/// <summary>
/// Saves the <paramref name="data"/> byte array to the <paramref name="outputFile"/>
/// </summary>
/// <param name="data">The stream as byte array</param>
/// <param name="outputFile">The output filename with path</param>
/// <returns></returns>
/// <exception cref="OEFileIsCorrupt">Raised when the file is corrupt</exception>
internal static string SaveByteArrayToFile(byte[] data, string outputFile)
{
// Because the data is stored in a stream we have no name for it so we
// have to check the magic bytes to see with what kind of file we are dealing
var extension = Path.GetExtension(outputFile);
if (string.IsNullOrEmpty(extension))
{
var fileType = FileTypeSelector.GetFileTypeFileInfo(data);
if (fileType != null && !string.IsNullOrEmpty(fileType.Extension))
outputFile += "." + fileType.Extension;
if (fileType != null)
extension = "." + fileType.Extension;
}
// Check if the output file already exists and if so make a new one
outputFile = FileManager.FileExistsMakeNew(outputFile);
if (extension != null)
{
switch (extension.ToUpperInvariant())
{
case ".XLS":
case ".XLT":
case ".XLW":
using (var memoryStream = new MemoryStream(data))
using (var compoundFile = new CompoundFile(memoryStream))
{
Excel.SetWorkbookVisibility(compoundFile.RootStorage);
compoundFile.Save(outputFile);
}
break;
case ".XLSB":
case ".XLSM":
case ".XLSX":
case ".XLTM":
case ".XLTX":
using (var memoryStream = new MemoryStream(data))
{
var file = Excel.SetWorkbookVisibility(memoryStream);
File.WriteAllBytes(outputFile, file.ToArray());
}
break;
default:
File.WriteAllBytes(outputFile, data);
break;
}
}
else
File.WriteAllBytes(outputFile, data);
return outputFile;
}
/// <summary>
/// This will save the complete tree from the given <paramref name="storage"/> to a new <see cref="CompoundFile"/>
/// </summary>
/// <param name="storage"></param>
/// <param name="fileName">The filename with path for the new compound file</param>
internal static string SaveStorageTreeToCompoundFile(CFStorage storage, string fileName)
{
fileName = FileManager.FileExistsMakeNew(fileName);
using (var compoundFile = new CompoundFile())
{
GetStorageChain(compoundFile.RootStorage, storage);
compoundFile.Save(fileName);
}
return fileName;
}
