(ISyndicationResource resource, SyndicationResourceMetadata resourceMetadata)
{
Guard.ArgumentNotNull(resource, "resource");
Guard.ArgumentNotNull(resourceMetadata, "resourceMetadata");
AtomFeed atomFeed = resource as AtomFeed;
AtomEntry atomEntry = resource as AtomEntry;
if (resourceMetadata.Version == new Version("1.0"))
{
Atom10SyndicationResourceAdapter atom10Adapter = new Atom10SyndicationResourceAdapter(this.Navigator, this.Settings);
if (atomFeed != null)
{
atom10Adapter.Fill(atomFeed);
}
else if (atomEntry != null)
{
atom10Adapter.Fill(atomEntry);
}
}
if (resourceMetadata.Version == new Version("0.3"))
{
Atom03SyndicationResourceAdapter atom03Adapter = new Atom03SyndicationResourceAdapter(this.Navigator, this.Settings);
if (atomFeed != null)
{
atom03Adapter.Fill(atomFeed);
}
else if (atomEntry != null)
{
atom03Adapter.Fill(atomEntry);
}
}
}
/// <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 = Atom03SyndicationResourceAdapter.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 modifiedNavigator = feedNavigator.SelectSingleNode("atom:modified", manager);
if (idNavigator != null)
{
resource.Id = new AtomId();
resource.Id.Load(idNavigator, this.Settings);
}
if (titleNavigator != null)
{
resource.Title = Atom03SyndicationResourceAdapter.CreateTextContent(titleNavigator, manager, this.Settings);
}
if (modifiedNavigator != null)
{
DateTime updatedOn;
if (SyndicationDateTimeUtility.TryParseRfc3339DateTime(modifiedNavigator.Value, out updatedOn))
{
resource.UpdatedOn = updatedOn;
}
}
Atom03SyndicationResourceAdapter.FillFeedOptionals(resource, feedNavigator, manager, this.Settings);
Atom03SyndicationResourceAdapter.FillFeedCollections(resource, feedNavigator, manager, this.Settings);
SyndicationExtensionAdapter adapter = new SyndicationExtensionAdapter(feedNavigator, this.Settings);
adapter.Fill(resource, manager);
}
}
/// <summary>
/// Modifies the <see cref="AtomEntry"/> to match the data source.
/// </summary>
/// <param name="resource">The <see cref="AtomEntry"/> to be filled.</param>
/// <exception cref="ArgumentNullException">The <paramref name="resource"/> is a null reference (Nothing in Visual Basic).</exception>
public void Fill(AtomEntry resource)
{
Guard.ArgumentNotNull(resource, "resource");
XmlNamespaceManager manager = AtomUtility.CreateNamespaceManager(this.Navigator.NameTable);
XPathNavigator entryNavigator = this.Navigator.SelectSingleNode("atom:entry", manager);
if (entryNavigator != null)
{
Atom03SyndicationResourceAdapter.FillEntry(resource, entryNavigator, manager, this.Settings);
}
}
/// <summary>
/// Modifies the <see cref="AtomEntry"/> collection entities 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 an Atom 0.3 element.
/// </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>
/// <exception cref="ArgumentNullException">The <paramref name="settings"/> is a null reference (Nothing in Visual Basic).</exception>
private static void FillEntryCollections(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 extract syndication information
//------------------------------------------------------------
XPathNodeIterator authorIterator = source.Select("atom:author", manager);
XPathNodeIterator contributorIterator = source.Select("atom:contributor", manager);
XPathNodeIterator linkIterator = source.Select("atom:link", manager);
if (authorIterator != null && authorIterator.Count > 0)
{
while (authorIterator.MoveNext())
{
AtomPersonConstruct author = Atom03SyndicationResourceAdapter.CreatePerson(authorIterator.Current, manager, settings);
entry.Authors.Add(author);
}
}
if (contributorIterator != null && contributorIterator.Count > 0)
{
while (contributorIterator.MoveNext())
{
AtomPersonConstruct contributor = Atom03SyndicationResourceAdapter.CreatePerson(contributorIterator.Current, manager, settings);
entry.Contributors.Add(contributor);
}
}
if (linkIterator != null && linkIterator.Count > 0)
{
while (linkIterator.MoveNext())
{
AtomLink link = new AtomLink();
if (link.Load(linkIterator.Current, settings))
{
entry.Links.Add(link);
}
}
}
}
/// <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 an Atom 0.3 element.
/// </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>
/// <exception cref="ArgumentNullException">The <paramref name="settings"/> 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 modifiedNavigator = source.SelectSingleNode("atom:modified", manager);
if (idNavigator != null)
{
entry.Id = new AtomId();
entry.Id.Load(idNavigator, settings);
}
if (titleNavigator != null)
{
entry.Title = Atom03SyndicationResourceAdapter.CreateTextContent(titleNavigator, manager, settings);
}
if (modifiedNavigator != null)
{
DateTime updatedOn;
if (SyndicationDateTimeUtility.TryParseRfc3339DateTime(modifiedNavigator.Value, out updatedOn))
{
entry.UpdatedOn = updatedOn;
}
}
Atom03SyndicationResourceAdapter.FillEntryOptionals(entry, source, manager, settings);
Atom03SyndicationResourceAdapter.FillEntryCollections(entry, source, manager, settings);
SyndicationExtensionAdapter adapter = new SyndicationExtensionAdapter(source, settings);
adapter.Fill(entry, manager);
}
//============================================================
// PUBLIC METHODS
//============================================================
#region Fill(AtomEntry resource)
/// <summary>
/// Modifies the <see cref="AtomEntry"/> to match the data source.
