/// <summary>
/// Saves the current <see cref="YahooMediaRestriction"/> to the specified <see cref="XmlWriter"/>.
/// </summary>
/// <param name="writer">The <see cref="XmlWriter"/> to which you want to save.</param>
/// <exception cref="ArgumentNullException">The <paramref name="writer"/> is a null reference (Nothing in Visual Basic).</exception>
public void WriteTo(XmlWriter writer)
{
Guard.ArgumentNotNull(writer, "writer");
YahooMediaSyndicationExtension extension = new YahooMediaSyndicationExtension();
writer.WriteStartElement("restriction", extension.XmlNamespace);
if (this.Relationship != YahooMediaRestrictionRelationship.None)
{
writer.WriteAttributeString("relationship", YahooMediaRestriction.RelationshipAsString(this.Relationship));
}
if (this.EntityType != YahooMediaRestrictionType.None)
{
writer.WriteAttributeString("type", YahooMediaRestriction.RestrictionTypeAsString(this.EntityType));
}
if (this.Entities.Count > 0)
{
string[] entities = new string[this.Entities.Count];
this.Entities.CopyTo(entities, 0);
writer.WriteString(String.Join(" ", entities));
}
writer.WriteEndElement();
}
//============================================================
// ICOMPARABLE IMPLEMENTATION
//============================================================
#region CompareTo(object obj)
/// <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 target is a null reference, instance is greater
//------------------------------------------------------------
if (obj == null)
{
return(1);
}
//------------------------------------------------------------
// Determine comparison result using property state of objects
//------------------------------------------------------------
YahooMediaRestriction value = obj as YahooMediaRestriction;
if (value != null)
{
int result = ComparisonUtility.CompareSequence(this.Entities, value.Entities, StringComparison.Ordinal);
result = result | this.EntityType.CompareTo(value.EntityType);
result = result | this.Relationship.CompareTo(value.Relationship);
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>
/// Modifies the secondary collections of a <see cref="IYahooMediaCommonObjectEntities"/> to match the data source.
/// </summary>
/// <param name="target">The object that implements the <see cref="IYahooMediaCommonObjectEntities"/> interface to be filled.</param>
/// <param name="source">The <see cref="XPathNavigator"/> to extract Yahoo media common entity information from.</param>
/// <param name="manager">The <see cref="XmlNamespaceManager"/> object used to resolve prefixed Yahoo media elements and attributes.</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="manager"/> is a null reference (Nothing in Visual Basic).</exception>
private static bool FillCommonObjectEntityCollectionsSecondary(IYahooMediaCommonObjectEntities target, XPathNavigator source, XmlNamespaceManager manager)
{
bool wasLoaded = false;
Guard.ArgumentNotNull(target, "target");
Guard.ArgumentNotNull(source, "source");
Guard.ArgumentNotNull(manager, "manager");
if (source.HasChildren)
{
XPathNodeIterator hashIterator = source.Select("media:hash", manager);
XPathNodeIterator restrictionIterator = source.Select("media:restriction", manager);
XPathNodeIterator textIterator = source.Select("media:text", manager);
if (hashIterator != null && hashIterator.Count > 0)
{
while (hashIterator.MoveNext())
{
YahooMediaHash hash = new YahooMediaHash();
if (hash.Load(hashIterator.Current))
{
target.Hashes.Add(hash);
wasLoaded = true;
}
}
}
if (restrictionIterator != null && restrictionIterator.Count > 0)
{
while (restrictionIterator.MoveNext())
{
YahooMediaRestriction restriction = new YahooMediaRestriction();
if (restriction.Load(restrictionIterator.Current))
{
target.Restrictions.Add(restriction);
wasLoaded = true;
}
}
}
if (textIterator != null && textIterator.Count > 0)
{
while (textIterator.MoveNext())
{
YahooMediaText text = new YahooMediaText();
if (text.Load(textIterator.Current))
{
target.TextSeries.Add(text);
wasLoaded = true;
}
}
}
}
return(wasLoaded);
}
/// <summary>
/// Loads this <see cref="YahooMediaRestriction"/> 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="YahooMediaRestriction"/> 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="YahooMediaRestriction"/>.
