/// <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);
}
private RssItem GetItem(string filePath)
{
var file = new FileInfo(filePath);
if (!file.Exists)
return null;
string mimeType = GetMimeType(file);
string fileName = Path.GetFileNameWithoutExtension(filePath);
var uri = new Uri(GetUrl(Port, file.Name));
var item = new RssItem();
item.Title = fileName;
item.Link = uri;
item.Enclosures.Add(new RssEnclosure(file.Length, mimeType, item.Link));
var extension = new YahooMediaSyndicationExtension();
var mediaContent = new YahooMediaContent(uri);
mediaContent.FileSize = file.Length;
mediaContent.ContentType = mimeType;
extension.Context.AddContent(mediaContent);
item.AddExtension(extension);
return item;
}
//============================================================
// 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);
}
/// <summary>
/// Adds the supplied <see cref="YahooMediaContent"/> to the current instance's <see cref="Contents"/> collection.
/// </summary>
/// <param name="content">The <see cref="YahooMediaContent"/> to be added.</param>
/// <returns><b>true</b> if the <see cref="YahooMediaContent"/> was added to the <see cref="Contents"/> collection, otherwise <b>false</b>.</returns>
/// <exception cref="ArgumentNullException">The <paramref name="content"/> is a null reference (Nothing in Visual Basic).</exception>
public bool AddContent(YahooMediaContent content)
{
bool wasAdded = false;
Guard.ArgumentNotNull(content, "content");
((Collection <YahooMediaContent>) this.Contents).Add(content);
wasAdded = true;
return(wasAdded);
}
/// <summary>
/// Removes the supplied <see cref="YahooMediaContent"/> from the current instance's <see cref="Contents"/> collection.
/// </summary>
/// <param name="content">The <see cref="YahooMediaContent"/> to be removed.</param>
/// <returns><b>true</b> if the <see cref="YahooMediaContent"/> was removed from the <see cref="Contents"/> collection, otherwise <b>false</b>.</returns>
/// <remarks>
/// If the <see cref="Contents"/> collection of the current instance does not contain the specified <see cref="YahooMediaContent"/>, will return <b>false</b>.
/// </remarks>
/// <exception cref="ArgumentNullException">The <paramref name="content"/> is a null reference (Nothing in Visual Basic).</exception>
public bool RemoveContent(YahooMediaContent content)
{
bool wasRemoved = false;
Guard.ArgumentNotNull(content, "content");
if (((Collection <YahooMediaContent>) this.Contents).Contains(content))
{
((Collection <YahooMediaContent>) this.Contents).Remove(content);
wasRemoved = true;
}
return(wasRemoved);
}
//============================================================
// 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);
}
//============================================================
// UTILITY METHODS
//============================================================
#region AddContent(YahooMediaContent content)
/// <summary>
/// Adds the supplied <see cref="YahooMediaContent"/> to the current instance's <see cref="Contents"/> collection.
/// </summary>
/// <param name="content">The <see cref="YahooMediaContent"/> to be added.</param>
/// <returns><b>true</b> if the <see cref="YahooMediaContent"/> was added to the <see cref="Contents"/> collection, otherwise <b>false</b>.</returns>
/// <exception cref="ArgumentNullException">The <paramref name="content"/> is a null reference (Nothing in Visual Basic).</exception>
public bool AddContent(YahooMediaContent content)
{
//------------------------------------------------------------
// Local members
//------------------------------------------------------------
bool wasAdded = false;
//------------------------------------------------------------
// Validate parameter
//------------------------------------------------------------
Guard.ArgumentNotNull(content, "content");
//------------------------------------------------------------
// Add media object to collection
//------------------------------------------------------------
((Collection <YahooMediaContent>) this.Contents).Add(content);
wasAdded = true;
return(wasAdded);
}
/// <summary>
/// Compares the current instance with another object of the same type.
