} else {
if (Yalp.mode == Yalp.Mode.DEV) {
grizzlyResponse.setHeader("Cache-Control", "no-cache");
grizzlyResponse.setHeader("Content-Length", String.valueOf(file.length()));
if (!grizzlyRequest.getMethod().equals("HEAD")) {
copyStream(grizzlyResponse, file.inputstream());
} else {
copyStream(grizzlyResponse, new ByteArrayInputStream(new byte[0]));
}
} else {
long last = file.lastModified();