private String getAvatarUrl()

in src/main/java/org/apache/maven/report/projectinfo/avatars/GravatarProvider.java [76:97]

• 21 lines of code
• 5 McCabe index (conditional complexity)

    private String getAvatarUrl(String email, String defaultAvatar) {
        if (email == null || email.isEmpty()) {
            return getSpacerGravatarUrl();
        }

        try {
            email = email.trim().toLowerCase(Locale.ROOT);
            MessageDigest md = MessageDigest.getInstance("MD5");
            md.update(email.getBytes());
            byte[] byteData = md.digest();
            StringBuilder sb = new StringBuilder();
            final int lowerEightBitsOnly = 0xff;
            for (byte aByteData : byteData) {
                sb.append(Integer.toString((aByteData & lowerEightBitsOnly) + 0x100, 16)
                        .substring(1));
            }
            return baseUrl + sb + ".jpg?d=" + defaultAvatar + "&" + AVATAR_SIZE;
        } catch (NoSuchAlgorithmException e) {
            LOGGER.warn("Error while getting MD5 hash, use default image: {}", e.getMessage());
            return getSpacerGravatarUrl();
        }
    }