/// <summary> /// Internal interface to be overridden in the subclasses. /// Goes through each subsegments and invokes itself for the children /// </summary> /// <param name="targetSegment">Current root segment in the target tree</param> /// <param name="kind">Which sub segments to serialize</param> /// <param name="provider">Data Service provider used for rights verification.</param> protected virtual void Serialize(EpmTargetPathSegment targetSegment, EpmSerializationKind kind, DataServiceProviderWrapper provider) #endif { IEnumerable <EpmTargetPathSegment> segmentsToSerialize; switch (kind) { case EpmSerializationKind.Attributes: segmentsToSerialize = targetSegment.SubSegments.Where(s => s.IsAttribute == true); break; case EpmSerializationKind.Elements: segmentsToSerialize = targetSegment.SubSegments.Where(s => s.IsAttribute == false); break; default: Debug.Assert(kind == EpmSerializationKind.All, "Must serialize everything"); segmentsToSerialize = targetSegment.SubSegments; break; } foreach (EpmTargetPathSegment segment in segmentsToSerialize) { #if ASTORIA_CLIENT this.Serialize(segment, kind); #else this.Serialize(segment, kind, provider); #endif } }
protected virtual void Serialize(EpmTargetPathSegment targetSegment, EpmSerializationKind kind) { IEnumerable <EpmTargetPathSegment> segmentsToSerialize; switch (kind) { case EpmSerializationKind.Attributes: segmentsToSerialize = targetSegment.SubSegments.Where(s => s.IsAttribute == true); break; case EpmSerializationKind.Elements: segmentsToSerialize = targetSegment.SubSegments.Where(s => s.IsAttribute == false); break; default: Debug.Assert(kind == EpmSerializationKind.All, "Must serialize everything"); segmentsToSerialize = targetSegment.SubSegments; break; } foreach (EpmTargetPathSegment segment in segmentsToSerialize) { this.Serialize(segment, kind); } }
internal EpmCustomContentWriterNodeData(EpmCustomContentWriterNodeData parentData, EpmTargetPathSegment segment, object element) { this.XmlContentStream = parentData.XmlContentStream; this.XmlContentWriter = parentData.XmlContentWriter; this.PopulateData(segment, element); }
/// <summary> /// Given a segment, writes the element to xml writer corresponding to it, works recursively to write child elements/attributes /// </summary> /// <param name="targetSegment">Segment being written</param> /// <param name="provider">Data Service provider used for rights verification.</param> private void WriteElement(EpmTargetPathSegment targetSegment, DataServiceProviderWrapper provider) #endif { // Content to be written in an element EpmCustomContentWriterNodeData currentContent = this.visitorContent[targetSegment]; currentContent.XmlContentWriter.WriteStartElement( targetSegment.SegmentNamespacePrefix, targetSegment.SegmentName, targetSegment.SegmentNamespaceUri); #if ASTORIA_CLIENT // Serialize the attributes and children before serializing the data itself base.Serialize(targetSegment, EpmSerializationKind.Attributes); #else // Serialize the attributes and children before serializing the data itself base.Serialize(targetSegment, EpmSerializationKind.Attributes, provider); #endif if (targetSegment.HasContent) { Debug.Assert(currentContent.Data != null, "Must always have non-null data content value"); currentContent.XmlContentWriter.WriteString(currentContent.Data); } #if ASTORIA_CLIENT // Serialize the attributes and children before serializing the data itself base.Serialize(targetSegment, EpmSerializationKind.Elements); #else // Serialize the attributes and children before serializing the data itself base.Serialize(targetSegment, EpmSerializationKind.Elements, provider); #endif currentContent.XmlContentWriter.WriteEndElement(); }
/// <summary>Initialize the visitor content for all of root's grandchildren and beyond</summary> /// <param name="subSegment">One of root's children</param> /// <param name="nullValuedProperties">Null valued properties found during serialization</param> /// <param name="provider">Data Service provider used for rights verification.</param> private void InitializeSubSegmentVisitorContent(EpmTargetPathSegment subSegment, EpmContentSerializer.EpmNullValuedPropertyTree nullValuedProperties, DataServiceProviderWrapper provider) { foreach (EpmTargetPathSegment segment in subSegment.SubSegments) { this.visitorContent.Add(segment, new EpmCustomContentWriterNodeData(this.visitorContent[subSegment], segment, this.Element, nullValuedProperties, provider)); this.InitializeSubSegmentVisitorContent(segment, nullValuedProperties, provider); } }
/// <summary>Used for creating non-root nodes in the syndication/custom trees</summary> /// <param name="segmentName">Name of xml element/attribute</param> /// <param name="segmentNamespaceUri">URI of the namespace for <paramref name="segmentName"/></param> /// <param name="segmentNamespacePrefix">Namespace prefix to be used for <paramref name="segmentNamespaceUri"/></param> /// <param name="parentSegment">Reference to the parent node if this is a sub-node, useful for traversals in visitors</param> internal EpmTargetPathSegment(String segmentName, String segmentNamespaceUri, String segmentNamespacePrefix, EpmTargetPathSegment parentSegment) : this() { this.segmentName = segmentName; this.segmentNamespaceUri = segmentNamespaceUri; this.segmentNamespacePrefix = segmentNamespacePrefix; this.parentSegment = parentSegment; }
internal EpmTargetPathSegment(String segmentName, String segmentNamespaceUri, String segmentNamespacePrefix, EpmTargetPathSegment parentSegment) : this() { this.segmentName = segmentName; this.segmentNamespaceUri = segmentNamespaceUri; this.segmentNamespacePrefix = segmentNamespacePrefix; this.parentSegment = parentSegment; }
/// <summary>Initialize the visitor content for all of root's grandchildren and beyond</summary> /// <param name="subSegment">One of root's children</param> private void InitializeSubSegmentVisitorContent(EpmTargetPathSegment subSegment) { foreach (EpmTargetPathSegment segment in subSegment.SubSegments) { this.visitorContent.Add(segment, new EpmCustomContentWriterNodeData(this.visitorContent[subSegment], segment, this.Element)); this.InitializeSubSegmentVisitorContent(segment); } }
