/// <summary>
/// Loads this <see cref="YahooMediaGroup"/> 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="YahooMediaGroup"/> 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="YahooMediaGroup"/>.
/// </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");
YahooMediaSyndicationExtension extension = new YahooMediaSyndicationExtension();
XmlNamespaceManager manager = extension.CreateNamespaceManager(source);
if (source.HasChildren)
{
XPathNodeIterator contentIterator = source.Select("media:content", manager);
if (contentIterator != null && contentIterator.Count > 0)
{
while (contentIterator.MoveNext())
{
YahooMediaContent content = new YahooMediaContent();
if (content.Load(contentIterator.Current))
{
this.Contents.Add(content);
wasLoaded = true;
}
}
}
}
if (YahooMediaUtility.FillCommonObjectEntities(this, source))
{
wasLoaded = true;
}
return(wasLoaded);
}
//============================================================
// PUBLIC METHODS
//============================================================
#region Load(XPathNavigator source, XmlNamespaceManager manager)
/// <summary>
/// Initializes the syndication extension context using the supplied <see cref="XPathNavigator"/>.
/// </summary>
/// <param name="source">The <b>XPathNavigator</b> used to load this <see cref="YahooMediaSyndicationExtensionContext"/>.</param>
/// <param name="manager">The <see cref="XmlNamespaceManager"/> object used to resolve prefixed syndication extension elements and attributes.</param>
/// <returns><b>true</b> if the <see cref="YahooMediaSyndicationExtensionContext"/> was able to be initialized using the supplied <paramref name="source"/>; otherwise <b>false</b>.</returns>
/// <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>
public bool Load(XPathNavigator source, XmlNamespaceManager manager)
{
//------------------------------------------------------------
// Local members
//------------------------------------------------------------
bool wasLoaded = false;
//------------------------------------------------------------
// Validate parameter
//------------------------------------------------------------
Guard.ArgumentNotNull(source, "source");
Guard.ArgumentNotNull(manager, "manager");
//------------------------------------------------------------
// Attempt to extract syndication extension information
//------------------------------------------------------------
if (source.HasChildren)
{
XPathNodeIterator contentIterator = source.Select("media:content", manager);
XPathNodeIterator groupIterator = source.Select("media:group", manager);
if (contentIterator != null && contentIterator.Count > 0)
{
while (contentIterator.MoveNext())
{
YahooMediaContent content = new YahooMediaContent();
if (content.Load(contentIterator.Current))
{
this.AddContent(content);
wasLoaded = true;
}
}
}
if (groupIterator != null && groupIterator.Count > 0)
{
while (groupIterator.MoveNext())
{
YahooMediaGroup group = new YahooMediaGroup();
if (group.Load(groupIterator.Current))
{
this.AddGroup(group);
wasLoaded = true;
}
}
}
}
if (YahooMediaUtility.FillCommonObjectEntities(this, source))
{
wasLoaded = true;
}
return(wasLoaded);
}
//============================================================
// PUBLIC METHODS
//============================================================
#region Load(XPathNavigator source)
/// <summary>
/// Loads this <see cref="YahooMediaGroup"/> 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="YahooMediaGroup"/> 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="YahooMediaGroup"/>.
/// </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
//------------------------------------------------------------
YahooMediaSyndicationExtension extension = new YahooMediaSyndicationExtension();
XmlNamespaceManager manager = extension.CreateNamespaceManager(source);
//------------------------------------------------------------
// Attempt to extract syndication information
//------------------------------------------------------------
if (source.HasChildren)
{
XPathNodeIterator contentIterator = source.Select("media:content", manager);
if (contentIterator != null && contentIterator.Count > 0)
{
while (contentIterator.MoveNext())
{
YahooMediaContent content = new YahooMediaContent();
if (content.Load(contentIterator.Current))
{
this.Contents.Add(content);
wasLoaded = true;
}
}
}
}
if (YahooMediaUtility.FillCommonObjectEntities(this, source))
{
wasLoaded = true;
}
return(wasLoaded);
}
/// <summary>
/// Initializes the syndication extension context using the supplied <see cref="XPathNavigator"/>.
/// </summary>
/// <param name="source">The <b>XPathNavigator</b> used to load this <see cref="YahooMediaSyndicationExtensionContext"/>.</param>
/// <param name="manager">The <see cref="XmlNamespaceManager"/> object used to resolve prefixed syndication extension elements and attributes.</param>
/// <returns><b>true</b> if the <see cref="YahooMediaSyndicationExtensionContext"/> was able to be initialized using the supplied <paramref name="source"/>; otherwise <b>false</b>.</returns>
/// <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>
public bool Load(XPathNavigator source, XmlNamespaceManager manager)
{
bool wasLoaded = false;
Guard.ArgumentNotNull(source, "source");
Guard.ArgumentNotNull(manager, "manager");
if (source.HasChildren)
{
XPathNodeIterator contentIterator = source.Select("media:content", manager);
XPathNodeIterator groupIterator = source.Select("media:group", manager);
if (contentIterator != null && contentIterator.Count > 0)
{
while (contentIterator.MoveNext())
{
YahooMediaContent content = new YahooMediaContent();
if (content.Load(contentIterator.Current))
{
this.AddContent(content);
wasLoaded = true;
}
}
}
if (groupIterator != null && groupIterator.Count > 0)
{
while (groupIterator.MoveNext())
{
YahooMediaGroup group = new YahooMediaGroup();
if (group.Load(groupIterator.Current))
{
this.AddGroup(group);
wasLoaded = true;
}
}
}
}
if (YahooMediaUtility.FillCommonObjectEntities(this, source))
{
wasLoaded = true;
}
return(wasLoaded);
}
/// <summary>
/// Loads this <see cref="YahooMediaContent"/> 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="YahooMediaContent"/> 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="YahooMediaContent"/>.
/// </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");
wasLoaded = this.LoadPrimary(source);
if (this.LoadSecondary(source))
{
wasLoaded = true;
}
if (YahooMediaUtility.FillCommonObjectEntities(this, source))
{
wasLoaded = true;
}
return(wasLoaded);
}
