EDIT

	/**

	 * Returns surrounding brackets "(",")". Trim the string if necessary.

	 * @param text

	 * @return

	 */

	public static String removeBrackets(String text) {

		if (text == null){

			return null;

		}

		text = text.trim();

		if (text.matches("^\\(.*\\)$")){

			text = text.substring(1, text.length() -1);

		}

		return text;

	}