/// <summary>
/// Appends the key expression for the given entity to the given <see cref="StringBuilder"/>
/// </summary>
/// <typeparam name="T">The type of the properties.</typeparam>
/// <param name="keyProperties">The properties of the key.</param>
/// <param name="getPropertyName">Delegate to get the name of a property.</param>
/// <param name="getValueForProperty">Delegate to get the value of a property.</param>
/// <param name="builder">The builder to append onto.</param>
internal void AppendKeyExpression <T>(ICollection <T> keyProperties, Func <T, string> getPropertyName, Func <T, object> getValueForProperty, StringBuilder builder)
{
Func <T, object> getValueForPropertyWithNullCheck = p =>
{
Debug.Assert(getValueForProperty != null, "getValueForProperty != null");
object propertyValue = getValueForProperty(p);
if (propertyValue == null)
{
throw Error.InvalidOperation(Client.Strings.Context_NullKeysAreNotSupported(getPropertyName(p)));
}
return(propertyValue);
};
this.keySerializer.AppendKeyExpression(builder, keyProperties, getPropertyName, getValueForPropertyWithNullCheck);
}
/// <summary>
/// Gets the raw CLR value for the given <see cref="IEdmPropertyValue"/>.
/// </summary>
/// <param name="property">The property to get the value for.</param>
/// <param name="type">The type which declared the property.</param>
/// <returns>The raw CLR value of the property.</returns>
private static object GetPropertyValue(IEdmPropertyValue property, IEdmTypeReference type)
{
Debug.Assert(property != null, "property != null");
IEdmValue propertyValue = property.Value;
// DEVNOTE: though this check is not strictly necessary, and would be caught by later checks,
// it seems worthwhile to fail fast if we can.
if (propertyValue.ValueKind == EdmValueKind.Null)
{
throw Error.InvalidOperation(ErrorStrings.Context_NullKeysAreNotSupported(property.Name));
}
var primitiveValue = propertyValue as IEdmPrimitiveValue;
if (primitiveValue == null)
{
throw Error.InvalidOperation(ErrorStrings.ClientType_KeysMustBeSimpleTypes(type.FullName()));
}
// DEVNOTE: This can return null, and will be handled later. The reason for this is that the client
// and server have different ways of getting property values, but both will eventually hit the same
// codepath and that is where the null is handled.
return(primitiveValue.ToClrValue());
}
/// <summary>
/// discover and prepare properties for usage
/// </summary>
/// <param name="type">type being processed</param>
/// <param name="typeName">parameter name</param>
/// <param name="skipSettableCheck">Whether the skip the check for settable properties.</param>
private ClientType(Type type, string typeName, bool skipSettableCheck)
{
Debug.Assert(null != type, "null type");
Debug.Assert(!String.IsNullOrEmpty(typeName), "empty typeName");
this.ElementTypeName = typeName;
this.ElementType = Nullable.GetUnderlyingType(type) ?? type;
#if ASTORIA_OPEN_OBJECT
string openObjectPropertyName = null;
#endif
if (!ClientConvert.IsKnownType(this.ElementType))
{
#if ASTORIA_OPEN_OBJECT
#region OpenObject determined by walking type hierarchy and looking for [OpenObjectAttribute("PropertyName")]
Type openObjectDeclared = this.ElementType;
for (Type tmp = openObjectDeclared; (null != tmp) && (typeof(object) != tmp); tmp = tmp.BaseType)
{
object[] attributes = openObjectDeclared.GetCustomAttributes(typeof(OpenObjectAttribute), false);
if (1 == attributes.Length)
{
if (null != openObjectPropertyName)
{
throw Error.InvalidOperation(Strings.Clienttype_MultipleOpenProperty(this.ElementTypeName));
}
openObjectPropertyName = ((OpenObjectAttribute)attributes[0]).OpenObjectPropertyName;
