protected void ApplyProperty(ODataProperty property, ResourceType resourceType, object resource)
{
ResourceType type;
string name = property.Name;
ResourceProperty resourceProperty = resourceType.TryResolvePropertyName(name);
if (resourceProperty == null)
{
type = null;
}
else
{
if (resourceProperty.Kind == ResourcePropertyKind.Stream)
{
return;
}
if (base.Update && resourceProperty.IsOfKind(ResourcePropertyKind.Key))
{
return;
}
type = resourceProperty.ResourceType;
}
object propertyValue = this.ConvertValue(property.Value, ref type);
if (resourceProperty == null)
{
Deserializer.SetOpenPropertyValue(resource, name, propertyValue, base.Service);
}
else
{
Deserializer.SetPropertyValue(resourceProperty, resource, propertyValue, base.Service);
}
}
/// <summary>
/// Validates that a property with the specified name exists on a given resource type.
/// The resource type can be null if no metadata is available.
/// </summary>
/// <param name="propertyName">The name of the property to validate.</param>
/// <param name="owningType">The owning resource type of the property with name <paramref name="propertyName"/>
/// or null if no metadata is available.</param>
/// <returns>The <see cref="ResourceProperty"/> instance representing the property with name <paramref name="propertyName"/>
/// or null if no metadata is available.</returns>
internal static ResourceProperty ValidatePropertyDefined(string propertyName, ResourceType owningType)
{
DebugUtils.CheckNoExternalCallers();
Debug.Assert(!string.IsNullOrEmpty(propertyName), "!string.IsNullOrEmpty(propertyName)");
if (owningType == null)
{
return null;
}
ResourceProperty resourceProperty = owningType.TryResolvePropertyName(propertyName);
// verify that the property is declared if the type is not an open type.
if (!owningType.IsOpenType && resourceProperty == null)
{
throw new ODataException(Strings.ODataWriter_PropertyDoesNotExistOnType(propertyName, owningType.FullName));
}
return resourceProperty;
}
/// <summary>
/// Constructs a ResourceAssociationEnd instance.
/// </summary>
/// <param name="resourceSet">Resource set of the association end.</param>
/// <param name="resourceType">Resource type of the association end.</param>
/// <param name="resourceProperty">Resource property of the association end.</param>
public ResourceAssociationSetEnd(ResourceSet resourceSet, ResourceType resourceType, ResourceProperty resourceProperty)
{
WebUtil.CheckArgumentNull(resourceSet, "resourceSet");
WebUtil.CheckArgumentNull(resourceType, "resourceType");
if (resourceProperty != null && (resourceType.TryResolvePropertyName(resourceProperty.Name) == null || resourceProperty.TypeKind != ResourceTypeKind.EntityType))
{
throw new ArgumentException(Strings.ResourceAssociationSetEnd_ResourcePropertyMustBeNavigationPropertyOnResourceType);
}
if (!resourceSet.ResourceType.IsAssignableFrom(resourceType) && !resourceType.IsAssignableFrom(resourceSet.ResourceType))
{
throw new ArgumentException(Strings.ResourceAssociationSetEnd_ResourceTypeMustBeAssignableToResourceSet);
}
this.resourceSet = resourceSet;
this.resourceType = resourceType;
// Note that for the TargetEnd, resourceProperty can be null.
this.resourceProperty = resourceProperty;
}
/// <summary>
/// Constructs a ResourceAssociationEnd instance.
/// </summary>
/// <param name="resourceSet">Resource set of the association end.</param>
/// <param name="resourceType">Resource type of the association end.</param>
/// <param name="resourceProperty">Resource property of the association end.</param>
public ResourceAssociationSetEnd(ResourceSet resourceSet, ResourceType resourceType, ResourceProperty resourceProperty)
{
WebUtil.CheckArgumentNull(resourceSet, "resourceSet");
WebUtil.CheckArgumentNull(resourceType, "resourceType");
if (resourceProperty != null && (resourceType.TryResolvePropertyName(resourceProperty.Name) == null || resourceProperty.TypeKind != ResourceTypeKind.EntityType))
{
throw new ArgumentException(Strings.ResourceAssociationSetEnd_ResourcePropertyMustBeNavigationPropertyOnResourceType);
}
if (!resourceSet.ResourceType.IsAssignableFrom(resourceType) && !resourceType.IsAssignableFrom(resourceSet.ResourceType))
{
throw new ArgumentException(Strings.ResourceAssociationSetEnd_ResourceTypeMustBeAssignableToResourceSet);
}
this.resourceSet = resourceSet;
this.resourceType = resourceType;
// Note that for the TargetEnd, resourceProperty can be null.
