/// <summary>
/// Parse a XElement type parameter to a Property type instance.
/// </summary>
/// <param name="propertyValueElement">A PropertyValue element in metadata document.</param>
/// <param name="complexTypeElement">A related ComplexType element in metadata document.</param>
/// <returns>Return a Property type instance.</returns>
public static ODataProperty Parse(XElement propertyValueElement, ComplexTypeElement complexTypeElement)
{
if (null == propertyValueElement || null == complexTypeElement)
{
throw new ArgumentNullException("The value of parameter 'propertyValueElement' or 'complexTypeElement' cannot be null.");
}
// Set the property name.
string propName = null != propertyValueElement.Attribute("Property") ?
propertyValueElement.Attribute("Property").Value :
null;
// Set the property type.
string propType = null;
foreach (var prop in complexTypeElement.Properties)
{
if (prop.Name == propName)
{
propType = prop.Type;
break;
}
}
if (null == propType)
{
throw new NullReferenceException("The property type does not contain in the input parameter 'complexTypeElement'.");
}
// Set the property value.
object propVal = null;
if (propType.StartsWith("Collection("))
{
string subType = propType.RemoveCollectionFlag().RemoveEdmDotPrefix();
if (string.Empty != propertyValueElement.Value)
{
string xPath = string.Format("./*[local-name()='Collection']/*[local-name()='{0}']", subType);
var elements = propertyValueElement.XPathSelectElements(xPath, ODataNamespaceManager.Instance).ToList();
List <string> vals = new List <string>();
elements.ForEach(e =>
{
vals.Add(e.Value);
});
propVal = vals;
}
}
else
{
propVal = ODataProperty.GetPropertyValue(propertyValueElement, propType);
}
return(new ODataProperty(propName, propVal, propType));
}
/// <summary>
/// Parse a XElement type parameter to a Property type instance.
/// </summary>
/// <param name="propertyValueElement">A PropertyValue element in metadata document.</param>
/// <param name="complexTypeElement">A related ComplexType element in metadata document.</param>
/// <returns>Return a Property type instance.</returns>
public static ODataProperty Parse(XElement propertyValueElement, ComplexTypeElement complexTypeElement)
{
if (null == propertyValueElement || null == complexTypeElement)
{
throw new ArgumentNullException("The value of parameter 'propertyValueElement' or 'complexTypeElement' cannot be null.");
}
// Set the property name.
string propName = null != propertyValueElement.Attribute("Property") ?
propertyValueElement.Attribute("Property").Value :
null;
// Set the property type.
string propType = null;
foreach (var prop in complexTypeElement.Properties)
{
if (prop.Name == propName)
{
propType = prop.Type;
break;
}
}
if (null == propType)
{
throw new NullReferenceException("The property type does not contain in the input parameter 'complexTypeElement'.");
}
// Set the property value.
object propVal = null;
if (propType.StartsWith("Collection("))
{
string subType = propType.RemoveCollectionFlag().RemoveEdmDotPrefix();
if (string.Empty != propertyValueElement.Value)
{
string xPath = string.Format("./*[local-name()='Collection']/*[local-name()='{0}']", subType);
var elements = propertyValueElement.XPathSelectElements(xPath, ODataNamespaceManager.Instance).ToList();
List<string> vals = new List<string>();
elements.ForEach(e =>
{
vals.Add(e.Value);
});
propVal = vals;
}
}
else
{
propVal = ODataProperty.GetPropertyValue(propertyValueElement, propType);
}
return new ODataProperty(propName, propVal, propType);
}
/// <summary>
/// Gets the supportive feature information of all the metadata elements.
/// Note: This method is only used to validate all the terms with complex type.
/// </summary>
/// <param name="targetShortName">The short name of target element.</param>
/// <param name="termElement">The term information which will be validated.</param>
/// <param name="complexTypeElement">The complex type template.</param>
/// <param name="metadataDoc">The metadata document.</param>
/// <returns>Returns the validation.</returns>
public static ODataComplexType GetSupportiveFeatureInfo(string targetShortName, TermElement termElement, ComplexTypeElement complexTypeElement, string metadataDoc)
{
if (string.IsNullOrEmpty(targetShortName) || null == termElement || null == complexTypeElement || !metadataDoc.IsXmlPayload())
{
return null;
}
ODataComplexType complexType = new ODataComplexType(complexTypeElement.Name);
var metadata = XElement.Parse(metadataDoc);
string aliasTermName = string.Format("{0}.{1}", termElement.Alias, termElement.Name);
string namespaceTermName = string.Format("{0}.{1}", termElement.Namespace, termElement.Name);
for (int i = 0; i < termElement.AppliesTo.Length; i++)
{
#region Gets the inside annotation.
// Gets the specified annotation which is defined in entity-set element.
string xPath = string.Format("//*[local-name()='{0}' and @Name='{1}']/*[local-name()='Annotation'][@Term='{2}' or @Term='{3}']",
termElement.AppliesTo[i],
targetShortName,
aliasTermName,
namespaceTermName);
var annotationInside = metadata.XPathSelectElement(xPath, ODataNamespaceManager.Instance);
#endregion
#region Gets the outside annotation.
// Gets the specified annotation which is defined in annotations element.
XElement annotationOutside = null;
xPath = string.Format("//*[local-name()='{0}' and @Name='{1}']", termElement.AppliesTo[i], targetShortName);
var entitySetElement = metadata.XPathSelectElement(xPath, ODataNamespaceManager.Instance);
if (null != entitySetElement)
{
var localAliasNamespace = MetadataHelper.GetAliasAndNamespace(entitySetElement);
xPath = string.Format("//*[local-name()='Annotations'][@Target='{0}' or @Target='{1}' or @Target='{2}']/*[local-name()='Annotation'][@Term='{3}' or @Term='{4}']",
targetShortName,
string.Format("{0}.{1}", localAliasNamespace.Alias, targetShortName),
string.Format("{0}.{1}", localAliasNamespace.Namespace, targetShortName),
aliasTermName,
namespaceTermName);
annotationOutside = metadata.XPathSelectElement(xPath, ODataNamespaceManager.Instance);
}
#endregion
if (null != annotationInside)
{
// Get the annotation information from target element in metadata. (e.g. EntitySet)
xPath = ".//*[local-name()='PropertyValue']";
var propertyValueElements = annotationInside.XPathSelectElements(xPath, ODataNamespaceManager.Instance);
if (null != propertyValueElements && 0 != propertyValueElements.Count())
{
foreach (var pV in propertyValueElements)
{
complexType.AddProperty(ODataProperty.Parse(pV, complexTypeElement));
}
}
}
if (null != annotationOutside)
{
// Get the annotation information from Annotations element in metadata.
var propertyValueElements = annotationOutside.XPathSelectElements(xPath, ODataNamespaceManager.Instance);
if (null != propertyValueElements)
{
foreach (var pV in propertyValueElements)
{
complexType.AddProperty(ODataProperty.Parse(pV, complexTypeElement));
}
}
}
if (complexType.GetProperties().Any())
{
return complexType;
}
}
foreach (var prop in complexTypeElement.Properties)
{
if (null != prop.DefaultValue && prop.Type.StartsWith("Edm."))
{
complexType.AddProperty(new ODataProperty(prop.Name, prop.DefaultValue, prop.Type));
}
}
return complexType;
}