public ToFile ( AnyObjectId objectId ) : FileInfo | ||
objectId | AnyObjectId | |
Résultat | FileInfo |
internal ObjectId WriteObject(ObjectType type, long len, Stream input, bool store) { FileInfo info; DeflaterOutputStream stream; FileStream stream2; ObjectId objectId = null; if (store) { info = _r.ObjectsDirectory.CreateTempFile("noz"); stream2 = info.OpenWrite(); } else { info = null; stream2 = null; } _md.Reset(); if (store) { _def.Reset(); stream = new DeflaterOutputStream(stream2, _def); } else { stream = null; } try { int num; byte[] bytes = Codec.EncodedTypeString(type); _md.Update(bytes); if (stream != null) { stream.Write(bytes, 0, bytes.Length); } _md.Update(0x20); if (stream != null) { stream.WriteByte(0x20); } bytes = Constants.encodeASCII(len.ToString()); _md.Update(bytes); if (stream != null) { stream.Write(bytes, 0, bytes.Length); } _md.Update(0); if (stream != null) { stream.WriteByte(0); } while ((len > 0L) && ((num = input.Read(_buf, 0, (int)Math.Min(len, _buf.Length))) > 0)) { _md.Update(_buf, 0, num); if (stream != null) { stream.Write(_buf, 0, num); } len -= num; } if (len != 0L) { throw new IOException("Input did not match supplied Length. " + len + " bytes are missing."); } if (stream != null) { stream.Close(); if (info != null) { info.IsReadOnly = true; } } objectId = ObjectId.FromRaw(_md.Digest()); } finally { if ((objectId == null) && (stream != null)) { try { stream.Close(); } finally { info.DeleteFile(); } } } if (info != null) { if (_r.HasObject(objectId)) { // Object is already in the repository so remove // the temporary file. // info.DeleteFile(); } else { FileInfo info2 = _r.ToFile(objectId); if (!info.RenameTo(info2.FullName)) { // Maybe the directory doesn't exist yet as the object // directories are always lazily created. Note that we // try the rename first as the directory likely does exist. // if (info2.Directory != null) { info2.Directory.Create(); } if (!info.RenameTo(info2.FullName) && !_r.HasObject(objectId)) { // The object failed to be renamed into its proper // location and it doesn't exist in the repository // either. We really don't know what went wrong, so // fail. // info.DeleteFile(); throw new ObjectWritingException("Unable to create new object: " + info2); } } } } return(objectId); }