Method read

impl/src/main/java/io/jsonwebtoken/impl/JwtTokenizer.java:33–40

(Reader r, char[] buf)

            "exactly 2 period characters, and compact JWEs must contain exactly 4.  Found: ";

    private static int read(Reader r, char[] buf) {
        try {
            return r.read(buf);
        } catch (IOException e) {
            String msg = "Unable to read compact JWT: " + e.getMessage();
            throw new MalformedJwtException(msg, e);
        }
    }

    @SuppressWarnings("unchecked")
    public <T extends TokenizedJwt> T tokenize(Reader reader) {