ok2c commented on code in PR #460: URL: https://github.com/apache/httpcomponents-client/pull/460#discussion_r1237677682
########## httpclient5-cache/src/main/java/org/apache/hc/client5/http/impl/cache/CacheKeyGenerator.java: ########## @@ -94,18 +96,67 @@ public String generateKey(final HttpHost host, final HttpRequest request) { } } - private String getFullHeaderValue(final Header[] headers) { - if (headers == null) { - return ""; + /** + * Returns all variant names contained in {@literal VARY} headers of the given message. + * + * @since 5.3 + */ + public static List<String> variantNames(final MessageHeaders message) { + if (message == null) { + return null; + } + if (!message.containsHeader(HttpHeaders.VARY)) { Review Comment: @arturobernalg It is a very valid point. It is a trade-off to save one intermediate object allocation if no `Vary` headers are present, but may be it is not worth it. I will get rid of it. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: dev-unsubscr...@hc.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: dev-unsubscr...@hc.apache.org For additional commands, e-mail: dev-h...@hc.apache.org