/// <summary> /// Removes a path in the tree which is obtained by looking at the EntityPropertyMappingAttribute in the <paramref name="epmInfo"/> /// </summary> /// <param name="epmInfo">EnitityPropertyMappingInfo holding the target path</param> internal void Remove(EntityPropertyMappingInfo epmInfo) { String targetName = epmInfo.Attribute.TargetPath; bool isSyndication = epmInfo.Attribute.TargetSyndicationItem != SyndicationItemProperty.CustomProperty; String namespaceUri = epmInfo.Attribute.TargetNamespaceUri; EpmTargetPathSegment currentSegment = isSyndication ? this.SyndicationRoot : this.NonSyndicationRoot; List <EpmTargetPathSegment> activeSubSegments = currentSegment.SubSegments; Debug.Assert(!String.IsNullOrEmpty(targetName), "Must have been validated during EntityPropertyMappingAttribute construction"); String[] targetSegments = targetName.Split('/'); for (int i = 0; i < targetSegments.Length; i++) { String targetSegment = targetSegments[i]; if (targetSegment.Length == 0) { throw new InvalidOperationException(Strings.EpmTargetTree_InvalidTargetPath(targetName)); } if (targetSegment[0] == '@' && i != targetSegments.Length - 1) { throw new InvalidOperationException(Strings.EpmTargetTree_AttributeInMiddle(targetSegment)); } EpmTargetPathSegment foundSegment = activeSubSegments.FirstOrDefault( segment => segment.SegmentName == targetSegment && (isSyndication || segment.SegmentNamespaceUri == namespaceUri)); if (foundSegment != null) { currentSegment = foundSegment; } else { return; } activeSubSegments = currentSegment.SubSegments; } // Recursively remove all the parent segments which will have no more children left // after removal of the current segment node if (currentSegment.HasContent) { // Since we are removing a property with KeepInContent false, we should decrement the count if (!currentSegment.EpmInfo.Attribute.KeepInContent) { this.countOfNonContentProperties--; } do { EpmTargetPathSegment parentSegment = currentSegment.ParentSegment; parentSegment.SubSegments.Remove(currentSegment); currentSegment = parentSegment; }while (currentSegment.ParentSegment != null && !currentSegment.HasContent && currentSegment.SubSegments.Count == 0); } }
internal EpmCustomContentWriterNodeData(EpmTargetPathSegment segment, object element) { this.XmlContentStream = new MemoryStream(); XmlWriterSettings customContentWriterSettings = new XmlWriterSettings(); customContentWriterSettings.OmitXmlDeclaration = true; customContentWriterSettings.ConformanceLevel = ConformanceLevel.Fragment; this.XmlContentWriter = XmlWriter.Create(this.XmlContentStream, customContentWriterSettings); this.PopulateData(segment, element); }
internal EpmCustomContentWriterNodeData(EpmTargetPathSegment segment, object element) { this.XmlContentStream = new MemoryStream(); XmlWriterSettings customContentWriterSettings = new XmlWriterSettings(); customContentWriterSettings.OmitXmlDeclaration = true; customContentWriterSettings.ConformanceLevel = ConformanceLevel.Fragment; this.XmlContentWriter = XmlWriter.Create(this.XmlContentStream, customContentWriterSettings); this.PopulateData(segment, element); }
/// <summary> /// Matches the targetSegment with properties already applied and if finds something already applied considers it a match /// </summary> /// <param name="targetSegment">Target segment for which existing property application is checked for</param> /// <param name="propertiesApplied">Properties already applied based on content</param> /// <returns>true if already the property for the current segment has been applied</returns> internal static bool Match(EpmTargetPathSegment targetSegment, EpmContentDeSerializer.EpmAppliedPropertyInfo propertiesApplied) { if (!targetSegment.EpmInfo.Attribute.KeepInContent) { return(propertiesApplied.Lookup(targetSegment.EpmInfo.Attribute.SourcePath)); } else { return(true); } }
private void WriteAttribute(EpmTargetPathSegment targetSegment) { Debug.Assert(targetSegment.HasContent, "Must have content for attributes"); EpmCustomContentWriterNodeData currentContent = this.visitorContent[targetSegment]; currentContent.XmlContentWriter.WriteAttributeString( targetSegment.SegmentNamespacePrefix, targetSegment.SegmentName.Substring(1), targetSegment.SegmentNamespaceUri, currentContent.Data); }
protected override void Serialize(EpmTargetPathSegment targetSegment, EpmSerializationKind kind) { if (targetSegment.IsAttribute) { this.WriteAttribute(targetSegment); } else { this.WriteElement(targetSegment); } }
protected override void Serialize(EpmTargetPathSegment targetSegment, EpmSerializationKind kind) { if (targetSegment.IsAttribute) { this.WriteAttribute(targetSegment); } else { this.WriteElement(targetSegment); } }
private void WriteAttribute(EpmTargetPathSegment targetSegment) { Debug.Assert(targetSegment.HasContent, "Must have content for attributes"); EpmCustomContentWriterNodeData currentContent = this.visitorContent[targetSegment]; currentContent.XmlContentWriter.WriteAttributeString( targetSegment.SegmentNamespacePrefix, targetSegment.SegmentName.Substring(1), targetSegment.SegmentNamespaceUri, currentContent.Data); }
/// <summary> /// Deserializes the attributes from the <paramref name="reader"/> and sets values on <paramref name="element"/> /// </summary> /// <param name="reader">Current content reader.</param> /// <param name="currentRoot">Segment which has child attribute segments.</param> /// <param name="element">Current object.</param> /// <param name="resourceType">Resource type of <paramref name="element"/></param> private void DeserializeAttributes(XmlReader reader, EpmTargetPathSegment currentRoot, object element, ResourceType resourceType) { foreach (var attributeSegment in currentRoot.SubSegments.Where(s => s.IsAttribute)) { String attribValue = WebUtil.GetAttributeEx(reader, attributeSegment.SegmentName.Substring(1), attributeSegment.SegmentNamespaceUri); if (attribValue != null) { if (!EpmContentDeSerializerBase.Match(attributeSegment, this.PropertiesApplied)) { resourceType.SetEpmValue(attributeSegment, element, attribValue, this); } } } }
internal EpmCustomContentWriterNodeData(EpmTargetPathSegment segment, object element, EpmContentSerializer.EpmNullValuedPropertyTree nullValuedProperties, DataServiceProviderWrapper provider) #endif { this.XmlContentStream = new MemoryStream(); XmlWriterSettings customContentWriterSettings = new XmlWriterSettings(); customContentWriterSettings.OmitXmlDeclaration = true; customContentWriterSettings.ConformanceLevel = ConformanceLevel.Fragment; this.XmlContentWriter = XmlWriter.Create(this.XmlContentStream, customContentWriterSettings); #if ASTORIA_CLIENT this.PopulateData(segment, element); #else this.PopulateData(segment, element, nullValuedProperties, provider); #endif }
protected override void Serialize(EpmTargetPathSegment targetSegment, EpmSerializationKind kind, DataServiceProviderWrapper provider) #endif { if (targetSegment.IsAttribute) { this.WriteAttribute(targetSegment); } else { #if ASTORIA_CLIENT this.WriteElement(targetSegment); #else this.WriteElement(targetSegment, provider); #endif } }
