private static boolean shouldSuppressSegment()

in spectator-ext-ipc/src/main/java/com/netflix/spectator/ipc/http/HostSanitizer.java [155:188]

• 30 lines of code
• 10 McCabe index (conditional complexity)

  private static boolean shouldSuppressSegment(String segment, Set<String> allowed) {
    if (ALLOWED.contains(segment) || allowed.contains(segment)) {
      return false;
    }

    final int maxSequentialConsonants = 4;
    int sequentialConsonants = 0;

    boolean version = false;
    boolean allAlpha = true;

    int n = segment.length();
    for (int i = 0; i < n; ++i) {
      char c = segment.charAt(i);
      if (CONSONANTS.contains(c)) {
        ++sequentialConsonants;
        if (sequentialConsonants >= maxSequentialConsonants)
          return true;
      } else {
        sequentialConsonants = 0;
      }
      if (i == 0 && c == 'v') {
        version = true;
      } else {
        version &= DIGITS.contains(c);
      }
      allAlpha &= ALPHA_CHARS.contains(c);
      if (!version && !allAlpha) {
        return true;
      }
    }

    return false;
  }