public static Map<String,String> convertOAuthResponse(String responseOauthRequest){
  Map<String,String> responseElements=new HashMap<>();
  String[] elements=responseOauthRequest.split("&");
  for (  String element : elements) {
    String[] keyValue=element.split("=");
    responseElements.put(keyValue[0],keyValue[1]);
  }
  return responseElements;
}

public static Map < String , String > convertOAuthResponse ( String responseOauthRequest ) { Map < String , String > responseElements = new HashMap < > ( ) ; String [ ] elements = responseOauthRequest . split ( "&" ) ; for ( String element : elements ) { String [ ] keyValue = element . split ( "=" ) ; responseElements . put ( keyValue [ 0 ] , keyValue [ 1 ] ) ; } return responseElements ; }
flickr returns response like : oauth_callback_confirmed = true & oauth_token = 72157670587824772 - 23f323e2bbf56f24 & oauth_token_secret = b783aaac0d6b54c2 it ' s not json so we split it to get a map with key / value .