/// <summary> /// Override of the base Visitor method, which actually performs mapping search and serialization /// </summary> /// <param name="targetSegment">Current segment being checked for mapping</param> /// <param name="kind">Which sub segments to serialize</param> /// <param name="provider">Data Service provider used for rights verification.</param> protected override void Serialize(EpmTargetPathSegment targetSegment, EpmSerializationKind kind, DataServiceProviderWrapper provider) #endif { if (targetSegment.IsAttribute) { this.WriteAttribute(targetSegment); } else { #if ASTORIA_CLIENT this.WriteElement(targetSegment); #else this.WriteElement(targetSegment, provider); #endif } }
private static bool HasMixedContent(EpmTargetPathSegment currentSegment, bool ancestorHasContent) { foreach (EpmTargetPathSegment childSegment in currentSegment.SubSegments.Where(s => !s.IsAttribute)) { if (childSegment.HasContent && ancestorHasContent) { return(true); } if (HasMixedContent(childSegment, childSegment.HasContent || ancestorHasContent)) { return(true); } } return(false); }
private void PopulateData(EpmTargetPathSegment segment, object element, EpmContentSerializer.EpmNullValuedPropertyTree nullValuedProperties, DataServiceProviderWrapper provider) #endif { if (segment.EpmInfo != null) { Object propertyValue; try { #if ASTORIA_CLIENT propertyValue = segment.EpmInfo.ReadPropertyValue(element); #else propertyValue = segment.EpmInfo.ReadPropertyValue(element, provider); #endif } catch #if ASTORIA_CLIENT (System.Reflection.TargetInvocationException) #else (System.Reflection.TargetInvocationException e) #endif { #if !ASTORIA_CLIENT ErrorHandler.HandleTargetInvocationException(e); #endif throw; } #if ASTORIA_CLIENT this.Data = propertyValue == null ? String.Empty : ClientConvert.ToString(propertyValue, false); #else if (propertyValue == null || propertyValue == DBNull.Value) { this.Data = String.Empty; nullValuedProperties.Add(segment.EpmInfo); } else { this.Data = PlainXmlSerializer.PrimitiveToString(propertyValue); } #endif } } }
private void PopulateData(EpmTargetPathSegment segment, object element) { if (segment.EpmInfo != null) { Object propertyValue; try { propertyValue = segment.EpmInfo.PropValReader.DynamicInvoke(element); } catch (System.Reflection.TargetInvocationException) { throw; } this.Data = propertyValue == null ? String.Empty : ClientConvert.ToString(propertyValue, false); } }
private void WriteElement(EpmTargetPathSegment targetSegment) { EpmCustomContentWriterNodeData currentContent = this.visitorContent[targetSegment]; currentContent.XmlContentWriter.WriteStartElement( targetSegment.SegmentNamespacePrefix, targetSegment.SegmentName, targetSegment.SegmentNamespaceUri); base.Serialize(targetSegment, EpmSerializationKind.Attributes); if (targetSegment.HasContent) { Debug.Assert(currentContent.Data != null, "Must always have non-null data content value"); currentContent.XmlContentWriter.WriteString(currentContent.Data); } base.Serialize(targetSegment, EpmSerializationKind.Elements); currentContent.XmlContentWriter.WriteEndElement(); }
private void WriteElement(EpmTargetPathSegment targetSegment) { EpmCustomContentWriterNodeData currentContent = this.visitorContent[targetSegment]; currentContent.XmlContentWriter.WriteStartElement( targetSegment.SegmentNamespacePrefix, targetSegment.SegmentName, targetSegment.SegmentNamespaceUri); base.Serialize(targetSegment, EpmSerializationKind.Attributes); if (targetSegment.HasContent) { Debug.Assert(currentContent.Data != null, "Must always have non-null data content value"); currentContent.XmlContentWriter.WriteString(currentContent.Data); } base.Serialize(targetSegment, EpmSerializationKind.Elements); currentContent.XmlContentWriter.WriteEndElement(); }
protected virtual void Serialize(EpmTargetPathSegment targetSegment, EpmSerializationKind kind) { IEnumerable<EpmTargetPathSegment> segmentsToSerialize; switch (kind) { case EpmSerializationKind.Attributes: segmentsToSerialize = targetSegment.SubSegments.Where(s => s.IsAttribute == true); break; case EpmSerializationKind.Elements: segmentsToSerialize = targetSegment.SubSegments.Where(s => s.IsAttribute == false); break; default: Debug.Assert(kind == EpmSerializationKind.All, "Must serialize everything"); segmentsToSerialize = targetSegment.SubSegments; break; } foreach (EpmTargetPathSegment segment in segmentsToSerialize) { this.Serialize(segment, kind); } }
internal EpmCustomContentWriterNodeData(EpmCustomContentWriterNodeData parentData, EpmTargetPathSegment segment, object element, EpmContentSerializer.EpmNullValuedPropertyTree nullValuedProperties, DataServiceProviderWrapper provider) #endif { this.XmlContentStream = parentData.XmlContentStream; this.XmlContentWriter = parentData.XmlContentWriter; #if ASTORIA_CLIENT this.PopulateData(segment, element); #else this.PopulateData(segment, element, nullValuedProperties, provider); #endif }
/// <summary> /// Given a segment, writes the element to xml writer corresponding to it, works recursively to write child elements/attributes /// </summary> /// <param name="targetSegment">Segment being written</param> private void WriteElement(EpmTargetPathSegment targetSegment)
protected override void Serialize(EpmTargetPathSegment targetSegment, EpmSerializationKind kind) { if (targetSegment.HasContent) { EntityPropertyMappingInfo epmInfo = targetSegment.EpmInfo; Object propertyValue; try { propertyValue = epmInfo.ReadPropertyValue(this.Element); } catch (System.Reflection.TargetInvocationException) { throw; } String contentType; Action<String> contentWriter; switch (epmInfo.Attribute.TargetTextContentKind) { case SyndicationTextContentKind.Html: contentType = "html"; contentWriter = this.Target.WriteString; break; case SyndicationTextContentKind.Xhtml: contentType = "xhtml"; contentWriter = this.Target.WriteRaw; break; default: contentType = "text"; contentWriter = this.Target.WriteString; break; } Action<String, bool, bool> textSyndicationWriter = (c, nonTextPossible, atomDateConstruct) => { this.Target.WriteStartElement(c, XmlConstants.AtomNamespace); if (nonTextPossible) { this.Target.WriteAttributeString(XmlConstants.AtomTypeAttributeName, String.Empty, contentType); } String textPropertyValue = propertyValue != null ? ClientConvert.ToString(propertyValue, atomDateConstruct) : atomDateConstruct ? ClientConvert.ToString(DateTime.MinValue, atomDateConstruct) : String.Empty; contentWriter(textPropertyValue); this.Target.WriteEndElement(); }; switch (epmInfo.Attribute.TargetSyndicationItem) { case SyndicationItemProperty.AuthorEmail: case SyndicationItemProperty.ContributorEmail: textSyndicationWriter(XmlConstants.AtomEmailElementName, false, false); break; case SyndicationItemProperty.AuthorName: case SyndicationItemProperty.ContributorName: textSyndicationWriter(XmlConstants.AtomNameElementName, false, false); this.authorNamePresent = true; break; case SyndicationItemProperty.AuthorUri: case SyndicationItemProperty.ContributorUri: textSyndicationWriter(XmlConstants.AtomUriElementName, false, false); break; case SyndicationItemProperty.Updated: textSyndicationWriter(XmlConstants.AtomUpdatedElementName, false, true); this.updatedPresent = true; break; case SyndicationItemProperty.Published: textSyndicationWriter(XmlConstants.AtomPublishedElementName, false, true); break; case SyndicationItemProperty.Rights: textSyndicationWriter(XmlConstants.AtomRightsElementName, true, false); break; case SyndicationItemProperty.Summary: textSyndicationWriter(XmlConstants.AtomSummaryElementName, true, false); break; case SyndicationItemProperty.Title: textSyndicationWriter(XmlConstants.AtomTitleElementName, true, false); break; default: Debug.Assert(false, "Unhandled SyndicationItemProperty enum value - should never get here."); break; } } else { if (targetSegment.SegmentName == XmlConstants.AtomAuthorElementName) { this.CreateAuthor(false); base.Serialize(targetSegment, kind); this.FinishAuthor(); } else if (targetSegment.SegmentName == XmlConstants.AtomContributorElementName) { this.Target.WriteStartElement(XmlConstants.AtomContributorElementName, XmlConstants.AtomNamespace); base.Serialize(targetSegment, kind); this.Target.WriteEndElement(); } else { Debug.Assert(false, "Only authors and contributors have nested elements"); } } }
private static bool HasMixedContent(EpmTargetPathSegment currentSegment, bool ancestorHasContent) { foreach (EpmTargetPathSegment childSegment in currentSegment.SubSegments.Where(s => !s.IsAttribute)) { if (childSegment.HasContent && ancestorHasContent) { return true; } if (HasMixedContent(childSegment, childSegment.HasContent || ancestorHasContent)) { return true; } } return false; }
internal EpmCustomContentWriterNodeData(EpmCustomContentWriterNodeData parentData, EpmTargetPathSegment segment, object element)
private void PopulateData(EpmTargetPathSegment segment, object element) { if (segment.EpmInfo != null) { Object propertyValue; try { propertyValue = segment.EpmInfo.PropValReader.DynamicInvoke(element); } catch (System.Reflection.TargetInvocationException) { throw; } this.Data = propertyValue == null ? String.Empty : ClientConvert.ToString(propertyValue, false ); } }
/// <summary>Used for deserializing each of syndication specific content nodes</summary> /// <param name="currentRoot">Node in the target path being processed</param> /// <param name="resourceType">ResourceType</param> /// <param name="element">object being deserialized</param> private void DeSerialize(EpmTargetPathSegment currentRoot, ResourceType resourceType, object element) { foreach (EpmTargetPathSegment newRoot in currentRoot.SubSegments) { if (newRoot.HasContent) { if (!EpmContentDeSerializerBase.Match(newRoot, this.PropertiesApplied)) { switch (newRoot.EpmInfo.Attribute.TargetSyndicationItem) { case SyndicationItemProperty.AuthorEmail: if (this.Item.Authors.Count > 0) { resourceType.SetEpmValue(newRoot, element, this.Item.Authors[0].Email, this); } break; case SyndicationItemProperty.AuthorName: if (this.Item.Authors.Count > 0) { resourceType.SetEpmValue(newRoot, element, this.Item.Authors[0].Name, this); } break; case SyndicationItemProperty.AuthorUri: if (this.Item.Authors.Count > 0) { resourceType.SetEpmValue(newRoot, element, this.Item.Authors[0].Uri, this); } break; case SyndicationItemProperty.ContributorEmail: if (this.Item.Contributors.Count > 0) { resourceType.SetEpmValue(newRoot, element, this.Item.Contributors[0].Email, this); } break; case SyndicationItemProperty.ContributorName: if (this.Item.Contributors.Count > 0) { resourceType.SetEpmValue(newRoot, element, this.Item.Contributors[0].Name, this); } break; case SyndicationItemProperty.ContributorUri: if (this.Item.Contributors.Count > 0) { resourceType.SetEpmValue(newRoot, element, this.Item.Contributors[0].Uri, this); } break; case SyndicationItemProperty.Updated: // If this.Item.LastUpdatedTime == DateTimeOffset.MinValue we assume that the date has not been provided // by the user. This is the same assumption Syndication Api does (see Atom10FeedFormatter.WriteItemContents()). // If the date was not provided by the user we should not touch it - otherwise the response will not be // compatible with response sent for the same request and the same resource type but having KeepInContent set to true if (this.Item.LastUpdatedTime > DateTimeOffset.MinValue) { resourceType.SetEpmValue(newRoot, element, XmlConvert.ToString(this.Item.LastUpdatedTime), this); } break; case SyndicationItemProperty.Published: if (this.Item.PublishDate > DateTimeOffset.MinValue) { resourceType.SetEpmValue(newRoot, element, XmlConvert.ToString(this.Item.PublishDate), this); } break; case SyndicationItemProperty.Rights: if (this.Item.Copyright != null) { resourceType.SetEpmValue(newRoot, element, this.Item.Copyright.Text, this); } break; case SyndicationItemProperty.Summary: if (this.Item.Summary != null) { resourceType.SetEpmValue(newRoot, element, this.Item.Summary.Text, this); } break; case SyndicationItemProperty.Title: if (this.Item.Title != null) { resourceType.SetEpmValue(newRoot, element, this.Item.Title.Text, this); } break; default: Debug.Fail("Unhandled SyndicationItemProperty enum value - should never get here."); break; } } } else { this.DeSerialize(newRoot, resourceType, element); } } }
/// <summary>Initialize the visitor content for all of root's grandchildren and beyond</summary> /// <param name="subSegment">One of root's children</param> /// <param name="nullValuedProperties">Null valued properties found during serialization</param> /// <param name="provider">Data Service provider used for rights verification.</param> private void InitializeSubSegmentVisitorContent(EpmTargetPathSegment subSegment, EpmContentSerializer.EpmNullValuedPropertyTree nullValuedProperties, DataServiceProviderWrapper provider) { foreach (EpmTargetPathSegment segment in subSegment.SubSegments) { this.visitorContent.Add(segment, new EpmCustomContentWriterNodeData(this.visitorContent[subSegment], segment, this.Element, nullValuedProperties, provider)); this.InitializeSubSegmentVisitorContent(segment, nullValuedProperties, provider); } }
