doDecode() — netty Function Reference

Architecture documentation for the doDecode() function in CookieDecoder.java from the netty codebase.

Function java ProtocolCodecs HTTP calls 1 called by 1

Entity Profile

ProtocolCodecs→ HTTP→ doDecode() — netty Function Reference

Dependency Diagram

graph TD
  e1c540fe_01b6_4343_87c4_733c1786c03f["doDecode()"]
  841c58a8_6f5c_8c20_e8ec_e79013189bd7["CookieDecoder"]
  e1c540fe_01b6_4343_87c4_733c1786c03f -->|defined in| 841c58a8_6f5c_8c20_e8ec_e79013189bd7
  a4e9d1b0_cb31_cf5d_7a26_47deaaacbba9["decode()"]
  a4e9d1b0_cb31_cf5d_7a26_47deaaacbba9 -->|calls| e1c540fe_01b6_4343_87c4_733c1786c03f
  7ed26cac_407c_b1e7_ec80_dd3437b5d703["extractKeyValuePairs()"]
  e1c540fe_01b6_4343_87c4_733c1786c03f -->|calls| 7ed26cac_407c_b1e7_ec80_dd3437b5d703
  style e1c540fe_01b6_4343_87c4_733c1786c03f fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

codec-http/src/main/java/io/netty/handler/codec/http/CookieDecoder.java lines 84–199

    private Set<Cookie> doDecode(String header) {
        List<String> names = new ArrayList<String>(8);
        List<String> values = new ArrayList<String>(8);
        extractKeyValuePairs(header, names, values);

        if (names.isEmpty()) {
            return Collections.emptySet();
        }

        int i;
        int version = 0;

        // $Version is the only attribute that can appear before the actual
        // cookie name-value pair.
        if (names.get(0).equalsIgnoreCase(VERSION)) {
            try {
                version = Integer.parseInt(values.get(0));
            } catch (NumberFormatException e) {
                // Ignore.
            }
            i = 1;
        } else {
            i = 0;
        }

        if (names.size() <= i) {
            // There's a version attribute, but nothing more.
            return Collections.emptySet();
        }

        Set<Cookie> cookies = new TreeSet<Cookie>();
        for (; i < names.size(); i ++) {
            String name = names.get(i);
            String value = values.get(i);
            if (value == null) {
                value = "";
            }

            Cookie c = initCookie(name, value);

            if (c == null) {
                break;
            }

            boolean discard = false;
            boolean secure = false;
            boolean httpOnly = false;
            String comment = null;
            String commentURL = null;
            String domain = null;
            String path = null;
            long maxAge = Long.MIN_VALUE;
            List<Integer> ports = new ArrayList<Integer>(2);

            for (int j = i + 1; j < names.size(); j++, i++) {
                name = names.get(j);
                value = values.get(j);

                if (DISCARD.equalsIgnoreCase(name)) {
                    discard = true;
                } else if (CookieHeaderNames.SECURE.equalsIgnoreCase(name)) {
                    secure = true;
                } else if (CookieHeaderNames.HTTPONLY.equalsIgnoreCase(name)) {
                   httpOnly = true;
                } else if (COMMENT.equalsIgnoreCase(name)) {
                    comment = value;
                } else if (COMMENTURL.equalsIgnoreCase(name)) {
                    commentURL = value;
                } else if (CookieHeaderNames.DOMAIN.equalsIgnoreCase(name)) {
                    domain = value;
                } else if (CookieHeaderNames.PATH.equalsIgnoreCase(name)) {
                    path = value;
                } else if (CookieHeaderNames.EXPIRES.equalsIgnoreCase(name)) {
                    Date date = DateFormatter.parseHttpDate(value);
                    if (date != null) {
                        long maxAgeMillis = date.getTime() - System.currentTimeMillis();
                        maxAge = maxAgeMillis / 1000 + (maxAgeMillis % 1000 != 0? 1 : 0);
                    }
                } else if (CookieHeaderNames.MAX_AGE.equalsIgnoreCase(name)) {
                    maxAge = Integer.parseInt(value);
                } else if (VERSION.equalsIgnoreCase(name)) {