在mina中解析报文为十六进制字符串

private static class MsgServerHandler extends IoHandlerAdapter{

@Override
public void messageReceived(IoSession session, Object message) throws Exception {
super.messageReceived(session, message);

// 将Object类型的message转换为十六进制的字符串报文
String hexText = parseMessage(message);
System.out.println("报文：" + hexText);
}
}

/**
* 将Object类型的message转换为十六进制的字符串报文
* @param message
* @return
*/
private String parseMessage(Object message) {
IoBuffer buf = (IoBuffer) message;
IoBuffer.allocate(1024);
//长度超过会自动翻倍增长
buf.setAutoExpand(true);
ByteBuffer bf = buf.buf();
byte[] tmpBuffer = new byte[bf.limit()];
bf.get(tmpBuffer);
String result = "";
for(int   i=0;   i <tmpBuffer.length;   i++)   {
//转换16进制
String getM = Integer.toHexString(tmpBuffer[i] & 0xFF)+"";
if(getM.length()<2){
getM="0"+getM;
}
result+=getM+" ";
}
return result;
}

报文：68 31 00 31 00 68 C9 90-05 28 00 00 02 77 00 00 04 00 03 16