2进制表示的字符串 转换为字节数组

/**
 * 2进制表示的字符串转换为字节数组

    "[127, -111, 33, 125, -126, 110, 35, -68, 22, 95, 91, 89, 111, -71, -94, 29]"
 */
public static byte[] strToByteArray(String s) {
    if (s.contains("[") && s.contains("]")) {
        try {
            String s1 = s.substring(1);
            String s2 = s1.substring(0, s1.length() - 1);
            System.out.println(s2);
            byte[] b = new byte[32];
            String[] split = s2.split(",");
            for (int i = 0; i < split.length; i++) {
                String trim = StringUtils.trim(split[i]);
                b[i] = (byte) Integer.parseInt(trim);
            }
            return b;
        } catch (NumberFormatException e) {
            e.printStackTrace();
        }
    }
    return null;

}

二进制字符串实例："[127, -111, 33, 125, -126, 110, 35, -68, 22, 95, 91, 89, 111, -71, -94, 29]"