@Produces("application/x-www-form-urlencoded")
public Response postReqTokenRequest() {
try {
OAuthServerRequest request = new OAuthServerRequest(hc.getRequest());
OAuthParameters params = new OAuthParameters();
params.readRequest(request);
String tok = params.getToken();
if ((tok != null) && (!tok.contentEquals(""))) {
throw new OAuthException(Response.Status.BAD_REQUEST, null);
}