SNMP接受中文问题

收到含有中文的消息格式

7b:22:61:67:65:22:3a:31:38:2c:22:70:61:73:73:77:6f:72:64:22:3a:22:31:32:33:35:34:38:22:2c:22:75:73:65:72:6e:61:6d:65:22:3a:22:e5:bc:a0:e4:b8:89:22:7d

/**
 * 实现CommandResponder的processPdu方法
 * 用于处理传入的请求、PDU等信息 当接收到trap时，会自动进入这个方法
 */
@Override
public void processPdu(CommandResponderEvent respEvnt) {
    // 解析Response
    if (respEvnt != null && respEvnt.getPDU() != null) {
      
        Vector<VariableBinding> recVBs = (Vector<VariableBinding>) respEvnt.getPDU().getVariableBindings();
        for (int i = 0; i < recVBs.size(); i++) {
            VariableBinding recVB = recVBs.elementAt(i);
            String message = getMessage(recVB);
            System.out.println(recVB.getOid() + " : " + message);
        }
    }
}

private String getMessage(VariableBinding recVB) {
    String message = recVB.getVariable().toString();

    // 传过来的含有冒号,且不是JSON字符串
    if (message.indexOf(":") != -1 && message.indexOf("{") != 0) {
        String[] temps = message.split(":");
        byte[] bytes = new byte[temps.length];
        for (int j = 0; j < temps.length; j++) {
            bytes[j] = (byte) Integer.parseInt(temps[j], 0x10);
        }

        try {
            message = new String(bytes, "utf8");
        } catch (UnsupportedEncodingException e) {
            System.out.println("未知的字符编码!");
        }
    }
    return message;
}