/// <summary>
/// Modifies the <see cref="AtomCategoryDocument"/> to match the data source.
/// </summary>
/// <param name="resource">The <see cref="AtomCategoryDocument"/> to be filled.</param>
/// <exception cref="ArgumentNullException">The <paramref name="resource"/> is a null reference (Nothing in Visual Basic).</exception>
public void Fill(AtomCategoryDocument resource)
{
//------------------------------------------------------------
// Validate parameter
//------------------------------------------------------------
Guard.ArgumentNotNull(resource, "resource");
//------------------------------------------------------------
// Create namespace resolver
//------------------------------------------------------------
XmlNamespaceManager manager = AtomUtility.CreateNamespaceManager(this.Navigator.NameTable);
//------------------------------------------------------------
// Attempt to fill syndication resource
//------------------------------------------------------------
XPathNavigator documentNavigator = this.Navigator.SelectSingleNode("app:categories", manager);
if (documentNavigator != null)
{
AtomUtility.FillCommonObjectAttributes(resource, documentNavigator);
if (documentNavigator.HasChildren)
{
if (documentNavigator.HasAttributes)
{
string fixedAttribute = documentNavigator.GetAttribute("fixed", String.Empty);
string schemeAttribute = documentNavigator.GetAttribute("scheme", String.Empty);
string hrefAttribute = documentNavigator.GetAttribute("href", String.Empty);
if (!String.IsNullOrEmpty(fixedAttribute))
{
if (String.Compare(fixedAttribute, "yes", StringComparison.OrdinalIgnoreCase) == 0)
{
resource.IsFixed = true;
}
else if (String.Compare(fixedAttribute, "no", StringComparison.OrdinalIgnoreCase) == 0)
{
resource.IsFixed = false;
}
}
if (!String.IsNullOrEmpty(schemeAttribute))
{
Uri scheme;
if (Uri.TryCreate(schemeAttribute, UriKind.RelativeOrAbsolute, out scheme))
{
resource.Scheme = scheme;
}
}
if (!String.IsNullOrEmpty(hrefAttribute))
{
Uri href;
if (Uri.TryCreate(hrefAttribute, UriKind.RelativeOrAbsolute, out href))
{
resource.Uri = href;
}
}
}
if (documentNavigator.HasChildren)
{
XPathNodeIterator categoryIterator = documentNavigator.Select("atom:category", manager);
if (categoryIterator != null && categoryIterator.Count > 0)
{
while (categoryIterator.MoveNext())
{
AtomCategory category = new AtomCategory();
if (category.Load(categoryIterator.Current, this.Settings))
{
resource.AddCategory(category);
}
}
}
}
}
SyndicationExtensionAdapter adapter = new SyndicationExtensionAdapter(documentNavigator, this.Settings);
adapter.Fill(resource, manager);
}
}