/// </summary>
/// <param name="resource">The <see cref="AtomEntry"/> to be filled.</param>
/// <exception cref="ArgumentNullException">The <paramref name="resource"/> is a null reference (Nothing in Visual Basic).</exception>
public void Fill(AtomEntry resource)
{
//------------------------------------------------------------
// Validate parameter
//------------------------------------------------------------
Guard.ArgumentNotNull(resource, "resource");
//------------------------------------------------------------
// Create namespace resolver
//------------------------------------------------------------
XmlNamespaceManager manager = AtomUtility.CreateNamespaceManager(this.Navigator.NameTable);
//------------------------------------------------------------
// Attempt to fill syndication resource
//------------------------------------------------------------
XPathNavigator entryNavigator = this.Navigator.SelectSingleNode("atom:entry", manager);
if (entryNavigator != null)
{
Atom03SyndicationResourceAdapter.FillEntry(resource, entryNavigator, manager, this.Settings);
}
}
/// <summary>
/// Modifies the <see cref="ISyndicationResource"/> to match the data source.
/// </summary>
/// <param name="resource">The Atom <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 FillAtomResource(ISyndicationResource resource, SyndicationResourceMetadata resourceMetadata)
{
//------------------------------------------------------------
// Validate parameter
//------------------------------------------------------------
Guard.ArgumentNotNull(resource, "resource");
Guard.ArgumentNotNull(resourceMetadata, "resourceMetadata");
//------------------------------------------------------------
// Fill syndication resource using appropriate data adapter
//------------------------------------------------------------
AtomFeed atomFeed = resource as AtomFeed;
AtomEntry atomEntry = resource as AtomEntry;
if (resourceMetadata.Version == new Version("1.0"))
{
Atom10SyndicationResourceAdapter atom10Adapter = new Atom10SyndicationResourceAdapter(this.Navigator, this.Settings);
if (atomFeed != null)
{
atom10Adapter.Fill(atomFeed);
}
else if (atomEntry != null)
{
atom10Adapter.Fill(atomEntry);
}
}
if (resourceMetadata.Version == new Version("0.3"))
{
Atom03SyndicationResourceAdapter atom03Adapter = new Atom03SyndicationResourceAdapter(this.Navigator, this.Settings);
if (atomFeed != null)
{
atom03Adapter.Fill(atomFeed);
}
else if (atomEntry != null)
{
atom03Adapter.Fill(atomEntry);
}
}
}
/// <summary>
/// Modifies the <see cref="AtomFeed"/> collection entities to match the supplied <see cref="XPathNavigator"/> data source.
/// </summary>
/// <param name="feed">The <see cref="AtomFeed"/> 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="AtomFeed"/>.
/// </remarks>
/// <exception cref="ArgumentNullException">The <paramref name="feed"/> 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>
/// <exception cref="ArgumentNullException">The <paramref name="settings"/> is a null reference (Nothing in Visual Basic).</exception>
private static void FillFeedCollections(AtomFeed feed, XPathNavigator source, XmlNamespaceManager manager, SyndicationResourceLoadSettings settings)
{
Guard.ArgumentNotNull(feed, "feed");
Guard.ArgumentNotNull(source, "source");
Guard.ArgumentNotNull(manager, "manager");
Guard.ArgumentNotNull(settings, "settings");
XPathNodeIterator authorIterator = source.Select("atom:author", manager);
XPathNodeIterator contributorIterator = source.Select("atom:contributor", manager);
XPathNodeIterator linkIterator = source.Select("atom:link", manager);
XPathNodeIterator entryIterator = source.Select("atom:entry", manager);
if (authorIterator != null && authorIterator.Count > 0)
{
while (authorIterator.MoveNext())
{
AtomPersonConstruct author = Atom03SyndicationResourceAdapter.CreatePerson(authorIterator.Current, manager, settings);
feed.Authors.Add(author);
}
}
if (contributorIterator != null && contributorIterator.Count > 0)
{
while (contributorIterator.MoveNext())
{
AtomPersonConstruct contributor = Atom03SyndicationResourceAdapter.CreatePerson(contributorIterator.Current, manager, settings);
feed.Contributors.Add(contributor);
}
}
if (entryIterator != null && entryIterator.Count > 0)
{
int counter = 0;
while (entryIterator.MoveNext())
{
AtomEntry entry = new AtomEntry();
counter++;
Atom03SyndicationResourceAdapter.FillEntry(entry, entryIterator.Current, manager, settings);
if (settings.RetrievalLimit != 0 && counter > settings.RetrievalLimit)
{
break;
}
((Collection <AtomEntry>)feed.Entries).Add(entry);
}
}
if (linkIterator != null && linkIterator.Count > 0)
{
while (linkIterator.MoveNext())
{
AtomLink link = new AtomLink();
if (link.Load(linkIterator.Current, settings))
{
feed.Links.Add(link);
}
}
}
}
