private String _getHashcode(String[]... keys) {
try {
CacheKeyGenerator cacheKeyGenerator = new JavaMD5CacheKeyGenerator(128);
for (String[] key : keys) {
cacheKeyGenerator.append(key);
}
return String.valueOf(cacheKeyGenerator.finish());
} catch (NoSuchAlgorithmException nsae) {
throw new RuntimeException(nsae);
}
}
protected String getCacheFileName(HttpServletRequest request) {
CacheKeyGenerator cacheKeyGenerator =
CacheKeyGeneratorUtil.getCacheKeyGenerator(DynamicCSSFilter.class.getName());
cacheKeyGenerator.append(HttpUtil.getProtocol(request.isSecure()));
cacheKeyGenerator.append(StringPool.UNDERLINE);
cacheKeyGenerator.append(request.getRequestURI());
String queryString = request.getQueryString();
if (queryString != null) {
cacheKeyGenerator.append(sterilizeQueryString(queryString));
}
if (PortalUtil.isRightToLeft(request)) {
cacheKeyGenerator.append("_rtl");
}
return String.valueOf(cacheKeyGenerator.finish());
}