private void verifyApplicationName()

in modules/api/src/main/java/org/apache/fluo/api/config/FluoConfiguration.java [314:342]

• 29 lines of code
• 15 McCabe index (conditional complexity)

  private void verifyApplicationName(String name) {
    if (name == null) {
      throw new IllegalArgumentException("Application name cannot be null");
    }
    if (name.isEmpty()) {
      throw new IllegalArgumentException("Application name length must be > 0");
    }
    String reason = null;
    char[] chars = name.toCharArray();
    char c;
    for (int i = 0; i < chars.length; i++) {
      c = chars[i];
      if (c == 0) {
        reason = "null character not allowed @" + i;
        break;
      } else if (c == '/' || c == '.' || c == ':') {
        reason = "invalid character '" + c + "'";
        break;
      } else if (c > '\u0000' && c <= '\u001f' || c >= '\u007f' && c <= '\u009F'
          || c >= '\ud800' && c <= '\uf8ff' || c >= '\ufff0' && c <= '\uffff') {
        reason = "invalid character @" + i;
        break;
      }
    }
    if (reason != null) {
      throw new IllegalArgumentException(
          "Invalid application name \"" + name + "\" caused by " + reason);
    }
  }