openObjectDeclared = tmp;
}
}
#endregion
#endif
Type keyPropertyDeclaredType = null;
bool isEntity = type.GetCustomAttributes(true).OfType <DataServiceEntityAttribute>().Any();
DataServiceKeyAttribute dska = type.GetCustomAttributes(true).OfType <DataServiceKeyAttribute>().FirstOrDefault();
foreach (PropertyInfo pinfo in type.GetProperties(BindingFlags.Public | BindingFlags.Instance))
{
//// examples where class<PropertyType>
//// the normal examples
//// PropertyType Property { get; set }
//// Nullable<PropertyType> Property { get; set; }
//// if 'Property: struct' then we would be unable set the property during construction (and have them stick)
//// but when its a class, we can navigate if non-null and set the nested properties
//// PropertyType Property { get; } where PropertyType: class
//// we do support adding elements to collections
//// ICollection<PropertyType> { get; /*ignored set;*/ }
//// indexed properties are not suported because
//// we don't have anything to use as the index
//// PropertyType Property[object x] { /*ignored get;*/ /*ignored set;*/ }
//// also ignored
//// if PropertyType.IsPointer (like byte*)
//// if PropertyType.IsArray except for byte[] and char[]
//// if PropertyType == IntPtr or UIntPtr
Type ptype = pinfo.PropertyType; // class / interface / value
ptype = Nullable.GetUnderlyingType(ptype) ?? ptype;
if (ptype.IsPointer ||
(ptype.IsArray && (typeof(byte[]) != ptype) && typeof(char[]) != ptype) ||
(typeof(IntPtr) == ptype) ||
(typeof(UIntPtr) == ptype))
{
continue;
}
Debug.Assert(!ptype.ContainsGenericParameters, "remove when test case is found that encounters this");
if (pinfo.CanRead &&
(!ptype.IsValueType || pinfo.CanWrite) &&
!ptype.ContainsGenericParameters &&
(0 == pinfo.GetIndexParameters().Length))
{
#region IsKey?
bool keyProperty = dska != null?dska.KeyNames.Contains(pinfo.Name) : false;
if (keyProperty)
{
if (null == keyPropertyDeclaredType)
{
keyPropertyDeclaredType = pinfo.DeclaringType;
}
else if (keyPropertyDeclaredType != pinfo.DeclaringType)
{
throw Error.InvalidOperation(Strings.ClientType_KeysOnDifferentDeclaredType(this.ElementTypeName));
}
if (!ClientConvert.IsKnownType(ptype))
{
throw Error.InvalidOperation(Strings.ClientType_KeysMustBeSimpleTypes(this.ElementTypeName));
}
this.KeyCount++;
}
#endregion
#if ASTORIA_OPEN_OBJECT
#region IsOpenObjectProperty?
bool openProperty = (openObjectPropertyName == pinfo.Name) &&
typeof(IDictionary <string, object>).IsAssignableFrom(ptype);
Debug.Assert(keyProperty != openProperty || (!keyProperty && !openProperty), "key can't be open type");
#endregion
ClientProperty property = new ClientProperty(pinfo, ptype, keyProperty, openProperty);
if (!property.OpenObjectProperty)
#else
ClientProperty property = new ClientProperty(pinfo, ptype, keyProperty);
#endif
{
if (!this.properties.Add(property, ClientProperty.NameEquality))
{
// 2nd property with same name shadows another property
int shadow = this.IndexOfProperty(property.PropertyName);
if (!property.DeclaringType.IsAssignableFrom(this.properties[shadow].DeclaringType))
{ // the new property is on the most derived class
this.properties.RemoveAt(shadow);
this.properties.Add(property, null);
}
}
}
#if ASTORIA_OPEN_OBJECT
else
{
if (pinfo.DeclaringType == openObjectDeclared)
{
this.openProperties = property;
}
}
#endif
}
}
#region No KeyAttribute, discover key by name pattern { DeclaringType.Name+ID, ID }
if (null == keyPropertyDeclaredType)
{
ClientProperty key = null;
for (int i = this.properties.Count - 1; 0 <= i; --i)
{
string propertyName = this.properties[i].PropertyName;
