public SqlDumpReader(string filePath)
{
string fileExtension = Path.GetExtension(filePath).ToLower();
if (!SUPPORTED_DUMP_FILE_EXTENSIONS.Contains(fileExtension))
{
throw new Exception($"{fileExtension} is not in the list of supported database dump file extensions.");
}
switch (fileExtension.ToLower())
{
case ".zip":
zipArchive = ZipArchive.Open(filePath);
ZipArchiveEntry firstZipArchiveEntry = zipArchive.Entries.First();
FileSize = firstZipArchiveEntry.Size;
streamReader = new StreamReader(firstZipArchiveEntry.OpenEntryStream());
break;
case ".rar":
rarArchive = RarArchive.Open(filePath);
RarArchiveEntry firstRarArchiveEntry = rarArchive.Entries.First();
FileSize = firstRarArchiveEntry.Size;
streamReader = new StreamReader(firstRarArchiveEntry.OpenEntryStream());
break;
case ".gz":
gZipArchive = GZipArchive.Open(filePath);
GZipArchiveEntry firstGZipArchiveEntry = gZipArchive.Entries.First();
FileSize = firstGZipArchiveEntry.Size;
streamReader = new StreamReader(firstGZipArchiveEntry.OpenEntryStream());
break;
case ".7z":
sevenZipArchive = SevenZipArchive.Open(filePath);
SevenZipArchiveEntry firstSevenZipArchiveEntry = sevenZipArchive.Entries.First();
FileSize = firstSevenZipArchiveEntry.Size;
streamReader = new StreamReader(new PositioningStream(firstSevenZipArchiveEntry.OpenEntryStream()));
break;
default:
FileSize = new FileInfo(filePath).Length;
streamReader = new StreamReader(filePath);
break;
}
CurrentFilePosition = 0;
}
public SqlDumpReader(string filePath)
{
string fileExtension = Path.GetExtension(filePath);
switch (fileExtension.ToLower())
{
case ".zip":
zipArchive = ZipArchive.Open(filePath);
ZipArchiveEntry firstZipArchiveEntry = zipArchive.Entries.First();
FileSize = firstZipArchiveEntry.Size;
streamReader = new StreamReader(firstZipArchiveEntry.OpenEntryStream());
break;
case ".rar":
rarArchive = RarArchive.Open(filePath);
RarArchiveEntry firstRarArchiveEntry = rarArchive.Entries.First();
FileSize = firstRarArchiveEntry.Size;
streamReader = new StreamReader(firstRarArchiveEntry.OpenEntryStream());
break;
case ".gz":
gZipArchive = GZipArchive.Open(filePath);
GZipArchiveEntry firstGZipArchiveEntry = gZipArchive.Entries.First();
FileSize = firstGZipArchiveEntry.Size;
streamReader = new StreamReader(firstGZipArchiveEntry.OpenEntryStream());
break;
case ".7z":
sevenZipArchive = SevenZipArchive.Open(filePath);
SevenZipArchiveEntry firstSevenZipArchiveEntry = sevenZipArchive.Entries.First();
FileSize = firstSevenZipArchiveEntry.Size;
streamReader = new StreamReader(firstSevenZipArchiveEntry.OpenEntryStream());
break;
default:
FileSize = new FileInfo(filePath).Length;
streamReader = new StreamReader(filePath);
break;
}
CurrentFilePosition = 0;
}
