code: public static Object getScopedRequestAttribute( String attrName, ServletRequest request )
      {
          if ( request instanceof ScopedRequest )
          {
              return ( ( ScopedRequest ) request ).getAttribute( attrName, false );
          }
          
          return request.getAttribute( attrName );
      }
docs: Get an attribute from the given request, and if it is a {@link ScopedRequest}, ensure that the attribute
  is <strong>not</strong> "showing through" from the outer request, even if the ScopedRequest allows that by
  default.
  
  @exclude