@Override
public void handleResourceRequest(FacesContext context) throws IOException {
Resource resource = createResource(context);
if (resource == null) {
super.handleResourceRequest(context);
return;
}
ExternalContext externalContext = context.getExternalContext();
if (!resource.userAgentNeedsUpdate(context)) {
externalContext.setResponseStatus(SC_NOT_MODIFIED);
return;
}
InputStream inputStream = resource.getInputStream();
if (inputStream == null) {
externalContext.setResponseStatus(SC_NOT_FOUND);
return;
}
externalContext.setResponseContentType(resource.getContentType());
for (Entry<String, String> header : resource.getResponseHeaders().entrySet()) {
externalContext.setResponseHeader(header.getKey(), header.getValue());
}
stream(inputStream, externalContext.getResponseOutputStream());
}
