static EntityDesignerUtils()
{
EFNamespaceSet set = new EFNamespaceSet {
Edmx = "http://schemas.microsoft.com/ado/2007/06/edmx",
Csdl = "http://schemas.microsoft.com/ado/2006/04/edm",
Msl = "urn:schemas-microsoft-com:windows:storage:mapping:CS",
Ssdl = "http://schemas.microsoft.com/ado/2006/04/edm/ssdl"
};
v1Namespaces = set;
set = new EFNamespaceSet {
Edmx = "http://schemas.microsoft.com/ado/2008/10/edmx",
Csdl = "http://schemas.microsoft.com/ado/2008/09/edm",
Msl = "http://schemas.microsoft.com/ado/2008/09/mapping/cs",
Ssdl = "http://schemas.microsoft.com/ado/2009/02/edm/ssdl"
};
v2Namespaces = set;
set = new EFNamespaceSet {
Edmx = "http://schemas.microsoft.com/ado/2009/11/edmx",
Csdl = "http://schemas.microsoft.com/ado/2009/11/edm",
Msl = "http://schemas.microsoft.com/ado/2009/11/mapping/cs",
Ssdl = "http://schemas.microsoft.com/ado/2009/11/edm/ssdl"
};
v3Namespaces = set;
_edmxFileExtension = ".edmx";
}
internal static void ExtractConceptualMappingAndStorageNodes(StreamReader edmxInputStream, out XmlElement conceptualSchemaNode, out XmlElement mappingNode, out XmlElement storageSchemaNode, out string metadataArtifactProcessingValue)
{
XmlDocument document = new XmlDocument();
using (XmlReader reader = XmlReader.Create(edmxInputStream))
{
document.Load(reader);
}
EFNamespaceSet set = v3Namespaces;
if (document.DocumentElement.NamespaceURI == v2Namespaces.Edmx)
{
set = v2Namespaces;
}
else if (document.DocumentElement.NamespaceURI == v1Namespaces.Edmx)
{
set = v1Namespaces;
}
XmlNamespaceManager nsmgr = new XmlNamespaceManager(document.NameTable);
nsmgr.AddNamespace("edmx", set.Edmx);
nsmgr.AddNamespace("edm", set.Csdl);
nsmgr.AddNamespace("ssdl", set.Ssdl);
nsmgr.AddNamespace("map", set.Msl);
conceptualSchemaNode = (XmlElement)document.SelectSingleNode("/edmx:Edmx/edmx:Runtime/edmx:ConceptualModels/edm:Schema", nsmgr);
storageSchemaNode = (XmlElement)document.SelectSingleNode("/edmx:Edmx/edmx:Runtime/edmx:StorageModels/ssdl:Schema", nsmgr);
mappingNode = (XmlElement)document.SelectSingleNode("/edmx:Edmx/edmx:Runtime/edmx:Mappings/map:Mapping", nsmgr);
metadataArtifactProcessingValue = string.Empty;
XmlNodeList list = document.SelectNodes("/edmx:Edmx/edmx:Designer/edmx:Connection/edmx:DesignerInfoPropertySet/edmx:DesignerProperty", nsmgr);
if (list != null)
{
foreach (XmlNode node in list)
{
foreach (XmlAttribute attribute in node.Attributes)
{
if (attribute.Name.Equals("Name", StringComparison.Ordinal) && attribute.Value.Equals("MetadataArtifactProcessing", StringComparison.OrdinalIgnoreCase))
{
foreach (XmlAttribute attribute2 in node.Attributes)
{
if (attribute2.Name.Equals("Value", StringComparison.Ordinal))
{
metadataArtifactProcessingValue = attribute2.Value;
break;
}
}
}
}
}
}
}
/// <summary>
/// Extract the Conceptual, Mapping and Storage nodes from an EDMX input streams, and extract the value of the metadataArtifactProcessing property.
/// </summary>
/// <param name="edmxInputStream"></param>
/// <param name="conceptualSchemaNode"></param>
/// <param name="mappingNode"></param>
/// <param name="storageSchemaNode"></param>
///
internal static void ExtractConceptualMappingAndStorageNodes(StreamReader edmxInputStream,
out XmlElement conceptualSchemaNode, out XmlElement mappingNode, out XmlElement storageSchemaNode, out string metadataArtifactProcessingValue)
{
// load up an XML document representing the edmx file
XmlDocument xmlDocument = new XmlDocument();
using (var reader = XmlReader.Create(edmxInputStream))
{
xmlDocument.Load(reader);
}
EFNamespaceSet set = v3Namespaces;
if (xmlDocument.DocumentElement.NamespaceURI == v2Namespaces.Edmx)
{
set = v2Namespaces;
}
else if (xmlDocument.DocumentElement.NamespaceURI == v1Namespaces.Edmx)
{
set = v1Namespaces;
}
XmlNamespaceManager nsMgr = new XmlNamespaceManager(xmlDocument.NameTable);
nsMgr.AddNamespace("edmx", set.Edmx);
nsMgr.AddNamespace("edm", set.Csdl);
nsMgr.AddNamespace("ssdl", set.Ssdl);
nsMgr.AddNamespace("map", set.Msl);
// find the ConceptualModel Schema node
conceptualSchemaNode = (XmlElement)xmlDocument.SelectSingleNode(
"/edmx:Edmx/edmx:Runtime/edmx:ConceptualModels/edm:Schema", nsMgr);
// find the StorageModel Schema node
storageSchemaNode = (XmlElement)xmlDocument.SelectSingleNode(
"/edmx:Edmx/edmx:Runtime/edmx:StorageModels/ssdl:Schema", nsMgr);
// find the Mapping node
mappingNode = (XmlElement)xmlDocument.SelectSingleNode(
"/edmx:Edmx/edmx:Runtime/edmx:Mappings/map:Mapping", nsMgr);
// find the Connection node
metadataArtifactProcessingValue = String.Empty;
XmlNodeList connectionProperties = xmlDocument.SelectNodes(
"/edmx:Edmx/edmx:Designer/edmx:Connection/edmx:DesignerInfoPropertySet/edmx:DesignerProperty", nsMgr);
if (connectionProperties != null)
{
foreach (XmlNode propertyNode in connectionProperties)
{
foreach (XmlAttribute a in propertyNode.Attributes)
{
// treat attribute names case-sensitive (since it is xml), but attribute value case-insensitive to be accommodating .
if (a.Name.Equals("Name", StringComparison.Ordinal) && a.Value.Equals("MetadataArtifactProcessing", StringComparison.OrdinalIgnoreCase))
{
foreach (XmlAttribute a2 in propertyNode.Attributes)
{
if (a2.Name.Equals("Value", StringComparison.Ordinal))
{
metadataArtifactProcessingValue = a2.Value;
break;
}
}
}
}
}
}
}