this.resourceProperty = resourceProperty;
}
public ResourceAssociationSet GetResourceAssociationSet(ResourceSetWrapper resourceSet, ResourceType resourceType, ResourceProperty resourceProperty)
{
ResourceAssociationSet set;
resourceType = GetDeclaringTypeForProperty(resourceType, resourceProperty, null);
string key = string.Concat(new object[] { resourceSet.Name, '_', resourceType.FullName, '_', resourceProperty.Name });
if (!this.ResourceAssociationSetCache.TryGetValue(key, out set))
{
set = this.metadataProvider.GetResourceAssociationSet(resourceSet.ResourceSet, resourceType, resourceProperty);
if (set != null)
{
ResourceAssociationSetEnd end = set.GetResourceAssociationSetEnd(resourceSet, resourceType, resourceProperty);
ResourceAssociationSetEnd end2 = set.GetRelatedResourceAssociationSetEnd(resourceSet, resourceType, resourceProperty);
ResourceSetWrapper wrapper = this.ValidateResourceSet(end2.ResourceSet);
if (wrapper == null)
{
set = null;
}
else
{
ResourceType type = this.ValidateResourceType(end2.ResourceType);
ResourceProperty property = null;
if (end2.ResourceProperty != null)
{
ResourcePropertyKind stream = ResourcePropertyKind.Stream;
property = type.TryResolvePropertyName(end2.ResourceProperty.Name, stream);
}
resourceType = this.ValidateResourceType(end.ResourceType);
if ((((end.ResourceSet != resourceSet.ResourceSet) || (end.ResourceType != resourceType)) || ((end.ResourceProperty != resourceProperty) || (end2.ResourceSet != wrapper.ResourceSet))) || ((end2.ResourceType != type) || (end2.ResourceProperty != property)))
{
set = new ResourceAssociationSet(set.Name, new ResourceAssociationSetEnd(resourceSet.ResourceSet, resourceType, resourceProperty), new ResourceAssociationSetEnd(wrapper.ResourceSet, type, property));
}
}
}
this.ResourceAssociationSetCache.Add(key, set);
}
return(set);
}
/// <summary>
/// Populate the properties of the given resource
/// </summary>
/// <param name="jsonObject">JsonObjectRecords containing property name and values</param>
/// <param name="resource">instance of the resource whose properties needs to be populated</param>
/// <param name="parentResourceSet">resource set where <paramref name="resource"/> belongs to</param>
/// <param name="parentResourceType">resource type whose properties needs to be populated</param>
/// <returns>true if any properties were set; false otherwise.</returns>
private bool PopulateProperties(JsonReader.JsonObjectRecords jsonObject, object resource, ResourceSetWrapper parentResourceSet, ResourceType parentResourceType)
{
// Update all the properties specified in the payload.
// Don't touch the properties which are not specified. Its upto the provider to interpret
// the meaning of things which are not specified
bool changed = false;
List<ResourceProperty> navProperties = new List<ResourceProperty>();
List<object> navPropertyValues = new List<object>();
#region Handle Non-Nav Properties
foreach (string propertyName in jsonObject.OrderedKeys)
{
// Ignore the metadata property
if (propertyName == XmlConstants.JsonMetadataString)
{
continue;
}
// Check if the property exists and try and set the value
ResourceProperty resourceProperty = parentResourceType.TryResolvePropertyName(propertyName);
if (resourceProperty == null && parentResourceType.IsOpenType == false)
{
throw DataServiceException.CreateBadRequestError(Strings.BadRequest_InvalidPropertyNameSpecified(propertyName, parentResourceType.FullName));
}
// Get the property value, set it appropriately, and mark the object as changed.
object propertyValue = jsonObject.Entries[propertyName];
bool existingRelationship;
// If its a open property
if (resourceProperty == null)
{
this.HandleOpenTypeProperties(resource, propertyName, propertyValue);
changed = true;
}
else if (resourceProperty.TypeKind == ResourceTypeKind.ComplexType)
{
SegmentInfo segmentInfo = CreateSegment(resourceProperty, resourceProperty.Name, null, true /* singleResult */);
segmentInfo.TargetKind = RequestTargetKind.ComplexObject;
propertyValue = this.CreateObject(propertyValue, segmentInfo, false /*topLevel*/, out existingRelationship);
SetPropertyValue(resourceProperty, resource, propertyValue, ContentFormat.Json, this.Service);
changed = true;
}
else if (resourceProperty.TypeKind == ResourceTypeKind.Primitive)
{
// Ignoring the value of key properties in PUT payload
if (!this.Update || !resourceProperty.IsOfKind(ResourcePropertyKind.Key))
{
SetPropertyValue(resourceProperty, resource, propertyValue, ContentFormat.Json, this.Service);
}
changed = true;
}
else
{
Debug.Assert(ResourceTypeKind.EntityType == resourceProperty.TypeKind, "only expecting nav properties");
if (IsDeferredElement(propertyValue))
{
// Skip the deferred element
continue;
}
else
{
navProperties.Add(resourceProperty);
navPropertyValues.Add(propertyValue);
}
}
}
#endregion Non-Navigation Properties
#region Handle Navigation Properties
Debug.Assert(navProperties.Count == navPropertyValues.Count, "nav properties and nav property values count must be the same");
// The reason why we need to do this is so that we can gaurantee that the nav properties are getting set at the end.
// This is nice, since we already do this in the atom deserializer. Hence its consistent. Second, we wanted to
// give a gaurantee that when FK and nav properties are specified in the payload, nav properties always win.
for (int i = 0; i < navProperties.Count; i++)
{
this.HandleNavigationProperty(parentResourceSet, parentResourceType, resource, navProperties[i], navPropertyValues[i]);
changed = true;
}
#endregion Handle Navigation Properties
return changed;
}
/// <summary>
/// Given a collection of <paramref name="segments"/> corresponding to a property access path
/// on the <paramref name="element"/> object, sets the <paramref name="propertyValue"/> on the property
/// </summary>
/// <param name="segments">Property access path where each element is a property name</param>
/// <param name="resourceType">Resource type for which to set the property</param>
/// <param name="element">Object on which to set property</param>
/// <param name="propertyValue">Value of property</param>
/// <param name="currentIndex">Index of the current segment being looked at</param>
/// <param name="deserializer">Current deserializer</param>
internal void SetPropertyValueFromPath(
String[] segments,
ResourceType resourceType,
object element,
object propertyValue,
int currentIndex,
EpmContentDeSerializerBase deserializer)
{
String currentSegment = segments[currentIndex];
ResourceProperty clientProp = resourceType.TryResolvePropertyName(currentSegment);
ResourceType propertyType;
if (clientProp == null && resourceType.IsOpenType == false)
{
throw DataServiceException.CreateBadRequestError(Strings.BadRequest_InvalidPropertyNameSpecified(currentSegment, resourceType.FullName));
}
// If this is a open property OR we do not have to do type conversion for primitive types,
// read the type from the payload.
