internal static (string txt, string err) ExtractTextFromPdfStream(Stream pdfStream)
{
Console.WriteLine("ExtractTextFromPdfStream");
Configuration cfg = new Configuration(Common.AsposeKey, Common.AsposeSID);
PdfApi api = new PdfApi(cfg);
string path = Path.GetRandomFileName();
try {
FilesUploadResult filesUploadResult = api.UploadFile(path, pdfStream);
if (filesUploadResult.Errors != null && filesUploadResult.Errors.Count > 0)
{
return("", string.Join(Environment.NewLine, filesUploadResult.Errors.Select(error => error.ToString())));
}
TextRectsResponse textRectsResponse = api.GetText(path, 0, 0, 0, 0);
if (textRectsResponse.Code != StatusCodes.Status200OK)
{
return("", textRectsResponse.ToString());
}
return(string.Concat(textRectsResponse.TextOccurrences.List.Select(textRect => textRect.Text)), "");
}
finally {
api.DeleteFileWithHttpInfo(path);
}
}