if (propertyName.EndsWith("ID", StringComparison.Ordinal))
{
string declaringTypeName = this.properties[i].DeclaringType.Name;
if ((propertyName.Length == (declaringTypeName.Length + 2)) &&
propertyName.StartsWith(declaringTypeName, StringComparison.Ordinal))
{
// matched "DeclaringType.Name+ID" pattern
if ((null == keyPropertyDeclaredType) ||
this.properties[i].DeclaringType.IsAssignableFrom(keyPropertyDeclaredType))
{
keyPropertyDeclaredType = this.properties[i].DeclaringType;
key = this.properties[i];
}
}
else if ((null == keyPropertyDeclaredType) && (2 == propertyName.Length))
{
// matched "ID" pattern
keyPropertyDeclaredType = this.properties[i].DeclaringType;
key = this.properties[i];
}
}
}
if (null != key)
{
Debug.Assert(0 == this.KeyCount, "shouldn't have a key yet");
key.KeyProperty = true;
this.KeyCount++;
}
}
else if (this.KeyCount != dska.KeyNames.Count)
{
var m = (from string a in dska.KeyNames
where null == (from b in this.properties
where b.PropertyName == a
select b).FirstOrDefault()
select a).First <string>();
throw Error.InvalidOperation(Strings.ClientType_MissingProperty(this.ElementTypeName, m));
}
#endregion
this.IsEntityType = (null != keyPropertyDeclaredType) || isEntity;
Debug.Assert(this.KeyCount == this.Properties.Where(k => k.KeyProperty).Count(), "KeyCount mismatch");
this.WireUpMimeTypeProperties();
this.CheckMediaLinkEntry();
if (!skipSettableCheck)
{
#if ASTORIA_OPEN_OBJECT
if ((0 == this.properties.Count) && (null == this.openProperties))
#else
if (0 == this.properties.Count)
#endif
{ // implicit construction?
throw Error.InvalidOperation(Strings.ClientType_NoSettableFields(this.ElementTypeName));
}
}
}
private ClientType(Type type, string typeName, bool skipSettableCheck)
{
Debug.Assert(null != type, "null type");
Debug.Assert(!String.IsNullOrEmpty(typeName), "empty typeName");
this.ElementTypeName = typeName;
this.ElementType = Nullable.GetUnderlyingType(type) ?? type;
#if ASTORIA_OPEN_OBJECT
string openObjectPropertyName = null;
#endif
if (!ClientConvert.IsKnownType(this.ElementType))
{
#if ASTORIA_OPEN_OBJECT
#region OpenObject determined by walking type hierarchy and looking for [OpenObjectAttribute("PropertyName")]
Type openObjectDeclared = this.ElementType;
for (Type tmp = openObjectDeclared; (null != tmp) && (typeof(object) != tmp); tmp = tmp.BaseType)
{
object[] attributes = openObjectDeclared.GetCustomAttributes(typeof(OpenObjectAttribute), false);
if (1 == attributes.Length)
{
if (null != openObjectPropertyName)
{
throw Error.InvalidOperation(Strings.Clienttype_MultipleOpenProperty(this.ElementTypeName));
}
openObjectPropertyName = ((OpenObjectAttribute)attributes[0]).OpenObjectPropertyName;
openObjectDeclared = tmp;
}
}
#endregion
#endif
Type keyPropertyDeclaredType = null;
bool isEntity = type.GetCustomAttributes(true).OfType <DataServiceEntityAttribute>().Any();
DataServiceKeyAttribute dska = type.GetCustomAttributes(true).OfType <DataServiceKeyAttribute>().FirstOrDefault();
foreach (PropertyInfo pinfo in type.GetProperties(BindingFlags.Public | BindingFlags.Instance))
{
Type ptype = pinfo.PropertyType;
ptype = Nullable.GetUnderlyingType(ptype) ?? ptype;
if (ptype.IsPointer ||
(ptype.IsArray && (typeof(byte[]) != ptype) && typeof(char[]) != ptype) ||
(typeof(IntPtr) == ptype) ||
(typeof(UIntPtr) == ptype))
{
continue;
}
Debug.Assert(!ptype.ContainsGenericParameters, "remove when test case is found that encounters this");
if (pinfo.CanRead &&
(!ptype.IsValueType || pinfo.CanWrite) &&
!ptype.ContainsGenericParameters &&
(0 == pinfo.GetIndexParameters().Length))
{
#region IsKey?