if (clientProp == null ||
(!deserializer.Service.Configuration.EnableTypeConversion && clientProp.ResourceType.ResourceTypeKind == ResourceTypeKind.Primitive))
{
String foundTypeName = deserializer.PropertiesApplied.MapPropertyToType(String.Join("/", segments, 0, currentIndex + 1));
if (foundTypeName != null)
{
propertyType = WebUtil.TryResolveResourceType(deserializer.Service.Provider, foundTypeName);
if (propertyType == null)
{
throw DataServiceException.CreateBadRequestError(Strings.BadRequest_InvalidTypeName(foundTypeName));
}
if (propertyType.ResourceTypeKind == ResourceTypeKind.EntityType)
{
throw DataServiceException.CreateBadRequestError(
Strings.PlainXml_EntityTypeNotSupported(propertyType.FullName));
}
}
else
{
propertyType = ResourceType.PrimitiveStringResourceType;
}
}
else
{
propertyType = clientProp.ResourceType;
}
object currentValue;
// Re-construct the source path to add the newly applied property
string sourcePath = string.Join("/", segments, 0, currentIndex + 1);
switch (propertyType.ResourceTypeKind)
{
case ResourceTypeKind.ComplexType:
if (!deserializer.PropertiesApplied.Lookup(sourcePath))
{
// Complex types are treated as atomic and we never allow merging of properties belonging to
// a complex type. In other words, we either update the whole complex type or not at all,
// never just a subset of its properties. If the complex property has not been applied yet
// we create a new instance then apply its property mappings.
currentValue = deserializer.Updatable.CreateResource(null, propertyType.FullName);
ResourceType.SetEpmProperty(element, currentSegment, currentValue, sourcePath, deserializer);
}
else
{
// We've already created a new instance of the complex property by now, reuse the same instance.
currentValue = deserializer.Updatable.GetValue(element, currentSegment);
Debug.Assert(currentValue != null, "currentValue != null -- we should never be here if the complex property were null.");
}
this.SetPropertyValueFromPath(segments, propertyType, currentValue, propertyValue, ++currentIndex, deserializer);
break;
case ResourceTypeKind.EntityType:
throw DataServiceException.CreateBadRequestError(
Strings.PlainXml_NavigationPropertyNotSupported(clientProp.Name));
default:
Debug.Assert(
propertyType.ResourceTypeKind == ResourceTypeKind.Primitive,
"property.TypeKind == ResourceTypeKind.Primitive -- metadata shouldn't return " + propertyType.ResourceTypeKind);
currentValue = PlainXmlDeserializer.ConvertValuesForXml(propertyValue, currentSegment, propertyType.InstanceType);
// Do not try to update the property if it is a key property
if (!deserializer.IsUpdateOperation || clientProp == null || !clientProp.IsOfKind(ResourcePropertyKind.Key))
{
ResourceType.SetEpmProperty(element, currentSegment, currentValue, sourcePath, deserializer);
}
break;
}
}
/// <summary>
/// Binds a key property value.
/// </summary>
/// <param name="namedValue">The named value to bind.</param>
/// <param name="collectionItemType">The resource type of a single item in a collection to apply the key value to.</param>
/// <returns>The bound key property value node.</returns>
private KeyPropertyValue BindKeyPropertyValue(NamedValue namedValue, ResourceType collectionItemType)
{
// These are exception checks because the data comes directly from the potentially user specified tree.
ExceptionUtils.CheckArgumentNotNull(namedValue, "namedValue");
ExceptionUtils.CheckArgumentNotNull(namedValue.Value, "namedValue.Value");
Debug.Assert(collectionItemType != null, "collectionItemType != null");
Debug.Assert(collectionItemType.ResourceTypeKind == ResourceTypeKind.EntityType, "collectionItemType.ResourceTypeKind == ResourceTypeKind.EntityType");
ResourceProperty keyProperty;
if (namedValue.Name == null)
{
if (collectionItemType.KeyProperties.Count != 1)
{
throw new ODataException(Strings.MetadataBinder_UnnamedKeyValueOnTypeWithMultipleKeyProperties(collectionItemType.FullName));
}
keyProperty = collectionItemType.KeyProperties[0];
}
else
{
keyProperty = collectionItemType.TryResolvePropertyName(namedValue.Name);
if (keyProperty == null)
{
throw new ODataException(Strings.MetadataBinder_PropertyNotDeclared(collectionItemType.FullName, namedValue.Name));
}
if (!keyProperty.IsOfKind(ResourcePropertyKind.Key))
{
throw new ODataException(Strings.MetadataBinder_PropertyNotKeyInKeyValue(keyProperty.Name, collectionItemType.FullName));
}
}
ResourceType keyPropertyType = this.metadataProvider.ValidateResourceType(keyProperty.ResourceType);
SingleValueQueryNode value = (SingleValueQueryNode)this.Bind(namedValue.Value);
// TODO: Check that the value is of primitive type
value = this.ConvertToType(value, keyPropertyType);
Debug.Assert(keyProperty != null, "keyProperty != null");
return new KeyPropertyValue()
{
KeyProperty = keyProperty,
KeyValue = value
};
}
/// <summary>
/// Returns a resource type of the property on the specified resource type.
