public IBaseMessage Execute(IPipelineContext pipelineContext, IBaseMessage message)
{
if (pipelineContext == null)
{
throw new ArgumentNullException(nameof(pipelineContext));
}
if (message == null)
{
throw new ArgumentNullException(nameof(message));
}
var messageType = message.ProbeMessageType(pipelineContext);
var schemaMetadata = pipelineContext.GetSchemaMetadataByType(messageType, false);
if (schemaMetadata.IsEnvelopeSchema)
{
// rewrite empty or partial envelope to prevent disassembler from throwing
message.BodyPart.WrapOriginalDataStream(
originalStream => {
if (_logger.IsDebugEnabled)
{
_logger.Debug($"Wrapping message stream in an {nameof(XmlEnvelopeDecodingStream)}.");
}
return(new XmlEnvelopeDecodingStream(originalStream, schemaMetadata.BodyXPath));
},
pipelineContext.ResourceTracker);
}
return(message);
}
internal IEnumerable <PropertyExtractor> BuildPropertyExtractorCollection(IPipelineContext pipelineContext, IBaseMessage message)
{
var messageType = message.GetOrProbeMessageType(pipelineContext);
var schemaMetadata = pipelineContext.GetSchemaMetadataByType(messageType, false);
var schemaExtractors = schemaMetadata.Annotations.Extractors;
return(schemaExtractors.Union(Extractors));
}
/// <summary>
/// Returns the <see cref="ISchemaMetadata"/> associated to the XML schema of messages of a given <see
/// cref="DocumentSpec"/> type.
/// </summary>
/// <param name="pipelineContext">
/// The pipeline context from which the <see cref="DocumentSpec"/> can be queried.
/// </param>
/// <param name="docType">
/// The <see cref="DocumentSpec"/> type of the messages for which the <see cref="ISchemaMetadata"/> are to be returned.
/// </param>
/// <param name="throwOnError">
/// <c>false</c> to swallow <see cref="COMException"/> and return a <see cref="SchemaMetadata.Unknown"/> should the
/// document specification not to be found; it will however be logged as a warning. <c>true</c> to let any exception
/// through.
/// </param>
/// <returns>
/// The <see cref="ISchemaMetadata"/> associated to the XML Schema.
/// </returns>
public static ISchemaMetadata GetSchemaMetadataByType(this IPipelineContext pipelineContext, string docType, bool throwOnError)
{
if (throwOnError)
{
return(pipelineContext.GetSchemaMetadataByType(docType));
}
var schemaType = !docType.IsNullOrEmpty() && pipelineContext.TryGetDocumentSpecByType(docType, out var documentSpec)
? Type.GetType(documentSpec.DocSpecStrongName, false)
: null;
return(SchemaMetadata.For(schemaType));
}
