/// <summary>
/// Resolves metadata from the specified file.
/// </summary>
/// <param name="fileInfo">The file information.</param>
/// <returns>A list of metadata sections.</returns>
public IEnumerable <MetadataSection> Resolve(FileInfo fileInfo)
{
using (FileStream fileStream = fileInfo.Open(FileMode.Open, FileAccess.Read, FileShare.Read))
{
using (XmlReader reader = XmlReader.Create(fileStream))
{
MetadataFileType type = DetermineFileType(reader);
switch (type)
{
case MetadataFileType.Wsdl:
return(LoadAsWsdl(reader, fileInfo.FullName));
case MetadataFileType.Xsd:
return(LoadAsXmlSchema(reader, fileInfo.FullName));
case MetadataFileType.Policy:
return(LoadAsPolicy(reader, fileInfo.FullName));
case MetadataFileType.Epr:
return(LoadAsEpr(reader, fileInfo.FullName));
case MetadataFileType.UnknownXml:
return(LoadAsUnknownXml(reader, fileInfo.FullName));
}
throw new MetadataDiscoveryException("The file '{0}' does not appear to be an XML metadata file.");
}
}
}
internal async Task LoadFromStreamAsync(Stream stream, string uri, string basePath, CancellationToken cancellationToken)
{
using (var reader = XmlNS.XmlReader.Create(stream, new XmlNS.XmlReaderSettings()
{
XmlResolver = null, DtdProcessing = XmlNS.DtdProcessing.Ignore
}))
{
MetadataFileType fileType = DetermineFileType(reader);
switch (fileType)
{
case MetadataFileType.Xsd:
await LoadAsXmlSchemaAsync(reader, uri, basePath, cancellationToken).ConfigureAwait(false);
break;
case MetadataFileType.Wsdl:
await LoadAsWsdlAsync(reader, uri, basePath, cancellationToken).ConfigureAwait(false);
break;
case MetadataFileType.Policy:
LoadAsPolicy(reader);
break;
case MetadataFileType.Epr:
await LoadAsEPRAsync(reader, cancellationToken).ConfigureAwait(false);
break;
case MetadataFileType.UnknownXml:
LoadAsUnknownXml(reader);
break;
default:
throw new MetadataExchangeException(MetadataResources.ErrNotXmlMetadataFileFormat, uri);
}
}
}
private static Edmx Load(Edmx edmx, MetadataFileType fileType, Stream metadataStream)
{
switch (fileType)
{
case MetadataFileType.ConceptualModel:
edmx.Runtimes.First().ConceptualModels.ConceptualSchema = ConceptualSchema.Load(metadataStream);
return(edmx);
case MetadataFileType.StorageModel:
edmx.Runtimes.First().StorageModels.StorageSchema = StorageSchema.Load(metadataStream);
return(edmx);
case MetadataFileType.Mapping:
edmx.Runtimes.First().Mappings.Mapping = Mapping.Load(metadataStream);
return(edmx);
case MetadataFileType.Edmx:
return(Load(metadataStream));
default:
throw new ArgumentException(String.Format("The fileType '{0}' must represent an edmx, csdl, ssdl or msl file.", fileType));
}
}