/// </summary>
/// <param name="resourceType">The resource type to look for the property on.</param>
/// <param name="propertyName">The name of the property to look for.</param>
/// <param name="isMultiValueProperty">return true if the property was a MultiValue property.</param>
/// <returns>The type of the property specified. Note that for MultiValue properties this returns the type of the item of the MultiValue property.</returns>
private static ResourceType GetPropertyType(ResourceType resourceType, string propertyName, out bool isMultiValueProperty)
{
Debug.Assert(propertyName != null, "propertyName != null");
isMultiValueProperty = false;
ResourceProperty resourceProperty = resourceType != null ? resourceType.TryResolvePropertyName(propertyName) : null;
if (resourceProperty != null)
{
if (resourceProperty.IsOfKind(ResourcePropertyKind.MultiValue))
{
isMultiValueProperty = true;
Debug.Assert(resourceProperty.ResourceType is MultiValueResourceType, "MultiValue property must be of the MultiValueResourceType.");
MultiValueResourceType multiValueResourceType = (MultiValueResourceType)resourceProperty.ResourceType;
return multiValueResourceType.ItemType;
}
else
{
return resourceProperty.ResourceType;
}
}
else
{
if (resourceType != null && !resourceType.IsOpenType)
{
// could be a named stream
resourceProperty = resourceType.TryResolveNamedStream(propertyName);
if (resourceProperty != null)
{
throw new ODataException(Strings.EpmSourceTree_NamedStreamCannotBeMapped(propertyName, resourceType.FullName));
}
else
{
throw new ODataException(Strings.EpmSourceTree_MissingPropertyOnType(propertyName, resourceType.FullName));
}
}
return null;
}
}
/// <summary>Applies the information from a link to the specified resource.</summary>
/// <param name='link'>LinkDescriptor with information to apply.</param>
/// <param name="resourceSet">Set for the target resource.</param>
/// <param name='resourceType'>Type for the target resource.</param>
/// <param name='resource'>Target resource to which information will be applied.</param>
/// <param name="propertyName">Name of the property that this link represents.</param>
private void ApplyLink(SyndicationLink link, ResourceSetWrapper resourceSet, ResourceType resourceType, object resource, string propertyName)
{
Debug.Assert(link != null, "link != null");
Debug.Assert(resourceType != null, "resourceType != null");
Debug.Assert(resource != null, "resource != null");
ResourceProperty property = resourceType.TryResolvePropertyName(propertyName);
if (property == null)
{
// Open navigation properties are not supported on OpenTypes
throw DataServiceException.CreateBadRequestError(Strings.OpenNavigationPropertiesNotSupportedOnOpenTypes(propertyName));
}
if (property.TypeKind != ResourceTypeKind.EntityType)
{
throw DataServiceException.CreateBadRequestError(Strings.BadRequest_InvalidNavigationPropertyName(propertyName, resourceType.FullName));
}
string typeParameterValue = ValidateTypeParameterForNonOpenTypeProperties(link.MediaType, property);
LinkContent linkContent = this.HandleLinkContent(link, resource, resourceSet, resourceType, property, typeParameterValue, propertyName);
#region Handle bind/unbind operation
// If the href was specified empty or an empty inline element was specified, then we will set the
// reference to null - this helps in overrriding if there was a default non-value for this property
// else if only link element was specified, and then href points to a single result, then we will
// perform a bind operation
if ((linkContent == LinkContent.NoInlineElementSpecified && link.Uri != null && String.IsNullOrEmpty(link.Uri.OriginalString)) ||
linkContent == LinkContent.EmptyInlineElementSpecified)
{
// update the object count when you are performing a bind operation
this.CheckAndIncrementObjectCount();
if (property != null && property.Kind == ResourcePropertyKind.ResourceSetReference)
{
throw DataServiceException.CreateBadRequestError(Strings.BadRequest_CannotSetCollectionsToNull(propertyName));
}
// For open properties, we will assume that this is a reference property and set it to null
this.Updatable.SetReference(resource, propertyName, null);
}
else if (linkContent == LinkContent.NoInlineElementSpecified && link.Uri != null && !String.IsNullOrEmpty(link.Uri.OriginalString))
{
// update the object count when you are performing a bind operation
this.CheckAndIncrementObjectCount();
// If the link points to a reference navigation property, then update the link
Uri referencedUri = RequestUriProcessor.GetAbsoluteUriFromReference(link.Uri.OriginalString, this.Service.OperationContext);
RequestDescription description = RequestUriProcessor.ProcessRequestUri(referencedUri, this.Service);
if (!description.IsSingleResult)
{
if (property != null && property.Kind == ResourcePropertyKind.ResourceReference)
{
throw DataServiceException.CreateBadRequestError(Strings.BadRequest_LinkHrefMustReferToSingleResource(propertyName));
}
return;
}
// no need to check for null. For collection properties, they can never be null and that
// check has been added below. For reference properties, if they are null, it means unbind
// and hence no need to check for null.