bool keyProperty = dska != null?dska.KeyNames.Contains(pinfo.Name) : false;
if (keyProperty)
{
if (null == keyPropertyDeclaredType)
{
keyPropertyDeclaredType = pinfo.DeclaringType;
}
else if (keyPropertyDeclaredType != pinfo.DeclaringType)
{
throw Error.InvalidOperation(Strings.ClientType_KeysOnDifferentDeclaredType(this.ElementTypeName));
}
if (!ClientConvert.IsKnownType(ptype))
{
throw Error.InvalidOperation(Strings.ClientType_KeysMustBeSimpleTypes(this.ElementTypeName));
}
this.KeyCount++;
}
#endregion
#if ASTORIA_OPEN_OBJECT
#region IsOpenObjectProperty?
bool openProperty = (openObjectPropertyName == pinfo.Name) &&
typeof(IDictionary <string, object>).IsAssignableFrom(ptype);
Debug.Assert(keyProperty != openProperty || (!keyProperty && !openProperty), "key can't be open type");
#endregion
ClientProperty property = new ClientProperty(pinfo, ptype, keyProperty, openProperty);
if (!property.OpenObjectProperty)
#else
ClientProperty property = new ClientProperty(pinfo, ptype, keyProperty);
#endif
{
if (!this.properties.Add(property, ClientProperty.NameEquality))
{
int shadow = this.IndexOfProperty(property.PropertyName);
if (!property.DeclaringType.IsAssignableFrom(this.properties[shadow].DeclaringType))
{
this.properties.RemoveAt(shadow);
this.properties.Add(property, null);
}
}
}
#if ASTORIA_OPEN_OBJECT
else
{
if (pinfo.DeclaringType == openObjectDeclared)
{
this.openProperties = property;
}
}
#endif
}
}
#region No KeyAttribute, discover key by name pattern { DeclaringType.Name+ID, ID }
if (null == keyPropertyDeclaredType)
{
ClientProperty key = null;
for (int i = this.properties.Count - 1; 0 <= i; --i)
{
string propertyName = this.properties[i].PropertyName;
if (propertyName.EndsWith("ID", StringComparison.Ordinal))
{
string declaringTypeName = this.properties[i].DeclaringType.Name;
if ((propertyName.Length == (declaringTypeName.Length + 2)) &&
propertyName.StartsWith(declaringTypeName, StringComparison.Ordinal))
{
if ((null == keyPropertyDeclaredType) ||
this.properties[i].DeclaringType.IsAssignableFrom(keyPropertyDeclaredType))
{
keyPropertyDeclaredType = this.properties[i].DeclaringType;
key = this.properties[i];
}
}
else if ((null == keyPropertyDeclaredType) && (2 == propertyName.Length))
{
keyPropertyDeclaredType = this.properties[i].DeclaringType;
key = this.properties[i];
}
}
}
if (null != key)
{
Debug.Assert(0 == this.KeyCount, "shouldn't have a key yet");
key.KeyProperty = true;
this.KeyCount++;
}
}
else if (this.KeyCount != dska.KeyNames.Count)
{
var m = (from string a in dska.KeyNames
where null == (from b in this.properties
where b.PropertyName == a
select b).FirstOrDefault()
select a).First <string>();
throw Error.InvalidOperation(Strings.ClientType_MissingProperty(this.ElementTypeName, m));
}
#endregion
this.IsEntityType = (null != keyPropertyDeclaredType) || isEntity;
Debug.Assert(this.KeyCount == this.Properties.Where(k => k.KeyProperty).Count(), "KeyCount mismatch");
this.WireUpMimeTypeProperties();
this.CheckMediaLinkEntry();
if (!skipSettableCheck)
{
#if ASTORIA_OPEN_OBJECT
if ((0 == this.properties.Count) && (null == this.openProperties))
#else
if (0 == this.properties.Count)
#endif
{
throw Error.InvalidOperation(Strings.ClientType_NoSettableFields(this.ElementTypeName));
}
}
}
private string ConvertToEscapedUriValue(string paramName, object value)
{
Debug.Assert(!string.IsNullOrEmpty(paramName), "!string.IsNullOrEmpty(paramName)");
Object valueInODataFormat = null;
// Literal values with single quotes need special escaping due to System.Uri changes in behavior between .NET 4.0 and 4.5.
