class StringHelper {

    public static boolean isCompletelyUppercase(String testString) {
        String string = StringHelper.trim(testString);
        if (string.length() == 0) {
            return false;
        }

        for (int i = 0, l = string.length(); i < l; ++i) {
            Character ch = string.charAt(i);
            if (Character.getType(ch) != Character.UPPERCASE_LETTER
                    && Character.getType(ch) != Character.INITIAL_QUOTE_PUNCTUATION
                    && Character.getType(ch) != Character.FINAL_QUOTE_PUNCTUATION && ch != ' ') {
                return false;
            }
        }
        return true;
    }

    private  StringHelper();

}