/// </summary>
/// <param name="obj">An object to compare with this instance.</param>
/// <returns>A 32-bit signed integer that indicates the relative order of the objects being compared.</returns>
/// <exception cref="ArgumentException">The <paramref name="obj"/> is not the expected <see cref="Type"/>.</exception>
public int CompareTo(object obj)
{
if (obj == null)
{
return(1);
}
YahooMediaContent value = obj as YahooMediaContent;
if (value != null)
{
int result = this.Bitrate.CompareTo(value.Bitrate);
result = result | this.Channels.CompareTo(value.Channels);
result = result | String.Compare(this.ContentType, value.ContentType, StringComparison.OrdinalIgnoreCase);
result = result | this.Duration.CompareTo(value.Duration);
result = result | this.Expression.CompareTo(value.Expression);
result = result | this.FileSize.CompareTo(value.FileSize);
result = result | this.FrameRate.CompareTo(value.FrameRate);
result = result | this.Height.CompareTo(value.Height);
result = result | this.IsDefault.CompareTo(value.IsDefault);
string sourceLanguageName = this.Language != null ? this.Language.Name : String.Empty;
string targetLanguageName = value.Language != null ? value.Language.Name : String.Empty;
result = result | String.Compare(sourceLanguageName, targetLanguageName, StringComparison.OrdinalIgnoreCase);
result = result | this.Medium.CompareTo(value.Medium);
result = result | this.SamplingRate.CompareTo(value.SamplingRate);
result = result | Uri.Compare(this.Url, value.Url, UriComponents.AbsoluteUri, UriFormat.SafeUnescaped, StringComparison.OrdinalIgnoreCase);
result = result | this.Width.CompareTo(value.Width);
result = result | YahooMediaUtility.CompareCommonObjectEntities(this, value);
return(result);
}
else
{
throw new ArgumentException(String.Format(null, "obj is not of type {0}, type was found to be '{1}'.", this.GetType().FullName, obj.GetType().FullName), "obj");
}
}
/// <summary>
/// Removes the supplied <see cref="YahooMediaContent"/> from the current instance's <see cref="Contents"/> collection.
/// </summary>
/// <param name="content">The <see cref="YahooMediaContent"/> to be removed.</param>
/// <returns><b>true</b> if the <see cref="YahooMediaContent"/> was removed from the <see cref="Contents"/> collection, otherwise <b>false</b>.</returns>
/// <remarks>
/// If the <see cref="Contents"/> collection of the current instance does not contain the specified <see cref="YahooMediaContent"/>, will return <b>false</b>.
/// </remarks>
/// <exception cref="ArgumentNullException">The <paramref name="content"/> is a null reference (Nothing in Visual Basic).</exception>
public bool RemoveContent(YahooMediaContent content)
{
//------------------------------------------------------------
// Local members
//------------------------------------------------------------
bool wasRemoved = false;
//------------------------------------------------------------
// Validate parameter
//------------------------------------------------------------
Guard.ArgumentNotNull(content, "content");
//------------------------------------------------------------
// Remove media object from collection
//------------------------------------------------------------
if (((Collection <YahooMediaContent>) this.Contents).Contains(content))
{
((Collection <YahooMediaContent>) this.Contents).Remove(content);
wasRemoved = true;
}
return(wasRemoved);
}
/// <summary>
/// Removes the supplied <see cref="YahooMediaContent"/> from the current instance's <see cref="Contents"/> collection.
/// </summary>
/// <param name="content">The <see cref="YahooMediaContent"/> to be removed.</param>
/// <returns><b>true</b> if the <see cref="YahooMediaContent"/> was removed from the <see cref="Contents"/> collection, otherwise <b>false</b>.</returns>
/// <remarks>
/// If the <see cref="Contents"/> collection of the current instance does not contain the specified <see cref="YahooMediaContent"/>, will return <b>false</b>.
/// </remarks>
/// <exception cref="ArgumentNullException">The <paramref name="content"/> is a null reference (Nothing in Visual Basic).</exception>
public bool RemoveContent(YahooMediaContent content)
{
//------------------------------------------------------------
// Local members
//------------------------------------------------------------
bool wasRemoved = false;
//------------------------------------------------------------
// Validate parameter
//------------------------------------------------------------
Guard.ArgumentNotNull(content, "content");
//------------------------------------------------------------
// Remove media object from collection
//------------------------------------------------------------
if (((Collection<YahooMediaContent>)this.Contents).Contains(content))
{
((Collection<YahooMediaContent>)this.Contents).Remove(content);
wasRemoved = true;
}
return wasRemoved;
}
/// <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;
}
/// <summary>
/// Adds the supplied <see cref="YahooMediaContent"/> to the current instance's <see cref="Contents"/> collection.
/// </summary>
/// <param name="content">The <see cref="YahooMediaContent"/> to be added.</param>
/// <returns><b>true</b> if the <see cref="YahooMediaContent"/> was added to the <see cref="Contents"/> collection, otherwise <b>false</b>.</returns>
/// <exception cref="ArgumentNullException">The <paramref name="content"/> is a null reference (Nothing in Visual Basic).</exception>
public bool AddContent(YahooMediaContent content)
{
//------------------------------------------------------------
// Local members
//------------------------------------------------------------
bool wasAdded = false;
//------------------------------------------------------------
// Validate parameter
//------------------------------------------------------------
Guard.ArgumentNotNull(content, "content");
//------------------------------------------------------------
// Add media object to collection
//------------------------------------------------------------
((Collection<YahooMediaContent>)this.Contents).Add(content);
wasAdded = true;
return wasAdded;
}
/// <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;
}