/// </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");
if (source.HasAttributes)
{
string relationshipAttribute = source.GetAttribute("relationship", String.Empty);
string typeAttribute = source.GetAttribute("type", String.Empty);
if (!String.IsNullOrEmpty(relationshipAttribute))
{
YahooMediaRestrictionRelationship relationship = YahooMediaRestriction.RelationshipByName(relationshipAttribute);
if (relationship != YahooMediaRestrictionRelationship.None)
{
this.Relationship = relationship;
wasLoaded = true;
}
}
if (!String.IsNullOrEmpty(typeAttribute))
{
YahooMediaRestrictionType type = YahooMediaRestriction.RestrictionTypeByName(typeAttribute);
if (type != YahooMediaRestrictionType.None)
{
this.EntityType = type;
wasLoaded = true;
}
}
}
if (!String.IsNullOrEmpty(source.Value))
{
if (source.Value.Contains(" "))
{
string[] entities = source.Value.Split(" ".ToCharArray(), StringSplitOptions.RemoveEmptyEntries);
if (entities.Length > 0)
{
foreach (string entity in entities)
{
this.Entities.Add(entity);
}
wasLoaded = true;
}
}
else
{
this.Entities.Add(source.Value);
wasLoaded = true;
}
}
return(wasLoaded);
}
/// <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);
}
YahooMediaRestriction value = obj as YahooMediaRestriction;
if (value != null)
{
int result = ComparisonUtility.CompareSequence(this.Entities, value.Entities, StringComparison.Ordinal);
result = result | this.EntityType.CompareTo(value.EntityType);
result = result | this.Relationship.CompareTo(value.Relationship);
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>
/// Saves the current <see cref="YahooMediaRestriction"/> to the specified <see cref="XmlWriter"/>.
/// </summary>
/// <param name="writer">The <see cref="XmlWriter"/> to which you want to save.</param>
/// <exception cref="ArgumentNullException">The <paramref name="writer"/> is a null reference (Nothing in Visual Basic).</exception>
public void WriteTo(XmlWriter writer)
{
//------------------------------------------------------------
// Validate parameter
//------------------------------------------------------------
Guard.ArgumentNotNull(writer, "writer");
//------------------------------------------------------------
// Create extension instance to retrieve XML namespace
//------------------------------------------------------------
YahooMediaSyndicationExtension extension = new YahooMediaSyndicationExtension();
//------------------------------------------------------------
// Write XML representation of the current instance
//------------------------------------------------------------
writer.WriteStartElement("restriction", extension.XmlNamespace);
if (this.Relationship != YahooMediaRestrictionRelationship.None)
{
writer.WriteAttributeString("relationship", YahooMediaRestriction.RelationshipAsString(this.Relationship));
}
if (this.EntityType != YahooMediaRestrictionType.None)
{
writer.WriteAttributeString("type", YahooMediaRestriction.RestrictionTypeAsString(this.EntityType));
}
if (this.Entities.Count > 0)
{
string[] entities = new string[this.Entities.Count];
this.Entities.CopyTo(entities, 0);
writer.WriteString(String.Join(" ", entities));
}
writer.WriteEndElement();
}
/// <summary>
/// Modifies the secondary collections of a <see cref="IYahooMediaCommonObjectEntities"/> to match the data source.
/// </summary>
/// <param name="target">The object that implements the <see cref="IYahooMediaCommonObjectEntities"/> interface to be filled.</param>
/// <param name="source">The <see cref="XPathNavigator"/> to extract Yahoo media common entity information from.</param>
/// <param name="manager">The <see cref="XmlNamespaceManager"/> object used to resolve prefixed Yahoo media elements and attributes.</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="manager"/> is a null reference (Nothing in Visual Basic).</exception>
private static bool FillCommonObjectEntityCollectionsSecondary(IYahooMediaCommonObjectEntities target, XPathNavigator source, XmlNamespaceManager manager)
{
//------------------------------------------------------------
// Local members
//------------------------------------------------------------
bool wasLoaded = false;
//------------------------------------------------------------
// Validate parameter
//------------------------------------------------------------
Guard.ArgumentNotNull(target, "target");
Guard.ArgumentNotNull(source, "source");
Guard.ArgumentNotNull(manager, "manager");
//------------------------------------------------------------
// Attempt to extract common entity information
//------------------------------------------------------------
if(source.HasChildren)
{
XPathNodeIterator hashIterator = source.Select("media:hash", manager);
XPathNodeIterator restrictionIterator = source.Select("media:restriction", manager);
XPathNodeIterator textIterator = source.Select("media:text", manager);
if (hashIterator != null && hashIterator.Count > 0)
{
while (hashIterator.MoveNext())
{
YahooMediaHash hash = new YahooMediaHash();
if (hash.Load(hashIterator.Current))
{
target.Hashes.Add(hash);
wasLoaded = true;
}
}
}
if (restrictionIterator != null && restrictionIterator.Count > 0)
{
while (restrictionIterator.MoveNext())
{
YahooMediaRestriction restriction = new YahooMediaRestriction();
if (restriction.Load(restrictionIterator.Current))
{
target.Restrictions.Add(restriction);
wasLoaded = true;
}
}
}
if (textIterator != null && textIterator.Count > 0)
{
while (textIterator.MoveNext())
{
YahooMediaText text = new YahooMediaText();
if (text.Load(textIterator.Current))
{
target.TextSeries.Add(text);
wasLoaded = true;
}
}
}
}
return wasLoaded;
}
