private void addPatterns(final boolean addToIncludes, final String patternString) {
    final StringTokenizer tokenizer = new StringTokenizer(patternString, ", \t", false);
    while (tokenizer.hasMoreTokens()) {
      final String pattern = tokenizer.nextToken();
      if (pattern.length() > 0) {
        if (addToIncludes) {
          addIncludePattern(pattern);
        }
        else {
          addExcludePattern(pattern);
        }
      }
    }
  }
private void addPatterns(final boolean addToIncludes, final String patternString)