// Get the resource
object targetResource = this.Service.GetResource(description, description.SegmentInfos.Length - 1, null);
if (property.Kind == ResourcePropertyKind.ResourceReference)
{
this.Updatable.SetReference(resource, propertyName, targetResource);
}
else
{
WebUtil.CheckResourceExists(targetResource != null, description.LastSegmentInfo.Identifier);
this.Updatable.AddReferenceToCollection(resource, propertyName, targetResource);
}
}
#endregion Handle bind/unbind operation
}
private void WriteObjectProperties(IExpandedResult expanded, object customObject, ResourceType resourceType, Uri parentUri, bool objectIsResource)
{
Debug.Assert(customObject != null, "customObject != null");
Debug.Assert(resourceType != null, "customObjectType != null");
Debug.Assert(
((customObject is IProjectedResult) && (resourceType.FullName == ((IProjectedResult)customObject).ResourceTypeName)) ||
(resourceType.InstanceType.IsAssignableFrom(customObject.GetType())),
"The type of the object doesn't match the resource type specified.");
Debug.Assert(parentUri != null, "parentUri != null");
Debug.Assert(resourceType.ResourceTypeKind != ResourceTypeKind.Primitive, "resourceType.ResourceTypeKind == ResourceTypeKind.Primitive");
// We should throw while if there are navigation properties in the derived entity type
if (this.CurrentContainer != null && this.Provider.IsEntityTypeDisallowedForSet(this.CurrentContainer, resourceType))
{
throw new InvalidOperationException(Strings.BaseServiceProvider_NavigationPropertiesOnDerivedEntityTypesNotSupported(resourceType.FullName, this.CurrentContainer.Name));
}
IEnumerable<ProjectionNode> projectionNodes = null;
if (resourceType.ResourceTypeKind == ResourceTypeKind.EntityType)
{
projectionNodes = this.GetProjections();
}
if (projectionNodes == null)
{
foreach (ResourceProperty property in this.Provider.GetResourceProperties(this.CurrentContainer, resourceType))
{
Debug.Assert(
objectIsResource || !property.IsOfKind(ResourcePropertyKind.Key),
"objectIsResource || property.Kind != ResourcePropertyKind.KeyPrimitive - complex types shouldn't have key properties");
this.WriteObjectDeclaredProperty(expanded, customObject, property, parentUri);
}
if (resourceType.IsOpenType)
{
foreach (var pair in this.Provider.GetOpenPropertyValues(customObject))
{
this.WriteObjectOpenProperty(pair.Key, pair.Value, parentUri);
}
}
}
else
{
foreach (ProjectionNode projectionNode in projectionNodes)
{
string propertyName = projectionNode.PropertyName;
ResourceProperty property = resourceType.TryResolvePropertyName(propertyName);
if (property != null)
{
if (property.TypeKind != ResourceTypeKind.EntityType ||
this.Provider.GetResourceProperties(this.CurrentContainer, resourceType).Contains(property))
{
this.WriteObjectDeclaredProperty(expanded, customObject, property, parentUri);
}
}
else
{
object propertyValue = WebUtil.GetPropertyValue(this.Provider, customObject, resourceType, null, propertyName);
this.WriteObjectOpenProperty(propertyName, propertyValue, parentUri);
}
}
}
}
/// <summary>Writes all the properties of the specified resource or complex object.</summary>
/// <param name="expanded">Expanded properties for the result.</param>
/// <param name="customObject">Resource or complex object with properties to write out.</param>
/// <param name="resourceType">resourceType containing metadata about the current custom object</param>
/// <param name="absoluteUri">absolute uri for the given resource</param>
/// <param name="relativeUri">relative uri for the given resource</param>
/// <param name="item">Item in which to place links / expansions.</param>
/// <param name="content">Content in which to place values.</param>
/// <param name="currentSourceRoot">Epm source sub-tree corresponding to <paramref name="customObject"/></param>
private void WriteObjectProperties(IExpandedResult expanded, object customObject, ResourceType resourceType, Uri absoluteUri, string relativeUri, SyndicationItem item, DictionaryContent content, EpmSourcePathSegment currentSourceRoot)
{
Debug.Assert(customObject != null, "customObject != null");
Debug.Assert(resourceType != null, "resourceType != null");
Debug.Assert(!String.IsNullOrEmpty(relativeUri), "!String.IsNullOrEmpty(relativeUri)");
if (absoluteUri == null && resourceType.ResourceTypeKind == ResourceTypeKind.EntityType)
{
// entity type should have an URI, complex type should not have an URI
// If the static type of the object is "Object", we will mistreat an entity type as complex type and hit this situation
throw new DataServiceException(500, Strings.BadProvider_InconsistentEntityOrComplexTypeUsage(resourceType.Name));
}
this.RecurseEnter();
try
{
List<ResourcePropertyInfo> navProperties = null;
IEnumerable<ProjectionNode> projectionNodes = null;
if (resourceType.ResourceTypeKind == ResourceTypeKind.EntityType)
{
Debug.Assert(this.CurrentContainer != null, "this.CurrentContainer != null");
if (this.Provider.IsEntityTypeDisallowedForSet(this.CurrentContainer, resourceType))
{
throw new InvalidOperationException(Strings.BaseServiceProvider_NavigationPropertiesOnDerivedEntityTypesNotSupported(resourceType.FullName, this.CurrentContainer.Name));
}
navProperties = new List<ResourcePropertyInfo>(resourceType.Properties.Count);
projectionNodes = this.GetProjections();
}
if (projectionNodes == null)
{
var action = resourceType.DictionarySerializerDelegate;
if (action == null && this.Provider.IsV1Provider)
{
Module module = typeof(SyndicationSerializer).Module;
Type customObjectType = customObject.GetType();
Type[] parameterTypes = new Type[] { typeof(object), typeof(DictionaryContent) };
DynamicMethod method = new DynamicMethod("content_populator", typeof(void), parameterTypes, module, false /* skipVisibility */);
ILGenerator generator = method.GetILGenerator();
MethodInfo methodWritePrimitiveValue = typeof(SyndicationSerializer).GetMethod("WritePrimitiveValue", BindingFlags.Static | BindingFlags.NonPublic);
// Downcast the argument.
