public Stream GetReadOnlyApplefileStream()
{
base.CheckDisposed("GetReadOnlyApplefileStream");
if (this.IsFlaggedAsMacAttachment)
{
object obj = base.TryGetProperty(InternalSchema.AttachmentMacInfo);
if (obj is byte[])
{
return(new MemoryStream(obj as byte[], false));
}
if (PropertyError.IsPropertyValueTooBig(obj))
{
return(this.OpenPropertyStream(InternalSchema.AttachmentMacInfo, PropertyOpenMode.ReadOnly));
}
using (Stream rawContentStream = this.GetRawContentStream(PropertyOpenMode.ReadOnly))
{
if (this.IsMacAttachmentInternal(rawContentStream))
{
using (DisposeGuard disposeGuard = default(DisposeGuard))
{
Stream stream = disposeGuard.Add <MemoryStream>(new MemoryStream());
string text = null;
byte[] array = null;
MimeAppleTranscoder.MacBinToApplefile(rawContentStream, stream, out text, out array);
disposeGuard.Success();
return(stream);
}
}
throw new CorruptDataException(ServerStrings.ConversionFailedInvalidMacBin);
}
}
throw new InvalidOperationException();
}
private bool IsMacAttachmentInternal(Stream attachStream)
{
this.isMacAttachment = new bool?(false);
if (this.IsFlaggedAsMacAttachment && attachStream != null)
{
this.isMacAttachment = new bool?(MimeAppleTranscoder.IsMacBinStream(attachStream));
}
return(this.isMacAttachment.Value);
}
public override Stream GetContentStream(PropertyOpenMode openMode)
{
base.CheckDisposed("GetContentStream");
Stream contentStream = base.GetContentStream(openMode);
if (!this.IsMacAttachmentInternal(contentStream))
{
return(contentStream);
}
if (openMode == PropertyOpenMode.ReadOnly)
{
return(MimeAppleTranscoder.ExtractDataFork(contentStream));
}
throw new InvalidOperationException("Unable to get write stream for mac attachment.");
}