@Override
  public void init(FilterConfig filterConfig) {

  }
Tests to see if this JwtAuthenticationFilter shold be applied in the authentication
filter chain.

<code>true</code> will be returned if JWT authentication is enabled and the HTTP request contains
a JWT authentication token cookie; otherwise <code>false</code> will be returned.

@param httpServletRequest the HttpServletRequest the HTTP service request
@return <code>true</code> if the HTTP request contains the basic authentication header; otherwise <code>false</code>
ambari-server/src/main/java/org/apache/ambari/server/security/authentication/jwt/AmbariJwtAuthenticationFilter.java