generator.Emit(OpCodes.Ldarg_0);
generator.Emit(OpCodes.Castclass, customObjectType);
foreach (ResourceProperty property in resourceType.Properties.Where(p => p.TypeKind == ResourceTypeKind.Primitive))
{
if (SyndicationSerializer.EpmNeedToSkip(currentSourceRoot, property.Name))
{
continue;
}
// WritePrimitiveValue(propertyValue, property.Name, property.ResourceType, content);
generator.Emit(OpCodes.Dup);
generator.Emit(OpCodes.Call, resourceType.GetPropertyInfo(property).GetGetMethod());
if (property.Type.IsValueType)
{
generator.Emit(OpCodes.Box, property.Type);
}
generator.Emit(OpCodes.Ldstr, property.Name);
generator.Emit(OpCodes.Ldstr, property.ResourceType.FullName);
generator.Emit(OpCodes.Ldarg_1);
generator.Emit(OpCodes.Call, methodWritePrimitiveValue);
}
generator.Emit(OpCodes.Pop);
generator.Emit(OpCodes.Ret);
action = (Action<object, DictionaryContent>)method.CreateDelegate(typeof(Action<object, DictionaryContent>), null);
resourceType.DictionarySerializerDelegate = action;
}
if (action != null)
{
action(customObject, content);
}
else
{
foreach (ResourceProperty property in resourceType.Properties.Where(p => p.TypeKind == ResourceTypeKind.Primitive))
{
object propertyValue = WebUtil.GetPropertyValue(this.Provider, customObject, resourceType, property, null);
if (SyndicationSerializer.EpmNeedToSkip(currentSourceRoot, property.Name))
{
continue;
}
WritePrimitiveValue(propertyValue, property.Name, property.ResourceType.FullName, content);
}
}
foreach (ResourceProperty property in this.Provider.GetResourceProperties(this.CurrentContainer, resourceType))
{
string propertyName = property.Name;
if (property.TypeKind == ResourceTypeKind.EntityType)
{
Debug.Assert(navProperties != null, "navProperties list must be assigned for entity types");
object propertyValue =
(this.ShouldExpandSegment(property.Name)) ? GetExpandedProperty(this.Provider, expanded, customObject, property) : null;
navProperties.Add(new ResourcePropertyInfo(property, propertyValue));
}
else
{
if (property.TypeKind == ResourceTypeKind.ComplexType)
{
object propertyValue = WebUtil.GetPropertyValue(this.Provider, customObject, resourceType, property, null);
bool needPop = this.PushSegmentForProperty(property);
this.WriteComplexObjectValue(
propertyValue,
propertyName,
property.ResourceType,
relativeUri + "/" + property.Name,
content,
SyndicationSerializer.EpmGetComplexPropertySegment(currentSourceRoot, property.Name));
this.PopSegmentName(needPop);
}
}
}
if (resourceType.IsOpenType)
{
IEnumerable<KeyValuePair<string, object>> properties = this.Provider.GetOpenPropertyValues(customObject);
foreach (KeyValuePair<string, object> property in properties)
{
string propertyName = property.Key;
if (String.IsNullOrEmpty(propertyName))
{
throw new DataServiceException(500, Strings.Syndication_InvalidOpenPropertyName(resourceType.FullName));
}
Type valueType;
ResourceType propertyResourceType;
object value = property.Value;
if (value == null || value == DBNull.Value)
{
valueType = typeof(string);
propertyResourceType = ResourceType.PrimitiveStringResourceType;
}
else
{
valueType = value.GetType();
propertyResourceType = WebUtil.GetResourceType(this.Provider, value);
}
// A null ResourceType indicates a ----ed type (eg, IntPtr or DateTimeOffset). So ignore it.
if (propertyResourceType == null)
{
throw new DataServiceException(500, Strings.Syndication_InvalidOpenPropertyType(propertyName));
}
if (propertyResourceType.ResourceTypeKind == ResourceTypeKind.Primitive)
{
if (value != null && SyndicationSerializer.EpmNeedToSkip(currentSourceRoot, propertyName))
{
continue;
}
WritePrimitiveValue(value, propertyName, propertyResourceType.FullName, content);
}
else
{
if (propertyResourceType.ResourceTypeKind == ResourceTypeKind.ComplexType)
{
Debug.Assert(propertyResourceType.InstanceType == valueType, "propertyResourceType.Type == valueType");
this.WriteComplexObjectValue(
value,
propertyName,
propertyResourceType,
relativeUri + "/" + propertyName,
content,
SyndicationSerializer.EpmGetComplexPropertySegment(currentSourceRoot, propertyName));
}
else
{
Debug.Assert(
propertyResourceType.ResourceTypeKind == ResourceTypeKind.EntityType,
"propertyResourceType.ResourceTypeKind == ResourceTypeKind.EntityType -- otherwise should have been processed as primitve or complex type.");
// Open navigation properties are not supported on OpenTypes
throw DataServiceException.CreateBadRequestError(Strings.OpenNavigationPropertiesNotSupportedOnOpenTypes(propertyName));
}
}
}
}
}
else
{
foreach (ProjectionNode projectionNode in projectionNodes)
{
string propertyName = projectionNode.PropertyName;
ResourceProperty property = resourceType.TryResolvePropertyName(propertyName);
// First solve the normal entity type property - turn it into a nav. property record
if (property != null && property.TypeKind == ResourceTypeKind.EntityType)
{
Debug.Assert(navProperties != null, "navProperties list must be assigned for entity types");
// By calling the GetResourceProperties we will use the cached list of properties
// for the given type and set. But we have to search through it.