internal EpmCustomContentWriterNodeData(EpmCustomContentWriterNodeData parentData, EpmTargetPathSegment segment, object element) { this.XmlContentStream = parentData.XmlContentStream; this.XmlContentWriter = parentData.XmlContentWriter; this.PopulateData(segment, element); }
/// <summary>Used for deserializing each of syndication specific content nodes</summary> /// <param name="currentRoot">Node in the target path being processed</param> /// <param name="resourceType">ResourceType</param> /// <param name="element">object being deserialized</param> private void DeSerialize(EpmTargetPathSegment currentRoot, ResourceType resourceType, object element) { foreach (EpmTargetPathSegment newRoot in currentRoot.SubSegments) { if (newRoot.HasContent) { if (!EpmContentDeSerializerBase.Match(newRoot, this.PropertiesApplied)) { switch (newRoot.EpmInfo.Attribute.TargetSyndicationItem) { case SyndicationItemProperty.AuthorEmail: if (this.Item.Authors.Count > 0) { resourceType.SetEpmValue(newRoot, element, this.Item.Authors[0].Email, this); } break; case SyndicationItemProperty.AuthorName: if (this.Item.Authors.Count > 0) { resourceType.SetEpmValue(newRoot, element, this.Item.Authors[0].Name, this); } break; case SyndicationItemProperty.AuthorUri: if (this.Item.Authors.Count > 0) { resourceType.SetEpmValue(newRoot, element, this.Item.Authors[0].Uri, this); } break; case SyndicationItemProperty.ContributorEmail: if (this.Item.Contributors.Count > 0) { resourceType.SetEpmValue(newRoot, element, this.Item.Contributors[0].Email, this); } break; case SyndicationItemProperty.ContributorName: if (this.Item.Contributors.Count > 0) { resourceType.SetEpmValue(newRoot, element, this.Item.Contributors[0].Name, this); } break; case SyndicationItemProperty.ContributorUri: if (this.Item.Contributors.Count > 0) { resourceType.SetEpmValue(newRoot, element, this.Item.Contributors[0].Uri, this); } break; case SyndicationItemProperty.Updated: // If this.Item.LastUpdatedTime == DateTimeOffset.MinValue we assume that the date has not been provided // by the user. This is the same assumption Syndication Api does (see Atom10FeedFormatter.WriteItemContents()). // If the date was not provided by the user we should not touch it - otherwise the response will not be // compatible with response sent for the same request and the same resource type but having KeepInContent set to true if (this.Item.LastUpdatedTime > DateTimeOffset.MinValue) { resourceType.SetEpmValue(newRoot, element, XmlConvert.ToString(this.Item.LastUpdatedTime), this); } break; case SyndicationItemProperty.Published: if (this.Item.PublishDate > DateTimeOffset.MinValue) { resourceType.SetEpmValue(newRoot, element, XmlConvert.ToString(this.Item.PublishDate), this); } break; case SyndicationItemProperty.Rights: if (this.Item.Copyright != null) { resourceType.SetEpmValue(newRoot, element, this.Item.Copyright.Text, this); } break; case SyndicationItemProperty.Summary: if (this.Item.Summary != null) { resourceType.SetEpmValue(newRoot, element, this.Item.Summary.Text, this); } break; case SyndicationItemProperty.Title: if (this.Item.Title != null) { resourceType.SetEpmValue(newRoot, element, this.Item.Title.Text, this); } break; default: Debug.Fail("Unhandled SyndicationItemProperty enum value - should never get here."); break; } } } else { this.DeSerialize(newRoot, resourceType, element); } } }
/// <summary>Called internally to deserialize each <see cref="SyndicationElementExtension"/></summary> /// <param name="reader">XmlReader for current extension</param> /// <param name="currentRoot">Node in the target path being processed</param> /// <param name="resourceType">ResourceType</param> /// <param name="element">object being deserialized</param> private void DeSerialize(XmlReader reader, EpmTargetPathSegment currentRoot, ResourceType resourceType, object element) { EpmValueBuilder currentValue = new EpmValueBuilder(); do { switch (reader.NodeType) { case XmlNodeType.Element: if (currentRoot.HasContent) { // Throw an exception that we hit mixed-content. // <contentElement>value<someElement /></contentElement> // <contentElement><someElement />value</contentElement> throw DataServiceException.CreateBadRequestError(Strings.EpmDeserialize_MixedContent(resourceType.FullName)); } String elementName = reader.LocalName; String namespaceUri = reader.NamespaceURI; EpmTargetPathSegment newRoot = currentRoot.SubSegments .SingleOrDefault(s => s.SegmentNamespaceUri == namespaceUri && s.SegmentName == elementName); if (newRoot == null) { WebUtil.SkipToEnd(reader, elementName, namespaceUri); continue; } currentRoot = newRoot; this.DeserializeAttributes(reader, currentRoot, element, resourceType); if (currentRoot.HasContent) { if (reader.IsEmptyElement) { if (!EpmContentDeSerializerBase.Match(currentRoot, this.PropertiesApplied)) { resourceType.SetEpmValue(currentRoot, element, String.Empty, this); } currentRoot = currentRoot.ParentSegment; } } break; case XmlNodeType.CDATA: case XmlNodeType.Text: case XmlNodeType.SignificantWhitespace: if (!currentRoot.HasContent) { // Throw an exception that we hit mixed-content. // <noContentElement>value<contentElement>value</contentElement></noContentElement> // <noContentElement><contentElement>value</contentElement>value</noContentElement> throw DataServiceException.CreateBadRequestError(Strings.EpmDeserialize_MixedContent(resourceType.FullName)); } currentValue.Append(reader.Value); break; case XmlNodeType.EndElement: if (currentRoot.HasContent) { if (!EpmContentDeSerializerBase.Match(currentRoot, this.PropertiesApplied)) { resourceType.SetEpmValue(currentRoot, element, currentValue.Value, this); } } currentRoot = currentRoot.ParentSegment; currentValue.Reset(); break; case XmlNodeType.Comment: case XmlNodeType.Whitespace: break; case XmlNodeType.None: case XmlNodeType.XmlDeclaration: case XmlNodeType.Attribute: case XmlNodeType.EndEntity: case XmlNodeType.EntityReference: case XmlNodeType.Entity: case XmlNodeType.Document: case XmlNodeType.DocumentType: case XmlNodeType.DocumentFragment: case XmlNodeType.Notation: case XmlNodeType.ProcessingInstruction: throw DataServiceException.CreateBadRequestError(Strings.EpmDeserialize_InvalidXmlEntity); } }while (currentRoot.ParentSegment != null && reader.Read()); }