// We need to ensure that our escaped values do not change between those versions, so we need to escape values differently when they could contain single quotes.
bool needsSpecialEscaping = false;
if (value == null)
{
needsSpecialEscaping = true;
}
else
{
if (value.GetType() == typeof(ODataUriNullValue))
{
valueInODataFormat = value;
needsSpecialEscaping = true;
}
else
{
ClientEdmModel model = this.requestInfo.Model;
IEdmType edmType = model.GetOrCreateEdmType(value.GetType());
Debug.Assert(edmType != null, "edmType != null");
switch (edmType.TypeKind)
{
case EdmTypeKind.Primitive:
valueInODataFormat = value;
needsSpecialEscaping = true;
break;
case EdmTypeKind.Complex:
ClientTypeAnnotation typeAnnotation = model.GetClientTypeAnnotation(edmType);
Debug.Assert(typeAnnotation != null, "typeAnnotation != null");
valueInODataFormat = this.propertyConverter.CreateODataComplexValue(
typeAnnotation.ElementType,
value,
null /*propertyName*/,
false /*isCollectionItemType*/,
null /*visitedComplexTypeObjects*/);
// When using JsonVerbose to format query string parameters for Actions,
// we cannot write out Complex values in the URI without the type name of the complex type in the JSON payload.
// If this value is null, the client has to set the ResolveName property on the DataServiceContext instance.
ODataComplexValue complexValue = (ODataComplexValue)valueInODataFormat;
SerializationTypeNameAnnotation serializedTypeNameAnnotation = complexValue.GetAnnotation <SerializationTypeNameAnnotation>();
if (serializedTypeNameAnnotation == null || string.IsNullOrEmpty(serializedTypeNameAnnotation.TypeName))
{
throw Error.InvalidOperation(Strings.DataServiceException_GeneralError);
}
break;
case EdmTypeKind.Collection:
IEdmCollectionType edmCollectionType = edmType as IEdmCollectionType;
Debug.Assert(edmCollectionType != null, "edmCollectionType != null");
IEdmTypeReference itemTypeReference = edmCollectionType.ElementType;
Debug.Assert(itemTypeReference != null, "itemTypeReference != null");
ClientTypeAnnotation itemTypeAnnotation = model.GetClientTypeAnnotation(itemTypeReference.Definition);
Debug.Assert(itemTypeAnnotation != null, "itemTypeAnnotation != null");
switch (itemTypeAnnotation.EdmType.TypeKind)
{
// We only support primitive or complex type as a collection item type.
case EdmTypeKind.Primitive:
case EdmTypeKind.Complex:
break;
default:
throw new NotSupportedException(Strings.Serializer_InvalidCollectionParamterItemType(paramName, itemTypeAnnotation.EdmType.TypeKind));
}
valueInODataFormat = this.propertyConverter.CreateODataCollection(
itemTypeAnnotation.ElementType,
null /*propertyName*/,
value,
null /*visitedComplexTypeObjects*/);
break;
default:
// EdmTypeKind.Entity
// EdmTypeKind.Row
// EdmTypeKind.EntityReference
// EdmTypeKind.Enum.
throw new NotSupportedException(Strings.Serializer_InvalidParameterType(paramName, edmType.TypeKind));
}
}
Debug.Assert(valueInODataFormat != null, "valueInODataFormat != null");
}
// In the released WCF Data Services 5.0, we didn't pass the model for JSON Verbose literals, so continuing that behavior for backward compatibility
ODataFormat literalFormat = this.requestInfo.Format.UriLiteralFormat;
IEdmModel edmModel = literalFormat == ODataFormat.VerboseJson ? null : this.requestInfo.Model;
// ODL can handle null values so we can send null values here.
string literal = ODataUriUtils.ConvertToUriLiteral(valueInODataFormat, CommonUtil.ConvertToODataVersion(this.requestInfo.MaxProtocolVersionAsVersion), edmModel, literalFormat);
// The value from ConvertToUriValue will not be escaped, but will already contain literal delimiters like single quotes, so we
// need to use our own escape method that will preserve those characters instead of directly calling Uri.EscapeDataString that may escape them.
