wro4j-core/src/main/java/ro/isdc/wro/http/handler/ResourceWatcherRequestHandler.java
private boolean isHandlerRequest(final HttpServletRequest request) {
    String apiHandlerValue = request.getParameter(PATH_API);
    return PATH_HANDLER.equals(apiHandlerValue) && retrieveCacheKey(request) != null;
  }
private boolean isHandlerRequest(final HttpServletRequest request) {
    String apiHandlerValue = request.getParameter(PATH_API);
    return PATH_HANDLER.equals(apiHandlerValue) && retrieveCacheKey(request) != null;
  }
Checks if the provided url is a resource proxy request.

@param url
to check.
@return true if the provided url is a proxy resource.