// We could use the GetContainer (since that's what the GetResourceProperties does) and check
// if it returns null, but result of that is only partially cached so it might be expensive
// to evaluate for each item in the feed.
if (this.Provider.GetResourceProperties(this.CurrentContainer, resourceType).Contains(property))
{
object expandedPropertyValue =
(this.ShouldExpandSegment(propertyName)) ? GetExpandedProperty(this.Provider, expanded, customObject, property) : null;
navProperties.Add(new ResourcePropertyInfo(property, expandedPropertyValue));
}
continue;
}
// Now get the property value
object propertyValue = WebUtil.GetPropertyValue(this.Provider, customObject, resourceType, property, property == null ? propertyName : null);
// Determine the type of the property
ResourceType propertyResourceType;
if (property != null)
{
propertyResourceType = property.ResourceType;
}
else
{
if (propertyValue == null || propertyValue == DBNull.Value)
{
propertyResourceType = ResourceType.PrimitiveStringResourceType;
}
else
{
propertyResourceType = WebUtil.GetResourceType(this.Provider, propertyValue);
// A null ResourceType indicates a ----ed type (eg, IntPtr or DateTimeOffset). So ignore it.
if (propertyResourceType == null)
{
throw new DataServiceException(500, Strings.Syndication_InvalidOpenPropertyType(propertyName));
}
}
}
// And write out the value (depending on the type of the property)
if (propertyResourceType.ResourceTypeKind == ResourceTypeKind.Primitive)
{
if (propertyValue == DBNull.Value)
{
propertyValue = null;
}
if (propertyValue != null && SyndicationSerializer.EpmNeedToSkip(currentSourceRoot, propertyName))
{
continue;
}
WritePrimitiveValue(propertyValue, propertyName, propertyResourceType.FullName, content);
}
else if (propertyResourceType.ResourceTypeKind == ResourceTypeKind.ComplexType)
{
bool needPop = false;
if (property != null)
{
needPop = this.PushSegmentForProperty(property);
}
this.WriteComplexObjectValue(
propertyValue,
propertyName,
propertyResourceType,
relativeUri + "/" + propertyName,
content,
SyndicationSerializer.EpmGetComplexPropertySegment(currentSourceRoot, propertyName));
if (property != null)
{
this.PopSegmentName(needPop);
}
}
else
{
Debug.Assert(
propertyResourceType.ResourceTypeKind == ResourceTypeKind.EntityType,
"propertyResourceType.ResourceTypeKind == ResourceTypeKind.EntityType -- otherwise should have been processed as primitve or complex type.");
// Open navigation properties are not supported on OpenTypes
throw DataServiceException.CreateBadRequestError(Strings.OpenNavigationPropertiesNotSupportedOnOpenTypes(propertyName));
}
}
}
if (resourceType.ResourceTypeKind == ResourceTypeKind.EntityType)
{
for (int i = 0; i < navProperties.Count; i++)
{
ResourcePropertyInfo propertyInfo = navProperties[i];
ResourceProperty navProperty = propertyInfo.Property;
Debug.Assert(
navProperty.IsOfKind(ResourcePropertyKind.ResourceReference) ||
navProperty.IsOfKind(ResourcePropertyKind.ResourceSetReference),
"this must be nav property");
// Generate a link - see http://tools.ietf.org/html/rfc4287#section-4.2.7
string linkType = navProperty.IsOfKind(ResourcePropertyKind.ResourceReference) ? XmlConstants.AtomEntryElementName : XmlConstants.AtomFeedElementName;
linkType = String.Format(CultureInfo.InvariantCulture, "{0};{1}={2}", XmlConstants.MimeApplicationAtom, XmlConstants.AtomTypeAttributeName, linkType);
string segmentIdentifier = navProperty.Name;
if (!this.ShouldExpandSegment(navProperty.Name))
{
WriteDeferredContentElement(
XmlConstants.DataWebRelatedNamespace + navProperty.Name,
navProperty.Name,
relativeUri + "/" + segmentIdentifier,
linkType,
item);
}
else
{
object propertyValue = propertyInfo.Value;
IExpandedResult expandedResultPropertyValue = propertyValue as IExpandedResult;
object expandedPropertyValue =
expandedResultPropertyValue != null ?
