I can conveniently extract all image files within the zip file, but now if there exist some zipped files within the zip file I want to extract everything. But when I try to extarct the zipped file within the zip file I get "DirectoryNotFoundException" Any help is greatly appreciated.
List<byte[]> ImagesAsBytes = new List<byte[]>();
private List<byte[]> FilesToBytesExtarctor(SevenZipExtractor Extractor, String[] FileNames, out String InfoTxt)
{
MemoryStream ms = new MemoryStream();
InfoTxt = "";
for (int i = 0; i < Extractor.FilesCount; i++)
{
if (IsDir(FileNames[i])) continue;
for (int x = 0; x < SupportedImageFormats.Count; x++)
{
if (FileNames[i].ToLower().EndsWith(SupportedImageFormats[x].ToString()))
{
ms = new MemoryStream();
Extractor.ExtractFile(FileNames[i], ms);
//Extractor.ExtractArchive(FileNames[i], ms);
ms.Position = 0;
ImagesAsBytes.Add(ms.ToArray());
ms.Close();
}
else if (FileNames[i].EndsWith(".txt") || FileNames[i].EndsWith(".TXT"))
{
ms = new MemoryStream();
Extractor.ExtractFile(FileNames[i], ms);
ms.Position = 0;
StreamReader sr = new StreamReader(ms);
InfoTxt = sr.ReadToEnd();
ms.Close();
//NextFile = true;
}
else if (FileNames[i].ToLower().EndsWith(SupportedArchiveFormats[x].ToString()))
{
SevenZipExtractor Extractor2;
string[] files = RawFileExtractor(Path.Combine(Extractor.FileName, FileNames[i]), out Extractor2);
ImagesAsBytes.AddRange(FilesToBytesExtarctor(Extractor2, files, out InfoTxt));
}
}
}
Extractor.Dispose();
return ImagesAsBytes;
}
private String[] RawFileExtractor(string file, out SevenZipExtractor Extractor)
{
Extractor = new SevenZipExtractor(file);
String[] FileNames = Extractor.ArchiveFileNames.ToArray();
Array.Sort(FileNames);
return FileNames;
}
I finally got it. If the path contains a zip, The library cant read from the path, so I converted the inner zip file to stream and then use another overloaded method to extract the content of the inner zip file recurssively. I modified the archive path as follows
else if (FileNames[i].ToLower().EndsWith(SupportedArchiveFormats[x].ToString()))
{
ms = new MemoryStream();
Extractor.ExtractFile(FileNames[i], ms);
ms.Position = 0;
SevenZipExtractor Extractor2;
string[] files = RawFileExtractorStream(ms, out Extractor2);
ImagesAsBytes.AddRange(FilesToBytesExtarctor(Extractor2, files, out InfoTxt)); //recurrsive: call function within its self
}
Then I created an overloaded method for the stream
private String[] RawFileExtractorStream(Stream file, out SevenZipExtractor Extractor)
{
Extractor = new SevenZipExtractor(file);
String[] FileNames = Extractor.ArchiveFileNames.ToArray();
Array.Sort(FileNames);
return FileNames;
}
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