/// <summary>
/// Read a metadata document.
/// This method reads the metadata document from the input and returns
/// an <see cref="IEdmModel"/> that represents the read metadata document.
/// </summary>
/// <param name="csdlReaderSettings">The given CSDL reader settings.</param>
/// <returns>An <see cref="IEdmModel"/> representing the read metadata document.</returns>
internal override IEdmModel ReadMetadataDocument(CsdlReaderSettingsBase csdlReaderSettings)
{
// Be noted: If the input setting is not XML CSDL setting, let's use the default setting.
CsdlReaderSettings settings = csdlReaderSettings as CsdlReaderSettings;
if (settings == null)
{
settings = new CsdlReaderSettings();
}
// Use the setting to reader XML JSON
IEdmModel model;
IEnumerable <EdmError> errors;
if (!CsdlReader.TryParse(this.xmlReader, Enumerable.Empty <IEdmModel>(), settings, out model, out errors))
{
Debug.Assert(errors != null, "errors != null");
StringBuilder builder = new StringBuilder();
foreach (EdmError error in errors)
{
builder.AppendLine(error.ToString());
}
throw new ODataException(Strings.ODataMetadataInputContext_ErrorReadingMetadata(builder.ToString()));
}
Debug.Assert(model != null, "model != null");
return(model);
}
internal static IEdmModel GetODataEdmModel(this ServiceConfigurationV4 serviceConfiguration, ConnectedServiceHandlerContext context = null)
{
using (var reader = serviceConfiguration.GetXmlReaderForEndpoint())
{
var edmxReaderSettings = new CsdlReaderSettings
{
IgnoreUnexpectedAttributesAndElements = serviceConfiguration.IgnoreUnexpectedElementsAndAttributes
};
if (!CsdlReader.TryParse(reader, Enumerable.Empty <IEdmModel>(), edmxReaderSettings, out var model, out var parseErrors))
{
if (context != null)
{
foreach (var error in parseErrors)
{
var task = context.Logger.WriteMessageAsync(LoggerMessageCategory.Warning,
error.ErrorMessage);
task.RunSynchronously();
}
}
}
