/// <summary>
/// Loads this <see cref="BlogMLComment"/> 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="BlogMLComment"/> 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="BlogMLComment"/>.
/// </remarks>
/// <exception cref="ArgumentNullException">The <paramref name="source"/> is a null reference (Nothing in Visual Basic).</exception>
public bool Load(XPathNavigator source)
{
bool wasLoaded = false;
Guard.ArgumentNotNull(source, "source");
XmlNamespaceManager manager = BlogMLUtility.CreateNamespaceManager(source.NameTable);
if (BlogMLUtility.FillCommonObject(this, source))
{
wasLoaded = true;
}
if (source.HasAttributes)
{
string userNameAttribute = source.GetAttribute("user-name", String.Empty);
string userEmailAttribute = source.GetAttribute("user-email", String.Empty);
string userUrlAttribute = source.GetAttribute("user-url", String.Empty);
if (!String.IsNullOrEmpty(userNameAttribute))
{
this.UserName = userNameAttribute;
wasLoaded = true;
}
if (!String.IsNullOrEmpty(userEmailAttribute))
{
this.UserEmailAddress = userEmailAttribute;
wasLoaded = true;
}
if (!String.IsNullOrEmpty(userUrlAttribute))
{
Uri url;
if (Uri.TryCreate(userUrlAttribute, UriKind.RelativeOrAbsolute, out url))
{
this.UserUrl = url;
wasLoaded = true;
}
}
}
if (source.HasChildren)
{
XPathNavigator contentNavigator = source.SelectSingleNode("blog:content", manager);
if (contentNavigator != null)
{
BlogMLTextConstruct content = new BlogMLTextConstruct();
if (content.Load(contentNavigator))
{
this.Content = content;
wasLoaded = true;
}
}
}
return(wasLoaded);
}
/// <summary>
/// Modifies the <see cref="IBlogMLCommonObject"/> to match the data source.
/// </summary>
/// <param name="target">The object that implements the <see cref="IBlogMLCommonObject"/> interface to be filled.</param>
/// <param name="source">The <see cref="XPathNavigator"/> to extract BlogML common object information from.</param>
/// <param name="settings">The <see cref="SyndicationResourceLoadSettings"/> used to configure the fill operation.</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>
/// <exception cref="ArgumentNullException">The <paramref name="settings"/> is a null reference (Nothing in Visual Basic).</exception>
public static bool FillCommonObject(IBlogMLCommonObject target, XPathNavigator source, SyndicationResourceLoadSettings settings)
{
bool wasLoaded = false;
Guard.ArgumentNotNull(target, "target");
Guard.ArgumentNotNull(source, "source");
Guard.ArgumentNotNull(settings, "settings");
XmlNamespaceManager manager = BlogMLUtility.CreateNamespaceManager(source.NameTable);
if (source.HasAttributes)
{
string idAttribute = source.GetAttribute("id", String.Empty);
string dateCreatedAttribute = source.GetAttribute("date-created", String.Empty);
string dateModifiedAttribute = source.GetAttribute("date-modified", String.Empty);
string approvedAttribute = source.GetAttribute("approved", String.Empty);
if (!String.IsNullOrEmpty(idAttribute))
{
target.Id = idAttribute;
wasLoaded = true;
}
if (!String.IsNullOrEmpty(dateCreatedAttribute))
{
DateTime createdOn;
if (SyndicationDateTimeUtility.TryParseRfc3339DateTime(dateCreatedAttribute, out createdOn))
{
target.CreatedOn = createdOn;
wasLoaded = true;
}
else if (DateTime.TryParse(dateCreatedAttribute, DateTimeFormatInfo.InvariantInfo, DateTimeStyles.None, out createdOn))
{
target.CreatedOn = createdOn;
wasLoaded = true;
}
}
if (!String.IsNullOrEmpty(dateModifiedAttribute))
{
DateTime modifiedOn;
if (SyndicationDateTimeUtility.TryParseRfc3339DateTime(dateModifiedAttribute, out modifiedOn))
{
target.LastModifiedOn = modifiedOn;
wasLoaded = true;
}
else if (DateTime.TryParse(dateModifiedAttribute, DateTimeFormatInfo.InvariantInfo, DateTimeStyles.None, out modifiedOn))
{
target.LastModifiedOn = modifiedOn;
wasLoaded = true;
}
}
if (!String.IsNullOrEmpty(approvedAttribute))
{
BlogMLApprovalStatus status = BlogMLUtility.ApprovalStatusByValue(approvedAttribute);
if (status != BlogMLApprovalStatus.None)
{
target.ApprovalStatus = status;
wasLoaded = true;
}
}
}
if (source.HasChildren)
{
XPathNavigator titleNavigator = source.SelectSingleNode("blog:title", manager);
if (titleNavigator != null)
{
BlogMLTextConstruct title = new BlogMLTextConstruct();
if (title.Load(titleNavigator, settings))
{
target.Title = title;
wasLoaded = true;
}
}
}
return(wasLoaded);
}
/// <summary>
/// Loads this <see cref="ApmlApplication"/> 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="ApmlApplication"/> 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="ApmlApplication"/>.
/// </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");
//------------------------------------------------------------
// Initialize XML namespace resolver
//------------------------------------------------------------
XmlNamespaceManager manager = BlogMLUtility.CreateNamespaceManager(source.NameTable);
//------------------------------------------------------------
// Attempt to extract common attributes information
//------------------------------------------------------------
if (BlogMLUtility.FillCommonObject(this, source, settings))
{
wasLoaded = true;
}
//------------------------------------------------------------
// Attempt to extract syndication information
//------------------------------------------------------------
if (source.HasAttributes)
{
string userNameAttribute = source.GetAttribute("user-name", String.Empty);
string userEmailAttribute = source.GetAttribute("user-email", String.Empty);
string userUrlAttribute = source.GetAttribute("user-url", String.Empty);
if (!String.IsNullOrEmpty(userNameAttribute))
{
this.UserName = userNameAttribute;
wasLoaded = true;
}
if (!String.IsNullOrEmpty(userEmailAttribute))
{
this.UserEmailAddress = userEmailAttribute;
wasLoaded = true;
}
if (!String.IsNullOrEmpty(userUrlAttribute))
{
Uri url;
if (Uri.TryCreate(userUrlAttribute, UriKind.RelativeOrAbsolute, out url))
{
this.UserUrl = url;
wasLoaded = true;
}
}
}
if (source.HasChildren)
{
XPathNavigator contentNavigator = source.SelectSingleNode("blog:content", manager);
if (contentNavigator != null)
{
BlogMLTextConstruct content = new BlogMLTextConstruct();
if (content.Load(contentNavigator))
{
this.Content = content;
wasLoaded = true;
}
}
}
//------------------------------------------------------------
// Attempt to extract syndication extension information
//------------------------------------------------------------
SyndicationExtensionAdapter adapter = new SyndicationExtensionAdapter(source, settings);
adapter.Fill(this);
return(wasLoaded);
}
