//============================================================
// PUBLIC METHODS
//============================================================
#region Load(XPathNavigator source)
/// <summary>
/// Loads this <see cref="AtomPersonConstruct"/> using the supplied <see cref="XPathNavigator"/>.
/// </summary>
/// <param name="source">The <see cref="XPathNavigator"/> to extract information from.</param>
/// <returns><b>true</b> if the <see cref="AtomPersonConstruct"/> 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="AtomPersonConstruct"/>.
/// </remarks>
/// <exception cref="ArgumentNullException">The <paramref name="source"/> is a null reference (Nothing in Visual Basic).</exception>
public bool Load(XPathNavigator source)
{
//------------------------------------------------------------
// Local members
//------------------------------------------------------------
bool wasLoaded = false;
//------------------------------------------------------------
// Validate parameter
//------------------------------------------------------------
Guard.ArgumentNotNull(source, "source");
//------------------------------------------------------------
// Initialize XML namespace resolver
//------------------------------------------------------------
XmlNamespaceManager manager = AtomUtility.CreateNamespaceManager(source.NameTable);
//------------------------------------------------------------
// Attempt to extract common attributes information
//------------------------------------------------------------
if (AtomUtility.FillCommonObjectAttributes(this, source))
{
wasLoaded = true;
}
//------------------------------------------------------------
// Attempt to extract syndication information
//------------------------------------------------------------
XPathNavigator nameNavigator = source.SelectSingleNode("atom:name", manager);
XPathNavigator uriNavigator = source.SelectSingleNode("atom:uri", manager);
XPathNavigator emailNavigator = source.SelectSingleNode("atom:email", manager);
if (nameNavigator != null)
{
this.Name = nameNavigator.Value;
wasLoaded = true;
}
if (uriNavigator != null)
{
Uri uri;
if (Uri.TryCreate(uriNavigator.Value, UriKind.RelativeOrAbsolute, out uri))
{
this.Uri = uri;
wasLoaded = true;
}
}
if (emailNavigator != null)
{
this.EmailAddress = emailNavigator.Value;
wasLoaded = true;
}
return(wasLoaded);
}
/// <summary>
/// Modifies the <see cref="IAtomCommonObjectAttributes"/> to match the data source.
/// </summary>
/// <param name="target">The object that implements the <see cref="IAtomCommonObjectAttributes"/> interface to be filled.</param>
/// <param name="source">The <see cref="XPathNavigator"/> to extract Atom common attribute information from.</param>
/// <returns><b>true</b> if the <paramref name="target"/> was initialized using the supplied <paramref name="source"/>, otherwise <b>false</b>.</returns>
/// <exception cref="ArgumentNullException">The <paramref name="target"/> 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>
public static bool FillCommonObjectAttributes(IAtomCommonObjectAttributes target, XPathNavigator source)
{
//------------------------------------------------------------
// Local members
//------------------------------------------------------------
bool wasLoaded = false;
//------------------------------------------------------------
// Validate parameter
//------------------------------------------------------------
Guard.ArgumentNotNull(target, "target");
Guard.ArgumentNotNull(source, "source");
//------------------------------------------------------------
// Initialize XML namespace resolver
//------------------------------------------------------------
XmlNamespaceManager manager = AtomUtility.CreateNamespaceManager(source.NameTable);
//------------------------------------------------------------
// Attempt to extract xml:base attribute information
//------------------------------------------------------------
string xmlBaseAttribute = source.GetAttribute("base", manager.LookupNamespace("xml"));
if (!String.IsNullOrEmpty(xmlBaseAttribute))
{
Uri baseUri;
if (Uri.TryCreate(xmlBaseAttribute, UriKind.RelativeOrAbsolute, out baseUri))
{
target.BaseUri = baseUri;
wasLoaded = true;
}
}
//------------------------------------------------------------
// Attempt to extract xml:lang attribute information
//------------------------------------------------------------
string xmlLangAttribute = source.GetAttribute("lang", manager.LookupNamespace("xml"));
if (!String.IsNullOrEmpty(xmlLangAttribute))
{
try
{
CultureInfo language = new CultureInfo(source.XmlLang);
target.Language = language;
wasLoaded = true;
}
catch (ArgumentException)
{
System.Diagnostics.Trace.TraceWarning("Unable to determine CultureInfo with a name of {0}.", source.XmlLang);
}
}
return(wasLoaded);
}
//============================================================
// PUBLIC METHODS
//============================================================
#region Load(XPathNavigator source)
/// <summary>
/// Loads this <see cref="AtomContent"/> using the supplied <see cref="XPathNavigator"/>.