/// <summary> /// Deserializes the attributes from the <paramref name="reader"/> and sets values on <paramref name="element"/> /// </summary> /// <param name="reader">Current content reader.</param> /// <param name="currentRoot">Segment which has child attribute segments.</param> /// <param name="element">Current object.</param> /// <param name="resourceType">Resource type of <paramref name="element"/></param> private void DeserializeAttributes(XmlReader reader, EpmTargetPathSegment currentRoot, object element, ResourceType resourceType) { foreach (var attributeSegment in currentRoot.SubSegments.Where(s => s.IsAttribute)) { String attribValue = WebUtil.GetAttributeEx(reader, attributeSegment.SegmentName.Substring(1), attributeSegment.SegmentNamespaceUri); if (attribValue != null) { if (!EpmContentDeSerializerBase.Match(attributeSegment, this.PropertiesApplied)) { resourceType.SetEpmValue(attributeSegment, element, attribValue, this); } } } }
internal void Add(EntityPropertyMappingInfo epmInfo) { String targetName = epmInfo.Attribute.TargetPath; bool isSyndication = epmInfo.Attribute.TargetSyndicationItem != SyndicationItemProperty.CustomProperty; String namespaceUri = epmInfo.Attribute.TargetNamespaceUri; String namespacePrefix = epmInfo.Attribute.TargetNamespacePrefix; EpmTargetPathSegment currentSegment = isSyndication ? this.SyndicationRoot : this.NonSyndicationRoot; IList<EpmTargetPathSegment> activeSubSegments = currentSegment.SubSegments; Debug.Assert(!String.IsNullOrEmpty(targetName), "Must have been validated during EntityPropertyMappingAttribute construction"); String[] targetSegments = targetName.Split('/'); for (int i = 0; i < targetSegments.Length; i++) { String targetSegment = targetSegments[i]; if (targetSegment.Length == 0) { throw new InvalidOperationException(Strings.EpmTargetTree_InvalidTargetPath(targetName)); } if (targetSegment[0] == '@' && i != targetSegments.Length - 1) { throw new InvalidOperationException(Strings.EpmTargetTree_AttributeInMiddle(targetSegment)); } EpmTargetPathSegment foundSegment = activeSubSegments.SingleOrDefault( segment => segment.SegmentName == targetSegment && (isSyndication || segment.SegmentNamespaceUri == namespaceUri)); if (foundSegment != null) { currentSegment = foundSegment; } else { currentSegment = new EpmTargetPathSegment(targetSegment, namespaceUri, namespacePrefix, currentSegment); if (targetSegment[0] == '@') { activeSubSegments.Insert(0, currentSegment); } else { activeSubSegments.Add(currentSegment); } } activeSubSegments = currentSegment.SubSegments; } if (currentSegment.HasContent) { throw new ArgumentException(Strings.EpmTargetTree_DuplicateEpmAttrsWithSameTargetName(EpmTargetTree.GetPropertyNameFromEpmInfo(currentSegment.EpmInfo), currentSegment.EpmInfo.DefiningType.Name, currentSegment.EpmInfo.Attribute.SourcePath, epmInfo.Attribute.SourcePath)); } if (!epmInfo.Attribute.KeepInContent) { this.countOfNonContentProperties++; } currentSegment.EpmInfo = epmInfo; if (EpmTargetTree.HasMixedContent(this.NonSyndicationRoot, false)) { throw new InvalidOperationException(Strings.EpmTargetTree_InvalidTargetPath(targetName)); } }
/// <summary> /// Given a segment, writes the element to xml writer corresponding to it, works recursively to write child elements/attributes /// </summary> /// <param name="targetSegment">Segment being written</param> /// <param name="provider">Data Service provider used for rights verification.</param> private void WriteElement(EpmTargetPathSegment targetSegment, DataServiceProviderWrapper provider) #endif { // Content to be written in an element EpmCustomContentWriterNodeData currentContent = this.visitorContent[targetSegment]; currentContent.XmlContentWriter.WriteStartElement( targetSegment.SegmentNamespacePrefix, targetSegment.SegmentName, targetSegment.SegmentNamespaceUri); #if ASTORIA_CLIENT // Serialize the attributes and children before serializing the data itself base.Serialize(targetSegment, EpmSerializationKind.Attributes); #else // Serialize the attributes and children before serializing the data itself base.Serialize(targetSegment, EpmSerializationKind.Attributes, provider); #endif if (targetSegment.HasContent) { Debug.Assert(currentContent.Data != null, "Must always have non-null data content value"); currentContent.XmlContentWriter.WriteString(currentContent.Data); } #if ASTORIA_CLIENT // Serialize the attributes and children before serializing the data itself base.Serialize(targetSegment, EpmSerializationKind.Elements); #else // Serialize the attributes and children before serializing the data itself base.Serialize(targetSegment, EpmSerializationKind.Elements, provider); #endif currentContent.XmlContentWriter.WriteEndElement(); }
/// <summary> /// Internal interface to be overridden in the subclasses. /// Goes through each subsegments and invokes itself for the children /// </summary> /// <param name="targetSegment">Current root segment in the target tree</param> /// <param name="kind">Which sub segments to serialize</param> protected virtual void Serialize(EpmTargetPathSegment targetSegment, EpmSerializationKind kind)
/// <summary>Initialize the visitor content for all of root's grandchildren and beyond</summary> /// <param name="subSegment">One of root's children</param> private void InitializeSubSegmentVisitorContent(EpmTargetPathSegment subSegment) { foreach (EpmTargetPathSegment segment in subSegment.SubSegments) { this.visitorContent.Add(segment, new EpmCustomContentWriterNodeData(this.visitorContent[subSegment], segment, this.Element)); this.InitializeSubSegmentVisitorContent(segment); } }
protected virtual void Serialize(EpmTargetPathSegment targetSegment, EpmSerializationKind kind, DataServiceProviderWrapper provider) #endif { IEnumerable<EpmTargetPathSegment> segmentsToSerialize; switch (kind) { case EpmSerializationKind.Attributes: segmentsToSerialize = targetSegment.SubSegments.Where(s => s.IsAttribute == true); break; case EpmSerializationKind.Elements: segmentsToSerialize = targetSegment.SubSegments.Where(s => s.IsAttribute == false); break; default: Debug.Assert(kind == EpmSerializationKind.All, "Must serialize everything"); segmentsToSerialize = targetSegment.SubSegments; break; } foreach (EpmTargetPathSegment segment in segmentsToSerialize) { #if ASTORIA_CLIENT this.Serialize(segment, kind); #else this.Serialize(segment, kind, provider); #endif } }
/// <summary> /// Override of the base Visitor method, which actually performs mapping search and serialization /// </summary> /// <param name="targetSegment">Current segment being checked for mapping</param> /// <param name="kind">Which sub segments to serialize</param> protected override void Serialize(EpmTargetPathSegment targetSegment, EpmSerializationKind kind)
protected virtual void Serialize(EpmTargetPathSegment targetSegment, EpmSerializationKind kind)