// This is only necessary for primitives and nulls because the other structures are serialized using the JSON format and it uses double quotes
// which have always been escaped.
if (needsSpecialEscaping)
{
return(DataStringEscapeBuilder.EscapeDataString(literal));
}
return(Uri.EscapeDataString(literal));
}
/// <summary>
/// Parses the current reader into a new <paramref name="targetEntry"/>
/// instance.
/// </summary>
/// <param name="targetEntry">
/// After invocation, the target entry that was created as a result
/// of parsing the current reader.
/// </param>
private void ParseCurrentEntry(out AtomEntry targetEntry)
{
Debug.Assert(this.reader.NodeType == XmlNodeType.Element, "this.reader.NodeType == XmlNodeType.Element");
// Push reader.
var callbackResult = this.entryCallback(this.reader);
Debug.Assert(callbackResult.Key != null, "callbackResult.Key != null");
this.readers.Push(this.reader);
this.reader = callbackResult.Key;
this.reader.Read();
Debug.Assert(this.reader.LocalName == "entry", "this.reader.LocalName == 'entry' - otherwise we're not reading the subtree");
bool hasContent = false;
targetEntry = new AtomEntry();
targetEntry.DataValues = new List <AtomContentProperty>();
targetEntry.Tag = callbackResult.Value;
targetEntry.ETagText = this.reader.GetAttribute(XmlConstants.AtomETagAttributeName, XmlConstants.DataWebMetadataNamespace);
while (this.reader.Read())
{
if (ShouldIgnoreNode(this.reader))
{
continue;
}
if (this.reader.NodeType == XmlNodeType.Element)
{
int depth = this.reader.Depth;
string elementName = this.reader.LocalName;
string namespaceURI = this.reader.NamespaceURI;
if (namespaceURI == XmlConstants.AtomNamespace)
{
if (elementName == XmlConstants.AtomCategoryElementName && targetEntry.TypeName == null)
{
string text = this.reader.GetAttributeEx(XmlConstants.AtomCategorySchemeAttributeName, XmlConstants.AtomNamespace);
if (text == this.typeScheme)
{
targetEntry.TypeName = this.reader.GetAttributeEx(XmlConstants.AtomCategoryTermAttributeName, XmlConstants.AtomNamespace);
}
}
else if (elementName == XmlConstants.AtomContentElementName)
{
hasContent = true;
this.ParseCurrentContent(targetEntry);
}
else if (elementName == XmlConstants.AtomIdElementName && targetEntry.Identity == null)
{
// The .Identity == null check ensures that only the first id element is processed.
string idText = ReadElementStringForText(this.reader);
idText = Util.ReferenceIdentity(idText);
// here we could just assign idText to Identity
// however we used to check for AbsoluteUri, thus we need to
// convert string to Uri and check for absoluteness
Uri idUri = Util.CreateUri(idText, UriKind.RelativeOrAbsolute);
if (!idUri.IsAbsoluteUri)
{
throw Error.InvalidOperation(Strings.Context_TrackingExpectsAbsoluteUri);
}
targetEntry.Identity = idText;
}
else if (elementName == XmlConstants.AtomLinkElementName)
{
this.ParseCurrentLink(targetEntry);
}
}
else if (namespaceURI == XmlConstants.DataWebMetadataNamespace)
{
if (elementName == XmlConstants.AtomPropertiesElementName)
{
if (targetEntry.MediaLinkEntry.HasValue && !targetEntry.MediaLinkEntry.Value)
{
// This means we saw a non-empty <atom:Content> element but now we have a Properties element
// that also carries properties
throw Error.InvalidOperation(Strings.Deserialize_ContentPlusPropertiesNotAllowed);
}
targetEntry.MediaLinkEntry = true;
if (!this.reader.IsEmptyElement)
{
this.ReadCurrentProperties(targetEntry.DataValues);
}
}
}
SkipToEndAtDepth(this.reader, depth);
}
}
if (targetEntry.Identity == null)
{
throw Error.InvalidOperation(Strings.Deserialize_MissingIdElement);
}
if (!hasContent)
{
// Content is expected for the GetResponse operation
throw Error.BatchStreamContentExpected(BatchStreamState.GetResponse);
}
this.reader = this.readers.Pop();
}
private void ParseCurrentLink(AtomEntry targetEntry)
{
Debug.Assert(targetEntry != null, "targetEntry != null");
Debug.Assert(
this.reader.NodeType == XmlNodeType.Element,
"this.reader.NodeType == XmlNodeType.Element -- otherwise we shouldn't try to parse a link");
Debug.Assert(
this.reader.LocalName == "link",
"this.reader.LocalName == 'link' -- otherwise we shouldn't try to parse a link");
string relation = this.reader.GetAttribute(XmlConstants.AtomLinkRelationAttributeName);
if (relation == null)
{
return;
}
if (relation == XmlConstants.AtomEditRelationAttributeValue && targetEntry.EditLink == null)
{
// Only process the first link that has @rel='edit'.
