//------------------------------------------------------
//
// Public Constructors
//
//------------------------------------------------------
// None
//------------------------------------------------------
//
// Public Properties
//
//------------------------------------------------------
// None
//------------------------------------------------------
//
// Public Methods
//
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#region Public Methods
/// <summary>
/// Custom Implementation for the GetStream Method
/// </summary>
/// <param name="mode">Mode in which the stream should be opened</param>
/// <param name="access">Access with which the stream should be opened</param>
/// <returns>Stream Corresponding to this part</returns>
protected override Stream GetStreamCore(FileMode mode, FileAccess access)
{
if (Package.InStreamingCreation)
{
// Convert Metro CompressionOption to Zip CompressionMethodEnum.
CompressionMethodEnum compressionMethod;
DeflateOptionEnum deflateOption;
ZipPackage.GetZipCompressionMethodFromOpcCompressionOption(this.CompressionOption,
out compressionMethod, out deflateOption);
// Mode and access get validated in StreamingZipPartStream().
return(new StreamingZipPartStream(
PackUriHelper.GetStringForPartUri(this.Uri),
_zipArchive,
compressionMethod, deflateOption,
mode, access));
}
else if (_zipFileInfo != null)
{
// Case of an atomic part.
return(_zipFileInfo.GetStream(mode, access));
}
else
{
// Case of an interleaved part.
Invariant.Assert(_pieces != null);
return(new InterleavedZipPartStream(this, mode, access));
}
}
