internal static void SetCollectionProperty(object resource, string propertyName,
IEdmCollectionTypeReference edmPropertyType, object value, bool clearCollection)
{
if (value != null)
{
IEnumerable collection = value as IEnumerable;
Contract.Assert(collection != null,
"SetCollectionProperty is always passed the result of ODataFeedDeserializer or ODataCollectionDeserializer");
Type resourceType = resource.GetType();
Type propertyType = GetPropertyType(resource, propertyName);
Type elementType;
if (!propertyType.IsCollection(out elementType))
{
string message = Error.Format(SRResources.PropertyIsNotCollection, propertyType.FullName, propertyName, resourceType.FullName);
throw new SerializationException(message);
}
IEnumerable newCollection;
if (CanSetProperty(resource, propertyName) &&
CollectionDeserializationHelpers.TryCreateInstance(propertyType, edmPropertyType, elementType, out newCollection))
{
// settable collections
collection.AddToCollection(newCollection, elementType, resourceType, propertyName, propertyType);
if (propertyType.IsArray)
{
newCollection = CollectionDeserializationHelpers.ToArray(newCollection, elementType);
}
SetProperty(resource, propertyName, newCollection);
}
else
{
// get-only collections.
newCollection = GetProperty(resource, propertyName) as IEnumerable;
if (newCollection == null)
{
string message = Error.Format(SRResources.CannotAddToNullCollection, propertyName, resourceType.FullName);
throw new SerializationException(message);
}
if (clearCollection)
{
newCollection.Clear(propertyName, resourceType);
}
collection.AddToCollection(newCollection, elementType, resourceType, propertyName, propertyType);
}
}
}
internal static void SetDynamicCollectionProperty(object resource, string propertyName, object value,
IEdmCollectionTypeReference edmPropertyType, IEdmStructuredType structuredType,
ODataDeserializerContext readContext)
{
Contract.Assert(value != null);
Contract.Assert(readContext != null);
Contract.Assert(readContext.Model != null);
IEnumerable collection = value as IEnumerable;
Contract.Assert(collection != null);
Type resourceType = resource.GetType();
Type elementType = EdmLibHelpers.GetClrType(edmPropertyType.ElementType(), readContext.Model);
Type propertyType = typeof(ICollection <>).MakeGenericType(elementType);
IEnumerable newCollection;
if (CollectionDeserializationHelpers.TryCreateInstance(propertyType, edmPropertyType, elementType,
out newCollection))
{
collection.AddToCollection(newCollection, elementType, resourceType, propertyName, propertyType);
SetDynamicProperty(resource, propertyName, newCollection, structuredType, readContext);
}
}