@Override
public Map<String, String> getResponseHeaders() {
Map<String, String> responseHeaders = new HashMap<String, String>(3);
long lastModified = info.getLastModified();
responseHeaders.put("Last-Modified", Utils.formatRFC1123(new Date(lastModified)));
responseHeaders.put(
"Expires", Utils.formatRFC1123(new Date(System.currentTimeMillis() + info.getMaxAge())));
responseHeaders.put(
"Etag", String.format("W/\"%d-%d\"", info.getContentLength(), lastModified));
responseHeaders.put(
"Pragma", ""); // Explicitly set empty pragma to prevent some containers from setting it.
return responseHeaders;
}
