/// <summary>
/// Loads this <see cref="ApmlSource"/> 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="ApmlSource"/> 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="ApmlSource"/>.
/// </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 = ApmlUtility.CreateNamespaceManager(source.NameTable);
//------------------------------------------------------------
// Attempt to extract syndication information
//------------------------------------------------------------
if (source.HasAttributes)
{
string keyAttribute = source.GetAttribute("key", String.Empty);
string nameAttribute = source.GetAttribute("name", String.Empty);
string valueAttribute = source.GetAttribute("value", String.Empty);
string typeAttribute = source.GetAttribute("type", String.Empty);
string fromAttribute = source.GetAttribute("from", String.Empty);
string updatedAttribute = source.GetAttribute("updated", String.Empty);
if (!String.IsNullOrEmpty(keyAttribute))
{
this.Key = keyAttribute;
wasLoaded = true;
}
if (!String.IsNullOrEmpty(nameAttribute))
{
this.Name = nameAttribute;
wasLoaded = true;
}
if (!String.IsNullOrEmpty(valueAttribute))
{
decimal value;
if (Decimal.TryParse(valueAttribute, System.Globalization.NumberStyles.Float, System.Globalization.NumberFormatInfo.InvariantInfo, out value))
{
if (value >= Decimal.MinusOne && value <= Decimal.One)
{
this.Value = value;
wasLoaded = true;
}
}
}
if (!String.IsNullOrEmpty(typeAttribute))
{
this.MimeType = typeAttribute;
wasLoaded = true;
}
if (!String.IsNullOrEmpty(fromAttribute))
{
this.From = fromAttribute;
wasLoaded = true;
}
if (!String.IsNullOrEmpty(updatedAttribute))
{
DateTime updatedOn;
if (SyndicationDateTimeUtility.TryParseRfc3339DateTime(updatedAttribute, out updatedOn))
{
this.UpdatedOn = updatedOn;
wasLoaded = true;
}
}
}
if (source.HasChildren)
{
XPathNodeIterator authorIterator = source.Select("apml:Author", manager);
if (authorIterator != null && authorIterator.Count > 0)
{
while (authorIterator.MoveNext())
{
ApmlAuthor author = new ApmlAuthor();
if (author.Load(authorIterator.Current, settings))
{
this.Authors.Add(author);
wasLoaded = true;
}
}
}
}
//------------------------------------------------------------
// Attempt to extract syndication extension information
//------------------------------------------------------------
SyndicationExtensionAdapter adapter = new SyndicationExtensionAdapter(source, settings);
adapter.Fill(this);
return wasLoaded;
}
/// <summary>
/// Loads this <see cref="ApmlSource"/> 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="ApmlSource"/> 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="ApmlSource"/>.
/// </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 = ApmlUtility.CreateNamespaceManager(source.NameTable);
//------------------------------------------------------------
// Attempt to extract syndication information
//------------------------------------------------------------
if (source.HasAttributes)
{
string keyAttribute = source.GetAttribute("key", String.Empty);
string nameAttribute = source.GetAttribute("name", String.Empty);
string valueAttribute = source.GetAttribute("value", String.Empty);
string typeAttribute = source.GetAttribute("type", String.Empty);
string fromAttribute = source.GetAttribute("from", String.Empty);
string updatedAttribute = source.GetAttribute("updated", String.Empty);
if (!String.IsNullOrEmpty(keyAttribute))
{
this.Key = keyAttribute;
wasLoaded = true;
}
if (!String.IsNullOrEmpty(nameAttribute))
{
this.Name = nameAttribute;
wasLoaded = true;
}
if (!String.IsNullOrEmpty(valueAttribute))
{
decimal value;
if (Decimal.TryParse(valueAttribute, System.Globalization.NumberStyles.Float, System.Globalization.NumberFormatInfo.InvariantInfo, out value))
{
if (value >= Decimal.MinusOne && value <= Decimal.One)
{
this.Value = value;
wasLoaded = true;
}
}
}
if (!String.IsNullOrEmpty(typeAttribute))
{
this.MimeType = typeAttribute;
wasLoaded = true;
}
if (!String.IsNullOrEmpty(fromAttribute))
{
this.From = fromAttribute;
wasLoaded = true;
}
if (!String.IsNullOrEmpty(updatedAttribute))
{
DateTime updatedOn;
if (SyndicationDateTimeUtility.TryParseRfc3339DateTime(updatedAttribute, out updatedOn))
{
this.UpdatedOn = updatedOn;
wasLoaded = true;
}
}
}
if (source.HasChildren)
{
XPathNodeIterator authorIterator = source.Select("apml:Author", manager);
if (authorIterator != null && authorIterator.Count > 0)
{
while (authorIterator.MoveNext())
{
ApmlAuthor author = new ApmlAuthor();
if (author.Load(authorIterator.Current, settings))
{
this.Authors.Add(author);
wasLoaded = true;
}
}
}
}
//------------------------------------------------------------
// Attempt to extract syndication extension information
//------------------------------------------------------------
SyndicationExtensionAdapter adapter = new SyndicationExtensionAdapter(source, settings);
adapter.Fill(this);
return(wasLoaded);
}
/// <summary>
/// Loads this <see cref="ApmlSource"/> 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="ApmlSource"/> 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="ApmlSource"/>.
/// </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 = ApmlUtility.CreateNamespaceManager(source.NameTable);
if (source.HasAttributes)
{
string keyAttribute = source.GetAttribute("key", String.Empty);
string nameAttribute = source.GetAttribute("name", String.Empty);
string valueAttribute = source.GetAttribute("value", String.Empty);
string typeAttribute = source.GetAttribute("type", String.Empty);
string fromAttribute = source.GetAttribute("from", String.Empty);
string updatedAttribute = source.GetAttribute("updated", String.Empty);
if (!String.IsNullOrEmpty(keyAttribute))
{
this.Key = keyAttribute;
wasLoaded = true;
}
if (!String.IsNullOrEmpty(nameAttribute))
{
this.Name = nameAttribute;
wasLoaded = true;
}
if (!String.IsNullOrEmpty(valueAttribute))
{
decimal value;
if (Decimal.TryParse(valueAttribute, System.Globalization.NumberStyles.Float, System.Globalization.NumberFormatInfo.InvariantInfo, out value))
{
if (value >= Decimal.MinusOne && value <= Decimal.One)
{
this.Value = value;
wasLoaded = true;
}
}
}
if (!String.IsNullOrEmpty(typeAttribute))
{
this.MimeType = typeAttribute;
wasLoaded = true;
}
if (!String.IsNullOrEmpty(fromAttribute))
{
this.From = fromAttribute;
wasLoaded = true;
}
if (!String.IsNullOrEmpty(updatedAttribute))
{
DateTime updatedOn;
if (SyndicationDateTimeUtility.TryParseRfc3339DateTime(updatedAttribute, out updatedOn))
{
this.UpdatedOn = updatedOn;
wasLoaded = true;
}
}
}
if (source.HasChildren)
{
XPathNodeIterator authorIterator = source.Select("apml:Author", manager);
if (authorIterator != null && authorIterator.Count > 0)
{
while (authorIterator.MoveNext())
{
ApmlAuthor author = new ApmlAuthor();
if (author.Load(authorIterator.Current))
{
this.Authors.Add(author);
wasLoaded = true;
}
}
}
}
return(wasLoaded);
}