private void PopulateData(EpmTargetPathSegment segment, object element)
/// <summary> /// Matches the targetSegment with properties already applied and if finds something already applied considers it a match /// </summary> /// <param name="targetSegment">Target segment for which existing property application is checked for</param> /// <param name="propertiesApplied">Properties already applied based on content</param> /// <returns>true if already the property for the current segment has been applied</returns> internal static bool Match(EpmTargetPathSegment targetSegment, EpmContentDeSerializer.EpmAppliedPropertyInfo propertiesApplied) { if (!targetSegment.EpmInfo.Attribute.KeepInContent) { return propertiesApplied.Lookup(targetSegment.EpmInfo.Attribute.SourcePath); } else { return true; } }
/// <summary> /// Given a segment, writes the element to xml writer corresponding to it, works recursively to write child elements/attributes /// </summary> /// <param name="targetSegment">Segment being written</param> private void WriteElement(EpmTargetPathSegment targetSegment)
/// <summary> /// Override of the base Visitor method, which actually performs mapping search and serialization /// </summary> /// <param name="targetSegment">Current segment being checked for mapping</param> /// <param name="kind">Which sub segments to serialize</param> /// <param name="provider">Data Service provider used for rights verification.</param> protected override void Serialize(EpmTargetPathSegment targetSegment, EpmSerializationKind kind, DataServiceProviderWrapper provider) { if (targetSegment.HasContent) { EntityPropertyMappingInfo epmInfo = targetSegment.EpmInfo; Object propertyValue; try { propertyValue = epmInfo.ReadPropertyValue(this.Element, provider); } catch (System.Reflection.TargetInvocationException e) { ErrorHandler.HandleTargetInvocationException(e); throw; } if (propertyValue == null) { this.nullValuedProperties.Add(epmInfo); } String textPropertyValue = propertyValue != null?PlainXmlSerializer.PrimitiveToString(propertyValue) : String.Empty; TextSyndicationContentKind contentKind = (TextSyndicationContentKind)epmInfo.Attribute.TargetTextContentKind; switch (epmInfo.Attribute.TargetSyndicationItem) { case SyndicationItemProperty.AuthorEmail: this.CreateAuthor(false); this.author.Email = textPropertyValue; break; case SyndicationItemProperty.AuthorName: this.CreateAuthor(false); this.author.Name = textPropertyValue; this.authorNamePresent = true; break; case SyndicationItemProperty.AuthorUri: this.CreateAuthor(false); this.author.Uri = textPropertyValue; break; case SyndicationItemProperty.ContributorEmail: case SyndicationItemProperty.ContributorName: case SyndicationItemProperty.ContributorUri: this.SetContributorProperty(epmInfo.Attribute.TargetSyndicationItem, textPropertyValue); break; case SyndicationItemProperty.Updated: this.Target.LastUpdatedTime = EpmSyndicationContentSerializer.GetDate(propertyValue, Strings.EpmSerializer_UpdatedHasWrongType); break; case SyndicationItemProperty.Published: this.Target.PublishDate = EpmSyndicationContentSerializer.GetDate(propertyValue, Strings.EpmSerializer_PublishedHasWrongType); break; case SyndicationItemProperty.Rights: this.Target.Copyright = new TextSyndicationContent(textPropertyValue, contentKind); break; case SyndicationItemProperty.Summary: this.Target.Summary = new TextSyndicationContent(textPropertyValue, contentKind); break; case SyndicationItemProperty.Title: this.Target.Title = new TextSyndicationContent(textPropertyValue, contentKind); break; default: Debug.Fail("Unhandled SyndicationItemProperty enum value - should never get here."); break; } } else { base.Serialize(targetSegment, kind, provider); } }
internal void Add(EntityPropertyMappingInfo epmInfo) { String targetName = epmInfo.Attribute.TargetPath; bool isSyndication = epmInfo.Attribute.TargetSyndicationItem != SyndicationItemProperty.CustomProperty; String namespaceUri = epmInfo.Attribute.TargetNamespaceUri; String namespacePrefix = epmInfo.Attribute.TargetNamespacePrefix; EpmTargetPathSegment currentSegment = isSyndication ? this.SyndicationRoot : this.NonSyndicationRoot; IList <EpmTargetPathSegment> activeSubSegments = currentSegment.SubSegments; Debug.Assert(!String.IsNullOrEmpty(targetName), "Must have been validated during EntityPropertyMappingAttribute construction"); String[] targetSegments = targetName.Split('/'); for (int i = 0; i < targetSegments.Length; i++) { String targetSegment = targetSegments[i]; if (targetSegment.Length == 0) { throw new InvalidOperationException(Strings.EpmTargetTree_InvalidTargetPath(targetName)); } if (targetSegment[0] == '@' && i != targetSegments.Length - 1) { throw new InvalidOperationException(Strings.EpmTargetTree_AttributeInMiddle(targetSegment)); } EpmTargetPathSegment foundSegment = activeSubSegments.SingleOrDefault( segment => segment.SegmentName == targetSegment && (isSyndication || segment.SegmentNamespaceUri == namespaceUri)); if (foundSegment != null) { currentSegment = foundSegment; } else { currentSegment = new EpmTargetPathSegment(targetSegment, namespaceUri, namespacePrefix, currentSegment); if (targetSegment[0] == '@') { activeSubSegments.Insert(0, currentSegment); } else { activeSubSegments.Add(currentSegment); } } activeSubSegments = currentSegment.SubSegments; } if (currentSegment.HasContent) { throw new ArgumentException(Strings.EpmTargetTree_DuplicateEpmAttrsWithSameTargetName(EpmTargetTree.GetPropertyNameFromEpmInfo(currentSegment.EpmInfo), currentSegment.EpmInfo.DefiningType.Name, currentSegment.EpmInfo.Attribute.SourcePath, epmInfo.Attribute.SourcePath)); } if (!epmInfo.Attribute.KeepInContent) { this.countOfNonContentProperties++; } currentSegment.EpmInfo = epmInfo; if (EpmTargetTree.HasMixedContent(this.NonSyndicationRoot, false)) { throw new InvalidOperationException(Strings.EpmTargetTree_InvalidTargetPath(targetName)); } }
