@Override
        public void write(StringBuilder builder) {
            vertxRequest.resume();
            vertxResponse.end(builder.toString());
        }
Returns true if the Origin request header is present.

@param request the ApiRequest
@return true if has origin header, else false
@link io.apiman.common.servlet.ApimanCorsFilter#hasOriginHeader
gateway/platforms/vertx3/vertx3/src/main/java/io/apiman/gateway/platforms/vertx3/http/HttpPolicyAdapter.java