/// <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);
}