GetExpandedElement(expandedResultPropertyValue) :
propertyValue;
string propertyRelativeUri = relativeUri + "/" + segmentIdentifier;
Uri propertyAbsoluteUri = RequestUriProcessor.AppendUnescapedSegment(absoluteUri, segmentIdentifier);
SyndicationLink link = new SyndicationLink();
link.RelationshipType = XmlConstants.DataWebRelatedNamespace + navProperty.Name;
link.Title = navProperty.Name;
link.Uri = new Uri(propertyRelativeUri, UriKind.RelativeOrAbsolute);
link.MediaType = linkType;
item.Links.Add(link);
bool needPop = this.PushSegmentForProperty(navProperty);
// if this.CurrentContainer is null, the target set of the navigation property is hidden.
if (this.CurrentContainer != null)
{
if (navProperty.IsOfKind(ResourcePropertyKind.ResourceSetReference))
{
IEnumerable enumerable;
bool collection = WebUtil.IsElementIEnumerable(expandedPropertyValue, out enumerable);
Debug.Assert(collection, "metadata loading must have ensured that navigation set properties must implement IEnumerable");
SyndicationFeed feed = new SyndicationFeed();
InlineAtomFeed inlineFeedExtension = new InlineAtomFeed(feed, this.factory);
link.ElementExtensions.Add(inlineFeedExtension);
IEnumerator enumerator = enumerable.GetEnumerator();
try
{
bool hasMoved = enumerator.MoveNext();
this.WriteFeedElements(
propertyValue as IExpandedResult,
enumerator,
navProperty.ResourceType,
navProperty.Name,
propertyAbsoluteUri,
propertyRelativeUri,
hasMoved,
feed,
true);
}
catch
{
WebUtil.Dispose(enumerator);
throw;
}
}
else
{
SyndicationItem inlineItem = new SyndicationItem();
this.WriteEntryElement(propertyValue as IExpandedResult, expandedPropertyValue, navProperty.ResourceType, propertyAbsoluteUri, propertyRelativeUri, inlineItem);
InlineAtomItem inlineItemExtension = new InlineAtomItem(inlineItem, this.factory);
link.ElementExtensions.Add(inlineItemExtension);
}
}
this.PopSegmentName(needPop);
}
}
}
}
finally
{
// The matching call to RecurseLeave is in a try/finally block not because it's necessary in the
// presence of an exception (progress will halt anyway), but because it's easier to maintain in the
// code in the presence of multiple exit points (returns).
this.RecurseLeave();
}
}
/// <summary>Applies a property from the reader to the specified resource.</summary>
/// <param name='reader'>XmlReader to read from.</param>
/// <param name='propertyName'>Name of property to set on the specified resource.</param>
/// <param name='resourceType'>Type of resource.</param>
/// <param name='resource'>Resource to set value on.</param>
private void ApplyProperty(XmlReader reader, string propertyName, ResourceType resourceType, object resource)
{
Debug.Assert(reader != null, "reader != null");
Debug.Assert(propertyName != null, "propertyName != null");
Debug.Assert(resourceType != null, "resourceType != null");
Debug.Assert(resource != null, "resource != null");
ResourceProperty property = resourceType.TryResolvePropertyName(propertyName);
bool ignoreValue = false;
if (property == null)
{
if (resourceType.IsOpenType == false)
{
throw DataServiceException.CreateBadRequestError(Strings.BadRequest_InvalidPropertyNameSpecified(propertyName, resourceType.FullName));
}
}
else
{
if (this.Update && property.IsOfKind(ResourcePropertyKind.Key))
{
ignoreValue = true;
}
}
object propertyValue = this.ReadPropertyWithType(reader, propertyName, property);
if (!ignoreValue)
{
if (property == null)
{
Deserializer.SetOpenPropertyValue(resource, propertyName, propertyValue, this.Service);
}
else
{
Deserializer.SetPropertyValue(property, resource, propertyValue, this.ContentFormat, this.Service);
}
}
}
private IEnumerable<ODataProperty> GetProjectedEntityProperties(object customObject, ResourceType currentResourceType, Uri relativeUri, IEnumerable<ProjectionNode> projectionNodesForCurrentResourceType)
{
List<ODataProperty> source = new List<ODataProperty>(currentResourceType.Properties.Count);
foreach (ProjectionNode node in projectionNodesForCurrentResourceType)
{
string str = node.PropertyName;
ResourceProperty property = node.TargetResourceType.TryResolvePropertyName(str);
if (property != null)
{
if (property.TypeKind != ResourceTypeKind.EntityType)
{
source.Add(this.GetODataPropertyForEntityProperty(customObject, currentResourceType, relativeUri, property));
}
}
else
{
object propertyValue = WebUtil.GetPropertyValue(base.Provider, customObject, currentResourceType, null, str);
source.Add(this.GetODataPropertyForOpenProperty(str, propertyValue));
}
}
if (currentResourceType.HasEntityPropertyMappings)
{
foreach (EpmSourcePathSegment segment in currentResourceType.EpmSourceTree.Root.SubProperties)
{
string propertyName = segment.PropertyName;
if (source.FirstOrDefault<ODataProperty>(p => (p.Name == propertyName)) == null)
{
ResourcePropertyKind stream = ResourcePropertyKind.Stream;
ResourceProperty resourceProperty = currentResourceType.TryResolvePropertyName(propertyName, stream);
object obj3 = WebUtil.GetPropertyValue(base.Provider, customObject, currentResourceType, resourceProperty, (resourceProperty == null) ? propertyName : null);
if (resourceProperty != null)
{
ODataProperty item = new ODataProperty {
Name = propertyName,
Value = base.GetPropertyValue(propertyName, resourceProperty.ResourceType, obj3, resourceProperty == null)
};
source.Add(item);
}
else
{
source.Add(this.GetODataPropertyForOpenProperty(propertyName, obj3));
}
}
}
}
return source;
}