string href = this.reader.GetAttribute(XmlConstants.AtomHRefAttributeName);
if (String.IsNullOrEmpty(href))
{
throw Error.InvalidOperation(Strings.Context_MissingEditLinkInResponseBody);
}
targetEntry.EditLink = this.ConvertHRefAttributeValueIntoURI(href);
}
else if (relation == XmlConstants.AtomSelfRelationAttributeValue && targetEntry.QueryLink == null)
{
// Only process the first link that has @rel='self'.
string href = this.reader.GetAttribute(XmlConstants.AtomHRefAttributeName);
if (String.IsNullOrEmpty(href))
{
throw Error.InvalidOperation(Strings.Context_MissingSelfLinkInResponseBody);
}
targetEntry.QueryLink = this.ConvertHRefAttributeValueIntoURI(href);
}
else if (relation == XmlConstants.AtomEditMediaRelationAttributeValue && targetEntry.MediaEditUri == null)
{
string href = this.reader.GetAttribute(XmlConstants.AtomHRefAttributeName);
if (String.IsNullOrEmpty(href))
{
throw Error.InvalidOperation(Strings.Context_MissingEditMediaLinkInResponseBody);
}
targetEntry.MediaEditUri = this.ConvertHRefAttributeValueIntoURI(href);
targetEntry.StreamETagText = this.reader.GetAttribute(XmlConstants.AtomETagAttributeName, XmlConstants.DataWebMetadataNamespace);
}
if (!this.reader.IsEmptyElement)
{
string propertyName = UriUtil.GetNameFromAtomLinkRelationAttribute(relation);
if (propertyName == null)
{
return;
}
string propertyValueText = this.reader.GetAttribute(XmlConstants.AtomTypeAttributeName);
bool isFeed;
if (!IsAllowedLinkType(propertyValueText, out isFeed))
{
return;
}
if (!ReadChildElement(this.reader, XmlConstants.AtomInlineElementName, XmlConstants.DataWebMetadataNamespace))
{
return;
}
bool emptyInlineCollection = this.reader.IsEmptyElement;
object propertyValue = null;
if (!emptyInlineCollection)
{
AtomFeed nestedFeed = null;
AtomEntry nestedEntry = null;
List <AtomEntry> feedEntries = null;
Debug.Assert(this.reader is Xml.XmlWrappingReader, "reader must be a instance of XmlWrappingReader");
string readerBaseUri = this.reader.BaseURI;
XmlReader nestedReader = Xml.XmlWrappingReader.CreateReader(readerBaseUri, this.reader.ReadSubtree());
nestedReader.Read();
Debug.Assert(nestedReader.LocalName == "inline", "nestedReader.LocalName == 'inline'");
AtomParser nested = new AtomParser(nestedReader, this.entryCallback, this.typeScheme, this.currentDataNamespace);
while (nested.Read())
{
switch (nested.DataKind)
{
case AtomDataKind.Feed:
feedEntries = new List <AtomEntry>();
nestedFeed = nested.CurrentFeed;
propertyValue = nestedFeed;
break;
case AtomDataKind.Entry:
nestedEntry = nested.CurrentEntry;
if (feedEntries != null)
{
feedEntries.Add(nestedEntry);
}
else
{
propertyValue = nestedEntry;
}
break;
case AtomDataKind.PagingLinks:
// Here the inner feed parser found a paging link, and stored it on nestedFeed.NextPageLink
// we are going to add it into a link table and associate
// with the collection at AtomMaterializer::Materialize()
// Do nothing for now.
