/// <summary>
/// Write out this workbook to an Outputstream. Constructs
/// a new POI POIFSFileSystem, passes in the workbook binary representation and
/// Writes it out.
/// </summary>
/// <param name="stream">the java OutputStream you wish to Write the XLS to</param>
public override void Write(Stream stream)
{
byte[] bytes = GetBytes();
POIFSFileSystem fs = new POIFSFileSystem();
// For tracking what we've written out, used if we're
// going to be preserving nodes
List<string> excepts = new List<string>(1);
using (MemoryStream newMemoryStream = new MemoryStream(bytes))
{
// Write out the Workbook stream
fs.CreateDocument(newMemoryStream, "Workbook");
// Write out our HPFS properties, if we have them
WriteProperties(fs, excepts);
if (preserveNodes)
{
// Don't Write out the old Workbook, we'll be doing our new one
excepts.Add("Workbook");
// If the file had WORKBOOK instead of Workbook, we'll Write it
// out correctly shortly, so don't include the old one
excepts.Add("WORKBOOK");
// Copy over all the other nodes to our new poifs
POIUtils.CopyNodes(directory, fs.Root, excepts);
// YK: preserve StorageClsid, it is important for embedded workbooks,
// see Bugzilla 47920
fs.Root.StorageClsid = (this.directory.StorageClsid);
}
fs.WriteFileSystem(stream);
}
bytes = null;
}
/// <summary>
/// Writes out a given ProperySet
/// </summary>
/// <param name="name">the (POIFS Level) name of the property to Write.</param>
/// <param name="Set">the PropertySet to Write out.</param>
/// <param name="outFS">the POIFSFileSystem to Write the property into.</param>
protected void WritePropertySet(String name, PropertySet Set, POIFSFileSystem outFS)
{
try
{
MutablePropertySet mSet = new MutablePropertySet(Set);
using (MemoryStream bOut = new MemoryStream())
{
mSet.Write(bOut);
byte[] data = bOut.ToArray();
using (MemoryStream bIn = new MemoryStream(data))
{
outFS.CreateDocument(bIn, name);
}
//logger.Log(POILogger.INFO, "Wrote property Set " + name + " of size " + data.Length);
}
}
catch (WritingNotSupportedException)
{
Console.Error.WriteLine("Couldn't Write property Set with name " + name + " as not supported by HPSF yet");
}
}
