public async Task Respond(HttpContext context)
{
// Get path
Match match = new Regex(_request_regex_pattern).Match(context.Request.Path);
int length = match.Groups.Count;
if (length < 2)
length = 2;
string[] matches = new string[length];
matches[1] = "";
for (int i = 0; i < match.Groups.Count; i++)
{
matches[i] = match.Groups[i].Value;
}
string file_path = String.Format(_file_directory, matches);
// Check existance
if (!File.Exists(file_path))
{
IHttpHandler error_handler = new ErrorHandler(404);
await error_handler.Respond(context);
return;
}
// Change content type if needed
string ext = Path.GetExtension(file_path);
if (_content_types.ContainsKey(ext))
{
context.Response.ContentType = _content_types[ext];
}
await context.Response.SendFile(file_path);
}
public static HandlerCreater Create(int code)
{
return (Application app) =>
{
ErrorHandler handler = new ErrorHandler(code);
handler._app = app;
return handler;
};
}