public Stream CreateFile(FileDescription fileDescription, SignOptions signOptions = null,
SaveOptions saveOptions = null)
{
CloudBlobContainer container = GetContainerReference();
string name = fileDescription.GUID.ToLower();
CloudBlockBlob blob = container.GetBlockBlobReference(name);
using (MemoryStream emptyStream = new MemoryStream())
{
blob.UploadFromStream(emptyStream);
}
try
{
CloudAppendBlob appendBlob = container.GetAppendBlobReference(name);
appendBlob.CreateOrReplace();
return(appendBlob.OpenWrite(true));
}
catch (Microsoft.WindowsAzure.Storage.StorageException exception)
{
// Azure Storage Emulator does not support append BLOBs,
// so we emulate appending
return(new CachingAzureStream(blob));
}
}