break;
default:
throw new InvalidOperationException(Strings.AtomParser_UnexpectedContentUnderExpandedLink);
}
}
if (nestedFeed != null)
{
Debug.Assert(
nestedFeed.Entries == null,
"nestedFeed.Entries == null -- otherwise someone initialized this for us");
nestedFeed.Entries = feedEntries;
}
}
AtomContentProperty property = new AtomContentProperty();
property.Name = propertyName;
if (emptyInlineCollection || propertyValue == null)
{
property.IsNull = true;
if (isFeed)
{
property.Feed = new AtomFeed();
property.Feed.Entries = Enumerable.Empty <AtomEntry>();
}
else
{
property.Entry = new AtomEntry();
property.Entry.IsNull = true;
}
}
else
{
property.Feed = propertyValue as AtomFeed;
property.Entry = propertyValue as AtomEntry;
}
targetEntry.DataValues.Add(property);
}
}
internal static object ChangeType(string propertyValue, Type propertyType)
{
Debug.Assert(null != propertyValue, "should never be passed null");
try
{
switch ((StorageType)IndexOfStorage(propertyType))
{
case StorageType.Boolean:
return(XmlConvert.ToBoolean(propertyValue));
case StorageType.Byte:
return(XmlConvert.ToByte(propertyValue));
case StorageType.ByteArray:
return(Convert.FromBase64String(propertyValue));
case StorageType.Char:
return(XmlConvert.ToChar(propertyValue));
case StorageType.CharArray:
return(propertyValue.ToCharArray());
case StorageType.DateTime:
return(XmlConvert.ToDateTime(propertyValue, XmlDateTimeSerializationMode.RoundtripKind));
case StorageType.DateTimeOffset:
return(XmlConvert.ToDateTimeOffset(propertyValue));
case StorageType.Decimal:
return(XmlConvert.ToDecimal(propertyValue));
case StorageType.Double:
return(XmlConvert.ToDouble(propertyValue));
case StorageType.Guid:
return(new Guid(propertyValue));
case StorageType.Int16:
return(XmlConvert.ToInt16(propertyValue));
case StorageType.Int32:
return(XmlConvert.ToInt32(propertyValue));
case StorageType.Int64:
return(XmlConvert.ToInt64(propertyValue));
case StorageType.Single:
return(XmlConvert.ToSingle(propertyValue));
case StorageType.String:
return(propertyValue);
case StorageType.SByte:
return(XmlConvert.ToSByte(propertyValue));
case StorageType.TimeSpan:
return(XmlConvert.ToTimeSpan(propertyValue));
case StorageType.Type:
return(Type.GetType(propertyValue, true));
case StorageType.UInt16:
return(XmlConvert.ToUInt16(propertyValue));
case StorageType.UInt32:
return(XmlConvert.ToUInt32(propertyValue));
case StorageType.UInt64:
return(XmlConvert.ToUInt64(propertyValue));
case StorageType.Uri:
return(Util.CreateUri(propertyValue, UriKind.RelativeOrAbsolute));
case StorageType.XDocument:
return(0 < propertyValue.Length ? System.Xml.Linq.XDocument.Parse(propertyValue) : new System.Xml.Linq.XDocument());
case StorageType.XElement:
return(System.Xml.Linq.XElement.Parse(propertyValue));
#if !ASTORIA_LIGHT
case StorageType.Binary:
Debug.Assert(null != knownTypes[(int)StorageType.Binary], "null typeof(System.Data.Linq.Binary)");
return(Activator.CreateInstance(knownTypes[(int)StorageType.Binary], Convert.FromBase64String(propertyValue)));
#endif
default:
Debug.Assert(false, "new StorageType without update to knownTypes");
return(propertyValue);
}
}
catch (FormatException ex)
{
propertyValue = (0 == propertyValue.Length ? "String.Empty" : "String");
throw Error.InvalidOperation(Strings.Deserialize_Current(propertyType.ToString(), propertyValue), ex);
}
catch (OverflowException ex)
{
propertyValue = (0 == propertyValue.Length ? "String.Empty" : "String");
throw Error.InvalidOperation(Strings.Deserialize_Current(propertyType.ToString(), propertyValue), ex);
}
}