Exemple #1
0
        /// <summary>
        /// Copies the Package to the Outstream
        /// The package is closed after it has been saved
        /// </summary>
        /// <param name="OutputStream">The stream to copy the package to</param>
        public void SaveAs(Stream OutputStream)
        {
            File = null;
            Save();

            if (Encryption.IsEncrypted)
            {
                //Encrypt Workbook
                Byte[] file = new byte[Stream.Length];
                long pos = Stream.Position;
                Stream.Seek(0, SeekOrigin.Begin);
                Stream.Read(file, 0, (int)Stream.Length);

                EncryptedPackageHandler eph = new EncryptedPackageHandler();
                var ms = eph.EncryptPackage(file, Encryption);
                CopyStream(ms, ref OutputStream);
            }
            else
            {
                CopyStream(_stream, ref OutputStream);
            }
        }
Exemple #2
0
        internal byte[] GetAsByteArray(bool save)
        {
            if(save) Workbook.Save();
            _package.Close();

            Byte[] byRet = new byte[Stream.Length];
            long pos = Stream.Position;            
            Stream.Seek(0, SeekOrigin.Begin);
            Stream.Read(byRet, 0, (int)Stream.Length);

            //Encrypt Workbook?
            if (Encryption.IsEncrypted)
            {
                EncryptedPackageHandler eph=new EncryptedPackageHandler();
                var ms = eph.EncryptPackage(byRet, Encryption);
                byRet = ms.ToArray();
            }

            Stream.Seek(pos, SeekOrigin.Begin);
            Stream.Close();
            return byRet;
        }
Exemple #3
0
        /// <summary>
        /// Saves all the components back into the package.
        /// This method recursively calls the Save method on all sub-components.
        /// We close the package after the save is done.
        /// </summary>
        public void Save()
        {
            try
            {
                Workbook.Save();
                if (File == null)
                {
                    _package.Close();
                }
                else
                {
                    if (System.IO.File.Exists(File.FullName))
                    {
                        try
                        {
                            System.IO.File.Delete(File.FullName);
                        }
                        catch (Exception ex)
                        {
                            throw (new Exception(string.Format("Error overwriting file {0}", File.FullName), ex));
                        }
                    }
                    if (Stream is MemoryStream)
                    {
                        _package.Close();
                        var fi = new FileStream(File.FullName, FileMode.Create);
                        //EncryptPackage
                        if (Encryption.IsEncrypted)
                        {
                            byte[] file = ((MemoryStream)Stream).ToArray();
                            EncryptedPackageHandler eph = new EncryptedPackageHandler();
                            var ms = eph.EncryptPackage(file, Encryption);

                            fi.Write(ms.GetBuffer(), 0, (int)ms.Length);
                            ms.Close();
                        }
                        else
                        {
                            fi.Write(((MemoryStream)Stream).GetBuffer(), 0, (int)Stream.Length);
                            Stream.Close();
                        }
                        fi.Close();
                    }
                    else
                    {
                        System.IO.File.WriteAllBytes(File.FullName, GetAsByteArray(false));
                    }
                }
            }
            catch (Exception ex)
            {
                if (File == null)
                {
                    throw (ex);
                }
                else
                {
                    throw (new InvalidOperationException(string.Format("Error saving file {0}", File.FullName), ex));
                }
            }
        }