createAuthN(SsoContext ssoContext,
  javax.servlet.http.HttpServletRequest req,
  javax.servlet.http.HttpServletResponse resp,
  java.lang.String resumePath)

PingFederate invokes the createAuthN() method during the processing of an SSO request to establish a security context in the external application for the user. This method is similar to the IdpAuthenticationAdapter.lookupAuthN() method in terms of the objects passed to it and its support for asynchronous requests via the HttpServletResponse and resumePath parameters. This method also accepts an SsoContext object, which has access to information such as user attributes and the target destination URL.