//============================================================
// 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
//------------------------------------------------------------
FeedSynchronizationRelatedInformation value = obj as FeedSynchronizationRelatedInformation;
if (value != null)
{
int result = Uri.Compare(this.Link, value.Link, UriComponents.AbsoluteUri, UriFormat.SafeUnescaped, StringComparison.OrdinalIgnoreCase);
result = result | String.Compare(this.Title, value.Title, StringComparison.OrdinalIgnoreCase);
result = result | this.RelationType.CompareTo(value.RelationType);
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="FeedSynchronizationRelatedInformation"/> 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
//------------------------------------------------------------
FeedSynchronizationSyndicationExtension extension = new FeedSynchronizationSyndicationExtension();
//------------------------------------------------------------
// Write XML representation of the current instance
//------------------------------------------------------------
writer.WriteStartElement("related", extension.XmlNamespace);
writer.WriteAttributeString("link", extension.XmlNamespace, this.Link != null ? this.Link.ToString() : String.Empty);
if (!String.IsNullOrEmpty(this.Title))
{
writer.WriteAttributeString("title", extension.XmlNamespace, this.Title);
}
writer.WriteAttributeString("type", extension.XmlNamespace, FeedSynchronizationRelatedInformation.RelationTypeAsString(this.RelationType));
writer.WriteEndElement();
}
/// <summary>
/// Loads this <see cref="FeedSynchronizationSharingInformation"/> 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="FeedSynchronizationSharingInformation"/> 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="FeedSynchronizationSharingInformation"/>.
/// </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");
FeedSynchronizationSyndicationExtension extension = new FeedSynchronizationSyndicationExtension();
XmlNamespaceManager manager = extension.CreateNamespaceManager(source);
if (source.HasAttributes)
{
string sinceAttribute = source.GetAttribute("since", String.Empty);
string untilAttribute = source.GetAttribute("until", String.Empty);
string expiresAttribute = source.GetAttribute("expires", String.Empty);
if (!String.IsNullOrEmpty(sinceAttribute))
{
this.Since = sinceAttribute;
wasLoaded = true;
}
if (!String.IsNullOrEmpty(untilAttribute))
{
this.Until = untilAttribute;
wasLoaded = true;
}
if (!String.IsNullOrEmpty(expiresAttribute))
{
DateTime expiresOn;
if (SyndicationDateTimeUtility.TryParseRfc3339DateTime(expiresAttribute, out expiresOn))
{
this.ExpiresOn = expiresOn;
wasLoaded = true;
}
}
}
if (source.HasChildren)
{
XPathNodeIterator relatedIterator = source.Select("sx:related", manager);
if (relatedIterator != null && relatedIterator.Count > 0)
{
while (relatedIterator.MoveNext())
{
FeedSynchronizationRelatedInformation relation = new FeedSynchronizationRelatedInformation();
if (relation.Load(relatedIterator.Current))
{
this.Relations.Add(relation);
wasLoaded = true;
}
}
}
}
return(wasLoaded);
}
//============================================================
// PUBLIC METHODS
//============================================================
#region Load(XPathNavigator source)
/// <summary>
/// Loads this <see cref="FeedSynchronizationRelatedInformation"/> 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="FeedSynchronizationRelatedInformation"/> 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="FeedSynchronizationRelatedInformation"/>.
/// </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");
//------------------------------------------------------------
// Attempt to extract syndication information
//------------------------------------------------------------
if (source.HasAttributes)
{
string linkAttribute = source.GetAttribute("link", String.Empty);
string titleAttribute = source.GetAttribute("title", String.Empty);
string typeAttribute = source.GetAttribute("type", String.Empty);
if (!String.IsNullOrEmpty(linkAttribute))
{
Uri link;
if (Uri.TryCreate(linkAttribute, UriKind.Absolute, out link))
{
this.Link = link;
wasLoaded = true;
}
}
if (!String.IsNullOrEmpty(titleAttribute))
{
this.Title = titleAttribute;
wasLoaded = true;
}
if (!String.IsNullOrEmpty(typeAttribute))
{
FeedSynchronizationRelatedInformationType type = FeedSynchronizationRelatedInformation.RelationTypeByName(typeAttribute);
if (type != FeedSynchronizationRelatedInformationType.None)
{
this.RelationType = type;
wasLoaded = true;
}
}
}
return(wasLoaded);
}
/// <summary>
/// Saves the current <see cref="FeedSynchronizationRelatedInformation"/> 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");
FeedSynchronizationSyndicationExtension extension = new FeedSynchronizationSyndicationExtension();
writer.WriteStartElement("related", extension.XmlNamespace);
writer.WriteAttributeString("link", extension.XmlNamespace, this.Link != null ? this.Link.ToString() : String.Empty);
if (!String.IsNullOrEmpty(this.Title))
{
writer.WriteAttributeString("title", extension.XmlNamespace, this.Title);
}
writer.WriteAttributeString("type", extension.XmlNamespace, FeedSynchronizationRelatedInformation.RelationTypeAsString(this.RelationType));
writer.WriteEndElement();
}
/// <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);
}
FeedSynchronizationRelatedInformation value = obj as FeedSynchronizationRelatedInformation;
if (value != null)
{
int result = Uri.Compare(this.Link, value.Link, UriComponents.AbsoluteUri, UriFormat.SafeUnescaped, StringComparison.OrdinalIgnoreCase);
result = result | String.Compare(this.Title, value.Title, StringComparison.OrdinalIgnoreCase);
result = result | this.RelationType.CompareTo(value.RelationType);
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>
/// Loads this <see cref="FeedSynchronizationSharingInformation"/> 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="FeedSynchronizationSharingInformation"/> 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="FeedSynchronizationSharingInformation"/>.
/// </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");
//------------------------------------------------------------
// Create namespace manager to resolve prefixed elements
//------------------------------------------------------------
FeedSynchronizationSyndicationExtension extension = new FeedSynchronizationSyndicationExtension();
XmlNamespaceManager manager = extension.CreateNamespaceManager(source);
//------------------------------------------------------------
// Attempt to extract syndication information
//------------------------------------------------------------
if (source.HasAttributes)
{
string sinceAttribute = source.GetAttribute("since", String.Empty);
string untilAttribute = source.GetAttribute("until", String.Empty);
string expiresAttribute = source.GetAttribute("expires", String.Empty);
if (!String.IsNullOrEmpty(sinceAttribute))
{
this.Since = sinceAttribute;
wasLoaded = true;
}
if (!String.IsNullOrEmpty(untilAttribute))
{
this.Until = untilAttribute;
wasLoaded = true;
}
if (!String.IsNullOrEmpty(expiresAttribute))
{
DateTime expiresOn;
if (SyndicationDateTimeUtility.TryParseRfc3339DateTime(expiresAttribute, out expiresOn))
{
this.ExpiresOn = expiresOn;
wasLoaded = true;
}
}
}
if (source.HasChildren)
{
XPathNodeIterator relatedIterator = source.Select("sx:related", manager);
if (relatedIterator != null && relatedIterator.Count > 0)
{
while (relatedIterator.MoveNext())
{
FeedSynchronizationRelatedInformation relation = new FeedSynchronizationRelatedInformation();
if (relation.Load(relatedIterator.Current))
{
this.Relations.Add(relation);
wasLoaded = true;
}
}
}
}
return wasLoaded;
}