/// </summary>
/// <param name="source">The <see cref="XPathNavigator"/> to extract information from.</param>
/// <returns><b>true</b> if the <see cref="AtomContent"/> 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="AtomContent"/>.
/// </remarks>
/// <exception cref="ArgumentNullException">The <paramref name="source"/> is a null reference (Nothing in Visual Basic).</exception>
public bool Load(XPathNavigator source)
{
//------------------------------------------------------------
// Local members
//------------------------------------------------------------
bool wasLoaded = false;
//------------------------------------------------------------
// Validate parameter
//------------------------------------------------------------
Guard.ArgumentNotNull(source, "source");
//------------------------------------------------------------
// Initialize XML namespace resolver
//------------------------------------------------------------
XmlNamespaceManager manager = AtomUtility.CreateNamespaceManager(source.NameTable);
//------------------------------------------------------------
// Attempt to extract common attributes information
//------------------------------------------------------------
if (AtomUtility.FillCommonObjectAttributes(this, source))
{
wasLoaded = true;
}
//------------------------------------------------------------
// Attempt to extract syndication information
//------------------------------------------------------------
if (source.HasAttributes)
{
string typeAttribute = source.GetAttribute("type", String.Empty);
string sourceAttribute = source.GetAttribute("src", String.Empty);
if (!String.IsNullOrEmpty(typeAttribute))
{
this.ContentType = typeAttribute;
wasLoaded = true;
}
if (!String.IsNullOrEmpty(sourceAttribute))
{
Uri src;
if (Uri.TryCreate(sourceAttribute, UriKind.RelativeOrAbsolute, out src))
{
this.Source = src;
wasLoaded = true;
}
}
}
if (String.Compare(this.ContentType, "xhtml", StringComparison.OrdinalIgnoreCase) == 0)
{
XPathNavigator xhtmlDivNavigator = source.SelectSingleNode("xhtml:div", manager);
if (xhtmlDivNavigator != null && !String.IsNullOrEmpty(xhtmlDivNavigator.Value))
{
this.Content = xhtmlDivNavigator.InnerXml;
wasLoaded = true;
}
}
else if (!String.IsNullOrEmpty(source.Value))
{
this.Content = source.Value;
wasLoaded = true;
}
return(wasLoaded);
}
//============================================================
// PUBLIC METHODS
//============================================================
#region Load(XPathNavigator source)
/// <summary>
/// Loads this <see cref="AtomTextConstruct"/> using the supplied <see cref="XPathNavigator"/>.
/// </summary>
/// <param name="source">The <see cref="XPathNavigator"/> to extract information from.</param>
/// <returns><b>true</b> if the <see cref="AtomTextConstruct"/> 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="AtomTextConstruct"/>.
/// </remarks>
/// <exception cref="ArgumentNullException">The <paramref name="source"/> is a null reference (Nothing in Visual Basic).</exception>
public bool Load(XPathNavigator source)
{
//------------------------------------------------------------
// Local members
//------------------------------------------------------------
bool wasLoaded = false;
//------------------------------------------------------------
// Validate parameter
//------------------------------------------------------------
Guard.ArgumentNotNull(source, "source");
//------------------------------------------------------------
// Initialize XML namespace resolver
//------------------------------------------------------------
XmlNamespaceManager manager = AtomUtility.CreateNamespaceManager(source.NameTable);
//------------------------------------------------------------
// Attempt to extract common attributes information
//------------------------------------------------------------
if (AtomUtility.FillCommonObjectAttributes(this, source))
{
wasLoaded = true;
}
//------------------------------------------------------------
// Attempt to extract syndication information
//------------------------------------------------------------
if (source.HasAttributes)
{
string typeAttribute = source.GetAttribute("type", String.Empty);
if (!String.IsNullOrEmpty(typeAttribute))
{
AtomTextConstructType type = AtomTextConstruct.ConstructTypeByName(typeAttribute);
if (type != AtomTextConstructType.None)
{
this.TextType = type;
wasLoaded = true;
}
}
}
if (this.TextType == AtomTextConstructType.Xhtml)
{
XPathNavigator xhtmlDivNavigator = source.SelectSingleNode("xhtml:div", manager);
if (xhtmlDivNavigator != null && !String.IsNullOrEmpty(xhtmlDivNavigator.Value))
{
this.Content = xhtmlDivNavigator.Value;
wasLoaded = true;
}
}
else if (this.TextType == AtomTextConstructType.Html && !String.IsNullOrEmpty(source.InnerXml))
{
this.Content = source.InnerXml;
wasLoaded = true;
}
else if (!String.IsNullOrEmpty(source.Value))
{
this.Content = source.Value;
wasLoaded = true;
}
return(wasLoaded);
}
