CookieBuilder Class — netty Architecture

Source Code

codec-http/src/main/java/io/netty/handler/codec/http/cookie/ClientCookieDecoder.java lines 147–272

    private static class CookieBuilder {

        private final String header;
        private final DefaultCookie cookie;
        private String domain;
        private String path;
        private long maxAge = Long.MIN_VALUE;
        private int expiresStart;
        private int expiresEnd;
        private boolean secure;
        private boolean httpOnly;
        private SameSite sameSite;
        private boolean partitioned;

        CookieBuilder(DefaultCookie cookie, String header) {
            this.cookie = cookie;
            this.header = header;
        }

        private long mergeMaxAgeAndExpires() {
            // max age has precedence over expires
            if (maxAge != Long.MIN_VALUE) {
                return maxAge;
            } else if (isValueDefined(expiresStart, expiresEnd)) {
                Date expiresDate = DateFormatter.parseHttpDate(header, expiresStart, expiresEnd);
                if (expiresDate != null) {
                    long maxAgeMillis = expiresDate.getTime() - System.currentTimeMillis();
                    return maxAgeMillis / 1000 + (maxAgeMillis % 1000 != 0 ? 1 : 0);
                }
            }
            return Long.MIN_VALUE;
        }

        Cookie cookie() {
            cookie.setDomain(domain);
            cookie.setPath(path);
            cookie.setMaxAge(mergeMaxAgeAndExpires());
            cookie.setSecure(secure);
            cookie.setHttpOnly(httpOnly);
            cookie.setSameSite(sameSite);
            cookie.setPartitioned(partitioned);
            return cookie;
        }

        /**
         * Parse and store a key-value pair. First one is considered to be the
         * cookie name/value. Unknown attribute names are silently discarded.
         *
         * @param keyStart
         *            where the key starts in the header
         * @param keyEnd
         *            where the key ends in the header
         * @param valueStart
         *            where the value starts in the header
         * @param valueEnd
         *            where the value ends in the header
         */
        void appendAttribute(int keyStart, int keyEnd, int valueStart, int valueEnd) {
            int length = keyEnd - keyStart;

            if (length == 4) {
                parse4(keyStart, valueStart, valueEnd);
            } else if (length == 6) {
                parse6(keyStart, valueStart, valueEnd);
            } else if (length == 7) {
                parse7(keyStart, valueStart, valueEnd);
            } else if (length == 8) {
                parse8(keyStart, valueStart, valueEnd);
            } else if (length == 11) {
                parse11(keyStart);
            }
        }

        private void parse4(int nameStart, int valueStart, int valueEnd) {
            if (header.regionMatches(true, nameStart, CookieHeaderNames.PATH, 0, 4)) {
                path = computeValue(valueStart, valueEnd);
            }
        }

        private void parse6(int nameStart, int valueStart, int valueEnd) {
            if (header.regionMatches(true, nameStart, CookieHeaderNames.DOMAIN, 0, 5)) {