/// <summary>Called internally to deserialize each <see cref="SyndicationElementExtension"/></summary> /// <param name="reader">XmlReader for current extension</param> /// <param name="currentRoot">Node in the target path being processed</param> /// <param name="resourceType">ResourceType</param> /// <param name="element">object being deserialized</param> private void DeSerialize(XmlReader reader, EpmTargetPathSegment currentRoot, ResourceType resourceType, object element) { EpmValueBuilder currentValue = new EpmValueBuilder(); do { switch (reader.NodeType) { case XmlNodeType.Element: if (currentRoot.HasContent) { // Throw an exception that we hit mixed-content. // <contentElement>value<someElement /></contentElement> // <contentElement><someElement />value</contentElement> throw DataServiceException.CreateBadRequestError(Strings.EpmDeserialize_MixedContent(resourceType.FullName)); } String elementName = reader.LocalName; String namespaceUri = reader.NamespaceURI; EpmTargetPathSegment newRoot = currentRoot.SubSegments .SingleOrDefault(s => s.SegmentNamespaceUri == namespaceUri && s.SegmentName == elementName); if (newRoot == null) { WebUtil.SkipToEnd(reader, elementName, namespaceUri); continue; } currentRoot = newRoot; this.DeserializeAttributes(reader, currentRoot, element, resourceType); if (currentRoot.HasContent) { if (reader.IsEmptyElement) { if (!EpmContentDeSerializerBase.Match(currentRoot, this.PropertiesApplied)) { resourceType.SetEpmValue(currentRoot, element, String.Empty, this); } currentRoot = currentRoot.ParentSegment; } } break; case XmlNodeType.CDATA: case XmlNodeType.Text: case XmlNodeType.SignificantWhitespace: if (!currentRoot.HasContent) { // Throw an exception that we hit mixed-content. // <noContentElement>value<contentElement>value</contentElement></noContentElement> // <noContentElement><contentElement>value</contentElement>value</noContentElement> throw DataServiceException.CreateBadRequestError(Strings.EpmDeserialize_MixedContent(resourceType.FullName)); } currentValue.Append(reader.Value); break; case XmlNodeType.EndElement: if (currentRoot.HasContent) { if (!EpmContentDeSerializerBase.Match(currentRoot, this.PropertiesApplied)) { resourceType.SetEpmValue(currentRoot, element, currentValue.Value, this); } } currentRoot = currentRoot.ParentSegment; currentValue.Reset(); break; case XmlNodeType.Comment: case XmlNodeType.Whitespace: break; case XmlNodeType.None: case XmlNodeType.XmlDeclaration: case XmlNodeType.Attribute: case XmlNodeType.EndEntity: case XmlNodeType.EntityReference: case XmlNodeType.Entity: case XmlNodeType.Document: case XmlNodeType.DocumentType: case XmlNodeType.DocumentFragment: case XmlNodeType.Notation: case XmlNodeType.ProcessingInstruction: throw DataServiceException.CreateBadRequestError(Strings.EpmDeserialize_InvalidXmlEntity); } } while (currentRoot.ParentSegment != null && reader.Read()); }
/// <summary> /// Override of the base Visitor method, which actually performs mapping search and serialization /// </summary> /// <param name="targetSegment">Current segment being checked for mapping</param> /// <param name="kind">Which sub segments to serialize</param> protected override void Serialize(EpmTargetPathSegment targetSegment, EpmSerializationKind kind)
/// <summary> /// Override of the base Visitor method, which actually performs mapping search and serialization /// </summary> /// <param name="targetSegment">Current segment being checked for mapping</param> /// <param name="kind">Which sub segments to serialize</param> protected override void Serialize(EpmTargetPathSegment targetSegment, EpmSerializationKind kind) { if (targetSegment.HasContent) { EntityPropertyMappingInfo epmInfo = targetSegment.EpmInfo; Object propertyValue; try { propertyValue = epmInfo.ReadPropertyValue(this.Element); } catch (System.Reflection.TargetInvocationException) { throw; } String contentType; Action<String> contentWriter; switch (epmInfo.Attribute.TargetTextContentKind) { case SyndicationTextContentKind.Html: contentType = "html"; contentWriter = this.Target.WriteString; break; case SyndicationTextContentKind.Xhtml: contentType = "xhtml"; contentWriter = this.Target.WriteRaw; break; default: contentType = "text"; contentWriter = this.Target.WriteString; break; } Action<String, bool, bool> textSyndicationWriter = (c, nonTextPossible, atomDateConstruct) => { this.Target.WriteStartElement(c, XmlConstants.AtomNamespace); if (nonTextPossible) { this.Target.WriteAttributeString(XmlConstants.AtomTypeAttributeName, String.Empty, contentType); } // As per atomPub spec dateConstructs must contain valid datetime. Therefore we need to fill atom:updated/atom:published // field with something (e.g. DateTimeOffset.MinValue) if the user wants to map null to either of these fields. This will // satisfy protocol requirements and Syndication API. Note that the content will still contain information saying that the // mapped property is supposed to be null - therefore the server will know that the actual value sent by the user is null. // For all other elements we can use empty string since the content is not validated. String textPropertyValue = propertyValue != null ? ClientConvert.ToString(propertyValue, atomDateConstruct) : atomDateConstruct ? ClientConvert.ToString(DateTime.MinValue, atomDateConstruct) : String.Empty; contentWriter(textPropertyValue); this.Target.WriteEndElement(); }; switch (epmInfo.Attribute.TargetSyndicationItem) { case SyndicationItemProperty.AuthorEmail: case SyndicationItemProperty.ContributorEmail: textSyndicationWriter(XmlConstants.AtomEmailElementName, false, false); break; case SyndicationItemProperty.AuthorName: case SyndicationItemProperty.ContributorName: textSyndicationWriter(XmlConstants.AtomNameElementName, false, false); this.authorNamePresent = true; break; case SyndicationItemProperty.AuthorUri: case SyndicationItemProperty.ContributorUri: textSyndicationWriter(XmlConstants.AtomUriElementName, false, false); break; case SyndicationItemProperty.Updated: textSyndicationWriter(XmlConstants.AtomUpdatedElementName, false, true); this.updatedPresent = true; break; case SyndicationItemProperty.Published: textSyndicationWriter(XmlConstants.AtomPublishedElementName, false, true); break; case SyndicationItemProperty.Rights: textSyndicationWriter(XmlConstants.AtomRightsElementName, true, false); break; case SyndicationItemProperty.Summary: textSyndicationWriter(XmlConstants.AtomSummaryElementName, true, false); break; case SyndicationItemProperty.Title: textSyndicationWriter(XmlConstants.AtomTitleElementName, true, false); break; default: Debug.Assert(false, "Unhandled SyndicationItemProperty enum value - should never get here."); break; } } else { if (targetSegment.SegmentName == XmlConstants.AtomAuthorElementName) { this.CreateAuthor(false); base.Serialize(targetSegment, kind); this.FinishAuthor(); } else if (targetSegment.SegmentName == XmlConstants.AtomContributorElementName) { this.Target.WriteStartElement(XmlConstants.AtomContributorElementName, XmlConstants.AtomNamespace); base.Serialize(targetSegment, kind); this.Target.WriteEndElement(); } else { Debug.Assert(false, "Only authors and contributors have nested elements"); } } }