/// <summary>
/// Returns the conflict preservation identifier for the supplied <see cref="FeedSynchronizationConflictPreservationDirective"/>.
/// </summary>
/// <param name="directive">The <see cref="FeedSynchronizationConflictPreservationDirective"/> to get the conflict preservation identifier for.</param>
/// <returns>The conflict preservation identifier for the supplied <paramref name="vocabulary"/>, otherwise returns an empty string.</returns>
public static string ConflictPreservationAsString(FeedSynchronizationConflictPreservationDirective directive)
{
//------------------------------------------------------------
// Local members
//------------------------------------------------------------
string name = String.Empty;
//------------------------------------------------------------
// Return alternate value based on supplied protocol
//------------------------------------------------------------
foreach (System.Reflection.FieldInfo fieldInfo in typeof(FeedSynchronizationConflictPreservationDirective).GetFields())
{
if (fieldInfo.FieldType == typeof(FeedSynchronizationConflictPreservationDirective))
{
FeedSynchronizationConflictPreservationDirective preservationDirective = (FeedSynchronizationConflictPreservationDirective)Enum.Parse(fieldInfo.FieldType, fieldInfo.Name);
if (preservationDirective == directive)
{
object[] customAttributes = fieldInfo.GetCustomAttributes(typeof(EnumerationMetadataAttribute), false);
if (customAttributes != null && customAttributes.Length > 0)
{
EnumerationMetadataAttribute enumerationMetadata = customAttributes[0] as EnumerationMetadataAttribute;
name = enumerationMetadata.AlternateValue;
break;
}
}
}
}
return(name);
}
/// <summary>
/// Returns the <see cref="FeedSynchronizationConflictPreservationDirective"/> enumeration value that corresponds to the specified conflict preservation name.
/// </summary>
/// <param name="name">The name of the conflict preservation.</param>
/// <returns>A <see cref="FeedSynchronizationConflictPreservationDirective"/> enumeration value that corresponds to the specified string, otherwise returns <b>FeedSynchronizationConflictPreservationDirective.None</b>.</returns>
/// <remarks>This method disregards case of specified conflict preservation name.</remarks>
/// <exception cref="ArgumentNullException">The <paramref name="name"/> is a null reference (Nothing in Visual Basic).</exception>
/// <exception cref="ArgumentNullException">The <paramref name="name"/> is an empty string.</exception>
public static FeedSynchronizationConflictPreservationDirective ConflictPreservationByName(string name)
{
FeedSynchronizationConflictPreservationDirective preservationDirective = FeedSynchronizationConflictPreservationDirective.None;
Guard.ArgumentNotNullOrEmptyString(name, "name");
foreach (System.Reflection.FieldInfo fieldInfo in typeof(FeedSynchronizationConflictPreservationDirective).GetFields())
{
if (fieldInfo.FieldType == typeof(FeedSynchronizationConflictPreservationDirective))
{
FeedSynchronizationConflictPreservationDirective directive = (FeedSynchronizationConflictPreservationDirective)Enum.Parse(fieldInfo.FieldType, fieldInfo.Name);
object[] customAttributes = fieldInfo.GetCustomAttributes(typeof(EnumerationMetadataAttribute), false);
if (customAttributes != null && customAttributes.Length > 0)
{
EnumerationMetadataAttribute enumerationMetadata = customAttributes[0] as EnumerationMetadataAttribute;
if (String.Compare(name, enumerationMetadata.AlternateValue, StringComparison.OrdinalIgnoreCase) == 0)
{
preservationDirective = directive;
break;
}
}
}
}
return(preservationDirective);
}
//============================================================
// PUBLIC METHODS
//============================================================
#region Load(XPathNavigator source)
/// <summary>
/// Loads this <see cref="FeedSynchronizationItem"/> 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="FeedSynchronizationItem"/> 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="FeedSynchronizationItem"/>.
/// </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 idAttribute = source.GetAttribute("id", String.Empty);
string updatesAttribute = source.GetAttribute("updates", String.Empty);
string deletedAttribute = source.GetAttribute("deleted", String.Empty);
string noConflictsAttribute = source.GetAttribute("noconflicts", String.Empty);
if (!String.IsNullOrEmpty(idAttribute))
{
this.Id = idAttribute;
wasLoaded = true;
}
if (!String.IsNullOrEmpty(updatesAttribute))
{
int updates;
if (Int32.TryParse(updatesAttribute, NumberStyles.Integer, NumberFormatInfo.InvariantInfo, out updates))
{
this.Updates = updates;
wasLoaded = true;
}
}
if (!String.IsNullOrEmpty(deletedAttribute))
{
FeedSynchronizationTombstoneStatus status = FeedSynchronizationItem.TombstoneStatusByName(deletedAttribute);
if (status != FeedSynchronizationTombstoneStatus.None)
{
this.TombstoneStatus = status;
wasLoaded = true;
}
}
if (!String.IsNullOrEmpty(noConflictsAttribute))
{
FeedSynchronizationConflictPreservationDirective directive = FeedSynchronizationItem.ConflictPreservationByName(noConflictsAttribute);
if (directive != FeedSynchronizationConflictPreservationDirective.None)
{
this.ConflictPreservation = directive;
wasLoaded = true;
}
}
}
if (source.HasChildren)
{
XPathNodeIterator historyIterator = source.Select("sx:history", manager);
XPathNavigator conflictsNavigator = source.SelectSingleNode("sx:conflicts", manager);
if (historyIterator != null && historyIterator.Count > 0)
{
while (historyIterator.MoveNext())
{
FeedSynchronizationHistory history = new FeedSynchronizationHistory();
if (history.Load(historyIterator.Current))
{
this.Histories.Add(history);
wasLoaded = true;
}
}
}
if (conflictsNavigator != null && conflictsNavigator.HasChildren)
{
XPathNodeIterator childrenIterator = conflictsNavigator.SelectChildren(XPathNodeType.Element);
if (childrenIterator != null && childrenIterator.Count > 0)
{
this.Conflicts.Add(childrenIterator.Current);
wasLoaded = true;
}
}
}
return(wasLoaded);
}
