/// <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="FeedSynchronizationSyndicationExtensionContext"/>.</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="FeedSynchronizationSyndicationExtensionContext"/> 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) { XPathNavigator sharingNavigator = source.SelectSingleNode("sx:sharing", manager); XPathNavigator syncNavigator = source.SelectSingleNode("sx:sync", manager); if (sharingNavigator != null) { FeedSynchronizationSharingInformation sharing = new FeedSynchronizationSharingInformation(); if (sharing.Load(sharingNavigator)) { this.Sharing = sharing; wasLoaded = true; } } if (syncNavigator != null) { FeedSynchronizationItem synchronization = new FeedSynchronizationItem(); if (synchronization.Load(syncNavigator)) { this.Synchronization = synchronization; wasLoaded = true; } } } return(wasLoaded); }
//============================================================ // 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 //------------------------------------------------------------ FeedSynchronizationItem value = obj as FeedSynchronizationItem; if (value != null) { int result = String.Compare(this.Id, value.Id, StringComparison.OrdinalIgnoreCase); result = result | this.ConflictPreservation.CompareTo(value.ConflictPreservation); result = result | this.TombstoneStatus.CompareTo(value.TombstoneStatus); result = result | this.Updates.CompareTo(value.Updates); result = result | FeedSynchronizationItem.CompareSequence(this.Histories, value.Histories); result = result | ComparisonUtility.CompareSequence(this.Conflicts, value.Conflicts); 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="FeedSynchronizationItem"/> 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("sync", extension.XmlNamespace); writer.WriteAttributeString("id", this.Id); writer.WriteAttributeString("updates", this.Updates.ToString(NumberFormatInfo.InvariantInfo)); if (this.TombstoneStatus != FeedSynchronizationTombstoneStatus.None) { writer.WriteAttributeString("deleted", FeedSynchronizationItem.TombstoneStatusAsString(this.TombstoneStatus)); } if (this.ConflictPreservation != FeedSynchronizationConflictPreservationDirective.None) { writer.WriteAttributeString("noconflicts", FeedSynchronizationItem.ConflictPreservationAsString(this.ConflictPreservation)); } foreach (FeedSynchronizationHistory history in this.Histories) { history.WriteTo(writer); } if (this.Conflicts.Count > 0) { writer.WriteStartElement("conflicts", extension.XmlNamespace); foreach (XPathNavigator conflict in this.Conflicts) { conflict.WriteSubtree(writer); } writer.WriteEndElement(); } writer.WriteEndElement(); }
//============================================================ // 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="FeedSynchronizationSyndicationExtensionContext"/>.</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="FeedSynchronizationSyndicationExtensionContext"/> 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) { XPathNavigator sharingNavigator = source.SelectSingleNode("sx:sharing", manager); XPathNavigator syncNavigator = source.SelectSingleNode("sx:sync", manager); if (sharingNavigator != null) { FeedSynchronizationSharingInformation sharing = new FeedSynchronizationSharingInformation(); if (sharing.Load(sharingNavigator)) { this.Sharing = sharing; wasLoaded = true; } } if (syncNavigator != null) { FeedSynchronizationItem synchronization = new FeedSynchronizationItem(); if (synchronization.Load(syncNavigator)) { this.Synchronization = synchronization; wasLoaded = true; } } } return(wasLoaded); }
//============================================================ // 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); }