/**
* Creates an instance of this class from an embedded OLE Object. The OLE Object is expected
* to include a stream "{01}Ole10Native" which Contains the actual
* data relevant for this class.
*
* @param poifs POI Filesystem object
* @return Returns an instance of this class
* @throws IOException on IO error
* @throws Ole10NativeException on invalid or unexcepted data format
*/
public static Ole10Native CreateFromEmbeddedOleObject(POIFSFileSystem poifs)
{
bool plain = false;
try
{
poifs.Root.GetEntry("\x0001Ole10ItemName");
plain = true;
}
catch (FileNotFoundException)
{
plain = false;
}
DocumentInputStream dis = poifs.CreateDocumentInputStream(OLE10_NATIVE);
using (MemoryStream bos = new MemoryStream())
{
IOUtils.Copy(dis, bos);
byte[] data = bos.ToArray();
return new Ole10Native(data, 0, plain);
}
}
/// <summary>
/// Processes a file into essentially record events.
/// </summary>
/// <param name="req">an Instance of HSSFRequest which has your registered listeners</param>
/// <param name="fs">a POIFS filesystem containing your workbook</param>
/// <returns>numeric user-specified result code.</returns>
public short AbortableProcessWorkbookEvents(HSSFRequest req, POIFSFileSystem fs)
{
Stream in1 = fs.CreateDocumentInputStream("Workbook");
return AbortableProcessEvents(req, in1);
}
/// <summary>
/// Processes a file into essentially record events.
/// </summary>
/// <param name="req">an Instance of HSSFRequest which has your registered listeners</param>
/// <param name="fs">a POIFS filesystem containing your workbook</param>
public void ProcessWorkbookEvents(HSSFRequest req, POIFSFileSystem fs)
{
Stream in1 = fs.CreateDocumentInputStream("Workbook");
ProcessEvents(req, in1);
}