static void validateHeaderName()

in src/main/java/com/twitter/whiskey/net/SpdyCodecUtil.java [319:344]

• 24 lines of code
• 7 McCabe index (conditional complexity)

    static void validateHeaderName(CharSequence name) {
        if (name == null) {
            throw new NullPointerException("name");
        }
        if (name.length() == 0) {
            throw new IllegalArgumentException(
                    "name cannot be length zero");
        }
        // Since name may only contain ascii characters, for valid names
        // name.length() returns the number of bytes when UTF-8 encoded.
        if (name.length() > SPDY_MAX_NV_LENGTH) {
            throw new IllegalArgumentException(
                    "name exceeds allowable length: " + name);
        }
        for (int i = 0; i < name.length(); i ++) {
            char c = name.charAt(i);
            if (c == 0) {
                throw new IllegalArgumentException(
                        "name contains null character: " + name);
            }
            if (c > 127) {
                throw new IllegalArgumentException(
                        "name contains non-ascii character: " + name);
            }
        }
    }